Ingersoll Rand Diaphragm Pump 66610X X C Users Manual 66610X(w)

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E2006 CCN 81376642
& (800) 276-4658 D FAX (800) 266-7016
INGERSOLL RAND COMPANY LTD
P.O. BOX 151 D ONE ARO CENTER D BRYAN, OHIO 43506-0151
OPERATOR’S MANUAL 66610X-X-C
RELEASED: 8-24-89
REVISED: 5-25-06
(REV. W)
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
1” DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
SERVICE KITS
Refer to Model Description Chart" to match the pump material options.
637118-C for air section repair (see page 6).
637119-XX-C for fluid section repair (see page 4).
637167 abrasion resistant conversion kit is available for use in heavy
and abrasive material applications (see page 4).
PUMP DATA
Models see Model Description Chart" for -XXX".. . . . . . . . . . . .
Pump Type Metallic Air Operated Double Diaphragm.. . . . . . . . .
Material see Model Description Chart".. . . . . . . . . . . .
Weight Aluminum 19 lbs (8.62 kg). . . . . . . . . . . . . . . .
Cast Iron 31 lbs (14.06 kg). . . . . . . . . . . . .
Stainless Steel 36 lbs (16.33 kg). . . . . . . . .
[add 8 lbs (3.63 kg) for cast iron air motor section]
Maximum Air Inlet Pressure 120 p.s.i. (8.3 bar). . . . . . . . .
Maximum Material Inlet Pressure 10 p.s.i. (0.69 bar). . . . .
Maximum Outlet Pressure 120 p.s.i. (8.3 bar). . . . . . . . . .
Maximum Flow Rate (flooded inlet) 35 g.p.m. (133 l.p.m.). . .
Maximum Particle Size 1/8" dia. (3.2 mm). . . . . . . . . . . .
Maximum Temperature Limits (diaphragm / ball / seal material)
Acetal 10_ to 180_ F (-12_ to 82_ C). . . . . . . . . . . . . . . . .
E.P.R. / EPDM -60_ to 280_ F (-51_ to 138_ C). . . . . . . . . . .
HytrelR-20_ to 150_ F (-29_ to 66_ C). . . . . . . . . . . . . . . .
Neoprene 0_ to 200_ F (-18_ to 93_ C). . . . . . . . . . . . . .
Nitrile 10_ to 180_ F (-12_ to 82_ C). . . . . . . . . . . . . . . . .
Polypropylene 35_ to 150_ F (2_ to 66_ C). . . . . . . . . . .
Polyurethane 10_ to 150_ F (-12_ to 66_ C). . . . . . . . . . . .
P.V.D.F. (KynarR)10_ to 200_ F (-12_ to 93_ C). . . . . . . . .
SantopreneR-40_ to 225_ F (-40_ to 107_ C). . . . . . . . . . . .
T.F.E. (TeflonR)40_ to 225_ F (4_ to 107_ C). . . . . . . . . .
VitonR-40_ to 350_ F (-40_ to 177_ C). . . . . . . . . . . . . . . .
Dimensional Data see page 8.. . . . . . . . . . . . . . . .
Noise Level @ 70 p.s.i., 60 c.p.m. 64.5 db(A)*. . . . .
* The pump sound pressure levels published here have been updated to an Equivalent Continuous
Sound Level (LAeq) to meet the intent of ANSI S1.13-1971, CAGI-PNEUROP S5.1 using four micro-
phone locations.
NOTICE: All possible options are shown in the chart. However, certain
combinations may not be recommended, consult a representative or the
factory if you have questions concerning availability.
