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CCN 99692980
OPERATOR’S MANUAL NM2304B-X-X
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, TROUBLESHOOTING.
INCLUDE MANUALS: 65106-X Lower Pump End (pn 97999-578), 6691X Air Motor (pn 97999-748) & S-632
General Information Manual (pn 97999-624).
RELEASED: 10-17-97
REVISED: 6-1-10
(REV. G)
NM2304B-X1-X1X
TWO-BALL PUMP 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.
3” AIR MOTOR
4:1 RATIO
3” STROKE
SERVICE KITS
Use only genuine ARO® replacement parts to assure compat-
ible pressure rating and longest service life.
637316 for repair of air motor section.
637010 for repair of 65106, 65108 and 65108-5 lower pump
ends.
637010-4 for repair of 65106-4, 65108-4 and 65108-6 lower
pump ends.
637010-6 for repair of 65108-8 lower pump ends.
637011 for replacement of lower ball check
SPECIFICATIONS
Model Series
(refer to option chart)
. . . . . . . . . . . NM2304B-X1-X1X
Pump 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
NM2304B-11-C11 . . . . . . . . . . . . . . . . . . . . 65108-4
NM2304B-11-C1B . . . . . . . . . . . . . . . . . . . . 65108-6
NM2304B-11-W11 . . . . . . . . . . . . . . . . . . . . 65108-8
NM2304B-11-311 . . . . . . . . . . . . . . . . . . . . . 65108
NM2304B-11-31B . . . . . . . . . . . . . . . . . . . . . 65108-5
NM2304B-41-C11 . . . . . . . . . . . . . . . . . . . . 65106-4
NM2304B-41-311 . . . . . . . . . . . . . . . . . . . . . 65106
Lower Pump Repair Kit . . . . . . . . . . . . . . . . 637010-X
Material Inlet (female) . . . . . . . . . . . . . . . . . 1-1/4 - 11-1/2 N.P.S.M.
Material Outlet (female) . . . . . . . . . . . . . . . 3/4 - 14 N.P.T.F.
PUMP PERFORMANCE
Air Inlet Pressure Range . . . . . . . . . . . . . 0 - 150 p.s.i.g. (0 - 10.3 bar)
Fluid Pressure Range . . . . . . . . . . . . . . . . . . 0 - 600 p.s.i.g. (0 - 41.4 bar)
Maximum Rec'd Cycles / Minute . . . . . . . . . 120
Displacement In. Per Cycle. . . . . . . . . . . . . . . . 8.2
Volume / Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.54 oz. (134.3 ml)
Cycles Per Gallon . . . . . . . . . . . . . . . . . . . . . . . . 28.2
Flow @ 60 Cycles / Minute . . . . . . . . . . . . . . . . 2.13 g.p.m. (8.062 l.p.m.)
Noise Level @ 100 p.s.i. . . . . . . . . . . . . . . . . . . 85.0 db(A)
c
Accessories Available . . . . . . . . . . . . . . . . 61113 Wall Mount Bracket
66073-1 Air Line Connection Kit
c
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
y
y
y
PUMP DATA
"A"
"B"
1-3/8"
(35 mm)
Model Number "A"
(mm)
"B"
(mm)
Weight
(kg)
NM2304B-11-X1X 28-1/8"
(714.4)
9-23/32"
(246.8)
32.0
(14.5)
NM2304B-41-X1X 51-21/32"
(1312.1)
33-1/4"
(844.6)
46.0
(20.9)
IMPORTANT
This is one of four documents which support the pump. Re-
placement copies of these forms are available upon request.
:
NM2304B-X-X Model Operator’s Manual (pn 97999-750)
S-632 General Information - Industrial Piston Pumps (pn
97999-624)
65106-X Lower Pump End Operator’s Manual (pn 97999-578)
6691X Air Motor Operator’s Manual (pn 97999-748)
Figure 1
MODEL NM2304B-X1-X1X
NOTE: Dimensions are shown in inches and (mm) and are supplied for reference only.
Air Inlet (female)
1/4 - 18 N.P.T.F. - 1
Material Outlet (female)
3/4 - 14 N.P.T.F.
66913 Air Motor
(see manual 6691X)
Material Inlet (female)
1-1/4 - 11-1/2 N.P.S.M.
6510X-X Lower Pump
(see manual 65106-X)
2 - 11-1/2 N.P.S.M.
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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