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OPERATOR’S MANUAL
RELEASED: 8--1--95
REVISED: 6--4--10
(REV. C)
4--1/4” AIR MOTOR
46:1 RATIO
0 -- 6900 PSI RANGE
INCLUDE MANUAL: S--633 GENERAL INFORMATION (PN 97999--625)
INCLUDING: SPECIFICATIONS, SERVICE KITS, PARTS, TROUBLESHOOTING
BASIC PUMP
CHOP--CHECK TYPE
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.
65875--XC
SERVICE KITS
• Use only genuine AROR replacement parts to assure compatible
pressure rating and longest service life.
• 61268 for repair of Air Motor section.
Service Note: The Air Motor Service/Parts Manual is not shipped
with thepump butit isincluded witheach Service Kit.If thisService/
PartsInformationisneeded,requesttheAirMotorOperator’sManu-
al from ARO. (Manual 6544X--X, PN 97999--64).
• 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).
SPECIFICATIONS
Model Series 66875--XC..............
Type Air Operated, Basic Pump....................
Chop--Check
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..........
PERFORMANCE
Air Inlet Pressure Range 0 -- 150 PSI (0 -- 10.3 bar).....
Fluid Pressure Range 0 -- 6900 PSI (0 -- 475 bar).......
Displacement In
3
Per Cycle 2.5...
Cycles Per Gallon 92.8..........
Noise Level* -- 81.8 db(A) @ 60 psi, 40 cycles per minute
* Thepumpsound pressure level hasbeen updatedto anEquivalentContinuous Sound
Level (L
Aeq
) to meet the intent ofANSI S1. 13--1971, CAGI--PNEUROP S5.1 using four
microphone locations.
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.
OPERATING AND SAFETY PRECAUTIONS
WARNING
Read the General Information Manual for operat -
ing and safety precautions and important information.
PUMP DATA
FIGURE 1
Air Inlet (female)
1/2” -- 14 NPTF
Material Outlet (female)
1/2” -- 14 NPTF
NOTE: Dimensions areshown ininches and(mm), supplied for referenceonly
and aretypically roundedup tothe nearest 1/16 inch.
Air Motor
65445--B
Mat’l Inlet
(Immersed)
65873--X
Lower Pump
35 11/32”
(897.7 mm)
21 15/32”
(545.3 mm)
See Fig. 2
65875-XC BASIC PUMP
65874 Adapter Kit
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 I NFORMATION LUBRICA TION P ISTON P UMPS
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276 FAX(800) 892-6276
© 2010
www.ingersollrandproducts.com