6661XX-XXX-C
1’’ DIAPHRAGM PUMP
DUAL MANIFOLD
SINGLE MANIFOLD
Figure 1
MODEL DESCRIPTION CHART
6661 X X - X X X - C
6661XX - X X X - C
637119 - X X - C
DiaphragmBall
FLUID SECTION SERVICE KIT SELECTION
EXAMPLE: Model # 666100-361-C
Fluid Section Service Kit # 637119-61-C
Seat Material
1 - Aluminum 4 - P.V.D.F. (Kynar)
2 - 316 Stainless Steel 5 - Carbon Steel
3 - Polypropylene 8 - Hard 440 Stainless Steel
Ball Material
1 - Neoprene 6 - Acetal
2 - Nitrile 8 - Polyurethane
3 - Viton A - Stainless Steel
4 - T.F.E. (Teflon) C - Hytrel
5 - E.P.R. E - Santoprene
Diaphragm Material
1 - Neoprene 3 - Viton 9 - Hytrel
2 - Nitrile 5 - E.P.R. B - Santoprene
4 - T.F.E. (Teflon) / Santoprene
Center Body Material, Threads
0 - Aluminum, N.P.T.F. 2 - Aluminum, BSP
1 - Cast Iron, N.P.T.F. 3 - Cast Iron, BSP
Fluid Cap / Manifold Material, Inlet / Outlet
(Steel Hardware) (Stainless Steel Hardware)
0 - Aluminum, Single A - Aluminum, Single
1 - Stainless Steel, Single B - Stainless Steel, Single
2 - Cast Iron, Single C - Cast Iron, Single
9 - Stainless Steel, Dual D - Stainless Steel, Dual
66610X-X-CPage 2 of 8
OPERATING AND SAFETY PRECAUTIONS
READ, UNDERSTAND, AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE.
EXCESSIVE AIR PRESSURE
STATIC SPARK
HAZARDOUS MATERIALS
HAZARDOUS PRESSURE
WARNING EXCESSIVE AIR PRESSURE. Can cause person-
al injury, pump damage or property damage.
SDo not exceed the maximum inlet air pressure as stated on the
pump model plate.
SBe sure material hoses and other components are able to with-
stand fluid pressures developed by this pump. Check all hoses
for damage or wear. Be certain dispensing device is clean and
in proper working condition.
WARNING STATIC SPARK. Can cause explosion resulting in
severe injury or death. Ground pump and pumping system.
SSparks can ignite flammable material and vapors.
SThe pumping system and object being sprayed must be
grounded when it is pumping, flushing, recirculating or spray-
ing flammable materials such as paints, solvents, lacquers,
etc. or used in a location where surrounding atmosphere is
conducive to spontaneous combustion. Ground the dispens-
ing valve or device, containers, hoses and any object to which
material is being pumped.
SUse the pump grounding screw terminal provided. Use ARO
part no. 66885-1 ground kit or connect a suitable ground wire
(12 ga. min.) to a good earth ground source.
SSecure pump, connections and all contact points to avoid
vibration and generation of contact or static spark.
SConsult local building codes and electrical codes for specific
grounding requirements.
SAfter grounding, periodically verify continuity of electrical path
to ground. Test with an ohmmeter from each component (e.g.,
hoses, pump, clamps, container, spray gun, etc.) to ground to
insure continuity. Ohmmeter should show 0.1 ohms or less.
SSubmerse the outlet hose end, dispensing valve or device in
the material being dispensed if possible. (Avoid free streaming
of material being dispensed.)
SUse hoses incorporating a static wire.
SUse proper ventilation.
SKeep inflammables away from heat, open flames and sparks.
SKeep containers closed when not in use.
WARNING Pump exhaust may contain contaminants. Can
cause severe injury. Pipe exhaust away from work area and per-
sonnel.
SIn the event of a diaphragm rupture material can be forced out
of the air exhaust muffler.
SPipe the exhaust to a safe remote location when pumping haz-
ardous or inflammable materials.
SUse a grounded 3/8" minimum i.d. hose between the pump and
the muffler.
WARNING HAZARDOUS PRESSURE. Can result in serious
injury or property damage. Do not service or clean pump,
hoses or dispensing valve while the system is pressurized.
SDisconnect air supply line and relieve pressure from the sys-
tem by opening dispensing valve or device and / or carefully
and slowly loosening and removing outlet hose or piping from
pump.
WARNING HAZARDOUS MATERIALS. Can cause serious in-
jury or property damage. Do not attempt to return a pump to the
factory or service center that contains hazardous material.
Safe handling practices must comply with local and national
laws and safety code requirements.
