Graco 334567B 190 290 390 Electric Airless Sprayers Users Manual 190/290/390 (English)

2015-04-02

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Operation, Parts

Electric Airless
Sprayers

334567B
EN

For professional use only.
Not approved for use in explosive atmospheres or hazardous locations.
For portable airless spraying of architectural paints and coatings.
190/290/390 PC Classic Models:
3000 psi (207 bar, 20.7 MPa) Maximum Working Pressure
3300 psi (228 bar, 22.8 MPa) Maximum Working Pressure
See page 3 for additional model information.

Important Safety Instructions
Read all warnings and instructions in this manual and related manuals. Be familiar with
the controls and the proper usage of the equipment. Save these instructions.
Related Manuals
311861 (Contractor/FTx) 312830 (SG3)

334599 (Pump)

ti25126a

Use only genuine Graco replacement parts.
The use of non-Graco replacement parts may void warranty.

Contents

Contents
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Component Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Stand Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Lo-Boy Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Hi-Boy Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Extension Cords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Pails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Pressure Relief Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Trigger Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Spray Tip Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Spray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Clear Tip Clog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Cleanup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Mechanical/Fluid Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
190, 290, 390 Stand Sprayers Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
190, 290, 390 Stand Sprayers Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
390 Lo-Boy Sprayer Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
390 Lo-Boy Sprayer Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
190, 290, 390 Hi-Boy Sprayers Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
190, 290, 390 Hi-Boy Sprayers Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Accessories and Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Control Box and Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Control and Filter Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
120V, US/Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
110V, UK / 230V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

2

334567B

Models
Models
Hi-Boy

Stand

VAC

110474
Certified to
CAN/CSA
C22.2 No. 68
Conforms to
UL 1450

Model
190 Express
390 PC
NOVA 390 PC

17A322
17C310
826195

17C313

120
USA

120
390 PC
Japan/Taiwan
230
190 Express
South America
190 Express
190 PC Classic
230
CEE 7/7
290 PC Classic
390 PC Classic
390 PC Classic
230
Europe Multi
190 PC Classic
110
UK
390 PC Classic
190 Express
230
Asia/ANZ
390 PC
230
390 PC Classic
China

334567B

Lo-Boy

17C385
17C117
17A323
17C438
17C344
17C348

17C342
17C343
17C349

17C346

17C351

17C341
17C347
17C384
17C386

17C350
17C387

17C388

17C389

3

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
symbols refer to procedure-specific risks. When these symbols appear in the body of this
manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols
and warnings not covered in this section may appear throughout the body of this manual
where applicable.

GROUNDING
This product must be grounded. In the event of an electrical short circuit, grounding reduces
the risk of electric shock by providing an escape wire for the electric current. This product is
equipped with a cord having a grounding wire with an appropriate grounding plug. The plug
must be plugged into an outlet that is properly installed and grounded in accordance with all
local codes and ordinances.
• Improper installation of the grounding plug is able to result in a risk of electric shock.
• When repair or replacement of the cord or plug is required, do not connect the grounding
wire to either flat blade terminal.
• The wire with insulation having an outer surface that is green with or without yellow stripes
is the grounding wire.
• Check with a qualified electrician or serviceman when the grounding instructions are not
completely understood, or when in doubt as to whether the product is properly grounded.
• Do not modify the plug provided; if it does not fit the outlet, have the proper outlet installed
by a qualified electrician.
• This product is for use on a nominal 110V, 120V, or 230V circuit and has a grounding plug
similar to the plugs illustrated below.

120V US

230V

230V ANZ

ti24583a

• Only connect the product to an outlet having the same configuration as the plug.
• Do not use an adapter with this product.
Extension Cords:
• Use only a 3-wire extension cord that has a grounding plug and a grounding receptacle that
accepts the plug on the product.

• Make sure your extension cord is not damaged. If an extension cord is necessary use 12
AWG (2.5mm2) minimum to carry the current that the product draws.

• An undersized cord results in a drop in line voltage and loss of power and overheating.

4

334567B

Warnings
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:
• Do not spray flammable or combustible materials near an open flame or sources of ignition
such as cigarettes, motors, and electrical equipment.
• Paint or solvent flowing through the equipment is able to result in static electricity. Static
electricity creates a risk of fire or explosion in the presence of paint or solvent fumes. All
parts of the spray system, including the pump, hose assembly, spray gun, and objects in
and around the spray area shall be properly grounded to protect against static discharge
and sparks. Use Graco conductive or grounded high-pressure airless paint sprayer hoses.
• Verify that all containers and collection systems are grounded to prevent static discharge.
Do not use pail liners unless they are antistatic or conductive.
• Connect to a grounded outlet and use grounded extensions cords. Do not use a 3-to-2
adapter.
• Do not use a paint or a solvent containing halogenated hydrocarbons.
• Do not spray flammable or combustible liquids in a confined area.
• Keep spray area well-ventilated. Keep a good supply of fresh air moving through the area.
• Sprayer generates sparks. Keep pump assembly in a well ventilated area at least 20 feet
(6.1 m) from the spray area when spraying, flushing, cleaning, or servicing. Do not spray
pump assembly.
• Do not smoke in the spray area or spray where sparks or flame is present.
• Do not operate light switches, engines, or similar spark producing products in the spray
area.
• Keep area clean and free of paint or solvent containers, rags, and other flammable
materials.
• Know the contents of the paints and solvents being sprayed. Read all Material Safety Data
Sheets (MSDS) and container labels provided with the paints and solvents. Follow the
paint and solvents manufacturer’s safety instructions.
• Fire extinguisher equipment shall be present and working.

