Graco 3A0411F 3300 Air Operated Diaphragm Pump Users Manual 3A0411F, Pump, Repair/Parts, English

2015-04-02

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Repair/Parts

Husky® 3300 Air-Operated
Diaphragm Pump

3A0411F
EN

Heavy-duty 3-inch pump with large flow paths for fluid transfer applications, including
high-viscosity materials. For professional use only.
See page 4 for model information, including approvals.
125 psi (0.86 MPa, 8.6 bar) Maximum Working Pressure, Aluminum or Stainless Steel Pumps
with Aluminum Center Section
100 psi (0.7 MPa, 6.9 bar) Maximum Working Pressure, Polypropylene or Stainless Steel Pumps
with Polypropylene Center Section

Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.

Stainless Steel

Polypropylene
Aluminum

ti17454a

ti16561a
ti16556a

Related Manuals

Contents
Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
To Find Your Nearest Distributor . . . . . . . . . . . . . . 3
To Specify the Configuration of a New Pump . . . . 3
To Order Replacement Parts . . . . . . . . . . . . . . . . . 3
Distributor Note . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Configuration Number Matrix . . . . . . . . . . . . . . . . . 4
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Pressure Relief Procedure . . . . . . . . . . . . . . . . 10
Repair or Replace Air Valve . . . . . . . . . . . . . . . 10
Check Valve Repair . . . . . . . . . . . . . . . . . . . . . . 12
Diaphragms and Center Section . . . . . . . . . . . . 14
Torque Instructions . . . . . . . . . . . . . . . . . . . . . . 20

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3300A, Aluminum . . . . . . . . . . . . . . . . . . . . . . . 22
3300P, Polypropylene . . . . . . . . . . . . . . . . . . . . 23
3300S, Stainless Steel . . . . . . . . . . . . . . . . . . . 24
Parts/Kits Quick Reference . . . . . . . . . . . . . . . . 25
Center Section . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Air Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Fluid Covers and Manifolds . . . . . . . . . . . . . . . . 32
Seats and Check Balls . . . . . . . . . . . . . . . . . . . 34
Diaphragms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Manifold and Seat Seals . . . . . . . . . . . . . . . . . . 37
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Graco Standard Husky Pump Warranty . . . . . . . . 42
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 42

Related Manuals

Manual

Description

3A0410

Husky 3300 Air-Operated Diaphragm Pump, Operation

3A0411F

To Find Your Nearest Distributor

To Find Your Nearest Distributor
1. Visit www.graco.com.
2. Click on Where to Buy and use the Distributor Locator.

To Specify the Configuration of a New Pump
Please call your distributor.
OR

1. Use the Online Husky Selector Tool at wwwd.graco.com/training/husky/index.html.
2. If the link does not work, you will find the selector tool on the Process Equipment page at www.graco.com.

To Order Replacement Parts
Please call your distributor.

Distributor Note
1. To find part numbers for new pumps or kits, use the Online Husky Selector Tool.
2. To find part numbers for replacement parts:
a. Use the 20-digit number from the ID plate on the pump. If you only have the Graco 6-digit part number, use
the selector tool to find the corresponding 20-digit number.

b. Use the Configuration Number Matrix on the next page to understand which parts are described by each
digit.

c. Refer to the main Parts illustration and to the Parts/Kits Quick Reference. Follow the page references on
these two pages for further ordering information, as needed.

3. Please call Graco Customer Service to order.

3A0411F

Configuration Number Matrix

Configuration Number Matrix
Check the identification plate (ID) for the 20-digit Configuration Number
of your pump. Use the following matrix to define the components of your
pump.
Sample Configuration Number: 3300A-A01AA1TPACTPBN

3$5712

&21),*85$7,2112

6(5,$/12

'$7(&2'( 6(5,(6 0$;:3536,EDU

3300A A01A A1
Pump
Model

TP AC TP

Center
Fluid
Seats Balls
Section and Covers and
Air Valve
Manifolds

Diaphragms Manifold
and Seat
Seals

Pump Configuration
Number
ti17770a

Pump
3300A★
Aluminum
3300P†
Polypropylene
3300S★

Center Section and Air
For Use With
Valve Material
Aluminum
A01A Standard Diaphragms
A01E Optional FKM seals with
Standard Diaphragms
A01G Overmolded Diaphragms
Polypropylene† P01A Standard Diaphragms
P01G Overmolded Diaphragms

Fluid Covers and Manifolds
A1 Aluminum, center flange, npt
A2 Aluminum, center flange, bspt
P1 Polypropylene, center flange
S1 Stainless steel, npt
S2 Stainless steel, bspt

Stainless Steel
★ 3300A (aluminum) and 3300S (stainless steel) pumps with aluminum center sections are certified:
II 2 GD c IIC T4
† Pumps with polypropylene fluid or center sections are not ATEX certified.

Check Valve Seats

Check Valve Balls

Diaphragm

Manifold and Seat Seals*

AC Acetal

BN Buna-N

AL Aluminum

BN Buna-N

CO Polychloroprene
Overmolded

PT PTFE

BN Buna-N

CR Polychloroprene
Standard

CR Polychloroprene

FK FKM Fluoroelastomer CW Polychloroprene
Weighted

FK FKM Fluoroelastomer

GE Geolast®

FK FKM Fluoroelastomer

GE Geolast

PP Polypropylene

GE Geolast

PO PTFE/EPDM
Overmolded

SP Santoprene®

PT PTFE

PT PTFE/Santoprene
Two-Piece

SS 316 Stainless Steel

SP Santoprene

TP TPE

* Models with Buna-N, FKM Fluoroelastomer or TPE seats do not use o-rings.

3A0411F

Warnings

Warnings
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. When
these symbols appear in the body of this manual, refer back to these Warnings. Additional, product-specific warnings
may be found throughout the body of this manual where applicable.

WARNING
FIRE AND EXPLOSION HAZARD
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help
prevent fire and explosion:
•
•
•
•
•
•
•
•
•
•

Use equipment only in well ventilated area.
Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop
cloths (potential static arc).
Keep work area free of debris, including solvent, rags and gasoline.
Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes
are present.
Ground all equipment in the work area. See Grounding instructions.
Use only grounded hoses.
Hold gun firmly to side of grounded pail when triggering into pail. Do not use pail liners unless they
are antistatic or conductive.
Stop operation immediately if static sparking occurs or you feel a shock. Do not use equipment
until you identify and correct the problem.
Keep a working fire extinguisher in the work area.
Route exhaust away from all ignition sources. If diaphragm ruptures, fluid may be exhausted with air.

Static charge may build up on plastic parts during cleaning and could discharge and ignite flammable
vapors. To help prevent fire and explosion:
•
•
•

Clean plastic parts only in a well ventilated area.
Do not clean with a dry cloth.
Do not operate electrostatic guns in equipment work area.

PRESSURIZED EQUIPMENT HAZARD
Fluid from the equipment, leaks, or ruptured components can splash in the eyes or on skin and cause
serious injury.
•
•
•

3A0411F

Follow the Pressure Relief Procedure when you stop spraying/dispensing and before cleaning,
checking, or servicing equipment.
Tighten all fluid connections before operating the equipment.
Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.

Warnings

WARNING
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
•
•
•

•
•
•
•
•
•
•
•
•
•

Do not operate the unit when fatigued or under the influence of drugs or alcohol.
Do not exceed the maximum working pressure or temperature rating of the lowest rated system
component. See Technical Data in all equipment manuals.
Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all
equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information
about your material, request MSDS from distributor or retailer.
Do not leave the work area while equipment is energized or under pressure.
Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use.
Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manufacturer’s replacement parts only.
Do not alter or modify equipment. Alterations or modifications may void agency approvals and create
safety hazards.
Make sure all equipment is rated and approved for the environment in which you are using it.
Use equipment only for its intended purpose. Call your distributor for information.
Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.
Do not kink or over bend hoses or use hoses to pull equipment.
Keep children and animals away from work area.
Comply with all applicable safety regulations.