SObtain Material Safety Data Sheets on all materials from the
supplier for proper handling instructions.
WARNING EXPLOSION HAZARD. Models containing alumi-
num wetted parts cannot be used with III.-Trichloroethane, Me-
thylene Chloride or other Halogenated Hydrocarbon solvents
which may react and explode.
SCheck pump motor section, fluid caps, manifolds and all
wetted parts to assure compatibility before using with solvents
of this type.
CAUTION Verify the chemical compatibility of the pump
wetted parts and the substance being pumped, flushed or re-
circulated. Chemical compatibility may change with tempera-
ture and concentration of the chemical(s) within the
substances being pumped, flushed or circulated. For specific
fluid compatibility, consult the chemical manufacturer.
CAUTION Maximum temperatures are based on mechani-
cal stress only. Certain chemicals will significantly reduce
maximum safe operating temperature. Consult the chemical
manufacturer for chemical compatibility and temperature lim-
its. Refer to PUMP DATA on page 1 of this manual.
CAUTION Be certain all operators of this equipment have
been trained for safe working practices, understand it’s limita-
tions, and wear safety goggles / equipment when required.
CAUTION Do not use the pump for the structural support of
the piping system. Be certain the system components are
properly supported to prevent stress on the pump parts.
SSuction and discharge connections should be flexible connec-
tions (such as hose), not rigid piped, and should be compatible
with the substance being pumped.
CAUTION Prevent unnecessary damage to the pump. Do
not allow pump to operate when out of material for long periods
of time.
SDisconnect air line from pump when system sits idle for long
periods of time.
CAUTION Use only genuine ARO replacement parts to as-
sure compatible pressure rating and longest service life.
NOTICE Replacement warning labels are available upon
request: ‘‘Static Spark pn \ 93616-1 & Diaphragm Rupture pn \
93122."
WARNING
CAUTION
NOTICE
= Hazards or unsafe practices which could
result in severe personal injury, death or
substantial property damage.
= Hazards or unsafe practices which could
result in minor personal injury, product or
property damage.
= Important installation, operation or
maintenance information.
Page 3 of 866610X-X-C
GENERAL DESCRIPTION
The ARO diaphragm pump offers high volume delivery even at low air
pressure and a broad range of material compatibility options available.
Refer to the model and option chart. ARO pumps feature stall resistant
design, modular air motor / fluid sections.
Air operated double diaphragm pumps utilize a pressure differential in
the air chambers to alternately create suction and positive fluid pressure
in the fluid chambers, ball checks insure a positive flow of fluid.
Pump cycling will begin as air pressure is applied and it will continue to
pump and keep up with the demand. It will build and maintain line pres-
sure and will stop cycling once maximum line pressure is reached (dis-
pensing device closed) and will resume pumping as needed.
AIR AND LUBE REQUIREMENTS
WARNING EXCESSIVE AIR PRESSURE. Can cause pump
damage, personal injury or property damage.
SA filter capable of filtering out particles larger than 50 microns should
be used on the air supply. There is no lubrication required other than
the O" ring lubricant which is applied during assembly or repair.
SIf lubricated air is present, make sure that it is compatible with the O"
rings and seals in the air motor section of the pump.
OPERATING INSTRUCTIONS
SAlways flush the pump with a solvent compatible with the material
being pumped if the material being pumped is subject to setting up"
when not in use for a period of time.
SDisconnect the air supply from the pump if it is to be inactive for a few
hours.
SThe outlet material volume is governed not only by the air supply but
also by the material supply available at the inlet. The material supply
tubing should not be too small or restrictive. Be sure not to use hose
which might collapse.
SWhen the diaphragm pump is used in a forced-feed (flooded inlet)
situation, it is recommended that a Check Valve" be installed at the
air inlet.
SSecure the diaphragm pump legs to a suitable surface to insure
against damage by vibration.
MAINTENANCE
Refer to the part views and descriptions as provided on pages 4 through
7 for parts identification and service kit information.
SCertain ARO Smart Parts" are indicated which should be available
for fast repair and reduction of down time.