334567B

5

Warnings
SKIN INJECTION HAZARD
High-pressure spray is able to inject toxins into the body and cause serious bodily injury. In the
event that injection occurs, get immediate surgical treatment.
• Do not aim the gun at, or spray any person or animal.
• Keep hands and other body parts away from the discharge. For example, do not try to stop
leaks with any part of the body.
• Always use the nozzle tip guard. Do not spray without nozzle tip guard in place.
• Use Graco nozzle tips.
• Use caution when cleaning and changing nozzle tips. In the case where the nozzle tip clogs
while spraying, follow the Pressure Relief Procedure for turning off the unit and relieving
the pressure before removing the nozzle tip to clean.
• Equipment maintains pressure after power is shut off. Do not leave the equipment
energized or under pressure while unattended. Follow the Pressure Relief Procedure
when the equipment is unattended or not in use, and before servicing, cleaning, or
removing parts.
• Check hoses and parts for signs of damage. Replace any damaged hoses or parts.
• This system is capable of producing 3300 psi. Use Graco replacement parts or accessories
that are rated a minimum of 3300 psi.
• Always engage the trigger lock when not spraying. Verify the trigger lock is functioning
properly.
• Verify that all connections are secure before operating the unit.
• Know how to stop the unit and bleed pressure quickly. Be thoroughly familiar with the
controls.

EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
• Always wear appropriate gloves, eye protection, and a respirator or mask when painting.
• Do not operate or spray near children. Keep children away from equipment at all times.
• Do not overreach or stand on an unstable support. Keep effective footing and balance at
all times.
• Stay alert and watch what you are doing.
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.
• Do not kink or over-bend the hose.
• Do not expose the hose to temperatures or to pressures in excess of those specified by
Graco.
• Do not use the hose as a strength member to pull or lift the equipment.
• Do not spray with a hose shorter than 25 feet.
• 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.

6

334567B

Warnings
ELECTRIC SHOCK HAZARD
This equipment must be grounded. Improper grounding, setup, or usage of the system can
cause electric shock.
• Turn off and disconnect power cord before servicing equipment.
• Connect only to grounded electrical outlets.
• Use only 3-wire extension cords.
• Ensure ground prongs are intact on power and extension cords.
• Do not expose to rain. Store indoors.

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.
• Do not use chlorine bleach.
• Many other fluids may contain chemicals that can react with aluminum. Contact your
material supplier for compatibility.

MOVING PARTS HAZARD
Moving parts can pinch, cut, or amputate fingers and other body parts.
• Keep clear of moving parts.
• Do not operate equipment with protective guards or covers removed.
• Pressurized equipment can start without warning. Before checking, moving, or servicing
equipment, follow the Pressure Relief Procedure and disconnect all power sources.

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.
• Store hazardous fluid in approved containers, and dispose of it according to applicable
guidelines.

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 protective
equipment includes but is not limited to:
• Protective eyewear, and hearing protection.
• Respirators, protective clothing, and gloves as recommended by the fluid and solvent
manufacturer.

CALIFORNIA PROPOSITION 65
This product contains a chemical known to the State of California to cause cancer, birth defects
or other reproductive harm. Wash hands after handling.

334567B

7

Component Identification
Component Identification
Stand Models
M

U

A

B
V
R
D

S

P

K
N

J

G
F
F
L
H

ti24091a

A
B
D
F
G
H
J
K
L
8

ON/OFF Switch
Pressure Control
Prime Valve
Tip Guard
Spray Tip
Gun
Airless Hose
Power Cord
Trigger Lock

M
N
P
R
S
U
V

Drain Tube
Fluid Intake
Pump
Fluid Outlet
Power Cord Wrap
Filter
Finger Guard / TSL Fill Point
Model/Serial Tag (Not shown, located
on bottom of unit.)
334567B

Component Identification
Lo-Boy Models
A

U

S

K

B
M

V

N

D
R

P

J

G
F
L
H

ti24093a

A
B
D
F
G
H
J
K

ON/OFF Switch
Pressure Control
Prime Valve
Tip Guard
Spray Tip
Gun
Airless Hose
Power Cord

334567B

L
M
N
P
R
U
V

Trigger Lock
Drain Tube
Fluid Intake
Pump
Fluid Outlet
Filter
Finger Guard / TSL Fill Point
Model/Serial Tag (Not shown, located
on bottom of unit.)
9

Component Identification
Hi-Boy Models

S

T

R

A

U
B
V

D

P
K
M
N
J

G
F
F
L
H

ti24092a

A
B
D
F
G
H
J
K
L

10

ON/OFF Switch
Pressure Control
Prime Valve
Tip Guard
Spray Tip
Gun
Airless Hose
Power Cord
Trigger Lock

M
N
P
R
S
T
U
V

Drain Tube
Fluid Intake
Pump
Fluid Outlet
Hanger
Filter
Finger Guard / TSL Fill Point
Pail Hook
Model/Serial Tag (Not shown, located
on bottom of unit.)

334567B

Grounding
Grounding

The equipment must be grounded to
reduce the risk of static sparking and
electric shock. An electric or static spark
can cause fumes to ignite or explode. An
improper ground can cause electric shock.
A good ground provides an escape wire for
the electric current.
This sprayer includes a ground wire with an
appropriate ground contact.
The plug must be plugged into an outlet that
is properly installed and grounded in
accordance with all local codes and
ordinances.

Always ground a metal pail: connect a
ground wire to the pail. Clamp one end to the
pail and the other end to a true earth ground
such as a water pipe.

Do not modify the plug provided; if it does not
fit the outlet, have the proper outlet installed
by a qualified electrician.

Power Requirements
•

110-120V units require 100-120 VAC,
50/60 Hz, 13A, 1 phase.

•

230V units require 230 VAC, 50/60 HZ,
8A, 1 phase.

Extension Cords

ti24584a

To maintain ground continuity when
sprayer is flushed or pressure is relieved:
hold metal part of spray gun firmly to the side
of a grounded metal pail then trigger the gun.

Use an extension cord with an undamaged
ground contact. If an extension cord is
necessary, use a 3-wire, 12 AWG (2.5 mm2)
minimum.
NOTE: Smaller gauge or longer extension
cords may reduce sprayer performance.

Pails
Solvent and oil-based fluids: follow local
code. Use only conductive metal pails,
placed on a grounded surface such as
concrete.
Do not place pail on a non-conductive surface
such as paper or cardboard which interrupts
grounding continuity.
ti24585a

334567B

11

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

This equipment stays pressurized until
pressure is manually relieved. To help
prevent serious injury from pressurized
fluid, such as skin injection, splashed fluid
and moving parts, follow the Pressure
Relief Procedure whenever sprayer is
stopped and before sprayer is cleaned or
checked, and before equipment is
serviced.
1.

3.

Remove tip guard.

ti24592a

4.

