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OPERATOR'S MANUAL
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, PARTS, TROUBLESHOOTING
INCLUDE MANUAL: S-632 GENERAL INFORMATION (PN 97999-624)
2" AIR MOTOR
50:1 RATIO
0 - 7500 P.S.I. RANGE
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
SERVICE KITS
x
Use only genuine ARO
R
pressure rating and longest service life.
x
637332 Pump Rebuild Kit. Includes the necessary soft parts for
normal service of the entire pump.
SPECIFICATIONS
Model Series
. . . . . . . . . . . . . . . . . . . .
Type
. . . . . . . . . . . . . . . .
Ratio
. . . . . . . . . . . . . . . . . . . . . . . . . .
Air Motor Diameter
. . . . . . . . . . . . . . .
Stroke
. . . . . . . . . . . . . . . . . . . . . . . . .
Air Inlet (female)
LM2250E-X1-B
. . . . . . . . . . . . . . .
LM2250E-X2-B
. . . . . . . . . .
Material Outlet (female)
LM2250E-X1-B
. . . . . . . . . . . . . . . . . .
LM2250E-X2-B
. . . . . . . . . . . . .
Pump Construction
. . . . . . . . . . . . .
Dimensional Data
. . . . . . . . . . . . . . . .
Weight
. . . . . . . . . . . . . . . . . . . . . . . . .
PERFORMANCE
Air Inlet Pressure Range
. . . . . . . . . . .
Fluid Pressure Range
. . . . . . . . . . .
Cycles / Minute Rec'd @ Working Flow
3
Displacement In
Per Cycle
Volume / Cycle
. . . . . . . . . . . . . . . . . . .
Maximum Delivery / 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
Aeq
microphone locations.
GENERAL DESCRIPTION
Model LM2250E-X-B series chop-check grease pump is intended to be
used primarily for grease delivery systems. It uses carbon steel and oth-
er materials which make it compatible with most petroleum based lu-
brication products.
NOTE: If this pump was purchased separately (not part of a system),
consult your sales representative for compatible dispensing accesso-
ries which will best match the application. All accessories must be able
to withstand the maximum pressure developed by the pump.
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276 FAX(800) 892-6276
www.ingersollrandproducts.com
CHOP-CHECK GREASE PUMP
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
replacement parts to assure compatible
LM2250E-X-B
Air Operated, Chop-Check Grease Pump
50:1
2" (5.08 cm)
3" (7.62 cm)
1/4 - 18 N.P.T.F. - 1
Rp 1/4 (1/4 - 19 BSP Parallel)
3/8 - 18 N.P.T.F. - 1
Rc 3/8 (3/8 - 19 BSP Taper)
Carbon Steel
see chart
see chart
0 - 150 p.s.i. (0 - 10.3 bar)
0 - 7500 p.s.i. (0 - 517.2 bar)
80
. . . . . . . . .
0.300
0.17 oz. (4.91 ml)
. . . . . . . . .
9 lbs (4.1 kg)
85 db(A)*
61113 Wall Mount Bracket
66073
1 Air Line Connection Kit
-
© 2011
CCN 99879389
LM2250E-X-B
LM2250E-( )-B
PUMP DATA
MODEL LM2250E-X-B
1-1/4"
(31.3 mm)
"A"
"B"
NOTE: Dimensions are shown in inches and (mm), supplied for reference only and are typically
rounded up to the nearest 1/16 inch.
MODEL
"A"
(mm)
LM2250E-21-B
27-3/4"
(704)
LM2250E-22-B
27-3/4"
(704)
LM2250E-31-B
38-7/16"
(976)
LM2250E-32-B
40-1/2"
(1028)
LM2250E-41-B
48"
(1219)
LM2250E-42-B
49"
(1244)
LM2250E-61-B
30-1/2"
(774)
LM2250E-62-B
30-1/2"
(774)
LM2250E-M2-B
36-15/16"
(937)
IMPORTANT
This is one of two documents which support the pump. Replace-
ment copies of these forms are available upon request.
= LM2250E-X-B Model Operator's Manual (pn 97999-914)
- S-632 General Information Lubrication Piston Pumps (pn
97999-624)
WARNING READ THE GENERAL INFORMATION MANUAL
INCLUDED FOR ADDITIONAL OPERATING AND SAFETY PRE-
CAUTIONS AND OTHER IMPORTANT INFORMATION.
RELEASED:
6-1-00
REVISED:
10-13-11
(REV. M)
Air Inlet (female)
see "Specifications"
Material Outlet (female)
see "Specifications"
2" N.P.S.M. Bung Adapter
Figure 1
5/16" (8 mm) Thru hole
"B"
WEIGHT
(mm)
(kg)
16-9/16"
15
(421)
(6.8)
16-9/16"
15
(421)
(6.8)
27-1/4"
18.3
(692)
(8.3)
29-5/16"
19
(744)
(8.6)
36-13/16"
21.2
(935)
(9.6)
37-13/16"
21.5
(960)
(9.8)
19-5/16"
15.9
(490)
(7.2)
19-5/16"
15.9
(490)
(7.2)
25-3/4"
17.8
(653)
(8.1)
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Summary of Contents for Ingersoll-Rand ARO THUNDER Series
- Page 1 OPERATOR’S MANUAL LM2250E-X-B INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, PARTS, TROUBLESHOOTING RELEASED: 6-1-00 INCLUDE MANUAL: S-632 GENERAL INFORMATION (PN 97999-624) REVISED: 10-13-11 (REV. M) LM2250E-( )-B 2” AIR MOTOR 50:1 RATIO CHOP-CHECK GREASE PUMP 0 - 7500 P.S.I. RANGE READ THIS MANUAL CAREFULLY BEFORE INSTALLING, OPERATING OR SERVICING THIS EQUIPMENT.
- Page 2 PARTS LIST / LM2250E-XX-B Item Description Qty Part No. [Mtl] Item Description Qty Part No. [Mtl] (size) (size) 1 Carriage Bolt (4) 94333 (1) 94401-6 (1/4” - 20 x 9” long) models LM2250E-6X-B (10.281’’) 2 Upper Cap (1) 94307 (1) 94401-9 models LM2250E-M2-B (16.698’’) 3 Gasket (2) 94311...
- Page 3 PARTS LIST / LM2250E-XX-B Assembly tip (#33 and #24): 1) Install 24,25,26 into 27. 2) Grease 24. 31 , 3) Screw 31 into 27 to hold 24/25/26 in place. 4) Install tapered end of 33 down though 24. 5) Remove 31 from 27. 6) Connect 33 to 36 with 34/35.
- Page 4 3. Assemble (45) guide and (44) “U” cup into (46) valve body, securing PUMP DISASSEMBLY with (43) retaining ring. NOTE: Assemble chamfered corner of (45) guide into (46) valve body first. NOTE: All threads are right hand. Refer to figure 2 (page 3). Discon- 4.
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