SService kits are divided to service two separate diaphragm pump
functions: 1. AIR SECTION, 2. FLUID SECTION. The FLUID SEC-
TION is divided further to match typical part MATERIAL OPTIONS.
SProvide a clean work surface to protect sensitive internal moving
parts from contamination from dirt and foreign matter during service
disassembly and reassembly.
SKeep good records of service activity and include pump in preven-
tive maintenance program.
SBefore disassembling, empty captured material in the outlet man-
ifold by turning the pump upside down to drain material from the
pump.
FLUID SECTION DISASSEMBLY
1. Remove top manifold(s).
2. Remove (22) balls, (19) O" rings and (21) seats.
3. Remove (15) fluid caps.
NOTE: Only Teflon diaphragm models use a primary diaphragm (7) and
a backup diaphragm (8). Refer to the auxiliary view in the Fluid Section
illustration.
4. Remove the (14) screws, (6) washers, (7) or (7 / 8) diaphragms and
(5) washers.
5. Remove (3) O" rings.
NOTE: Do not scratch or mar the surface of (1) diaphragm rod.
FLUID SECTION REASSEMBLY
SReassemble in reverse order.
SClean and inspect all parts. Replace worn or damaged parts with
new parts as required.
SLubricate (1) diaphragm rod and (2) O" ring with Key-LubeR grease.
SUse ARO pn / 98930-T bullet (installation tool) to aid in installation of
(2) O" ring on (1) diaphragm rod.
SBe certain (7) or (7 / 8) diaphragm(s) align properly with (15) fluid
caps before making final torque adjustments on bolt and nuts to
avoid twisting the diaphragm.
SFor models with Teflon diaphragms: Item (8) Santoprene diaphragm
is installed with the side marked AIR SIDE" towards the pump cen-
ter body. Install the Teflon diaphragm with the side marked FLUID
SIDE" towards the fluid cap.
SRe-check torque settings after pump has been re-started and run a
while.
S VitonR, TeflonR and HytrelR are trademarks of the DuPont Company, S KynarR is a trademark of Penwalt Corp. S LoctiteR is a registered trademark of Henkel Loctite Corporation S
S SantopreneR is a registered trademark of Monsanto Company, licensed to Advanced Elastomer Systems, L.P. S Key-LubeR is a registered trademark of Key Industries S
MATERIAL CODE
[A] = Aluminum
[B] = Nitrile
[C] = Carbon Steel
[CI] = Cast Iron
[Co] = Copper
[D] = Acetal
[E] = E.P.R.
[H] = Hytrel
[K] = P.V.D.F. (Kynar)
[N] = Neoprene
[P] = Polypropylene
[SP] = Santoprene
[SH] = Hard Stainless Steel
[SS] = Stainless Steel
[T] = Teflon
[U] = Polyurethane
[V] = Viton
637167
ABRASION RESISTANT
CONVERSION KITS INCLUDE:
21" Seat 93367-1 (4)
22" Ball 90532-8 (4)
66610X-X-CPage 4 of 8
PARTS LIST / 66610X-X-C FLUID SECTION
L637119-XX-C Fluid Section Service Kits include: Balls (see BALL Option, refer to -XX in chart below), Diaphragms (see DIAPHRAGM Option, refer to
-XX in chart below), plus items: 2, 3, 19 and 93706-1 Key-Lube grease.