THERMAL EXPANSION HAZARD
Fluids subjected to heat in confined spaces, including hoses, can create a rapid rise in pressure due to
the thermal expansion. Over-pressurization can result in equipment rupture and serious injury.
• Open a valve to relieve the fluid expansion during heating.
• Replace hoses proactively at regular intervals based on your operating conditions.
PRESSURIZED ALUMINUM PARTS HAZARD
Use of fluids that are incompatible with aluminum in pressurized equipment can cause serious
chemical reaction and equipment rupture. Failure to follow this warning can result in death, serious
injury, or property damage.
•
•

Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or
fluids containing such solvents.
Many other fluids may contain chemicals that can react with aluminum. Contact your material supplier for compatibility.

PLASTIC PARTS CLEANING SOLVENT HAZARD
Many solvents can degrade plastic parts and cause them to fail, which could cause serious injury or
property damage.
•
•

Use only compatible water-based solvents to clean plastic structural or pressure-containing parts.
See Technical Data in this and all other equipment instruction manuals. Read fluid and solvent
manufacturer’s MSDSs and recommendations.

3A0411F

Warnings

WARNING
TOXIC FLUID OR FUMES HAZARD
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or
swallowed.
•
•
•

Read MSDSs to know the specific hazards of the fluids you are using.
Route exhaust away from work area. If diaphragm ruptures, fluid may be exhausted into the air.
Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.

BURN HAZARD
Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe
burns:
•

Do not touch hot fluid or equipment.

PERSONAL PROTECTIVE EQUIPMENT
Wear appropriate protective equipment when in the work area to help prevent serious injury, including
eye injury, hearing loss, inhalation of toxic fumes, and burns. This equipment includes but is not limited
to:
•
•

3A0411F

Protective eyewear, and hearing protection.
Respirators, protective clothing, and gloves as recommended by the fluid and solvent manufacturer.

Troubleshooting

Problem

Pump cycles but will not prime.

Cause

Solution

Pump is running too fast, causing
cavitation before prime.

Reduce air inlet pressure.

Check valve ball severely worn or
wedged in seat or manifold.

Replace ball and seat. See page 12.

Seat severely worn.

Replace ball and seat. See page 12.

Outlet or inlet clogged.

Unclog.

Inlet or outlet valve closed.

Open.

Inlet fittings or manifolds loose.

Tighten.

Manifold o-rings damaged.

Replace o-rings. See page 12.

Pump cycles at stall or fails to hold
pressure at stall.

Worn check valve balls, seats, or
o-rings.

Replace. See page 12.

Pump will not cycle, or cycles once
and stops.

Air valve is stuck or dirty.

Disassemble and clean air valve.
See page 10. Use filtered air.

Check valve ball severely worn and
wedged in seat or manifold.

Replace ball and seat. See page 12.

Pilot valve worn, damaged, or
plugged.

Replace pilot valve. See page 14.

Air valve gasket damaged.

Replace gasket. See page 10.

Dispensing valve clogged.

Relieve pressure and clear valve.

Pump operates erratically.

Air bubbles in fluid.

Clogged suction line.

Inspect; clear.

Sticky or leaking check valve balls.

Clean or replace. See page 12.

Diaphragm (or backup) ruptured.

Replace. See page 14.

Restricted exhaust.

Remove restriction.

Pilot valves damaged or worn.

Replace pilot valves. See page 14.

Air valve damaged.

Replace air valve. See page 10.

Air valve gasket damaged.

Replace air valve gasket. See
page 10.

Air supply erratic.

Repair air supply.

Exhaust muffler icing.

Use drier air supply..

Suction line is loose.

Tighten.

Diaphragm (or backup) ruptured.

Replace. See page 14.

Loose manifolds, damaged seats or
o-rings.

Tighten manifold bolts or replace
seats or o-rings. See page 12.

Diaphragm shaft bolt o-ring damaged.

Replace o-ring.

Pump cavitation.

Reduce pump speed or suction lift.

Loose diaphragm shaft bolt.

Tighten.

3A0411F

Troubleshooting

Problem

Exhaust air contains fluid being
pumped.

Moisture in exhaust air.

Cause

Diaphragm (or backup) ruptured.

Replace. See page 14.

Loose diaphragm shaft bolt.

Tighten or replace. See page 14.

Diaphragm shaft bolt o-ring damaged.

Replace o-ring. See page 14.

High inlet air humidity.

Use drier air supply.

Pump exhausts excessive air at stall. Worn air valve cup or plate.

Pump leaks air externally.

Pump leaks fluid externally from
joints.

3A0411F

Solution

Replace cup and plate. See page 10.

Damaged air valve gasket.

Replace gasket. See page 10.

Damaged pilot valve.

Replace pilot valves. See page 14.

Worn shaft seals or bearings.

Replace shaft seals or bearings. See
page 14.

Air valve or fluid cover screws loose.

Tighten.

Diaphragm damaged.

Replace diaphragm. See page 14.

Air valve gasket damaged.

Replace gasket. See page 10.

Air cover gasket damaged.

Replace gasket. See page 14.

Loose manifold screws or fluid cover
screws.

Tighten manifold screws or fluid
cover screws. See page 20.

Manifold o-rings worn out.

Replace o-rings. See page 12.

Repair

Repair
Pressure Relief Procedure
Follow the Pressure Relief Procedure whenever you see this symbol.

This equipment stays pressurized until pressure is
relieved manually. To help prevent serious injury from
pressurized fluid, such as splashing in the eyes or on
skin, follow the Pressure Relief Procedure whenever
you stop pumping and before you clean, check, or service the equipment.
1. Shut off the air supply to the pump.
2. Open the dispensing valve, if used.
3. Open the fluid drain valve to relieve fluid pressure.
Have a container ready to catch the drainage.

Repair or Replace Air Valve

Replace Complete Air Valve

Replace Seals or Rebuild Air Valve
NOTE: Repair kits are available. See page 31 to order
the correct kit(s) for your pump. Air Valve Seal Kit parts
are marked with a †. Air Valve Repair Kit parts are
marked with a ◆. Air Valve End Cap Kit parts are
marked with a ✠.
Disassemble the Air Valve
1. Perform steps 1-3 under Replace Complete Air
Valve, page 10.
2. See FIG. 2. Use a Torx screwdriver (T8 for aluminum
centers, T10 for plastic centers) to remove two
screws (209). Remove the valve plate (205),
cup assembly (212-214), spring (211), and detent
assembly (203).
3. Pull the cup (213) off of the base (212). Remove the
o-ring (214) from the cup.
4. See FIG. 2. Remove the retaining ring (210) from
each end of the air valve. Use the piston (202) to
push the end cap (207) out of one end. Remove the
u-cup seal (208). Pull the piston out the end and
remove the other u-cup seal (208). Remove the
other end cap (207) and the end cap o-rings (206).
5. Remove the detent cam (204) from the air valve
housing (201).

1. Stop the pump. Relieve the pressure. See Pressure
Relief Procedure in previous section.
2. Disconnect the air line to the motor.
3. Remove screws (104, metal pumps) or nuts (116,
plastic pumps). Remove the air valve and gasket
(113).
4. To repair the air valve, go to Disassemble the Air
Valve, step 1, in next section. To install a replacement air valve, continue with step 5.
5. Align the new air valve gasket (113*) on the center
housing, then attach the air valve. See Torque
Instructions, page 20.
6. Reconnect the air line to the motor.

3A0411F

Repair

Reassemble the Air Valve
NOTE: Apply lithium-based grease whenever instructed
to grease. Order Graco PN 111920.
1. Use all parts in the repair kits. Clean other parts and
inspect for damage. Replace as needed.
2. Grease the detent cam (204◆) and install into housing (201).
3. Grease the u-cups (208◆†) and install on the piston
with lips facing toward the center of the piston.

4. Grease both ends of the piston (202◆) and the
housing bore. Install the piston in the housing (201),
with the flat side toward the cup (213◆). Be careful
not to tear u-cups (208◆†) when sliding piston into
housing.
5. Grease new o-rings (206◆†✠) and install on the end
caps (207✠). Install the end caps into the housing.
6. Install a retaining ring (210✠) on each end to hold
end caps in place.

208◆†
Lips face down
202◆
208◆†
Lips face up
ti12754a

FIG. 1. Air valve u-cup installation

209◆†
1 Apply lithium-based grease.

