INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276 y FAX (800) ) 892-6276 © 2010 CCN 99745457
www.ingersollrandproducts.com
OPERATOR’S MANUAL 650639-XXX
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, TROUBLESHOOTING.
INCLUDE MANUALS: 6564X-X Air Motor (pn 97999-174), 6720X-XXX Lower Pump End (pn 97999-788) & S-632
General Information Manual (pn 97999-624).
RELEASED: 8-28-98
REVISED: 6-2-10
(REV. D)

650639-XXX

FOUR-BALL PUMP SERIES

300 Series Stainless 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.
6” AIR MOTOR
4:1 RATIO
6” STROKE

SERVICE KITS

Use only genuine ARO® replacement parts to assure compat-
ible pressure rating and longest service life.
61355 for repair of air motor section.
637317-X4B for repair of lower pump end. Refer to the chart
on page 2 for description of -X4B options.

SPECIFICATIONS

Model Series (refer to option chart) . . . . . . . . . . . 650639-XXX
Pump Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Operated, Four-Ball
Double Acting Pump
Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4:1
Air Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65665-B
Motor Repair Kit . . . . . . . . . . . . . . . . . . . . . . . 61355
Motor Diameter . . . . . . . . . . . . . . . . . . . . . . . 6” (15.2 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 . . . . . . . . . . . . . . . . . . 67200-X4B
Lower Pump Repair Kit . . . . . . . . . . . . . . . . 637317-X4B
Material Inlet (female) . . . . . . . . . . . . . . . . . 1-1/2 - 11-1/2 N.P.T.F. - 1
(male) . . . . . . . . . . . . . . . . . . . 2 - 11-1/2 P.T.F. SAE short
Material Outlet (female) . . . . . . . . . . . . . . . 1 - 11-1/2 N.P.T.F. - 1
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.25 lbs (32.3 kgs)
PUMP PERFORMANCE
Air Inlet Pressure Range . . . . . . . . . . 30 - 150 p.s.i.g. (2.1 - 10.3 bar)
Fluid Pressure Range . . . . . . . . . . . . . 120 - 633 p.s.i.g. (8.3 - 43.7 bar)
Maximum Rec'd Cycles / Minute . . . . . . . . . 60
Displacement In.3 Per Cycle . . . . . . . . . . . . . . 82.1
Volume / Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . 45.5 oz. (1344 ml)
Cycles Per Gallon . . . . . . . . . . . . . . . . . . . . . . . . 2.8
Flow @ 60 Cycles / Minute . . . . . . . . . . . . . . . . 21.3 g.p.m. (80.7 l.p.m.)
Noise Level @ 60 p.s.i. - 40 c.p.m. c . . . . . . 84.8 db(A)d
Accessories Available . . . . . . . . . . . . . . . . 66101 Wall Mount Bracket
67187-1 Mounting Post
91790 Silencer
c Tested with 91790 silencer installed.
d 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.
y
y
y

PUMP DATA

“A”
“B”
“C”
IMPORTANT
This is one of four documents which support the pump. Re-
placement copies of these forms are available upon request.
: 650639-XXX Model Operator’s Manual (pn 97999-790)
S-632 General Information - Industrial Piston Pumps (pn
97999-624)
6720X-XXX Lower Pump End Operator’s Manual (pn 97999-788)
6564X-X Air Motor Operator’s Manual (pn 97999-174)
Figure 1

MODEL 650639-XXX

NOTE: Dimensions are shown in inches and (mm) and are supplied for reference only.
Air Inlet (female)
1/2 - 14 N.P.T.F. - 1
Material Outlet (female)
1 - 11-1/2 N.P.T.F. - 1
(30° from air exhaust)
65665-B Air Motor
(see manual 6564X-X)
Material Inlet (male)
2 - 11-1/2 P.T.F. SAE Short
67200-X4B Lower Pump
(see manual 6720X-XXX)
Spacer Section
Connector (see  gure 2)
Y85-29-C Nut (3)
94674 Spring
94209 Spacer Rod (3)
“A” (mm) “B”
(mm) “C”
(mm)
42-13/16” (1087.3) 22"
(558.6) 19-9/16"
(496.3)
Material Inlet (female)
1-1/2 - 11-1/2 N.P.T.F. - 1