SEAT OPTIONS
6661XX-XXX-C
BALL OPTIONS 6661XX-XXX-C
21" L 22" (1" dia.) (Service Kit -XX)
-XXX Seat Qty [Mtl] -XXX Ball Qty [Mtl] -XXX Ball Qty [Mtl]
-1XX 92008 (4) [A] -X1X 90532-1 (4) [N] -X6X 90532-6 (4) [D]
-2XX 90428 (4) [SS] -X2X 90532-2 (4) [B] -X8X 90532-8 (4) [U]
-3XX 92926 (4) [P] -X3X 90532-3 (4) [V] -XAX 90948 (4) [SS]
-4XX 92941 (4) [K] -X4X 90532-4 (4) [T] -XCX 90532-C (4) [H]
-5XX 95675 (4) [C] -X5X 90532-5 (4) [E] -XEX 90532-A (4) [SP]
-8XX 93367-1 (4) [SH]
DIAPHRAGM OPTIONS 66610X-XXX-C
L SERVICE KIT L 7" L 8" L 3" L 19"
-XXX
-XX = (Ball)
-XX = (Diaphragm) Diaphragm Qty [Mtl] Diaphragm Qty [Mtl]
O" Ring
1/16" x 5/8" o.d. Qty [Mtl]
O" Ring
3/32" x 1-9/16" o.d. Qty [Mtl]
-XX1 637119-X1-C 90533-1 (2) [N] −−−−− −−− −−− Y325-14 (4) [B] Y325-126 (4) [B]
-XX2 637119-X2-C 90533-2 (2) [B] −−−−− −−− −−− Y325-14 (4) [B] Y325-126 (4) [B]
-XX3 637119-X3-C 90533-3 (2) [V] −−−−− −−− −−− Y328-14 (4) [T] Y327-126 (4) [V]
-XX4 637119-X4-C 93459-4 (2) [T] 92973-B (2) [SP] Y328-14 (4) [T] Y328-126 (4) [T]
-XX5 637119-X5-C 90533-5 (2) [E] −−−−− −−− −−− Y328-14 (4) [T] 90534 (4) [E]
-XX9 637119-X9-C 90533-9 (2) [H] −−−−− −−− −−− Y328-14 (4) [T] Y327-126 (4) [V]
-XXB 637119-XB-C 90533-B (2) [SP] −−−−− −−− −−− Y328-14 (4) [T] 90534 (4) [E]
MANIFOLD / FLUID CAP MATERIAL OPTIONS 6661XX-XXX-C
Aluminum Stainless Steel Cast Iron
6661X0-X, 6661XA-X 6661X1-, 1X9-, 1XB-, 1XD- 6661X2-X, 6661XC-X
N.P.T.F. BSP N.P.T.F. BSP N.P.T.F. BSP
Item Description (size) Qty Part No. Part No. [Mtl] Part No. Part No. [Mtl] Part No. Part No. [Mtl]
15 Fluid Cap (2) 94945 94945 [A] 91045 91045 [SS] 94277 94277 [CI]
16 Manifold (6661X0, 1X1, 1X2, 1XA, 1XB, 1XC) (2) 92001 92001-1 [A] 91044 91044-1 [SS] 94278 94278-1 [CI]
17 Outlet Manifold (6661X9-, 6661XD- only) (2) −−−−− −−−−− −−− 92846 92846-1 [SS] −−−−− −−−−− −−−
18 Inlet Manifold (6661X9-, 6661XD- only) (2) −−−−− −−−−− −−− 92847 92847-1 [SS] −−−−− −−−−− −−−
23 Spring (6661X9-, 6661XD- only) (2) −−−−− −−−−− −−− 22155 22155 [SS] −−−−− −−−−− −−−
HARDWARE OPTIONS 6661XX-XXX-C
Carbon Steel Stainless Steel
6661X0-, 1-, 2-, 9- 6661XA-, B-, C-, D-
Item Description (size) Qty Part No. [Mtl] Part No. [Mtl]
5Washer - Air Side (3-5/8" o.d.) (2) 93441-2 [C] 93441-1 [SS]
24 Washer - models 6661X9 and 6661XD only (5/16") (8) Y13-5-C [C] Y13-5-T [SS]
26 Bolt (5/16" - 18 x 1") (8) Y6-55-C [C] Y6-55-T [SS]
29 Nut (5/16" - 18) (16) Y12-5-C [C] Y12-5-S [SS]
COMMON PARTS
Item Description (size) Qty Part No. [Mtl] Item Description (size) Qty Part No. [Mtl]
V 1 Rod (1) 98724-1 [C]
L 2 O" Ring (3/32" x 3/4" o.d.) k(1) Y330-113 [B]
V 6 Washer - Fluid Side (2) 93441-1 [SS]
models 6661X0 and 6661X2 only (2) 93441-2 [C]
9Washer (0.505" i.d.) (2) 93189-1 [SS]
14 Screw (1/2" - 20 x 1") (2) Y5-85-T [SS]
43 Ground Lug (see page 7) (1) 93004 [Co]
kService Note: Fluid Section Service Kits also include part no. 93131 (5) O" rings for repair of -B" (pre - 8/89) models.