Turn pressure control to lowest setting.
Disengage trigger lock.

Turn ON/OFF switch to OFF position.
Wait 7 seconds for power to dissipate.

ti25130a

2.

Engage trigger lock.

ti25230a

ti24931a

12

334567B

Pressure Relief Procedure
5.

Hold a metal part of the gun firmly to a
grounded metal pail. Trigger the gun to
relieve pressure.

8.

If you suspect the spray tip or hose is
clogged or that pressure has not been
fully relieved:
a.

VERY SLOWLY loosen tip guard
retaining nut or hose end coupling to
relieve pressure gradually.

b.
c.

Loosen nut or coupling completely.
Clear hose or tip obstruction.

Trigger Lock
Always engage the trigger lock when sprayer
is stopped to prevent the gun from being
triggered accidentally by hand or if dropped
or bumped.

ti24585a

6.

Engage trigger lock.

7.

Put drain tube in pail. Turn prime valve
down. Leave prime valve in down (drain)
position until you are ready to spray
again.

ti24612a

ti24607a

334567B

13

Setup
Setup
2.

Connect other end of hose to gun.

When unpacking sprayer for the first time or
after long term storage perform setup
procedure. When first setup is performed
remove shipping plug from fluid outlet.
1.

Connect Graco airless hose to fluid
outlet. Use wrenches to tighten securely.

ti24633a

3.

Use wrenches to tighten securely.

4.

Engage trigger lock.

ti24931a

ti24616a

14

334567B

Setup
5.

Remove tip guard.

b.

Squeeze bottle to dispense enough
TSL to fill the space between the
pump rod and packing nut seal.

ti24592a

6.

When unpacking sprayer for the first
time remove packaging materials from
inlet strainer. After long term storage
check inlet strainer for clogs and debris.

ti24639a

8.

Make certain ON/OFF switch is OFF.

ti25130a

9.

Plug power supply cord into a properly
grounded electrical outlet.

ti24638a
ti24651a

7.

Fill throat packing nut with TSL to
prevent premature packing wear. Do this
daily or each time you spray.
a.

334567B

10. Turn prime valve down.

Place the TSL bottle nozzle into the
top center opening in the grill at the
front of the sprayer.
15

Setup
15. Turn prime valve horizontal. Disengage
trigger lock.

ti24608a

11. Place fluid intake with drain tube in
grounded metal pail partially filled with
flushing fluid. See Grounding, page 11.
NOTE: New sprayers are shipped with
storage fluid that must be flushed out with
mineral spirits prior to using the sprayer.
Check flushing fluid for compatibility with
material that is to be sprayed. A secondary
flush with a compatible fluid may be
necessary. Water for latex paint or mineral
spirits for oil-based paint.

ti24646a

16. Hold a metal part of the gun firmly to a
grounded metal pail. Trigger gun and
flush until clean.
17. Turn ON/OFF switch to OFF position.
18. Engage trigger lock.
19. After flushing storage fluid out of the
sprayer empty pail. Replace fluid intake
with drain tube in grounded metal pail
partially filled with flushing fluid. Use
water to flush water-based paint or
mineral spirits to flush oil-based paint.
20. Turn ON/OFF switch to ON position.
21. Turn prime valve horizontal. Disengage
trigger lock.

ti24640a

22. Hold a metal part of the gun firmly to a
grounded metal pail. Trigger gun and
flush for one minute.

12. Turn pressure control to lowest setting.

23. Turn ON/OFF switch to OFF position.

13. Turn ON/OFF switch to ON position.

24. Engage trigger lock.

14. Increase pressure 1/2 turn to start motor.
Allow fluid to flush through sprayer for
one minute.

25. Sprayer is now ready to start up and
spray.

16

334567B

Startup
Startup
5.

1.

Perform Pressure Relief Procedure,
page 12.

2.

Turn pressure control to lowest
pressure.

Increase pressure 1/2 turn to start motor.
Allow paint to circulate through sprayer
until paint flows out the drain tube.

ti25231a

6.

Turn prime valve horizontal. Disengage
trigger lock.

ti25230a

3.

Turn ON/OFF switch to ON position.

ti25129a

4.

Place fluid intake in paint pail. Place
drain tube in waste pail.

ti24646a

334567B

17

Startup
7.

Hold gun against grounded metal waste
pail. Trigger gun until paint appears.

20 s

1m

ti24649a
ti24647a

8.

Move gun to paint pail and trigger for 20
seconds. Release trigger and allow
sprayer to build pressure. Engage
trigger lock.

10. Screw tip assembly onto gun and
tighten. See Spray Tip Installation,
page 19. For gun assembly instructions,
see separate gun manual.

High-pressure spray is able to inject toxins
into the body and cause serious bodily
injury. Do not stop leaks with hand or rag.
9.

Inspect for leaks. If leaks occur, perform
Pressure Relief Procedure, page 12,
then tighten all fittings and repeat
Startup procedure. If there are no leaks
continue with the next step.
ti24652a

18

334567B

Operation
Operation
Spray Tip Installation

3. Screw assembly onto gun. Tighten.

1. Perform Pressure Relief
Procedure, page 12.
2. Use spray tip (A) to insert
OneSeal™ (B) into tip guard (C).

ti24652a

C

Spray

B
A

1.

Spray test pattern. Adjust pressure to
eliminate heavy edges.

ti24653a

2. Insert Spray Tip.

ti24669a

ti24664a

334567B

2.

Use smaller tip size if pressure
adjustment cannot eliminate heavy
edges.

3.

Hold gun perpendicular, 10-12 in. (25-30
cm) from surface. Spray back and forth;
overlap by 50%.

19

Operation

ti24673a

4.

Trigger gun after moving. Release
trigger before stopping. For additional
spraying information, see separate gun
manual.

Clear Tip Clog

1.

ti24674a

2.

Engage trigger lock. Return Spray Tip to
original position. Disengage trigger lock
and continue spraying.

Release trigger. Engage trigger lock.
Rotate Spray Tip. Disengage trigger
lock. Trigger gun at waste area to clear
clog.

ti24676a

20

334567B

Operation
Cleanup

1.

Perform Pressure Relief Procedure,
page 12.

