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CCN 99695199
OPERATOR’S MANUAL NM2304A-X-X
RELEASED: 1-2-98
REVISED: 6-1-10
(REV. G)
3” AIR MOTOR
4:1 RATIO
3” STROKE
INCLUDE MANUALS:67151-X LowerPumpEnd (pn97999-763),6691X Air Motor (pn 97999-748)& S-632 GeneralInforma-
tion Manual (pn 97999-624)
SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, TROUBLESHOOTING
NM2304A-X1-X11
TWO BALL PUMP SERIES
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
• Use only genuine AROR replacement parts to assure compatible
pressure rating and longest service life.
• 637316 for repair of air motor section.
• 637176 for repair of 67151-X-311 and -X-511 lower pump section.
637228
for repair of 67151-X-C11 lower pump section.
SPECIFICATIONS
Model Series (refer to option chart) NM2304A-X1-X11.........
Type Air Operated, Two Ball..........................
Ratio 4:1..........................
Air Motor 66913.......................
Motor Repair Kit 637316................
Motor Diameter 3” (7.62 cm)................
Stroke (Double Acting) 3” (7.62 cm)...........
Air Inlet (female) 1/4 - 18 N.P.T.F. - 1................
Lower Pump End Series
NM2304A-11-C11 67151-1-C11..............
NM2304A-11-311 67151-1-311..............
NM2304A-11-511 67151-1-511..............
NM2304A-41-C11 67151-4-C11.............
NM2304A-41-311 67151-4-311..............
NM2304A-41-511 67151-4-511..............
NM2304A-81-311 67151-8-311..............
NM2304A-91-311 67151-9-311..............
NM2304A-A1-C11 67151-A-C11.............
NM2304A-A1-311 67151-A-311..............
NM2304A-A1-511 67151-A-511..............
NM2304A-B1-311 67151-B-311..............
Material Inlet
NM2304A-1
1-X11, -81-, -B1- (female) 1-1/2 - 11-1/2 N.P.T.F. - 1
NM2304A-4
1-X11, -91-X11, -A1-X11 Immersed Inlet
Material Outlet (female) 3/4 - 14 N.P.T.F. - 1..........
PERFORMANCE
Air Inlet Pressure Range 0 - 150 p.s.i. (0 - 10.3 bar).........
Fluid Pressure Range 0 - 600 p.s.i. (0 - 41.4 bar)...........
Maximum Rec’d Cycles / Minute 125.....
Displacement In
3
Per Cycle 8.2.........
Volume / Cycle 4.54 oz. (134.3 ml)...................
Cycles Per Gallon 28.2................
Flow @ 60 Cycles / Minute 2.1 g.p.m. (8.06 l.p.m.)..........
Noise Level @ 100 p.s.i. 85 db(A) *............
Accessories Available 61113 Wall Mount Bracket...........
66073-1 Air Line Connection Kit
* Thepump sound pressure levelhas beenupdated to anEquivalent Continuous Sound
Level (L
Aeq
) to meet the intent of ANSIS1. 13-1971, CAGI-PNEUROPS5.1 using four
microphone locations.
PUMP DATA
Air Motor 66913
(see manual 6691X)
Figure 1
Material Outlet (female)
3/4 - 14 N.P.T.F. - 1
Lower Pump 67151-X-X11
(see manual 67151-X)
Air Inlet (female)
1/4 - 18 N.P.T.F. - 1
“B”
MODEL NM2304A-X1-X11
1-7/16”
(36.5 mm)
“A”
Model Number “A” (mm) “B” (mm) Weight (kg)
NM2304A-11-X11 30-11/32” (770.3) 11-23/32” (297.7) 32 lbs (14.5)
NM2304A-41-X11 55-23/32” (1414.9) 37-3/32” (942.2) 46 lbs (20.9)
NM2304A-81-X11 30-11/32” (770.3) 11-23/32” (297.7) 31.4 lbs (14.3)
NM2304A-91-X11 55-23/32” (1414.9) 37-3/32” (942.2) 45.4 lbs (20.6)
NM2304A-A1-X11 29-21/32” (752.9) 11-1/32” (280.2) 31.0 lbs (14.1)
NM2304A-B1-X11 30-11/32” (770.3) 11-23/32” (297.7) 32 lbs (14.5)
NOTE: Dimensionsare shownin inchesand(mm),suppliedforreferenceonlyandare
typically rounded up to the nearest 1/16 inch.
2-11-1/2N.P.T.
1/2” (13 mm) thru hole
(NM2304A-11-X, -81-X and -B1-X only)
Material Inlet (female)
1-1/2 - 11-1/2 N.P.T.F. - 1
(NM2304A-1
1-X, -81-X and -B1-X only)
IMPORTANT
This is one of the four documents which support the pump. Re-
placement copies of these forms are available upon request.
= NM2304A-X-X Model Operator’s Manual (pn 97999-749)
- S-632 General Information - Industrial Piston Pumps (pn 97999-624)
- 67151-X Lower Pump End Operator’s Manual (pn 97999-763)
- 6691X Air Motor Operator’s Manual (pn 97999-748)
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276 FAX(800) 892-6276
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www.ingersollrandproducts.com