OPERATOR’S MANUAL
650442-XXX
RELEASED:
REVISED:
(REV. 02)
1-11-08
6-2-10
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, TROUBLESHOOTING.
INCLUDE MANUALS: 6544X-X Air Motor (pn 97999-64), 66236-XXX-B Lower Pump End (pn 97999-489) &
S-632 General Information Manual (pn 97999-624).
4-1/4” AIR MOTOR
650442-XXX
4:1 RATIO
CHOP-CHECK PUMP SERIES
6” STROKE
Carbon Steel
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 ARO® replacement parts to assure compat-
ible pressure rating and longest service life.
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MODEL 650442-XXX
61268 for repair of air motor section.
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Air Exhaust (female)
1-1/4 - 11-1/2 N.P.T.F. - 1
637128-XX4-B for repair of lower pump end. Refer to the chart
on page 2 for description of -XX4 options.
Air Inlet (female)
1/2 - 14 N.P.T.F. - 1
SPECIFICATIONS
(refer to option chart)
Model Series
. . . . . . . . . . . 650442-XXX
“A”
65462 Air Motor
(see manual 6544X-X)
Pump Type. . . . . . . . . . . . . . . . . . . . . . . . . . . Air Operated, Chop-Check
Double Acting Pump
Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4:1
Air Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65462
Motor Repair Kit. . . . . . . . . . . . . . . . . . . . . . . 61268
Spacer Section
Connector (see figure 2)
Motor Diameter . . . . . . . . . . . . . . . . . . . . . . . 4-1/4”(10.8 cm)
Stroke (double acting). . . . . . . . . . . . . . . . . 6”(15.2 cm)
Air Inlet (female) . . . . . . . . . . . . . . . . . . . . . . . 1/2 - 14 N.P.T.F. - 1
Air Exhaust (female). . . . . . . . . . . . . . . . . . . . 1-1/4 - 11-1/2 N.P.T.F. - 1
Lower Pump End Series . . . . . . . . . . . . . . . . . . 66236-XXX-B
Lower Pump Repair Kit . . . . . . . . . . . . . . . . 637128-XX4-B
Material Outlet (female) . . . . . . . . . . . . . . . 1-1/2 - 11-1/2 N.P.T.F. - 1
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
96038 Spacer Rod (3)
“B”
79186 Hex Cap Screw (3)
Material Outlet (female)
1 - 11-1/2 N.P.T.F. - 1
(4° from air exhaust)
PUMP PERFORMANCE
66236-XXX-B Lower Pump
“C”
“D”
Air Inlet Pressure Range . . . . . . . . . 30 - 150 p.s.i.g. (2.1 - 10.3 bar)
Fluid Pressure Range . . . . . . . . . . . . 120 - 600 p.s.i.g. (8.3 - 41.4 bar)
Maximum Rec'd Cycles / Minute . . . . . . . . . 70
(see manual 66236-XXX-B)
Displacement In.3 Per Cycle . . . . . . . . . . . . . . 40.4
Volume / Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.4 oz. (661.8 ml)
Cycles Per Gallon . . . . . . . . . . . . . . . . . . . . . . . . 5.7
Flow @ 70 Cycles / Minute. . . . . . . . . . . . . . . . 12.2 g.p.m. (46.3 l.p.m.)
Noise Level @ 60 p.s.i. - 40 c.p.m. . . . . . . 81.8 db(A)
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Figure 1
Accessories Available . . . . . . . . . . . . . . . . 66542 Wall Mount Bracket
NOTE: Dimensions are shown in inches and (mm) and are supplied for reference only.
(mm) (mm) (mm) “D” (mm)
(73.1)
65139 Floor Mount
91790 Silencer
“A”
49-3/4”
“B”
32-17/32"
“C”
(506.4)
19-15/16"
(1263.0)
(826.4)
2-7/8”
Tested with 91790 silencer installed.
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The pump sound pressure level has been updated to an Equivalent Continuous
Sound Level (LAeq) to meet the intent of ANSI S1.13-1971, CAGI-PNEUROP S5.1
using four microphone locations.
IMPORTANT
This is one of four documents which support the pump. Re-
placement copies of these forms are available upon request.
650442-XXX-C Model Operator’s Manual (pn 97999-1190)
S-632 General Information - Industrial Piston Pumps (pn
97999-624)
6544X-X Air Motor Operator’s Manual (pn 97999-64)
66236-XXX-B Lower Pump End Operator’s Manual (pn 97999-489)
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INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
© 2010
CCN 15258072
(800) 495-0276 FAX (800) 892-6276
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