205◆ 3

2 U-cup lips must face piston.
3 Apply lithium-based grease to contact surface.

212◆ 3
214◆ 1

◆ 211

213◆

1 203 ◆
1 204◆
2

210✠

1 208◆†

206◆†✠ 1
207✠
1 206◆†✠

201

210✠

1
202◆ 1
207✠

ti17765a

FIG. 2. Air valve assembly

3A0411F

Repair

7. Grease and install the detent assembly (203◆) into
the piston. Install the o-ring (214◆) on the cup
(213◆). Apply a light film of grease to the outside
surface of the o-ring and the inside mating surface
of the base (212◆).
Orient the end of the base that has a magnet toward
the end of the cup that has the larger cutout.
Engage the opposite end of the parts. Leave the
end with the magnet free. Tilt the base toward the
cup and fully engage the parts, using care so that
the o-ring remains in place. Install the spring (211◆)
onto the protrusion on the cup. Align the magnet in
the base with the air inlet and install the cup assembly.

Check Valve Repair

NOTE: Kits are available for new check valve balls and
seats in a range of materials. See page 34 to order kits
in the material(s) desired. O-ring and fastener kits also
are available.
NOTE: To ensure proper seating of the check balls,
always replace the seats when replacing the balls. Also,
on models with seat o-rings, replace the o-rings every
time the manifold is removed.

Disassembly

211

1. Follow the Pressure Relief Procedure on page 10.
Disconnect all hoses.

214

213
212

NOTE: The pump is heavy. Always use two people or a
lift to move it.
2. Remove the pump from its mounting.

ti19286a

FIG. 3. Cup assembly
8. Grease the cup side and install the valve plate
(205◆). Align the small hole in the plate with the air
inlet. Tighten the screws (209◆†) to hold it in place.

NOTE: For plastic pumps (3300P), use hand tools
until thread-locking adhesive patch releases.
3. Use a 3/4 in. (19 mm) socket wrench to remove the
outlet elbow fasteners (8), then remove the manifold
assembly. See FIG. 4.
4. Remove the o-rings (13, not used on some models),
seats (11), and balls (12).
5. Turn the pump over and remove the inlet manifold.
The mounting brackets will remain attached.
6. Remove the o-rings (13, not used on some models),
seats (11), and balls (12).

Reassembly
1. Clean all parts and inspect for wear or damage.
Replace parts as needed.
2. Reassemble in the reverse order, following all notes
in FIG. 4. Put the inlet manifold on first. Be sure the
ball checks (11-13) and manifolds are assembled
exactly as shown. The arrows (A) on the fluid covers must point toward the outlet manifold.

3A0411F

Repair

1 Torque to 40-45 ft-lb (54-61 N•m) for Polypropylene models.
Torque to 55-60 ft-lb (75-81 N•m) for Aluminum models.
Torque to 40-45 ft-lb (54-61 N•m) for Stainless Steel models.
See Torque Instructions, page 20.

2 Arrow (A) must point toward outlet manifold.
3 Not used on some models.

Polypropylene
pump shown

1 8
9

12
3 13
11
3 13

2 A

9
10
1 8

9
12
3 13
11
3 13

ti17808a

FIG. 4. Ball check valve assembly

3A0411F

Repair

Diaphragms and Center Section

Plastic Pumps: Hold the hex of one fluid side
diaphragm plate (15) with a 1-5/8 socket or box
end wrench. Use another wrench (same size)
on the hex of the other plate to remove. Then
remove all parts of the diaphragm assembly.
See FIG. 7.
Metal Pumps: Turn the pump on its side. Hold
one diaphragm shaft bolt (16) with a wrench,
then use a 15/16 socket to remove the other
bolt. Remove all parts of the diaphragm assembly. See FIG. 7, page 17.

Disassemble the other diaphragm assembly.

Disassembly
NOTE: Diaphragm kits are available in a range of materials and styles. See page 35 to order the correct diaphragms for your pump. A Center Rebuild Kit also is
available. See page 29. Parts included in the Center
Rebuild Kit are marked with an *. For best results, use
all kit parts.
1. Follow the Pressure Relief Procedure on page 10.
2. Remove the manifolds and disassemble the ball
check valves as explained on page 12.
NOTE: You may wish to remove the inner fluid cover
bolts (37) as you remove each manifold, for convenience.
3. Overmolded Diaphragms (PO and CO models)

5. Use an o-ring pick to remove the u-cup packings
(101) from the center housing. Bearings (109) can
remain in place.
6. If necessary, remove the pilot valves (110).
Air Covers
Remove air covers only if a serious air leak suggests
that the gaskets need to be replaced.
1. Remove pilot valves (110).

a. Orient the pump so one of the fluid covers faces
up. Use a 3/4 in. (19 mm) socket wrench to
remove the fluid cover bolts (36, 37), then pull
the fluid cover (2) up off the pump.

2. Use a 3/8 allen wrench (aluminum) or a 5/8 socket
(polypropylene) to remove two bolts (103), then
remove one air cover (105). Repeat for the other air
cover.

3. Remove and replace the gasket (107).

The exposed diaphragm (20) will screw off by
hand. The shaft will either release and come off
with this diaphragm, or remain attached to the
other diaphragm. If the diaphragm shaft bolt
(16) remains attached to the shaft (108),
remove it. Remove the air side diaphragm plate
(14) and washer (18).

4. Inspect the diaphragm shaft (108) for wear or
scratches. If it is damaged, inspect the bearings
(109) in place. If they are damaged, use a bearing
puller to remove them.
NOTE: Do not remove undamaged bearings.

Turn the pump over and remove the other fluid
cover. Remove the diaphragm (and the shaft, if
necessary).

d. If the shaft is still attached to either diaphragm,
grasp the diaphragm firmly and use a wrench
on the flats of the shaft to remove. Also remove
the air side diaphragm plate (14) and washer
(18). Continue with Step 5.
4. All Other Diaphragms
a. Orient the pump so one of the fluid covers faces
up. Use a 3/4 in. (19 mm) socket wrench to
remove the fluid cover screws (36, 37), then pull
the fluid cover (2) up off the pump. Turn the
pump over and remove the other fluid cover.

3A0411F

Repair

Reassembly of Housing Parts and Air
Covers
Follow all notes in FIG. 7. These notes contain
important information.
NOTE: Apply lithium-based grease whenever instructed
to grease. Order Graco PN 111920.

4. Assemble air covers, if removed:
a. Put one air cover on the bench. Install the alignment pins (112*) and a new gasket (107*).
b.

Carefully place the center section on the air
cover.

Install second set of alignment pins (112*) and
gasket (107*) in the center section. Lower the
second air cover onto the center housing.

1. Clean all parts and inspect for wear or damage.
Replace parts as needed.
NOTICE
Unwanted pressurized air due to worn seals can
lead to reduced diaphragm life.
2. Grease and install the diaphragm shaft u-cup packings (101*) so the lips face out of the housing.
3. If removed, insert the new bearings (109*) into the
center housing. Use a press or a block and rubber
mallet to press-fit the bearing so it is flush with the
surface of the center housing.

d. Aluminum Centers: Apply medium-strength
(blue) thread locker on the bolts (103). Install
two bolts and torque to 30-40 ft-lb (41-54 N•m).
Turn the pump over on the bench and install
and torque the other two bolts.
Polypropylene Centers: Apply
medium-strength (blue) thread locker on the
bolts (103) and install a washer (119) on each
bolt. Turn the assembly on its side. The alignment pins will help hold it together. Slide one
bolt (103) through from one air cover to the
other. Install a washer (119) and nut (118),
hand tight. Repeat for the other three bolts, then
torque to 25-35 ft-lb (34-47 N•m).
5. Grease and install the pilot valves (110*). Torque to
20-25 in.-lb (2.3-2.8 N•m). Do not over-torque.

2 Apply lithium-based grease.

7 Aluminum: Torque to 30-40 ft-lb. (41-54 N•m).
Poly: Torque to 25-35 ft-lb. (34-47 N•m).

6 Lips must face out of housing.

8 Torque to 20-25 in.-lb (2.3-2.8 N•m).

Polypropylene
Model Shown

116*
111
113*

118
119

117
105

106
110* 2

112*

2 108*
101* 6

109*
107*
103 7
FIG. 5. Assemble Center Section.
3A0411F

119

ti17769a

Repair

Reassembly of Standard Diaphragms
NOTE: If your pump has overmolded diaphragms, see
page 19.
PTFE Diaphragms
1. Clean all parts and inspect for wear or damage.
Replace parts as needed.
2. Clamp the shaft flats in a vise.
3. For metal pumps, install the washer (18) and o-ring
(17) on the shaft bolt (16).
4. Assemble the fluid side plate (15), the diaphragm
(20), the backup diaphragm (305), the air side diaphragm plate (14), and the washer (18) on the bolt
exactly as shown in FIG. 7.
5. Apply medium-strength (blue) Loctite or equivalent
to the bolt (16) threads. Assemble into shaft. Torque
the bolt to 110 -120 ft-lb (149-163 N•m) at 100 rpm
maximum.

ti18621a

FIG. 6. Place bolts to keep PTFE diaphragms aligned.
12. Torque the shaft bolt on the second side to 110 -120
ft-lb (149-163 N•m) at 100 rpm maximum.
13. Remove the bolts used for alignment.