2.

Remove tip guard and Spray Tip. For
additional information, see separate gun
manual.

ti24709a

4.
ti24592a

3.

Place fluid intake in flushing fluid. Use
water for water base paint and mineral
spirits for oil-based paint. Place drain
tube in waste pail.

Remove fluid intake and drain tube from
paint, wipe excess paint off outside.

ti24710a

5.
334567B

Turn prime valve horizontal.
21

Operation
6.

Increase pressure 1/2 turn to start motor.
Hold gun against paint pail. Disengage
trigger lock. Trigger gun and increase
pressure until the pump runs steady and
flushing fluid appears.

ti24713a

9.

Raise fluid intake above flushing fluid.

ti25232a
ti24712a

7.

Stop triggering gun. Move gun to waste
pail, hold gun against pail, trigger gun to
thoroughly flush system.

8.

While continuing to trigger gun, turn
prime valve down. Then, release gun
trigger. Allow flushing fluid to circulate
until fluid comes out of drain tube clear.

ti24714a

22

334567B

Operation
10. Turn prime valve horizontal. Trigger gun
into flushing pail to purge fluid from hose.
11. Engage trigger lock.

ti24718a

20 s

14. If flushing with water, flush again with
mineral spirits or Pump Armor to leave a
protective coating to prevent freezing or
corrosion.

ti24649a

12. Turn pressure control knob to the lowest
pressure setting and turn ON/OFF
switch to OFF position. Disconnect
power to sprayer.
ti24719a

15. Wipe sprayer, hose and gun with a rag
soaked in water or mineral spirits.

ti25134a

13. Remove filter from gun and sprayer if
installed. Clean and inspect. Install filter.
See separate gun manual.
334567B

ti24720a

23

Maintenance
Maintenance
Routine maintenance is important to ensure proper operation of your sprayer. Maintenance
includes performing routine actions which keep your sprayer in operation and prevents trouble
in the future.

Activity

Interval

Inspect/clean sprayer filter, fluid inlet strainer, and gun
filter.

Daily or each time you spray

Inspect motor shield vents for blockage.
Fill TSL by adding through TSL fill point.
Inspect motor brushes for wear. Brushes must be 1/2 in.
(13mm) minimum length. NOTE: Brushes do not wear at
the same rate on both sides of motor. Check both brushes.
Check sprayer stall.

Daily or each time you spray
Daily or each time you spray
Every 1000 gallons (3785 liters)

Every 1000 gallons (3785 liters)

With sprayer gun NOT triggered, sprayer motor should stall
and not restart until gun is triggered again.
If sprayer starts again with gun NOT triggered, inspect
pump for internal/external leaks and check prime valve for
leaks.
Throat packing adjustment

As necessary based on usage

When pump packing begins to leak after extended use,
tighten packing nut down until leakage stops or lessens.
This allows approximately 100 gallons of additional
operation before a repacking is required. Packing nut can
be tightened without O-ring removal.

24

334567B

Troubleshooting
Troubleshooting
Mechanical/Fluid Flow

1.

Follow Pressure Relief Procedure,
page 12, before checking or repairing.

Problem
Pump output is low

2.

Check all possible problems and causes
before disassembling the unit.

What to Check
If check is OK, go to next
check

What to Do
When check is not OK,
refer to this column

Spray tip worn.

Follow Pressure Relief Procedure,
page 12, then replace tip. See
separate gun or tip manual.

Spray tip clogged.

Relieve pressure. Check and clean
spray tip.

Paint supply.

Refill and reprime pump.

Intake strainer clogged.

Remove and clean, then reinstall.

Intake valve ball and piston ball are
not seating properly.

Remove intake valve and clean.
Check balls and seats for nicks;
replace if necessary. See pump
manual. Strain paint before using to
remove particles that could clog
pump.

Fluid filter or tip filter is clogged or
dirty.

Clean filter.

Prime valve leaking.

Follow Pressure Relief Procedure,
page 12, then repair prime valve.

Verify pump does not continue to
stroke when gun trigger is released.
(Prime valve not leaking.)

Service pump. See pump manual.

Leaking around throat packing nut
Replace packings. See pump manual.
which may indicate worn or damaged Also check piston valve seat for
packings.
hardened paint or nicks and replace if
necessary. Tighten packing
nut/wet-cup.

334567B

25

Troubleshooting
Problem
Pump output is low

What to Check
If check is OK, go to next
check

What to Do
When check is not OK,
refer to this column

Pump rod damage.

Repair pump. See pump manual.

Low stall pressure.

Turn pressure knob fully clockwise.
Make sure pressure control knob is
properly installed to allow full
clockwise position. If problem
persists, replace pressure control.

Piston packings are worn or
damaged.

Replace packings. See pump manual.

O-ring in pump is worn or damaged.

Replace o-ring. See pump manual.

Intake valve ball is packed with
material.

Clean intake valve. See pump
manual.

Large pressure drop in hose with
heavy materials.

Reduce overall length of hose.

Check extension cord for correct size. See Extension Cords, page 11.
Loose motor brushes and terminals.

Tighten terminal screws. Replace
brushes if leads are damaged.

Worn motor brushes. (Brushes must
be 1/2 in. [13mm] minimum length).

Replace brushes.

Broken and misaligned motor brush
Replace spring if broken. Realign
springs. Rolled portion of spring must spring with brush.
rest squarely on top of brush.

Motor runs but pump does not stroke

Excessive paint leakage into throat
packing nut

26

Motor brushes are binding in brush
holders.

Clean brush holders, remove carbon
dust with a small cleaning brush.
Align brush lead with slot in brush
holder to assure free vertical brush
movement.

Connecting rod assembly damaged.
See pump manual.

Replace connecting rod assembly.
See pump manual.

Gears or drive housing damaged.

Inspect drive housing assembly and
gears for damage and replace if
necessary.

Throat packing nut is loose.

Remove throat packing nut spacer.
Tighten throat packing nut just
enough to stop leakage.

Throat packings are worn or
damaged.

Replace packings. See pump manual.

Displacement rod is worn or
damaged.

Replace rod. See pump manual.