Service Note: Part no. 98930-T installation tool is available separately for use with items 1 and 2.
VSmart Parts", keep these items on hand in addition to the service kits for fast repair and reduction of down time.
Page 5 of 866610X-X-C
PARTS LIST / 66610X-X-C FLUID SECTION
2 k
d 5
78
9 14 , z
15
16
18
19 k
21
22
24
29 ,
21
22
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 & 7
View for -X44 (Teflon diaphragm) configuration only.
d NOTE: Radius edge of parts (5 and 6) is against diaphragm.
AIR SIDE
SANTOPRENE
(GREEN when
used as backer)
FLUID SIDE
TEFLON
(WHITE)
26 , U
17
OPTIONAL
1/2 - 14 N.P.T.
91046
3/4 - 14 N.P.T.
3/4 - 14 N.P.T.
1’’ OUTLET
1’’ INLET
Air Inlet
Figure 2
COLOR CODE
DIAPHRAGM BALL
MATERIAL COLOR COLOR
Acetal N/A Orange
Nitrile Red (−) Red (S)
E.P.R. Blue (−) Blue (S)
Hytrel Cream Cream
Neoprene Green (−) Green (S)
Santoprene Cream*Cream
T.F.E. (Teflon) White White
Urethane N/A Red
Viton Yellow (−) Yellow (S)
(−) Stripe (S) Dot
* See item 8 in inset below.
. TORQUE REQUIREMENTS ,
LUBRICATION / SEALANTS
zApply Loctite 271 to threads.
kApply Key-Lube to all O" rings, U" Cups & mating parts.
UApply anti-seize compound to threads and bolt and nut
flange heads which contact pump case when using stain-
less steel fasteners.
NOTE: DO NOT OVERTIGHTEN FASTENERS
(14) Bolt, 25 - 30 ft lbs (33.9 - 40.7 Nm).
(26) Bolts and (29) nuts, 120 - 140 in. lbs (13.6 - 15.8 Nm).
19 k
16
26 , U
21
22
19 k
6661X9-XXX-C
6661XD-XXX-C
6661X9-XXX-C
6661XD-XXX-C
23
Air
Side
Fluid
Side
Cross Section View of Diaphragms
1
8
6
42
3
7
5
Torque Sequence
26 , U
Air
Side
Fluid
Side
d 6 k 37k 31
24
26 , U
66610X-X-CPage 6 of 8
PARTS LIST / 66610X-X-C AIR MOTOR SECTION
nIndicates parts included in 637118-C Air Section Service Kit.
SERVICE KIT NOTE: Service Kit 637118-C is a general repair kit for all 1" and larger ARO diaphragm pump air motors. It contains extra
O" rings and extra parts that may not be needed to service this model.