6. Grease the shaft u-cups (101*) and the length and
ends of the diaphragm shaft (108*). Slide the shaft
into the housing.
7. Repeat Steps 3 and 4 for the other diaphragm
assembly.
8. Apply medium-strength (blue) Loctite or equivalent
to the bolt (16) threads. Screw the bolt into the shaft
hand tight.

14. Reattach one fluid cover (2). Arrow (A) must point
toward the air valve. See Torque Instructions,
page 20.
15. Follow directions under Attach Second Fluid
Cover, page 19.
16. Reassemble the ball check valves and manifolds as
explained on page 12.

9. To keep the diaphragms properly aligned, place 4
bolts on the side that has been torqued. Screw into
the air cover just enough to engage two threads.
NOTE: The fluid cover bolts may work well, or use shop
bolts. Do not use bolts that are long enough to deform
the diaphragm manually.
10. Clamp the torqued side in a vise.
11. Again align the diaphragm and air cover holes on
the second side and place 4 more bolts.

3A0411F

Repair

108 2

14 1

20 4

14 1

16 5

20 4

15 1
17
18

TP, SP, BN,
FK, CR, and
GE models

16 3

104*
2 108

(Metal pumps)

3 15

(Plastic pumps)

PO and CO
models

ti17811a

ti14037b
ti17813a

305 4

20 4
15 1
17

2 108*

1 14

16 3

PT models
(Metal pumps)
(Plastic pumps)
ti17812a

1 Rounded side faces diaphragm.

3 15

2 Apply lithium-based grease.
3 Torque to 110-120 ft-lb. (149-163 N•m) at 100 rpm maximum.
4 AIR SIDE markings on diaphragm must face center housing.
5 If screw comes loose or is replaced, apply permanent (red) Loctite® or equivalent to diaphragm side threads.
Apply primer and medium-strength (blue) Loctite® or equivalent to shaft side threads.

FIG. 7. Assemble diaphragms

3A0411F

Repair

All Other Standard Diaphragms - Metal Pumps:
1. Install the washer (18) and o-ring (17) on the shaft
bolt (16).
2. Assemble the fluid side plate (15), the diaphragm
(20), the air side diaphragm plate (14), and the
washer (18) on the bolt exactly as shown in FIG. 7.
3. Apply medium-strength (blue) Loctite or equivalent
to the bolt (16) threads. Screw the bolt into the shaft
hand tight.
4. Grease the shaft u-cups (101*) and the length and
ends of the diaphragm shaft (108*). Slide the shaft
into the housing.
5. Repeat Steps 1-5 for the other diaphragm assembly.
6. Hold one shaft bolt with a wrench and torque the
other bolt to 110-120 ft-lb (149-163 N•m) at 100 rpm
maximum. Do not over-torque.
7. Reattach one fluid cover (2). Arrow (A) must point
toward the air valve. See Torque Instructions,
page 20.
8. TP, SP, and GE Models: Follow directions under
Attach Second Fluid Cover, page 19.
CR, BN, and FK Models: Reattach the second fluid
cover (2). Arrow (A) must point toward the air valve.
See Torque Instructions, page 20.

All Other Standard Diaphragms - Plastic Pumps:
1. Assemble the diaphragm (20), the air side diaphragm plate (14), and the washer (18) on the fluid
side plate (15) exactly as shown in FIG. 7.
2. Apply medium-strength (blue) Loctite or equivalent
to the threads of the screw on the fluid side plate.
Screw the assembly into the shaft hand-tight.
3. Grease the shaft u-cups (101*) and the length and
ends of the diaphragm shaft (108*). Slide the shaft
into the housing.
4. Repeat for the other diaphragm assembly.
5. Hold one of the plates with a wrench, and torque the
other plate to 110-120 ft-lb (149-163 N•m) at 100
rpm maximum. Do not over-torque.
6. Reattach one fluid cover (2). Arrow (A) must point
toward the air valve. See Torque Instructions,
page 20.
7. TP, SP, and GE Models: Follow directions under
Attach Second Fluid Cover, page 19.
CR, BN, and FK Models: Reattach the second fluid
cover (2). Arrow (A) must point toward the air valve.
See Torque Instructions, page 20.
8. Reassemble the ball check valves and manifolds as
explained on page 12.

9. Reassemble the ball check valves and manifolds as
explained on page 12.

3A0411F

Repair

Attach Second Fluid Cover

To reduce the risk of serious injury, do not put your fingers or hand between the air cover and the diaphragm.

NOTE: If you are replacing the diaphragms but not the
air valve, you still must remove the air valve, and
replace the gasket with the tool so the air valve can be
used for proper installation of the second fluid cover.
Remember to remove the tool and replace the gasket
when finished.

Reassembly of Overmolded Diaphragms
To ensure proper seating and help attain expected diaphragm life, attach the second fluid cover with air pressure on the pump. This procedure is needed for
overmolded diaphragms (PO and CO) and for the following standard diaphragms: TP, SP, GE, PT.
1. Place the supplied tool (302) where the air valve
gasket (113*) normally goes. Arrows (A) must face
toward the fluid cover that is already attached.
A

302

NOTE: If your pump has standard diaphragms, see
page 16.
1. Clamp the shaft flats in a vise.
2. If diaphragm setscrew comes loose or is replaced,
apply permanent (red) Loctite® or equivalent to diaphragm side threads. Screw into diaphragm until
tight.
3. Assemble the air side plate (14) and washer (18)
onto the diaphragm. The rounded side of the plate
must face the diaphragm.
4. Apply medium-strength (blue) Loctite or equivalent
to the threads of the diaphragm assembly. Screw
the assembly into the shaft as tight as possible by
hand.
5. Grease the shaft u-cups (101*) and the length and
ends of the diaphragm shaft (108*). Slide the shaft
into the housing.
6. Reattach the first fluid cover (2). Arrow (A) must
point toward the air valve. See Torque Instructions, page 20.

ti18299a

FIG. 8. Diaphragm Installation Tool

7. Repeat Steps 2 - 4 for the other diaphragm assembly.
8. Follow directions under Attach Second Fluid
Cover, page 19.

2. Reattach the air valve.
3. Supply the pump with low pressure air, just enough
to move the diaphragm. For standard diaphragms,
use about 10 psi (0.07 MPa, 0.7 bar); for overmolded diaphragms use about 20 psi (0.14 MPa,
1.4 bar). Shop air may be used. The diaphragm will
shift so the second fluid cover will seat properly.
Keep air pressure on until the second fluid cover is
attached.

9. Reassemble the ball check valves and manifolds as
explained on page 12.

4. Attach the second fluid cover (2). See Torque
Instructions, page 20.
5. Remove the air valve and the tool (302), replace the
gasket (113), and reattach the air valve. See Torque
Instructions, page 20.
3A0411F

Repair

Torque Instructions
See FIG. 9 for fluid cover and air valve fasteners. See
FIG. 10 for manifold fasteners.
NOTE: Fluid cover and manifold fasteners on the polypropylene pumps have a thread-locking adhesive patch
applied to the threads. If this patch is excessively worn,
the fasteners may loosen during operation. Replace
screws with new ones or apply medium-strength (blue)
Loctite or equivalent to the threads.
If fluid cover or manifold fasteners have been loosened,
it is important to torque them using the following procedure to improve sealing.
NOTE: Always completely torque fluid covers, then
torque the manifold pieces together, then torque the
assembled manifolds to the fluid covers.
Start all fluid cover screws a few turns. Then turn down
each screw just until head contacts cover. Then turn
each screw by 1/2 turn or less working in a crisscross
pattern to specified torque. Repeat for manifolds.

