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Page 2 of 4 LM2250E-XX-B3 (en)
PARTS LIST / LM2250E-XX-B3
Item Description
(size)
(Qty) Part No. Mtl
1 Carriage Bolt
(1/4” - 20 x 9”)
(4) 94333 [C]
2 Upper Cap (1) 94307 [Z]
c
3 Gasket (2) 94311 [B]
4 Sleeve (2) 94316 [Br]
c
5 “O” Ring
(1/16” x 11/16” o.d.)
(4) Y325-15 [B]
c
6 “O” Ring
(1/8” x 3/4” o.d.)
(4) Y325-206 [B]
7 Spool (2) 94310 [D]
c
8 “U” Cup
(1/8” x 3/4” o.d.)
(2) Y240-7 [B]
c
9 “O” Ring
(0.106” x 0.587” o.d.)
(2) 15066-PM [B]
10 Cylinder (1) 94249 [A]
11 Adapter (1) 94447-1 [C]
c
12 “O” Ring
(1/16” x 3/4” o.d.)
(1) Y325-16 [B]
c
13 “O” Ring
(1/16” x 7/16” o.d.)
(1) Y325-11 [B]
14 Mu er Housing (1) 94443 [A]
15 Foam Liner (2) 94402 [U]
16 Retaining Ring (1) 94406 [C]
17 Washer (1) 94515 [C]
c
18 “U” Cup
(3/16” x 2” o.d.)
(2) Y240-23 [B]
19 Piston (1) 94780 [D]
20 Piston Adapter (1) 94388 [C]
c
21 “O” Ring
(3/32” x 1” o.d.)
(1) Y325-117 [B]
22 Dowel Pin
(1/4” o.d. x 7/8” long)
(1) Y148-37 [C]
c
23 “O” Ring
(3/32” x 13/16” o.d.)
(1) Y325-114 [B]
c
24 Rod Seal (1) 95139 [U]
25 Washer (1) 94785 [C]
26 Spring (1) 94705 [C]
27 Base (1) 67241-1 [C/Z]
28 Nut
(1/4” - 20)
(4) 93828 [SS]
29 Ground Screw
(#10 - 32 x 1/4”)
(1) 93005 [C]
c
30 Gasket (1) 70834 [Co]
31
Extension Tube
models LM2250E-22-B3 (7.531”)
(1) 94401-2 [C]
models LM2250E-32-B3 (20.281”)
(1) 94401-7 [C]
models LM2250E-42-B3 (28.781”)
(1) 94401-8 [C]
models LM2250E-62-B3 (10.281”)
(1) 94401-6 [C]
Item Description
(size)
(Qty) Part No. Mtl
c
32 Gasket (1) 70837 [Co]
33 Piston Rod (1) 95137 [C]
34 Pin (1) 94786 [C]
c
35 Cotter Pin
(1/16” x 1/2” long)
(1) Y15-21 [C]
36
Connector
models LM2250E-22-B3 (3.457”)
(1) 94340-2 [C]
models LM2250E-32-B3 (16.207”)
(1) 94340-7 [C]
models LM2250E-42-B3 (24.707”)
(1) 94340-8 [C]
models LM2250E-62-B3 (6.207”)
(1) 94340-6 [C]
Piston and Tube Assembly
(includes
items 37 - 40 and 49)
(1) 67262
37 Lower Suction Tube (1) [C]
38 Plunger (1) [C]
39 Ball Stop (1) 83276 [C]
40 Ball
(9/32” dia.)
(1) Y16-209 [C]
c
41 Guide Washer (1) 95131 [Co]
42 Spacer (1) 72392-1 [C]
c
43 Retaining Ring
(0.877” o.d.)
(1) 76243-1 [C]
c
44 “U” Cup
(1/8” x 13/16” o.d.)
(1) Y186-54 [B]
c
45 Guide (1) 95132 [T]
46 Foot Valve Body (1) 95133 [SH]
Foot Valve Assembly
(includes items 43 - 46)
(1) 67242
c
47 Gasket (1) F21-65 [Co]
48 Valve Seat (1) 6797 [C]
49 Primer Rod (1) 95134 [C]
50 Primer (1) 94400 [C]
c
51 Retainer Ring (1) 94397 [C]
52 Primer Tube (1) 753750 [C]
53 Grease Filter (1) 753751 [SS]
54 Internal Circlip (1) 753752 [C]
55 Bung Assembly
(includes item 56)
(1) 67145-2 [ZA]
56 Thumb Screw
(1/4” - 20 x 1”)
(3) Y66-59-C [C]
c
Gadus S2 U1000 Grease Packet (1) 94833
c
Items included in repair kit 637332
OPERATING AND SAFETY PRECAUTIONS
WARNING
EXCESSIVE INLET PRESSURE. Can cause explo-
sion, resulting in severe injury or death. Do not exceed
maximum operating pressure of 7500 p.s.i. (517 bar) at 150
p.s.i. (10.3 bar) inlet pressure. Do not run pump without us-
ing a regulator to limit air supply pressure to the pump.
WARNING
EXCESSIVE MATERIAL PRESSURE. Can cause
equipment failure, resulting in severe injury or property
damage. Do not exceed the maximum material pressure of
any component in the system.
Replacement warning label (pn 94520) is available upon re-
quest.
Pump Ratio X = Maximum Pump
Inlet Pressure to Pump Motor Fluid Pressure
Pump ratio is an expression of the relationship between the pump motor area
and the lower pump end area. EXAMPLE: When 150 p.s.i. (10.3 bar) inlet pressure
is supplied to the motor of a 4:1 ratio pump, it will develop a maximum of 600 p.s.i.
(41.4 bar) uid pressure (at no ow) - as the uid control is opened, the ow rate
will increase as the motor cycle rate increases to keep up with the demand.
WARNING
Refer to the general information manual in-
cluded for additional operating and safety precautions and
other important information.
NOTICE: Thermal expansion can occur when the uid in the mate-
rial lines is exposed to elevated temperatures. Example: Material
lines located in a non-insulated roof area can warm due to sunlight.
Install a pressure relief valve in the pumping system.
y ARO® is a registered trademark of Ingersoll Rand Company y Gadus® is a registered trademark of the Shell Oil Company y