OPERATOR'S MANUAL
SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, TROUBLESHOOTING
INCLUDE MANUALS: 66066-X LOWER PUMP END (PN 97999-770), 66913 AIR MOTOR (PN 97999-748) &
S-632 GENERAL INFORMATION MANUAL (PN 97999-624).
3" AIR MOTOR
28:1 RATIO
3" STROKE
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 ARO
R
pressure rating and longest service life.
637316 for repair of Air Motor section.
637006-1 for repair of 66066-1 lower pump section.
637006-2 for repair of 66066-2 lower pump section.
637006-3 for repair of 66066-3 lower pump section.
637007 for replacement of foot valve assembly.
SPECIFICATIONS
Model Series
(refer to option chart)
. . . . . . . . . . . . . . . . . . . .
Type
Ratio
. . . . . . . . . . . . . . . . . . . .
Air Motor
. . . . . . . . . . . . . . . . .
Motor Repair Kit
. . . . . . . . . .
. . . . . . . . . . .
Motor Diameter
Stroke (Double Acting)
. . . . .
Air Inlet
. . . . . . . . . . . . . . . . .
Lower Pump End Series
NM2328A-11-311
. . . . . . . . .
NM2328A-11-G11
. . . . . . . .
NM2328A-11-S11
. . . . . . . .
Material Inlet
. . . . . . . . . . . . .
Material Outlet
. . . . . . . . . . .
PERFORMANCE
. . . . .
Air Inlet Pressure Range
Fluid Pressure Range
. . . . . . .
Max. Rec'd Cycles / Minute
3
Displacement In
Per Cycle
. . . . . . . . . . . . .
Volume / Cycle
Cycles Per Gallon
. . . . . . . . . .
Flow @ 60 Cycles / Minute
. . . .
Noise Level @ 100 p.s.i.
. . . . . .
. . . . . . .
Accessories Available
* The pump sound pressure level has been updated to an Equivalent Continuous Sound
Level (L
) to meet the intent of ANSI S1. 13-1971, CAGI-PNEUROP S5.1 using four mi-
Aeq
crophone locations.
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276 FAX(800) 892-6276
www.ingersollrandproducts.com
TWO BALL PUMP SERIES
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
replacement parts to assure compatible
. . .
NM2328A-11-X11
Air Operated, Two Ball
28:1
66914
637316
3" (7.62 cm)
3" (7.62 cm)
1/4 - 18 N.P.T.F. (female)
66066-1
66066-2
66066-3
1/2 - 14 N.P.T.F. - 1 (female)
1/4 - 18 N.P.S.M. (male)
0 - 150 p.s.i. (0 - 10.3 bar)
0 - 4200 p.s.i. (0 - 289.7 bar)
. . .
125
. . .
1.47
0.81 oz. (.45 ml)
157.5
0.38 g.p.m. (1.44 l.p.m.)
85 db(A) *
61113 Wall Mount Bracket
66073-1 Air Line Connection Kit
CCN 99713448
© 2010
NM2328A-11-X11
STAINLESS STEEL
MODEL NM2328A-11-X11
21-3/4"
(552.1 mm)
13-1/32"
(331.0 mm)
6-1/4"
(158.6 mm)
NOTE: Dimensions are shown in inches and (mm), supplied for reference only and are
typically rounded up to the nearest 1/16 inch.
This is one of the four documents which support the pump. Re-
placement copies of these forms are available upon request.
= NM2328A-X MODEL OPERATOR'S MANUAL
- GENERAL INFORMATION -- INDUSTRIAL PISTON PUMPS
- 66066-X LOWER PUMP END OPERATOR'S MANUAL
- 66913 AIR MOTOR OPERATOR'S MANUAL
NM2328A-X
RELEASED: 10-21-97
REVISED:
(REV. C)
PUMP DATA
Air Inlet
1/4 - 18 N.P.T.F. (female)
Air Motor 66914
(see manual 66913)
Solvent Cup 91019
''O" Ring 91021
(not shown) (.070" x 1-3/4" o.d.)
Material Outlet
1/4 - 18 N.P.S.M. (male)
Lower Pump 66066-X
(see manual 66066-X)
Material Inlet
1/2 - 14 N.P.T.F. - 1 (female)
FIGURE 1
IMPORTANT
6-1-10
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