Fluid Cover Screws

Fluid cover fasteners:
Polypropylene and Stainless Steel: 40-45 ft-lb
(54-61 N•m)
Aluminum: 55-60 ft-lb (75-81 N•m)
Manifold fasteners:
Polypropylene: 40-45 ft-lb (54-61 N•m)
Aluminum:
Refs 1-8: 11-21 ft-lb (15-28 N•m)
Refs 9-16: 55-60 ft-lb (75-81 N•m)
Stainless Steel:
Refs 1-4: 110-120 in-lb (12-13 N•m)
Refs 5-12: 40-45 ft-lb (54-61 N•m)
Retorque the air valve fasteners in a crisscross pattern
to specified torque.
Air Valve fasteners
Plastic Center Sections: 45-55 in-lb (5-6.2 N•m)
Aluminum Center Sections: 75-85 in-lb
(8.5-9.6 N•m)
Also check and tighten the nuts or bolts (X) holding the
manifold feet to the mounting brackets.

Air Valve Screws
1
4

10
X

2
ti16560a

ti16558a

FIG. 9. Torque instructions, Fluid Covers and Air Valve Fasteners (all models, aluminum shown)

3A0411F

Repair

Aluminum
14

Polypropylene
13 19
10 22

1-8

17
15
15

12
21

20 14

1-8

ti16559a

24
ti16564a

Stainless Steel
10

11
6

7
3

9
ti17457a

FIG. 10. Torque Instructions - Manifold Fasteners

3A0411F

Parts

Parts
3300A, Aluminum
6

7
3
see page 32

6
7

37
see page 33

see page 32

see page 27

8
see page 33

1b
see page 30

3
see page 32

21b
12

21a

1 13
11

21c

1 13
18
21d

14
2
17

20
see page 35

18
16

4
see page 32

36
see page 33

4
see page 32

6
8
see page 33

6
7
23

1 Not used on some models.

see page 32
ti17766a

22
22

3A0411F

Parts

3300P, Polypropylene
9

9
7

9
6

see page 32

see page 33

see page 32

see page 27

8
see page 33

1b
see page 30

21b

21c

see page 32

21a
12
1 13
11
1 13
10
14

9 1

305
10
2

21d
see page 33

20
see page 35

4
see page 32

6
36

see page 33

see page 32

9
9

1 Not used on some models.

7
24
23

9
ti17767a

10
3A0411F

Parts

3300S, Stainless Steel
6

3
see page 32

37
see page 33

6
9

see page 33

9
1b
5

see page 30

see page 32

21b

see page 32

21a

12
1 13

21c

11
1a

1 13
18

see page 27

21d
10

14
305

18 17

see page 35

4
see page 32

10
36
see page 33

2
34
4

see page 32

5
see page 32

8
see page 33

34
1 Not used on some models.

24
9
ti18613a

3A0411F

Parts

Parts/Kits Quick Reference
Use this table as a quick reference for parts/kits. See pages indicated in table for full description of kit contents.
Ref. Part/Kit Description

Ref. Part/Kit Description

--------1b
2
24K871
24K873
24K876
3
24K885
24K888
24K892
4
24K886
24K889
24K893
5
24K884
24K969
24K890
24K894
24K970
6
24K880
24K879
24K882
7
24K887
24K891
8

9
10

24K956
24K883
24K896
---------

3A0411F

CENTER SECTION, not sold separately, see
page 27
Aluminum
Polypropylene
AIR VALVE; see page 30
FLUID COVER KITS; see page 32
Aluminum
Polypropylene
Stainless Steel
MANIFOLD, outlet elbow kits; see page 32.
Aluminum
Polypropylene
Stainless Steel
MANIFOLD, inlet elbow kits; see page 32.
Aluminum
Polypropylene
Stainless Steel
MANIFOLD, center kits, see page 32.
Aluminum, npt
Aluminum, bspt
Polypropylene
Stainless Steel, npt
Stainless Steel, bspt
SEAL, manifold joint, see page 37
Buna-N, for aluminum and poly
PTFE, for aluminum and poly
PTFE, for stainless steel
BOLTS, manifold elbows to center; not used
on stainless steel, see page 32
Aluminum
Polypropylene
FASTENERS, manifold to fluid cover, see
page 33
Aluminum
Polypropylene
Stainless Steel
WASHER, included with fastener kits
NUT, included with refs 36 and 37

24K928
24K929
24K930
24K936
24K931
24K933
24K934
24K935
24K932
12
24K937
24K938
24K941
24K942
24K945
24K939
24K943
24K944
24K940
13

24K909
24K927
24K975

17
18
20

24K906
24K907
24K908
-----

--------24K897
24K903
24K900
24K898
24K904
24K899
24K905
24K902
24K901

SEATS; 4-pack, see page 34
Acetal
Aluminum
Buna-N
FKM Fluoroelastomer
Geolast
Polypropylene
Santoprene
Stainless Steel
TPE
CHECK BALLS; 4-pack, see page 34
Acetal
Buna-N
Polychloroprene, standard
Polychloroprene, weighted
FKM Fluoroelastomer
Geolast
PTFE
Santoprene
TPE
O-RING, seat (not used on some models);
8-pack, see page 37
Buna-N
PTFE
PLATE, air side diaphragm, includes o-ring
(17) and washer (18)
PLATE, fluid side diaphragm, see page 36
Aluminum
Polypropylene
Stainless steel
SCREW, hex washer head,
3/8-11x 3 in., carbon steel, included with Ref.
15
O-RING, included with Refs. 14 and 15
WASHER, included with Refs. 14 and 15
DIAPHRAGM Kits; see page 35
Buna-N Standard
FKM Standard
Geolast Standard
Polychloroprene Overmolded
Polychloroprene Standard
PTFE Overmolded
PTFE/Santoprene Two-Piece
Santoprene Standard
TPE Standard
Continued

Parts

Ref. Part/Kit Description
21a- 24P932 MUFFLER, includes o-ring and mounting
21d
hardware
23
BRACKET, mounting, see page 37
24K973
Aluminum
24K972
Polypropylene and Stainless Steel
24 ----BOLT, mounting, 1/2-13 , included in bracket
kit
25▲ 188621 LABEL, warning (not shown)
33▲
TAG, warning, retorque (not shown)
16F337
Aluminum
16F338
Polypropylene
16F742
Stainless Steel
34 24K895 KIT, manifold clamp, used on stainless steel
36
FASTENERS, fluid cover to air cover, see
and
page 33
37 24K872
Aluminum
24K874
Polypropylene, with poly center
24K875
Polypropylene, with alum center
24K877
Stainless Steel with alum center
24K878
Stainless Steel with poly center
38▲ 198382 LABEL, warning, multilingual (not shown)

▲Replacement Warning labels, signs, tags, and cards
are available at no cost.

3A0411F

Parts

Center Section
Sample Configuration Number
Pump Size
and Material

Center Section

Fluid Covers
and Manifolds

Seats

Check
Balls

Diaphragm

Manifold and
Seat Seals

3300A

A01A

Aluminum

2 Apply lithium-based grease.
6 Lips must face out of housing.

104*

7 Aluminum: Torque to 30-40 ft-lb. (41-54 N•m).

111

8 Torque to 20-25 in.-lb (2.3-2.8 N•m).
102
105

103

113*

109*
107*

106

7 103

110* 2

2 108*

112*
101* 6

ti17768a

Aluminum Center Section
Ref. Description

Qty.

Ref. Description

Qty.

101*
102
103

2
4
4

111
112*
113*
114
115

1
4
1
1
1

104*
105
106
107*
108*
109*
110*

U-CUP, center shaft
SCREW, ground
BOLT, socket head, 7/16-14 x 6.25,
zinc-plated carbon steel
SCREW, M6 x 25, stainless steel
COVER, air
HOUSING, center, not sold separately
GASKET, air cover
SHAFT, center
BEARING, shaft
VALVE, pilot, assembly

3A0411F

4
2
1
2
1
2
2

VALVE, air, see page 31
PIN, dowel, stainless steel
GASKET, air valve
LUBRICANT, thread, not shown
SEALANT, anaerobic, not shown

* Included in Center Section Rebuild Kit.
The center housing (106) is not sold separately.