Item Description (size) Qty Part No. [Mtl] Item Description (size) Qty Part No. [Mtl]
101 Motor Body (models 66610X, 66612X) (1) 94743 [A]
(models 66611X, 66613X) (1) 94741 [CI]
n 102 O" Ring (1/16" x 1" o.d.) (2) Y325-20 [B]
V 103 Sleeve (1) 94527 [D]
n 104 Retaining Ring, TruArc (0.925" i.d.) (2) Y145-25 [C]
105 Screw/Wshr (1/4"-20 x 5/8") (-XX0, 1, 2, 9) (8) 93860 [C]
Cap Screw (1/4"-20 x 5/8") (-XXA, B, C, D) (8) Y6-42-T [SS]
106 Lockwasher (1/4") (6661XA, 1XB, 1XC, 1XD) (8) Y14-416-T [SS]
107 Leg (models 6661X0, 1X1, 1X2, 1X9)(2) 92003 [C]
(models 6661XA, 1XB, 1XC, 1XD)(2) 92003-1 [SS]
n 108 Gasket (with notch) (1) 92878 [B/Ny]
V 109 Piston (1) 92011 [D]
n 110 U" Cup (3/16" x 1-3/8" o.d.) (1) Y186-51 [B]
V 111 Spool (models 66610X, 66612X) (1) 92005 [A]
(models 66611X, 66613X) (1) 93047 [C]
V 112 Washer (1.557" o.d.) (5) 92877 [Z]
n 113 O" Ring (small) (1/8" x 1-1/4" o.d.) (5) Y325-214 [B]
n 114 O" Ring (large) (3/32" x 1-9/16" o.d.) (6) Y325-126 [B]
V 115 Spacer (4) 92876 [Z]
V 116 Spacer (1) 92006 [Z]
n 117 Gasket (1) 92004 [B/Ny]
118 Pilot Rod (1) 93309-1 [C]
n 119 O" Ring (1/8" x 3/4" o.d.) (4) 93075 [U]
120 Spacer (3) 115959 [Z]
121 Sleeve Bushing (2) 98723-1 [Bz]
n 122 O" Ring (3/32" x 9/16" o.d.) (2) 94820 [U]
n 123 Screw (#8 - 32 x 3/8") (4) Y154-41 [C]
124 Stud (5/16" - 18 x 1-3/4") (6661X0, 1X1, 1X2, 1X9) (16) 92866 [C]
(5/16" - 18 x 1-3/4") (6661XA, 1XB, 1XC, 1XD) (16) 92866-1 [SS]
128 Pipe Plug (1/8 - 27 N.P.T. x 1/4") (1) Y227-2-L [C]
133 Lockwasher (1/4") (1) Y14-416-T [SS]
197 Button Head Screw (1/4" - 20 x 1/4") (2) 94987 [SS]
198 Button Head Screw (1/4" - 20 x 3/8") (1) 94987-1 [SS]
201 Muffler (1) 93110 [C]
nKey-Lube O" Ring Lubricant (1) 93706-1
10 Pak of Key-Lube 637175
nService Kits include: Y212-101 (2) screws (#10 - 32 x 1/4") used on units mf’d be-
tween 8/90 and 4/92 to retain the pilot bushing.
AIR MOTOR SECTION SERVICE
Service is divided into two parts − 1. Pilot Valve, 2. Major Valve.
GENERAL REASSEMBLY NOTES:
SAir Motor Section Service is continued from Fluid Section repair.
SInspect and replace old parts with new parts as necessary. Look for
deep scratches on metallic surfaces, and nicks or cuts in O" rings.
STake precautions to prevent cutting O" rings upon installation.
SLubricate O" rings with Key-Lube grease.
SDo not over-tighten fasteners, refer to torque specification block on
view.
SRe-torque fasteners following restart.
PILOT VALVE DISASSEMBLY
1. Remove (104) retaining ring.
2. Remove (123) screws and (122) O" rings.
3. Remove (118) piston rod, (121) sleeve bushing, (119) O" rings and
(120) spacers from the (101) motor body.
4. Remove (103) sleeve and (102) O" rings.
PILOT VALVE REASSEMBLY
1. Replace two (102) O" rings, if worn or damaged, and reinstall (103)
sleeve.
2. Install one of the (121) sleeve bushings, (119) O" rings, (120)
spacers and the remaining (121) bushing.
3. Carefully push (118) pilot rod into bushings etc. and retain on each
end with the two (122) O" rings, retain with (123) screws.
4. Replace (104) retaining rings.
nParts Y145-26 (1.156" i.d.) (qty 2) retaining rings and Y325-24 O" rings
(qty 2) are included in the service kit for the repair of larger pumps.
MATERIAL CODE
[A] = Aluminum [CI] = Cast Iron [U] = Polyurethane
[B] = Nitrile [D] = Acetal [SS] = Stainless Steel
[Bz] = Bronze [Ny] = Nylon [Z] = Zinc
[C] = Carbon Steel
MAJOR VALVE DISASSEMBLY
1. Remove (107) plate (or leg depending on model), (108 and 117)
gaskets.