334567B

Troubleshooting
Problem
Fluid is spitting from gun

Pump is difficult to prime

Sprayer operates for 5 to 10 minutes
then stops

334567B

What to Check
If check is OK, go to next
check

What to Do
When check is not OK,
refer to this column

Air in pump or hose.

Check and tighten all fluid
connections. Cycle pump as slowly as
possible during priming.

Spray tip is partially clogged.

Clear tip. See Clear Tip Clog, page
20.

Fluid supply is low or empty.

Refill fluid supply. Prime pump. See
pump manual. Check fluid supply
often to prevent running pump dry.

Air in pump or hose.

Check and tighten all fluid
connections. Cycle pump as slowly as
possible during priming.

Intake valve is leaking.

Clean intake valve. Be sure ball seat
is not nicked or worn and that ball
seats well. Reassemble valve.

Pump packings are worn.

Replace pump packings. See pump
manual.

Paint is too thick.

Thin the paint according to supplier
recommendations.

Pump packing nut too tight. When
pump packing nut is too tight the
packings on the pump rod restrict
pump action and overloads the motor.

Loosen pump packing nut. Check for
leaks around throat. If necessary,
replace pump packings. See Pump
manual.

27

Troubleshooting
Electrical
Symptom: Sprayer does not run, stops
running, or will not shut off.

Perform Pressure Relief Procedure, page
12.
1.

Plug sprayer into correct voltage,
grounded outlet.

Problem
Sprayer does not run at all.

28

2.

Turn the ON/OFF switch OFF wait 30
seconds and then turn power back ON
again (this ensures sprayer is in normal
run mode).

3.

Turn pressure control knob clockwise
1/2 turn.

Keep clear of electrical and moving parts
during troubleshooting procedures. To
avoid electrical shock hazards when
covers are removed for troubleshooting,
wait 7 seconds after disconnecting power
cord for stored electricity to dissipate.

What to Check

How to check

Check electrical supply.

Make certain that there is AC voltage.
100-130V for 110-120VAC models or
210-255V for 230VAC models.

Check pressure control connections.

Make certain connector is clean and
firmly connected.

Check pressure control.

Connect known good pressure
control. If the motor runs, replace
pressure control.

Check replaceable fuse.

With sprayer unplugged (no power
applied), make certain there is
continuity through the fuse.

Check motor leads.

Make certain terminals are clean and
firmly connected.

334567B

Troubleshooting
Problem

What to Check
Check motor rotation.

How to check
Perform a spin test by connecting a 9
–12 Volt battery to the motor leads.
Motor leads may vary in style and
size. Locate the two wires going to the
carbon brushes normally Red and
Black. Motor should spin when battery
is connected to the motor leads.

BLACK (-)

RED (+)
YELLOW

ti25122a

Check motor thermal switch.

9-VOLT
BATTERY

Motor should be at ambient
temperature for this test. Connect the
yellow leads from the motor to an
Ohm meter. Meter should indicate
continuity.

BLACK (-)

RED (+) YELLOW

-

BEEP

+

ti25123a

334567B

29

Troubleshooting
Problem

What to Check
Check motor armature resistance.

How to check
Connect the Red and Black leads
from the motor to an Ohm meter.
Rotate the motor while checking for
opens. If an open is found replace the
motor.

-

BLACK (-)

RED (+)
YELLOW

1-3 ohms

ti25124a

Check for motor short.

Use an Ohm meter to check motor for
shorts. Connect (–) meter lead to
motor case. Move the (+) meter lead
to each motor wire. Meter should read
open on all wires.

GROUND

-

BLACK (-)

RED (+)

YELLOW
OL

-

ti25125a

30

334567B

Troubleshooting
Problem

What to Check

How to check

Sprayer will not shut off after reaching Check pressure control.
or exceeding maximum pressure.

Disconnect pressure control, if
sprayer still runs, replace control
board. If the sprayer stops, replace
pressure control.

Basic electrical problems

Motor leads are securely fastened
and properly mated

Replace loose terminals; crimp to
leads. Be sure terminal are firmly
connected.
Clean circuit board terminals.
Securely reconnect leads.

For loose motor brush lead
connections and terminals.

Tighten terminal screws. Replace
brushes if leads are damaged.

Brushes must be 1/2 in. [13mm]
minimum. NOTE: Brushes do not
wear at the same rate on both sides
of motor. Check both brushes.

Replace brushes.

Broken or misaligned motor brush
Replace spring if broken. Realign
springs. Rolled portion of spring must spring with brush.
rest squarely on top of brush.
Motor brushes may be binding in
brush holders.

Clean brush holders. Remove carbon
with small cleaning brush. Align brush
leads with slot in brush holder to
assure free vertical brush movement.

Motor armature commutator for burn Remove motor and have motor shop
spots, gouges or extreme roughness. resurface commutator if possible.

334567B

31

Sprayers Parts
Sprayers Parts
Ref.

Torque

1

140-160 in-lb (15.8 - 18.1 N•m)

2

30-35 in-lb (3.4 - 4.0 N•m)

2
95

23

12

53

63
54a

65
7

54c
54b
56

54
36

See page 42.

71

59
68

47 1

1 47

67

ti24099a

32

334567B

Sprayers Parts

Ref.

Torque

1

140-160 in-lb (15.8 - 18.1 N•m)

2

30-35 in-lb (3.4 - 4.0 N•m)

3

Hammer tight

69

66

28
27

1 47

22
63

40
44
25
45

43
12

145
70
55

2

3
41
132

62
20

91
14

60
39
ti24098a

334567B

37
33

Sprayers Parts
190, 290, 390 Stand Sprayers Parts List
Ref. Part
7

SCREW, mch, slot/hex,
wash hd
12
117501
SCREW, mach, slot
hex wash hd
14
117559
O-RING
20
249051
KIT, tube, drain
includes 39,55, 62, 145
22
COVER, front
17C540 Stand models
17A322,17A323,
17C117, 17C341,
17C438,17C344,
17C384
17C539 Stand models
17C310, 17C346,
17C347, 17C348,
17C385, 17C386,
17C389, 826195
23
SHIELD, motor
15E341 Stand models
17A322,17A323,
17C117, 17C341,
17C438,17C344,
17C384
15J371
Stand models
17C310, 17C346,
17C347, 17C348,
17C385, 17C386,
17C389, 826195
25
180131
BEARING, thrust
27
See page HOSE, cpld, 1/4 in. x 25
41
or 50 ft
28
See page GUN, spray
41
34 See page CARD, medical alert
41
(not shown)
36 189930
LABEL, caution
37
246385
STRAINER, 7/8-14 unf
39
244035
DEFLECTOR, barbed
40
249194
GEAR, reducer
41
PUMP, displacement
17C487 North America
17C488 Europe
17C489 Asia/ANZ/Japan
42
24W817 HOUSING, drive
includes 47
43
24W640 ROD, connecting

34

115498

Description

Qty.
1
4
2
1
1

1

1
1
1
1
1
1
1
1
1

1
1

Ref. Part
44

Description

Qty.

