OPERATOR’S MANUAL 650940-X-B
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, TROUBLESHOOTING
INCLUDE MANUALS: 6694X-X Lower Pump End (pn 97999-12), 67314-B Hydraulic Motor (pn 97999-1220) &
S-632 General Information Manual (pn 97999-624)
4.125 SQ.” HYDRAULIC MOTOR
0.8:1 RATIO
6” STROKE
TWO BALL PUMP SERIES
650940-XXD-B
400 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.
RELEASED: 1-14-00
REVISED: 10-13-11
(REV. H)
SERVICE KITS
• Use only genuine AROR replacement parts to assure compatible
pressure rating and longest service life.
• 637450 for repair of hydraulic motor section.
• 637211-XX3 for repair of lower pump section. Refer to the chart
on page 2 for description of -XXD options.
SPECIFICATIONS
Model Series (refer to option chart) 650940-XXD-B. . . . . . . .
Type Hydraulic Operated, Two-Ball Double Acting Pump. . . . . . . .
Ratio 0.8:1. . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic Motor 67314-B. . . . . . . . . . . . . . . . .
Motor Repair Kit 637450. . . . . . . . . . . . . . .
Motor Size 4.125 sq." (26.6 sq. cm). . . . . . . . . . . . . . . . . . .
Stroke 6" (15.2 cm). . . . . . . . . . . . . . . . . . . . . .
Hydraulic Inlet (female) 1/2 - 14 N.P.T.F. - 2. . . . . . . . . .
Hydraulic Return (female) 3/4 - 14 N.P.S.M.. . . . . . . .
Lower Pump End Series 66941-XXD. . . . . . . . . .
Lower Pump Repair Kit 637211-XX3. . . . . . . . .
Material Inlet (male) 2 - 11-1/2 N.P.T.F. - 1. . . . . . . . . . . .
Material Outlet (female) 1-1/4 - 11-1/2 N.P.T.F. - 1. . . . . . . . .
Weight 140 lbs (63.5 kgs). . . . . . . . . . . . . . . . . . . . . . . .
PERFORMANCE
Hydraulic Inlet Pressure Range 50 - 2000 p.s.i. (3.4 - 137.9 bar)
Fluid Pressure Range 40 - 1600 p.s.i. (2.8 - 110.3 bar). . . . . . .
Maximum Rec’d Cycles / Minute 50. . . .
Displacement In
Volume / Cycle 33.0 oz. (976.3 ml). . . . . . . . . . . . . . . . . .
Cycles Per Gallon 3.9. . . . . . . . . . . . . . .
Flow @ 50 Cycles / Minute 12.9 g.p.m. (48.8 l.p.m.). . . . . . . . .
Noise Level . . . . . . . . . . . . . . . . . . N/A
3
Per Cycle 59.6. . . . . . . .
PUMP DATA
MODEL 650940-XXD-B
K Items included in 67322 Motor
and Tie Rod Assembly.
Hydraulic Inlet (female)
1/2 - 14 N.P.T.F. - 2
47-7/8"
(1216.0 mm)
33-1/2"
(850.9 mm)
14-13/16"
(376.2 mm)
Material Inlet
Accessories Available: 65138 Floor Mount, 62151 Wall Mount Bracket,
67136 Floor / Follower Adapter.
Hydraulic Motor 67322 K
(see manual 67314-B)
Spacer Section
Cap Screw Y6-130-C (3) K
Lock Washer Y14-750-K (3) K
Connector (see figure 2)
Spacer Rod 95907 (3) K
Cap Screw Y6-128−C (3)
Lockwasher Y14-750-K (3)
Material Outlet (female)
1-1/4 - 11-1/2 N.P.T.F. - 1
(95_ from hydraulic inlet)
Lower Pump 66941-XXD
(see manual 6694X-X)
2 - 11-1/2 N.P.T.F. - 1 (male)
Figure 1
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276 FAX(800) 892-6276
www.ingersollrandproducts.com
© 2011
IMPORTANT
This is one of the four documents which support the pump. Replacement copies of these forms are available upon request.