Parts

Sample Configuration Number
Pump Size
and Material

Center Section

Fluid Covers
and Manifolds

Seats

Check
Balls

Diaphragm

Manifold and
Seat Seals

3300A

A01A

Polypropylene
2 Apply lithium-based grease.
116*

6 Lips must face out of housing.
111

7 Torque to 25-35 ft-lb. (34-47 N•m).
8 Torque to 20-25 in.-lb (2.3-2.8 N•m).

118

113*

119

117
105
106

110* 2

112*
2 108*

101* 6

109*
107*

103 7

119

ti17769a

Polypropylene Center Sections
Ref. Description

Qty.

101*
103

2
4

105
106
107*
108*
109*
110*
111
112*
113*

U-CUP, center shaft
BOLT, hex head, 7/16-14 x 6.25,
stainless steel
COVER, air
HOUSING, center, not sold separately
GASKET, air cover
SHAFT, center
BEARING, shaft
VALVE, pilot, assembly
VALVE, air, see page 31
PIN, dowel, stainless steel
GASKET, air valve

2
1
2
1
2
2
1
4
1

Ref. Description

Qty.

114
116*
117
118
119

1
4
4
4
8

LUBRICANT, thread, not shown
NUT, serrated
SCREW, hi-lo stud
NUT, jam, 7/16, stainless steel
WASHER, 7/16, stainless steel

* Included in Center Section Rebuild Kit.
The center housing (106) is not sold separately.

3A0411F

Parts

Sample Configuration Number
Pump Size
and Material

Center Section

Fluid Covers
and Manifolds

Seats

Check
Balls

Diaphragm

Manifold and
Seat Seals

3300A

A01A

Center Section Rebuild Kits (*)

Center Shaft Bearing Kits

A01A, P01A

24K850

A01A, P01A, A01G, P01G

24K854

A01E

24K955

A01E

24K951

A01G, P01G

24K851

Kits include:
•
•
•
•
•
•
•
•
•
•

2 center shaft u-cups (101)
4 screws, M6 x 25, for A01x pumps (104)
2 air cover gaskets (107)
1 center shaft (108)
2 center shaft bearings (109)
2 pilot valve assemblies (110)
4 dowel pins (112)
1 air valve gasket (113)
4 nuts, serrated, for P01x pumps (116)
1 grease packet

Pilot Valve Assembly Kits

Air Cover Kits
A01x

24K867

P01x

24K868

Kits include:
• 1 air cover (105)
• 1 air cover gasket (107)
• 2 dowel pins (112)

Air Cover Center Bolt Kits

A01A, P01A, A01G, P01G

24A366

A01E

24K946

Kits include:
•

Kit includes:
• 2 center shaft u-cups (101)
• 2 center shaft bearings (109)

Aluminum Center

24K869

Polypropylene Center

24K870

Aluminum Kit includes:
• 4 bolts (103), 7/16-14 x 6.25 in.

2 pilot valve assemblies (110)

Polypropylene Kit includes:
• 4 bolts (103), 7/16-14 x 6.25 in.
• 4 jam nuts (118)
• 8 washers (119)

Center Shaft Kits
A01A, P01A

24K852

A01E

24K950

A01G, P01G

24K853

Kit includes:
• 2 center shaft u-cups (101)
• 1 center shaft (108)
• 2 center shaft bearings (109)

3A0411F

Parts

Air Valve
Sample Configuration Number
Pump Size
and Material

Center Section

Fluid Covers
and Manifolds

Seats

Check
Balls

Diaphragm

Manifold and
Seat Seals

3300A

A01A

209◆†
1 Apply lithium-based grease.
205◆ 3

2 U-cup lips must face piston.
3 Apply lithium-based grease to contact surface.

212◆ 3
214◆ 1

211◆

213◆

1 203◆
1 204◆

210✠

1 208◆†

206◆†✠ 1
207✠

1 206◆†✠

201
1

210✠
202◆ 1
207✠

ti17765a

Ref.

Description

Qty
.

201
202◆
203◆
204◆
205◆
206◆†✠
207✠
208◆†
209◆†
210✠
211◆

HOUSING, not sold separately
PISTON
DETENT PISTON ASSEMBLY
CAM, detent
PLATE, air valve
O-RING
CAP, end
U-CUP
SCREW
RETAINING RING
DETENT SPRING

1
1
1
1
1
2
2
2
2
2
1

Ref.

Description

Qty
.

212◆
213◆
214◆

BASE, cup
CUP
O-RING, cup

1
1
1

◆ Parts included in Air Valve Repair Kit. See page 31.
† Parts included in Air Valve Seals Kit. See page 31.
✠ Parts included in Air Valve End Cap Kit. See page
31.

3A0411F

Parts

Sample Configuration Number
Pump Size
and Material

Center Section

Fluid Covers
and Manifolds

Seats

Check
Balls

Diaphragm

Manifold and
Seat Seals

3300A

A01A

Air Valve Seal Kits (†)
A01A, P01A, A01G, P01G

24K859

A01E

24K948

Kit includes:
• 2 end cap o-rings (206)
• 2 piston u-cups (208)
• 2 screws, M3, shorter (209, for metal pumps)
• 2 screws, #4, longer (209, for plastic pumps)
• 1 air valve gasket (113)
• 1 grease packet
• 1 solenoid release button o-ring (not shown),
used only with optional DataTrak kit.
All Models

Air Valve Repair Kits (◆)
A01A, P01A, A01G, P01G 24K860
A01E
24K954
Kits include:
• 1 air valve piston (202)
• 1 detent piston assembly (203)
• 1 detent cam (204)
• 1 air valve plate (205)
• 2 end cap o-rings (206)
• 2 piston u-cups (208)
• 2 screws, M3, shorter (209, for metal pumps)
• 2 screws, #4, longer (209, for plastic pumps)
• 1 detent spring (211)
• 1 air cup base (212)
• 1 air cup (213)
• 1 air cup o-ring (214)
• 1 solenoid release button o-ring (not shown),
used only with optional DataTrak kit.
• 1 air valve gasket (113)
• 1 grease packet

3A0411F

Air Valve
Replacement Kits
A01A, A01G 24K855
A01E
24K947
P01A, P01G 24K857
Kits include:
• 1 air valve assembly (1b)
• 1 air valve gasket (113)
• 4 screws (109; models with aluminum centers)
OR
• 4 nuts (112; models with plastic centers)

Air Valve End Cap Kits (✠)
A01x
P01x

24A361
24C053

Kits include:
• 2 end caps (207)
• 2 retaining rings (210)
• 2 o-rings (206)

NOTE: If you have the optional DataTrak on your pump,
see Accessories, page 38, for Air Valve Replacement
kits.

Parts

Fluid Covers and Manifolds
Sample Configuration Number
Pump Size
and Material

Air Valve and
Center Section

Fluid Covers
and Manifolds

Seats

Check
Balls

Diaphragm

Manifold and
Seat Seals

3300A

A01A

Fluid Cover Kits
A1,
A2

24K871

Manifold Center Kits

24K873

S1,
S2

Outlet Manifold Elbow Kits

ti17799a

24K888

S1,
S2

24K892

ti18629a

ti17804a

24K890

S1
S2

ti17805a

24K894
24K970

ti18632a

P1 24K889

ti17806a

Manifold Center
Fastener Kits
24K887
24K891
24K895

Aluminum kit includes:
• 8 bolts (7) , hex head with flange base, 3/8-16 x
1.25 in., zinc-plated carbon steel
Polypropylene kit includes:
• 8 bolts (7), hex head, 1/2-13 x 2.5 in.,
stainless steel
• 16 washers (9)
• 8 nuts (10)

Inlet Manifold Elbow Kits

ti17801a

ti17802a

A1, A2
P1
S1, S2

Kits include:
• 1 outlet manifold elbow (3)

A1, 24K886
A2

24K884
24K969

Kits include:
• 1 manifold center (5)

Kits include:
• 1 fluid cover (2)

A1, 24K885
A2

A1
A2

ti18628a

ti17803a

ti17800a

24K876

S1,
S2

24K893

Stainless steel kit includes:
• 2 clamps (7a), 4 in., tri-clamp
• 2 gaskets (7b), 4 in., PTFE

ti18630a

Kits include:
• 1 inlet manifold elbow (4)