24X020

GEAR, crankshaft
includes 25
45
24W830 KIT, hose, cpld
includes 132
47
117493
SCREW, mach, hex
washer hd
52
See page LABEL, front
41
53
See page LABEL, side
41
54 *
KIT, motor, electric
includes 54a, 54b, 54c
17C794 110/120V
17C799 230V
54a 119653
RING, retaining, E-ring
54b 17C583 FAN, motor, roller,
clutch
54c 16X726 WASHER, shim, round
55
15E818 TUBE, drain
56
See page CORD, power
42
59
15E823 FRAME, stand mount
60
246386
HOSE, suction set
includes 14, 37, 91
62
404989
STRAP, tie
63 See page LABEL, warning
41
65 See page LABEL, warning icons
41
intl
66
116139
GRIP, handle
67
15G857 CAP, leg
68
287903
CUP, suction/drain
69
287072
HANDLE includes 47,
66
70
17C483 COVER, pump rod
71
122667
SCREW, drill, hex
washer head
91
115099
WASHER
132 16H137 PACKING, O-RING
206994
FLUID, TSL, 8 oz (not
shown)
145 M70809 FITTING, barbed, hose
* For motor brush kit order 249042

1
1
9
1
1
1

1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1

Replacement Danger and Warning labels,
tags, and cards are available at no cost.

334567B

390 Lo-Boy Sprayer Parts
390 Lo-Boy Sprayer Parts
Ref.

Torque

1

140-160 in-lb (15.8 - 18.1 N•m)

2

30-35 in-lb (3.4 - 4.0 N•m)

2 12

53

63

54a

54

54c

65
7

54b
36

See page 42.

56
82
83

2 150
59
69

74

66

47

68
46
334567B

1
ti24101a

35

390 Lo-Boy Sprayer Parts
Ref.

Torque

1

140-160 in-lb (15.8 - 18.1 N•m)

2

30-35 in-lb (3.4 - 4.0 N•m)

3

Hammer tight

28
27

117

42

1
47

40
44

60

22
52

25

145
55

43

62

70

20

2

3

45
132

12

41

39
91
14
37
ti24100a

36

334567B

390 Lo-Boy Sprayer Parts
390 Lo-Boy Sprayer Parts List
Ref. Part
7

115498

12

117501

14
20

117559
249051

22
23
25
27

17C539
15J371
180131
240794

28
288427
34 17A134
37
39
40
41
42

246385
244035
249194
17C489
24W817

43
44

24W640
24X020

45

24W830

46
47

107310
117493

52
53
54 *

17C819
17C820
17C798

54a

119653

334567B

Description
SCREW, mch,
slot/hex, wash hd
SCREW, mach, slot
hex wash hd
O-RING
KIT, tube, drain
includes 39,55, 62, 145
COVER, front
SHIELD, motor
BEARING, thrust
HOSE, cpld, 1/4 in. x
50 ft
GUN, spray
CARD, medical alert
(not shown)
STRAINER, 7/8-14 unf
DEFLECTOR, barbed
GEAR, reducer
PUMP, displacement
HOUSING, drive
includes 47
ROD, connecting
GEAR, crankshaft
includes 25
KIT, hose, cpld
includes 132
PLUG, tubing
SCREW, mach, hex
washer hd
LABEL, front
LABEL, side
KIT, motor, electric,
230V includes 54a,
54b, 54c
RING, retaining, E-ring

Qty.
1
4
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
8
1
1
1
1

Ref. Part
54b

Description

Qty.

17C583

FAN, motor, roller,
clutch
54c 16X726
WASHER, shim, round
55
15E818
TUBE, drain
56
See page CORD, power
42
59
246250
FRAME, cart, lo
60
246386
HOSE, suction set
includes 14, 37, 91
62
404989
STRAP, tie
63 15H087 LABEL, warning
65 189930
LABEL, warning icons
intl
66
15B999
CLIP, retaining
68
104811
CAP, hub
69
287488
HANDLE
70
17C483 COVER, pump rod
74
195766
WHEEL,
semi-pneumatic
82
122667
SCREW, drill, hex
washer hd
83
15B870
CUP, suction/drain
91
115099
WASHER
117 15G447 PLUG, shield, painted
132 16H137 PACKING, O-RING
145 M70809 FITTING, barbed, hose
150 109032
SCREW, mach, pnh
206994
FLUID, TSL, 8 oz (not
shown)

1
1
1
1
1
1
1
1
1
2
2
1
1
2
2
1
1
1
1
1
4
1

* For motor brush kit order 249042
Replacement Danger and Warning labels,
tags, and cards are available at no cost.

37

190, 290, 390 Hi-Boy Sprayers Parts
190, 290, 390 Hi-Boy Sprayers Parts
Ref.

95

Torque

1

140-160 in-lb (15.8 - 18.1 N•m)

2

30-35 in-lb (3.4 - 4.0 N•m)

23 12 2

53

63

69

54a
54
7

54c
54b

36

56

67 2
See page 42.

74

59

47 1

68
ti24103a

38

46
334567B

190, 290, 390 Hi-Boy Sprayers Parts
Ref.