2. On the side opposite the air inlet, push on the inner diameter (111)
spool. This will force the (109) piston out. Continue pushing the (111)
spool and remove. Check for scratches and gouges.
3. Reach into the air section (exhaust side) and remove (116) spacer,
(115) spacers, (113) O" rings, (114) O" rings, (112) washers, etc.
Check for damaged O" rings.
MAJOR VALVE REASSEMBLY
1. Replace (112) washer, (114) O" ring and (113) O" ring onto (115)
spacer and insert etc.
NOTE: Be careful to orient spacer legs away from blocking in-
ternal ports.
2. Lubricate and carefully insert (111) spool.
3. Install (117) gasket and (107).
4. Lubricate and install (110) packing cup and insert (109) piston into
(air inlet side) cavity, the (110) packing cup lips should point outward.
5. Install (108) gasket and replace (107).
V Smart Parts", keep these items on hand in addition to the service kits for fast repair and reduction of down time.
Page 7 of 866610X-X-C
PARTS LIST / 66610X-X-C AIR MOTOR SECTION
MAJOR VALVE
See cross section detail, figure 4.
PILOT VALVE
101
118 k
111
112
k 113
k 114
115 116
117
119 k
103 k
104
123 H
121
122 k
120
107
108
109
110 k
106
. 105
IMPORTANT
BE CERTAIN TO ORIENT (115) SPACER LEGS
AWAY FROM BLOCKING INTERNAL PORTS
WHEN REASSEMBLING AIR SECTION.
MAJOR VALVE CROSS SECTION DETAIL
109 110 k112 114 k113 k115 111 k116
Figure 3
Figure 4
124
. TORQUE REQUIREMENTS ,
NOTE: DO NOT OVERTIGHTEN FASTENERS
(105) 40 - 50 in. lbs (4.5 - 5.6 Nm).
LUBRICATION / SEALANTS
kApply Key-Lube grease to all O" rings, U" Cups & mating parts.
zApply Loctite 271 to threads.
HApply Loctite 262 to threads.
gApply Loctite 572 to threads.
102 k
g 128
104
121
H 123
107
z 197
197 z
106
105 ,
43
133
z 198
201
66610X-X-CPage 8 of 8
TROUBLE SHOOTING
Product discharged from exhaust outlet.
SCheck for diaphragm rupture.
SCheck tightness of (14) diaphragm screw.
Air bubbles in product discharge.
SCheck connections of suction plumbing.
SCheck O" rings between intake manifold and fluid caps.
SCheck tightness of (14) diaphragm screw.
Low output volume, erratic flow, or no flow.
SCheck air supply.
SCheck for plugged outlet hose.
SCheck for kinked (restrictive) outlet material hose.
SCheck for kinked (restrictive) or collapsed inlet material hose.
SCheck for pump cavitation − suction pipe should be sized at least as
large as the inlet thread diameter of the pump for proper flow if high
viscosity fluids are being pumped. Suction hose must be a non-col-
lapsing type, capable of pulling a high vacuum.
SCheck all joints on the inlet manifolds and suction connections.
These must be air tight.
SInspect the pump for solid objects lodged in the diaphragm chamber
or the seat area.
DIMENSIONAL DATA
(Dimensions shown are for reference only, they are displayed in inches and millimeters (mm).
8" (203 mm)
12-1/2"
(318 mm)
11-9/16"
(294 mm)
8-9/16"
(217.5 mm)
4" (102 mm)
1-1/4" (32 mm)
7-5/16" (186 mm)
Air Inlet
1/4 - 18 N.P.T.F. - 1
13/32" Slot (10 mm)
Figure 5
6-1/4" (159 mm)
6-1/2"
(165 mm)
Outlet
Inlet
1 - 11-1/2 N.P.T.F. - 1 (66610X, 66611X)
Rp 1 (1 - 11 BSP parallel) (66612X, 66613X)
1 - 11-1/2 N.P.T.F. - 1 (66610X, 66611X)
Rp 1 (1 - 11 BSP parallel) (66612X, 66613X)
PN 97999-100

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