= 650940-X-B Model Operator’s Manual (pn 97999-885)
- S-632 General Information − Industrial Piston Pumps (pn 97999-624)
- 6694X-X Lower Pump End Operator’s Manual (pn 97999-12)
- 67314-B Hydraulic Motor Operator’s Manual (pn 97999-1220)
CCN 99835019
PUMP OPTION DESCRIPTION CHART
650940 - X X D - B
PACKING MATERIAL
SPRING ARRANGEMENT
PLUNGER TYPE
PACKING MATERIAL (packings are upper and lower unless noted)
C UHMW-PE
K Carbon-Graphite
L
Mineral filled PTFE
P UHMW-PE / staggered (upper) / UHMW-PE (lower)
R / UHMW-PE staggered (upper) / (lower)
PTFE
SPRING ARRANGEMENT
6 Wave spring
D Wave spring with alternate seat material
PLUNGER TYPE
D Hardened stainless steel with hard chrome plating
filled PTFE
PTFE
Mineral filled PTFE
GENERAL DESCRIPTION
WARNING
mum operating pressure of 1600 p.s.i. (110.3 bar) at 2000 p.s.i.
(137.9 bar) inlet hydraulic pressure.
INLET PRESSURE TO PUMP MOTOR
Pump ratio is an expression of the relationship between the pump motor area and the
lower pump end area. EXAMPLE: When 90 p.s.i. (6.2 bar) inlet pressure is supplied to
the motor of a 5:1 ratio pump it will develop a maximum of 450 p.s.i. (31.0 bar) fluid pressure (at no flow) − as the fluid control is opened, the flow rate will increase as the motor
cycle rate increases to keep up with the demand.
WARNING
safety precautions and important information.
HAZARDOUS PRESSURE. Do not exceed maxi-
PUMP RATIO X
MAXIMUM PUMP
=
FLUID PRESSURE
Refer to general information sheet for additional
• The two-ball pumps are primarily designed for the high volume
transfer of light and medium viscosity fluids compatible with 400 series stainless steel. The lower pump is designed for easy priming
and the double acting feature is standard in all ARO industrial
pumps. Material is delivered to the pump discharge outlet on both
the up and down stroke.
• The motor is connected to the lower pump end by a spacer section.
This allows for lubrication of the upper packing gland and prevents
motor contamination because of normal wear and eventual leakage
through the material packing gland. Be sure the solvent cup is adequately filled with lubricant to protect the upper packings and insure
longest service life.
TROUBLE SHOOTING
Pump problems can occur in either the hydraulic motor section or the
lower pump end section. Use these basic guidelines to help determine
which section is affected.
If the pump will not cycle.
• Be certain to first check for non-pump problems including kinked, re-
strictive or plugged inlet / outlet hose or dispensing device. Depressurize the pump system and clean out any obstructions in the inlet /
outlet material lines.
• Refer to the motor manual for trouble shooting if the pump does not
cycle and / or hydraulic fluid leaks from the hydraulic motor.
If the pump cycles but does not deliver material.
• Refer to the lower pump end manual for further trouble shooting.
PUMP CONNECTION − UPPER / LOWER
NOTE: All threads are right hand.
1. Lay the pump assembly on a workbench.
2. Remove the top three (Y6-130-C) cap screws and (Y14-750-K) lockwashers from the three spacer rods (figure 1).
3. Pull the hydraulic motor from the lower pump end until motor piston
rod is in the down" position and lower pump end rod is in up" position.
4. Using e-ring pliers, slide the e" ring up far enough to allow the
sleeve to move upward and release the two connectors (figure 2).
PUMP CONNECTOR DETAIL
Pump Motor Piston Rod
E" Ring 95069
Connector 94688 (2)
Sleeve 94689
Lower Pump Piston Rod
Figure 2
REASSEMBLY
1. Align the pump motor with the lower pump end. Position the hydraulic inlet 95_ from the material outlet.
2. Install the two connectors and retain with the sleeve, slide the e"
ring back into position.
3. Reinstall the spacer rods to the pump motor.
4. Bring the motor and lower pump together and retain with the three
(Y14-750-K) lockwashers and (Y6-130-C) cap screws.
PN 97999-885
650940-X-BPage 2 of 2