Torque

1

140-160 in-lb (15.8 - 18.1 N•m)

2

30-35 in-lb (3.4 - 4.0 N•m)

3

Hammer tight

42

1

40
44

47
22

70

25

52

137

43

45

136

12

3

2

41
132
13
14
87

145
28
27

95
60

55
62

39

37

ti24102a

334567B

39

190, 290, 390 Hi-Boy Sprayers Parts
190, 290, 390 Hi-Boy Sprayers Parts List
Ref. Part
7

SCREW, mch,
slot/hex, wash hd
12
117501
SCREW, mach, slot
hex wash hd
13
115099
WASHER
14
103413
PACKING, O-ring
22
COVER, front
17C540 Hi-Boy models
17C342, 17C343
17C539 Hi-Boy models
17C313, 17C349,
17C350, 17C351,
17C388
23
SHIELD, motor
15E341
Hi-Boy models
17C342, 17C343
15J371
Hi-Boy models
17C313,17C349,
17C350, 17C351,
17C388
25
180131
BEARING, thrust
27
See page HOSE, cpld, 1/4 in. x
41
25 or 50 ft
28
See page GUN, spray
41
34 See page CARD, medical alert
41
(not shown)
36 189930
LABEL, caution
37
235004
STRAINER, 7/8-14 unf
39
244035
DEFLECTOR, barbed
40
249194
GEAR, reducer
41
PUMP, displacement
17C487 North America
17C488 Europe
17C489 Asia/ANZ/Japan
42
24W817 HOUSING, drive
includes 47
43
24W640 ROD, connecting
44
24X020
GEAR, crankshaft
includes 25
45
24W830 KIT, hose, cpld
includes 132
46
108691
PLUG, tubing
47
117493
SCREW, mach, hex
washer hd

40

115498

Description

Qty.
1
4
1
1
1

1

1
1
1
1
1
1
1
1
1

1
1
1
1
2
8

Ref. Part

Description

52

Qty.

See page LABEL, front
41
53
See page LABEL, side
41
54 *
KIT, motor, electric
includes 54, 54b, 54c
17C794 110/120V
17C799 230V
54a 17C583 FAN, motor, roller,
clutch
54b 16X726
WASHER, shim, round
54c 119653
RING, retaining, E-ring
55
15K092
TUBE, drain
56
See page CORD, power
42
59
17C485 FRAME, cart universal
60
15J801
HOSE, suction set
includes 13, 14, 37, 87,
95
62
195400
CLIP, spring
63 See page LABEL, warnings
41
65 See page LABEL, warning
41
67
109032
SCREW, mach, pnh
68
119452
CAP, hub
69
287489
HANDLE assy, hi cart
70
17C483 COVER, pump rod
74
119451
WHEEL,
semi-pneumatic
87
15B652
WASHER, suction
95
15E813
NUT, jam
132 16H137 PACKING, O-ring
136 17C990 HANGER, pail
137 111040
NUT, lock, insert
145 M70809 FITTING, barbed, hose
206994
FLUID, TSL, 8 oz (not
shown)

1
1
1

1
1
1
1
1
1
1
1
1
1
4
2
1
1
2
1
1
1
1
2
1
1

* For motor brush kit order 249042
Replacement Danger and Warning labels,
tags, and cards are available at no cost.

334567B

Accessories and Labels
Accessories and Labels
Sprayer
Model

Ref. 27
Hose, 1/4
Ref. 28
Ref. 52
in. x   ft Gun, Spray Label, Front

17A322 247339  243012
17A323 247339  289843
17C117 247339  244238
17C310
240794  288430
17C313
17C341
17C342 240793  289843
17C438
17C343
240794  288438
17C344
17C346
17C347
17C348
240794  288438
17C349
17C350
17C351
17C384 247339  16X214
17C385 240794  288430
17C386
240794  288427
17C388
17C389 247340  16X214
826195 826079  288430
288526 – Kit, accessory, hopper
# – English, Spanish, French
% – English, Chinese, Korean
& – North America

Ref. 53
Label,
Side

Ref. 65
Label,
Warning 

Ref. 34
Card,
Medical
Alert 

Ref. 63
Label,
Danger 

17B217
17B217
17B217

17B218
17B218
17B218

195793 & 222385 # 15K359 #
--222385 # 16G596 $
17C136 * 222385 # 17C135 *

17C819

17C820

195793 & 222385 # 15K359 #

17C860

17C861

---

222385 # 16G596 $

17C862

17C863

---

222385 # 16G596 $

17C853

17C854

---

222385 # 16G596 $

17B217
17C819

17B218
17C820

17C819

17C820

17C853
17C821

17C854
17C822

17A134 % 15H087 @
195792 & 17A134 % 15H086 #
---

17A134 % 15H087 @

--17A134 % 15H087 @
195793 & 222385 # 15K359 #

@ – Asia/ANZ
$ – Europe
* – English, Spanish, Portuguese

 – 25 ft. (7.6m)
 – 50 ft. (15.2m)
Replacement Danger and Warning labels, tags, and cards are available at no cost.

334567B

41

Control Box and Filter
Control Box and Filter
Ref.

Torque

1

140-160 in-lb (15.8 - 18.1 N•m)

2

30-35 in-lb (3.4 - 4.0 N•m)

7

130-150 in-lb (14.7 - 16.9 N•m)

8

48-72 in-lb (5.4 - 8.1 N•m)

8

18

17

2

16
15

49a

24

146

1

1

38

97
4

21
51

5

26

35
24

7 36

27

12
49

2

56
150
133
56

ti25121a

42

91

90

334567B

Control Box and Filter
Control and Filter Parts List
Ref. Part
2
4
5
12
15

104361
111600
277364
117501
17C590
17C591

17C592
17C593
15E295

16
246425
246384
246382
246383

17

243080
243081
287902
243102

18
19
21

15B071
15E288
115756
17C725

24

162453

26

15E022

334567B

Description
PACKING, o-ring
PIN, grooved
GASKET, seat, valve
SCREW, mach, hex
washer hd
MANIFOLD, fluid
Tall, no gauge, models,
17C310, 17C313,
17C385, 826195
Tall, with gauge,
models, 17C346,
17C347, 17C348,
17C349,17C350,
17C351, 17C386,
17C387, 17C388
Short, no gauge,
model, 17C389
Short with gauge,
models, 17C343,
17C344
With gauge, models,
17C341
No gauge, models,
17A322, 17A323,
17C342, 17C438,
17C384, 17C117
FILTER, fluid
Tall manifold
30 mesh
60 mesh, original
100 mesh
200 mesh
Short manifold
60 mesh, original
100 mesh
CAP, manifold
KIT, cap, tall manifold,
includes 18
KIT, cap, short
manifold, includes 18,
16 (60 mesh)
INSERT, filter
Tall
Short
BUSHING, motor wire
INDICATOR, control
pressure
NIPPLE, (1/4 npsm x
1/4 npt)
SEAT, valve