3A0411F

Parts

Sample Configuration Number
Pump Size
and Material

Air Valve and
Center Section

Fluid Covers
and Manifolds

Seats

Check
Balls

Diaphragm

Manifold and
Seat Seals

3300A

A01A

Manifold to Fluid Cover
Fastener Kits

Fluid Cover to Air Cover
Fastener Kits

A1, A2
P1
S1, S2

A1, A2
P1, with poly center
P1, with aluminum center
S1, S2, with poly center
S1, S2, with aluminum center

24K956
24K883
24K896

Aluminum kit includes:
• 8 bolts (7) , hex head with flange base, 1/2-13 x
1.25 in., zinc-plated carbon steel
Polypropylene kit includes:
• 16 bolts (7), hex head, 1/2-13 x 4 in., stainless
steel
•

32 washers, 1/2 in., stainless steel

•

16 nuts, 1/2 in., stainless steel

Stainless steel kit includes:
• 8 bolts, hex head, 1/2-13 x 1.5 in., stainless
steel
•

8 washers, 1/2 in., stainless steel

•

8 nuts, 1/2 in., stainless steel

24K872
24K874
24K875
24K878
24K877

Aluminum kit Includes:
• 12 bolts (36 and 37), hex head with flange,
1/2-13 x 2 in., zinc-coated carbon steel
Polypropylene with Poly Center kit includes:
• 8 bolts (36), hex head, 1/2-13 x 4 in., stainless
steel
• 4 bolts (37, hex head, 1/2-13 x 2.5 in., stainless
steel
• 20 washers (9), stainless steel
• 8 nuts (10), hex, stainless steel
Polypropylene with Aluminum Center kit includes:
• 8 bolts (36), hex head, 1/2-13 x 3.25 in., stainless steel
• 4 bolts (37), hex head, 1/2-13 x 2.25 in., stainless steel
• 12 washers (9), stainless steel
Stainless Steel with Aluminum Center Kit includes:
• 8 bolts (36), hex head, 1/2-13 x 1.5 in., stainless
steel
• 4 bolts (37), hex head, 1/2-13 x 2.25 in., stainless steel
• 12 washers (9), stainless steel
Stainless Steel with Polypropylene Center Kit includes:
• 12 bolts (36 and 37), hex head, 1/2-13 x 2.5 in.,
stainless steel
• 20 washers (9), stainless steel
• 8 nuts, hex, 1/2 in., stainless steel

3A0411F

Parts

Seats and Check Balls
Sample Configuration Number
Pump Size
and Material

Air Valve and
Center Section

Fluid Covers
and Manifolds

3300A

A01A

Seats

Diaphragm

Manifold and
Seat Seals

TP AC

Seat Kits
AC*
AL*
BN
FK
GE*
PP*
SP*
SS*
TP

Check
Balls

Check Ball Kits
24K928
24K929
24K930
24K936
24K931
24K933
24K934
24K935
24K932

AC
BN
CR
CW
FK
GE
PT
SP
TP

24K937
24K938
24K941
24K942
24K945
24K939
24K943
24K944
24K940

Kits include:
• 4 seats (10), material indicated in table

Kits Include:
• 4 balls (11), material indicated in table

* These seats require o-rings, which are sold
separately. See page 37.

NOTE: Some kits may not be available for your model.
See the selector tool at www.graco.com or speak with
your distributor.

3A0411F

Parts

Diaphragms
Sample Configuration Number
Pump Size
and Material

Air Valve and
Center Section

Fluid Covers
and Manifolds

Seats

Check
Balls

Diaphragm

Manifold and
Seat Seals

3300A

A01A

NOTE: Some kits may not be available for your model. See the selector tool at www.graco.com or speak with your
distributor.
.

Standard Diaphragm Kits

Overmolded Diaphragm Kits

BN
CR
FK
GE
SP
TP

CO
PO

24K897
24K904
24K903
24K900
24K902
24K901

Kits include:
• 2 diaphragms (20, material indicated in table)
• 2 o-rings (17) for the bolt (used only on metal
pumps)
• 1 diaphragm install tool (302), not included with
rubber diaphragms

24K898
24K899

Kits include:
• 2 overmolded diaphragms (20, material indicated in table)
• 2 diaphragm set screws, stainless steel (16)
• 1 diaphragm install tool (302)
• I Loctite packet
NOTE: Air plates (14) and washer (18) are sold in a separate kit. See page 36. The shaft (108) is part of Kit
24K851, the Center Section Rebuild Kit.

NOTE: Diaphragm plates (14, 15), washer (18) and diaphragm shaft bolts (16) are sold in separate kits. See
page 36. The shaft (108) is part of Kit 24K850, the Center Section Rebuild Kit.
108
108
18

18
20

15
14

16
18
16

(Metal pumps)
15

(Plastic pumps)

302
(not to scale)

ti17813a

ti17811a

302
(not to scale)

3A0411F

Parts

Diaphragms (continued)
Sample Configuration Number
Pump Size
and Material

Air Valve and
Center Section

Fluid Covers
and Manifolds

Seats

Check
Balls

Diaphragms

Manifold and
Seat Seals

3300A

A01A

Two-Piece Diaphragm Kits

Fluid Plate Kits

3300A
3300P
3300S

24K905

Kits include:
• 2 diaphragms (20), PTFE
• 2 backup diaphragms (305), Santoprene
• 2 o-rings for the bolt (17, used only on metal
pumps)
• 1 diaphragm install tool.
NOTE: Diaphragm plates (14, 15), washer (18) and diaphragm shaft bolts (16) are sold in separate kits. See
page 36. The shaft (108) is part of Kit 24K850, the Center Section Rebuild Kit.

108
18

24K906
24K907
24K908

Kits for aluminum and stainless steel pumps include:
• 1 fluid side diaphragm plate (15)
• 1 washer (18)
• 1 o-ring (17)
• 1 bolt (16)
Kits for polypropylene pumps include:
• 1 air side diaphragm plate (14)
• 1 fluid side diaphragm plate (15)
• 1 washer (18)

305

Air Plate Kits

20
15

All Models 24K975
17
18
16

Kits include:
• 1 air side diaphragm plate (14)
• 1 washer (18)
• 1 o-ring (17)

(Metal pumps)
15
(Plastic pumps)
ti17812a
302
(not to scale)

3A0411F

Parts

Manifold and Seat Seals
Sample Configuration Number
Pump Size
and Material

Air Valve and
Center Section

Fluid Covers
and Manifolds

Seats

Check
Balls

Diaphragm

Manifold and
Seat Seals

3300A

A01A

Manifold Center Seal Kits
Aluminum and
Poly Pumps
Stainless Steel Pumps
PT 24K879
BN 24K880
FK 24K881

24K882
not available

Kits for Aluminum or Polypropylene pumps include:
• 4 o-rings (6)
• 1 grease packet
Kit for Stainless Steel pumps includes:
• 4 gaskets (6)

Seat O-Ring Kits
PT
BN
FK

24K927
24K909
24K926

Kit Includes:
• 8 o-rings (13)

Mounting Bracket Kits
Aluminum
24K973
Polypropylene and 24K972
Stainless Steel
Kit Includes:
• 2 mounting brackets (23)
• 4 bolts (24)
• 4 nuts (10) and 8 washers (9), polypropylene or
stainless steel pumps

3A0411F

Parts

Accessories
Grounding Wire Assembly Kit 238909
Includes ground wire and clamp.
Muffler 111897
Legacy or remote exhaust muffler option.
NOTE: See DataTrak Manual 313840 for:
•
•
•

Pulse Count Conversion Kits 24B794 and 24B795
DataTrak Conversion Kits 24K861 and 24K862
All other data monitoring parts, including reed
switches and solenoids.

Replacement Air Valve Kit 24K856,
Aluminum, DataTrak Compatible
Kit includes screws, air valve, and gasket.
Replacement Air Valve Kit 24K858,
Polypropylene, DataTrak Compatible
Kit includes screws, air valve, and gasket.
Replacement Air Valve Kit 24K949,
Aluminum, DataTrak Compatible, with FKM Seals
Kit includes screws, air valve, and gasket.

