OPERATOR’S MANUAL
NM2C23X-A1-XXX
RELEASED:
REVISED:
(REV. 02)
1-30-09
6-1-10
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, TROUBLESHOOTING.
INCLUDE MANUALS: 66506-B Air Motor (pn 97999-870), 6737X-XXX Lower Pump End (pn 97999-1207) &
S-632 General Information Manual (pn 97999-624).
12” AIR MOTOR
NM2C23X-A1-XXX
23:1 RATIO
TWO-BALL PUMP SERIES
6” STROKE
300 and 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.
The original language of this manual is English.
SERVICE KITS
MODEL NM2C23X-A1-XXX
Air Inlet (female)
Use only genuine ARO® replacement parts to assure compat-
y
3/4 - 14 NPTF - 1 (not shown)
ible pressure rating and longest service life.
637112 for repair of air motor section.
y
y
Air Exhaust (female)
1-1/4 - 11-1/2 NPSM
637444-XXD for repair of lower pump end. Refer to the chart
on page 2 for description of -XXD options.
66506-B Air Motor
(see manual 66506-B)
SPECIFICATIONS
Spacer Section
(refer to option chart)
Model Series
. . . . . . . . . . . NM2C23X-A1-XXX
Connector (see figure 2)
Y6-128-C Hex Cap Screw (6)
Y14-750-K Lock Washer (6)
Pump Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Operated, Two-Ball
Double Acting Pump
“A”
Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23:1
96617 Hose
96618 Hose Clamp
76354 Cap
c
Air Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66506-B
Motor Repair Kit. . . . . . . . . . . . . . . . . . . . . . . 637112
Motor Diameter . . . . . . . . . . . . . . . . . . . . . . . 12”(30.5 cm)
Stroke (double acting). . . . . . . . . . . . . . . . . 6”(15.2 cm)
Air Inlet (female) . . . . . . . . . . . . . . . . . . . . . . . 3/4 - 14 NPTF - 1
Air Exhaust (female). . . . . . . . . . . . . . . . . . . . 1-1/4 - 11-1/2 NPSM
Lower Pump End Series . . . . . . . . . . . . . . . . . . 6737X-XXX
Lower Pump Repair Kit . . . . . . . . . . . . . . . . 637444-XXD
Material Outlet (female) . . . . . . . . . . . . . . . 1-1/4 - 11-1/2 NPTF - 2
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 lbs (90.7 kgs)
c
c
F22-48 Seal
96616 Stem
6045 Fitting
c
c
c
“B”
Y43-41-C Coupling
Y44-3-C Nipple
c
c
Y227-2-L Pipe Plug (3)
93866 Spacer Rod (3)
c
Material Outlet (female)
1-1/4 - 11-1/2 NPTF - 2
(90° from air exhaust)
PUMP PERFORMANCE
Air Inlet Pressure Range . . . . . 30 - 90 p.s.i.g. (2.1 - 6.2 bar)
Fluid Pressure Range . . . . . . . . 690 - 2070 p.s.i.g. (47.6 - 142.8 bar)
Maximum Rec'd Cycles / Minute . . . . . . . . . 70
“C”
6737X-XXX Lower Pump
(see manual 6737X-XXX)
Displacement In.3 Per Cycle . . . . . . . . . . . . . . 59.8
Volume / Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.1 oz. (979.6 ml)
Cycles Per Gallon . . . . . . . . . . . . . . . . . . . . . . . . 3.86
c
Items included in models
NM2C23X-A1-X3X, -X6X,
-XCX and -XDX only.
Flow @ 70 Cycles / Minute. . . . . . . . . . . . . . . . 18.1 g.p.m. (68.6 l.p.m.)
Noise Level @ 60 p.s.i. - 40 c.p.m. . . . . . . 89.8 db(A)
c
d
Accessories Available . . . . . . . . . . . . . . . . 66542 Wall Mount Bracket
Figure 1
65139 Floor Mount
66718 Silencer
NOTE: Dimensions are shown in inches and (mm) and are supplied for reference only.
(mm)
50-5/16”
(mm)
30-7/16”
(mm)
“A”
"B"
"C"
(479.5)
18-7/8”
Tested with 66718 silencer installed.
c
d
(1278.0)
(773.1)
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.
NM2C23X-A1-XXX Model Operator’s Manual (pn 97999-1209)
S-632 General Information - Air / Hydraulic Operated Piston
Pumps (pn 97999-624)
6737X-XXX Lower Pump End Operator’s Manual (pn 97999-1207)
66506-B Air Motor Operator’s Manual (pn 97999-870)
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INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
CCN 15263155
(800) 495-0276 FAX(800) 892-6276
© 2010
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