Qty.
1
1
1
3

Ref. Part
27
35

187625
239914

36
38

224807

1

24X312
24X313
24X289

24X290

49
49a

1

51
56

90

249052
16X295
24R905
15A464
15J743
242001
253370
16W745
257805
253369
253373
195551

1
91

1
1
1

97
133
145
146
150

242005
253368
17C735
244285
M70809
17D294
119277
115523

2
1

119783

Description
HANDLE, valve, drain
VALVE, drain, includes
5, 26
BASE, valve
KIT, control, pressure,
includes 19, 20, 51
120V, models 17A322
230V, models 17A323,
17C438, 17C342,
17C389, 17C117
120V, models 17C310,
17C313, 17C347,
17C350, 17C385,
826195
230V, models 17C343,
17C344, 17C346,
17C348, 17C349,
17C351, 17C384,
17C387, 17C388
BOARD, control
120V
230V includes 49a
BOARD, capacitor,
230V
LABEL, control
CORD, power
US/Japan
Europe
CORD, IEC, jumper
CORD, CEE
KIT, repair, Europe
Europe, CEE 7/7
Multicord, Asia/ANZ
RETAINER, plug,
adapter
Multicord models
CEE 7/7 models
CORD SET, adapter
Australia
UK
SCREW, mach, HWH
ADAPTER, Japan
FITTING, barbed
SPACER, manifold
Fuse replacement
GAUGE, pressure,
fluid, not shown (on
select models)
FITTING, tee, swivel
(on models with gauge)

Qty.
1
1
1
1

1
1
1
1

2
1
1
2
1
1
2
1
1
1

43

Wiring Diagrams
Wiring Diagrams
120V, US/Japan
from Motor

2 x Yellow

Red (+)
Black (-)
Replaceable Fuse

Pressure
Control
Assembly

ON/OFF
Switch

ti5643a

Black
Power
Plug

Capacitor

White
Green
ti5643a

44

334567B

Wiring Diagrams
110V, UK / 230V
from Motor
Capacitor

Red (+)

Pressure Control
Assembly

2 x Yellow
Black (-)

Replaceable Fuse

ON/OFF
Switch

ti5857a

Blue
Brown
Power
Plug
Green with
Yellow Strip

ti5857a

334567B

45

Technical Specifications
Technical Specifications
190/290/390
US
Sprayer
Maximum fluid working pressure
Maximum Delivery
Maximum Tip Size
Fluid Outlet npsm
Cycles
Generator Minimum
110–120V, A, Hz
220–240V, A, Hz
Dimensions
Height
Stand
Lo-Boy
Hi-Boy
Length
Stand
Lo-Boy
Hi-Boy
Width
Stand
Lo-Boy
Hi-Boy
Weight
Stand
Lo-Boy
Hi-Boy

3000 psi
3300 psi
0.50 gpm
0.023
1/4 in.
700 per gallon
3000 W

46

207 bar, 20.7 MPa
228 bar, 22.8 MPa
1.9 lpm
0.023
6.3 mm
185 per liter
3000 W
1Ø, 13, 50/60
1Ø, 8, 50/60

21 in.
21 in.
29.5 in. (Handle down)
39.5 in. (Handle up)

53.3 cm
53.3 cm
74.9 cm (Handle down)
100.3 cm (Handle up)

15 in.
26 in.
21 in.

38.1 cm
66.0 cm
53.3 cm

14 in.
20.5 in.
20.5 in.

35.6 cm
52.1 cm
52.1 cm

43 lb.
63 lb.
66 lb.

20 kg
29 kg
30 kg

Noise** (dBa) @ 70 psi (0.48 MPa, 4.8 bar)
Sound pressure
Sound power

Metric

90 dBa
100 dBa

334567B

Technical Specifications
190/290/390
US
Materials of Construction
Wetted materials on all models

Metric

zinc- and nickel-plated carbon steel, nylon, stainless steel,
PTFE, Acetal, leather, UHMWPE, aluminum, tungsten
carbide, polyethylene, fluoroelastomer, urethane

Notes
* Startup pressures and displacement per cycle may vary based on suction condition,
discharge head, air pressure, and fluid type.
** Sound pressure measured 3 feet (1 meter) from equipment.
Sound power measured per ISO-3744.

334567B

47

Graco Standard Warranty
Graco Standard 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 twelve months 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 two (2) 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.

48

334567B

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 1-800-690-2894 to identify the
nearest distributor.

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 334567

Graco Headquarters: Minneapolis

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



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Format                          : application/pdf
Description                     : 190/290/390 Electric Airless Sprayers, MM 334567
Title                           : 334567B - 190/290/390 Electric Airless Sprayers (English)
Creator                         : Dwayne Beecher
Subject                         : 334567, MM 334567,  334567B, 334567EN, 334567EN-B, 190 Electric Airless Sprayers, 290  Electric Airless Sprayers, 390 Electric Airless Sprayers, 190/290/390 Electric Airless Sprayers (French)
Producer                        : Acrobat Distiller 10.1.12 (Windows)
Marked                          : True
Keywords                        : "334567, MM 334567,  334567B, 334567EN, 334567EN-B, 190 Electric Airless Sprayers, 290  Electric Airless Sprayers, 390 Electric Airless Sprayers, 190/290/390 Electric Airless Sprayers (French)" ..
Copyright                       : 2014, Rev B 12/2014
Job Ref                         : Air setting 10-15 psi (0.8-1.0 bar) 10-15 psi (0.8-1.0 bar) 15-20 psi Z093684
Web Statement                   : 334567, 190/290/390 Electric Airless Sprayers, (English), noptc
Modify Date                     : 2014:12:15 13:04:41-06:00
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Page Count                      : 49
Language                        : en
Author                          : Dwayne Beecher
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