3A0411F

Technical Data

Technical Data
Husky 3300
US
Maximum fluid working pressure
Aluminum or Stainless Steel with
Aluminum Center Section
Polypropylene or Stainless Steel with
Polypropylene Center Section
Air pressure operating range**
Aluminum or Stainless Steel with
Aluminum Center Section
Polypropylene or Stainless Steel with
Polypropylene Center Section
Air consumption
All pumps

Metric

125 psi

0.86 MPa, 8.6 bar

100 psi

0.7 MPa, 7 bar

20-125 psi

0.14-0.86 MPa, 1.4-8.6 bar

20-100 psi

0.14-0.7 MPa, 1.4-7 bar

90 scfm at 70 psi, 100 gpm 2.5 m3/min at 4.8 bar, 379 lpm

Maximum air consumption*
Aluminum or Stainless Steel with
335 scfm
9.5 m3/min
Aluminum Center Section
Polypropylene or Stainless Steel with
275 scfm
7.8 m3/min
Polypropylene Center Section
Maximum free-flow delivery*
Standard diaphragms
300 gpm at 125 psi
1135 lpm at 8.6 bar
Standard diaphragms
280 gpm at 100 psi
1059 lpm at 7 bar
Overmolded diaphragms
270 gpm at 125 psi
1022 lpm at 8.6 bar
Overmolded diaphragms
260 gpm at 100 psi
984 lpm at 7 bar
Maximum Pump Speed*
Standard diaphragms
103 cpm at 125 psi
103 cpm at 8.6 bar
Standard diaphragms
97 cpm at 100 psi
97 cpm at 7 bar
Overmolded diaphragms
135 cpm at 125 psi
135 cpm at 8.6 bar
Overmolded diaphragms
130 cpm at 100 psi
130 cpm at 7 bar
Maximum suction lift (varies widely based on ball/seat selection and wear, operating speed, material properties, and other variables)*
Dry
8 ft.
2.4 meters
Wet
Recommended cycle rate for continuous duty
Recommended cycle rate for circulation systems
Maximum size pumpable solids
Fluid flow per cycle**
Standard diaphragms
Overmolded diaphragms
Noise (dBa)***
Sound Power
Sound Pressure

3A0411F

28 ft.

1/2 in.

8.5 meters
35-50 cpm
20 cpm
13 mm

2.9 gal
2.0 gal

11.0 l
7.6 l

99.1 at 50 psi and 50 cpm, 99.1 at 3.4 bar and 50 cpm
106.1 at 125 psi and full flow 106.1 at 8.6 bar and full flow
91.5 at 50 psi and 50 cpm 91.5 at 3.4 bar and 50 cpm
98.2 at 125 psi and full flow 98.2 at 8.6 bar and full flow

Technical Data

Inlet/Outlet Sizes
Fluid inlet - Polypropylene
Fluid inlet - Aluminum
Fluid inlet - Stainless Steel
Air Inlet - all pumps
Wetted parts
All pumps

3 in. ANSI/DIN flange
3 in.-8 npt or 3 in.-11 bspt with 3 in. ANSI/DIN flange
3 in.-8 npt or 3 in.-11 bspt
3/4 in. npt(f)
Materials chosen for seat, ball, and diaphragm options,
plus the pump’s material of construction - aluminum, polypropylene, or stainless steel. Aluminum pumps also have
carbon-coated steel.

Non-wetted external parts
Polypropylene
Aluminum
Stainless Steel

stainless steel, polypropylene
aluminum, coated carbon steel
stainless steel, polypropylene or aluminum
(as used in center section)

Weight
Polypropylene
200 lb
91 kg
Aluminum
150 lb
68 kg
Stainless Steel
255 lb
116 kg
Notes
*
Maximum values with water as media at ambient temperature. Water level is approximately 3 feet above pump
inlet.
**

Startup pressures and displacement per cycle may vary based on suction condition, discharge head, air pressure, and fluid type.

***

Sound power measured per ISO-9614-2. Sound pressure was tested 3.28 ft (1 m) from equipment.

Santoprene® is a registered trademark of the Monsanto Co.
Loctite® is a registered trademark of the Loctite Corporation.

3A0411F

Technical Data

Fluid Temperature Range
NOTICE
Temperature limits are based on mechanical stress only. Certain chemicals will further limit the fluid operating temperature range. Stay within the temperature range of the most-restricted wetted component. Operating at a fluid
temperature that is too high or too low for the components of your pump may cause equipment damage.

Fluid Temperature Range

Diaphragm/Ball/Seat Material
Acetal
Buna-N
FKM Fluoroelastomer*

Aluminum Pumps

Polypropylene Pumps

10° to 180°F

-12° to 82°C 32° to 150°F 0° to 66°C

10° to 180°F

-12° to 82°C 32° to 150°F 0° to 66°C

-40° to 275°F -40° to 135°C 32° to 150°F 0° to 66°C

Geolast®
Polychloroprene overmolded diaphragm
or Polychloroprene check balls
Polypropylene
PTFE overmolded diaphragm
PTFE check balls

-40° to 150°F -40° to 66°C 32° to 150°F 0° to 66°C

Santoprene® or two-piece PTFE/Santoprene diaphragm
TPE

-40° to 180°F -40° to 82°C 32° to 150°F 0° to 66°C

0° to 180°F

-18° to 82°C 32° to 150°F 0° to 66°C

32° to 150°F

0° to 66°C

32° to 150°F 0° to 66°C

40° to 180°F

4° to 82°C

40° to 150°F 4° to 66°C

40° to 220°F

4° to 104°C

40° to 150°F 4° to 66°C

-20° to 150°F -29° to 66°C 32° to 150°F 0° to 66°C

* The maximum temperature listed is based on the ATEX standard for T4 temperature classification. If you are
operating in a non-explosive environment, FKM fluoroelastomer’s maximum fluid temperature in aluminum pumps is 320°F
(160°C).

3A0411F

Graco Standard Husky Pump Warranty
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in
material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty
published by Graco, Graco will, for a period of five years from the date of sale, repair or replace any part of the equipment determined by Graco to
be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written
recommendations.
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty
installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of
non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with
structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or
maintenance of structures, accessories, equipment or materials not supplied by Graco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of
the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The equipment will be returned
to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will
be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy
(including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental or
consequential loss) shall be available. Any action for breach of warranty must be brought within six (6) years of the date of sale.
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT
MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to
the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these
warranties.
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or
the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the
negligence of Graco, or otherwise.
FOR GRACO CANADA CUSTOMERS
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered into,
given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la
rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés, à la suite
de ou en rapport, directement ou indirectement, avec les procédures concernées.

Graco Information
For the latest information about Graco products, visit www.graco.com.
For patent information, see www.graco.com/patents.
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.
Phone: 612-623-6921 or Toll Free: 1-800-328-0211 Fax: 612-378-3505

All written and visual data contained in this document reflects the latest product information available at the time of publication.
Graco reserves the right to make changes at any time without notice.
Original instructions. This manual contains English. MM 3A0411

Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA
Copyright 2012, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.
www.graco.com
Revision F, May 2014

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XMP Toolkit                     : 3.1-701
Job Ref                         : ECP95210
Web Statement                   : 3A0411, 3300 Air-Operated Diaphragm Pump, Repair/Parts, English
Producer                        : Acrobat Elements 10.0.0 (Windows)
Keywords                        : "3A0411, 3300, Husky, Husky 3300, Air-Operated Diaphragm Pump, MM 3A0411, 3A0411F, 3A0411EN-F, 3A0411EN"
Marked                          : True
Copyright                       : 2012, Rev. F, May 2014
Format                          : application/pdf
Creator                         : Shelly Saunders
Description                     : 3300 Air-Operated Diaphragm Pump, MM3A0411
Title                           : 3A0411F, 3300 Air-Operated Diaphragm Pump, Repair/Parts, English
Subject                         : 3A0411, 3300, Husky, Husky 3300, Air-Operated Diaphragm Pump, MM 3A0411, 3A0411F, 3A0411EN-F, 3A0411EN
Create Date                     : 2009:07:09 13:37:05Z
Modify Date                     : 2014:06:12 14:45:41-05:00
Creator Tool                    : FrameMaker 9.0
Metadata Date                   : 2014:06:12 14:45:41-05:00
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Instance ID                     : uuid:b5e7ff7e-c0b6-482a-9962-754f084071bd
Page Count                      : 42
Author                          : Shelly Saunders

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Graco 3A0411F 3300 Air Operated Diaphragm Pump Users Manual 3A0411F, Pump, Repair/Parts, English

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