OPERATOR’S MANUAL
65875--XC
INCLUDING: SPECIFICATIONS, SERVICE KITS, PARTS, TROUBLESHOOTING
INCLUDE MANUAL: S--633 GENERAL INFORMATION (PN 97999--625)
RELEASED: 8--1--95
REVISED:
6--4--10
(REV. C)
BASIC PUMP
CHOP--CHECK TYPE
4--1/4” AIR MOTOR
46:1 RATIO
0 -- 6900 PSI RANGE
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
PUMP DATA
• Use only genuine AROR replacement parts to assure compatible
pressure rating and longest service life.
65875-XC BASIC PUMP
• 61268 for repair of Air Motor section.
Service Note: The Air Motor Service/Parts Manual is not shipped
with the pump but it is included with each Service Kit. If this Service/
PartsInformationisneeded,requesttheAirMotorOperator’sManu-
al from ARO. (Manual 6544X--X, PN 97999--64).
Air Inlet (female)
1/2” -- 14 NPTF
• 637056 for repair of Lower Pump section (Leather Packings).
• 637057 for repair of Lower Pump section (PTFE Packings).
• 637280 for repair of Lower Pump section (UHMW-PE Pack-
ings).
65445--B
Air Motor
35 11/32”
(897.7 mm)
SPECIFICATIONS
Model Series . . . . . . . . . . . . . . 66875--XC
Type . . . . . . . . . . . . . . . . . . . . Air Operated, Basic Pump
Chop--Check
65874 Adapter Kit
See Fig. 2
Ratio . . . . . . . . . . . . . . . . . . . . 46:1
Air Motor Diameter . . . . . . . . . 4--1/4’’ (108 mm)
Stroke . . . . . . . . . . . . . . . . . . 4’’ (102 mm)
Air Inlet . . . . . . . . . . . . . . . . . 1/2” -- 14 NPTF -- 1 (f)
Material Inlet . . . . . . . . . . . . . Immersed or Follower Plate
Material Outlet . . . . . . . . . . . 1/2” -- 14 NPTF -- 1 (f)
Pump Construction . . . . . . . Carbon Steel
Dimensional Data . . . . . . . . . . See Fig.1
Material Outlet (female)
1/2” -- 14 NPTF
21 15
(545.3
65873--X
Lower Pump
PERFORMANCE
Air Inlet Pressure Range . . . . . 0 -- 150 PSI (0 -- 10.3 bar)
Fluid Pressure Range . . . . . . . 0 -- 6900 PSI (0 -- 475 bar)
Displacement In3 Per Cycle . . . 2.5
Cycles Per Gallon . . . . . . . . . . 92.8
Mat’l Inlet
(Immersed)
Noise Level* -- 81.8 db(A) @ 60 psi, 40 cycles per minute
* The pump sound pressure level has been updated to an Equivalent Continuous Sound
Level (L ) to meet the intent of ANSI S1. 13--1971, CAGI--PNEUROP S5.1 using four
Aeq
FIGURE 1
microphone locations.
NOTE: Dimensions are shown in inches and (mm), supplied for reference only
and are typically rounded up to the nearest 1/16 inch.
GENERAL DESCRIPTION
This model is designed for delivery of heavy viscosity fluids such as
grease. Material dispensing accessories and supply lines and fittings
must be capable of withstanding pressures developed by pump.
IMPORTANT
This is one of two documents which support the pump.
Replacement copies of these forms are available upon request.
= 65875-XC MODEL OPERATOR’S MANUAL
- S-633 GENERAL INFORMATION LUBRICATION PISTON PUMPS
OPERATING AND SAFETY PRECAUTIONS
WARNING Read the General Information Manual for operat-
ing and safety precautions and important information.
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276 FAX(800) 892-6276
© 2010
PARTS LIST / LOWER PUMP SECTION
ITEM Description
Qty Part No.
1 Washer
2 Female Washer
n3 Packing (65873) Leather
Packing (65873-1) PTFE
Packing (65873-4) UHMW-PE
4 Male Washer
n5 Bowed Washer
-6 Piston Rod
7 Tube & Sleeve
8 Connector
1
1
5
5
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
90747
90748
93714-1
93714-2
93714-4
90749
90744
90753
65871
90738
90136
Y147-77
90757
90756
4170
1
2
3
4
5
21
6
:
9 Washer
n10 Retaining Ring
n11 ‘‘U” Cup
12 Body
13 Sleeve
n14 Gasket
15 Valve Seat
16 Rod
17 Primer Tube
18 Washer
19 Washer
20 Stop Nut
7
92845
4169
8
90739
92485
90133
90686
Y109-428
90741
:
9
21 Washer
10
11
12
nPARTS INDICATED ARE INCLUDED IN 637056, 637057 &
637280 SERVICE KITS
13
14
PUMP REASSEMBLY
1. Place(21)washer,(5)bowedwasher,(4)malewasher, (3)packings
and (2) female washer into (7) tube and sleeve. Slide piston rod
through upper packings and screw (8) connector into (6) piston rod.
2. Screw(16)rodinto(8)connector.Place(15)valveseat,(14)gasket,
and (13) sleeve into (17) primer tube.
15
16
3. Place (9) washer over (16) rod and into position next to (7) tube and
sleeve.
4. Place (12) body, (11) ‘‘U” cup and (10) retaining ring onto (16) rod.
5. Install (1) gasket in throat of air motor base.
6. Thread rod assembly into piston rod of air motor.
17
18
19
20
:
APPLY LOCTITE 271 TO THREADS
FIGURE 3
PAGE 3 OF 4
TROUBLE SHOOTING
No Material. (Stalled Pump.)
• Obstructed Material Line. Disconnect air supply. Relieve all fluid
pressure in pump. Remove Obstruction in system.
No Material (Pump Continually Cycles.)
• Empty material supply. Shut down system. Replenish material sup-
ply.
Material on one stroke only. (Fast Downstroke.)
• Item (11) ‘‘U” Cup is worn. Remove the ‘‘U” Cup. Replace ‘‘U” Cup.
Material on one stroke only. (Fast Upstroke.)
• Item (12) body seat is not properly seating on (15) valve seat. Re-
move the seat. Clean and inspect body and seat. If either is dam-
aged. replace with new parts.
PN 97999-661
PAGE 4 OF 4
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