OPERATOR’S MANUAL
LM2203A-X-C
RELEASED: 12-27-04
REVISED:
9-22-11
(REV. 0
3
)
TWO-BALLPUMP
SERIES
2” AIR MOTOR
3:1 RATIO
0 - 450 P.S.I. RANGE
INCLUDE MANUAL:S-
GENERAL INFORMATION (PN 97999-
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, PARTS, TROUBLESHOOTING
LM2203A-XX-C
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.
SERVICE KITS
•
Use only genuine ARO
R
replacement parts to assure compatible
pressure rating and longest service life.
•
637224 Pump Rebuild Kit.
Includes the necessary soft parts for
normal service of the entire pump.
SPECIFICATIONS
Model Series
(refer to option chart)
LM2203A-XX-C
. . . . . . . .
Type
Air Operated, Two Ball,
. . . . . . . . . . . . . . . . . . . . . . . . .
Double Acting Oil Pump
Ratio
3:1
. . . . . . . . . . . . . . . . . . . . . . . . .
Air Motor Diameter
2’’ (5.08 cm)
. . . . . . . . . . . . . .
Stroke
3’’ (7.62 cm)
. . . . . . . . . . . . . . . . . . . . . .
Air Inlet
(female)
LM2203A-X1-C
1/4 - 18 N.P.T.F.
. . . . . . . . . . . . . .
LM2203A-X2-C
Rp 1/4 (1/4 - 19 BSP Parallel)
. . . . . . . . . . .
Material Inlet
(female)
LM2203A-X1-C
3/4 - 14 N.P.T.
. . . . . . . . . . . . . .
LM2203A-X2-C
Rp 3/4 (3/4 - 14 BSP Parallel)
. . . . . . . . . . .
Material Outlet
(female)
LM2203A-X1-C
1/2 - 14 N.P.T.F. - 1
. . . . . . . . . . . . . .
LM2203A-X2-C
Rp 1/2 (1/2 - 14 BSP Parallel)
. . . . . . . . . . .
Pump Construction
Carbon Steel
. . . . . . . . . . . .
Dimensional Data
See chart
. . . . . . . . . . . . . . .
Weight
See chart
. . . . . . . . . . . . . . . . . . . . . . . .
PERFORMANCE
Air Inlet Pressure Range
0 - 150 p.s.i. (0 - 10.3 bar)
. . . . . . . . . .
Fluid Pressure Range
0 - 450 p.s.i. (0 - 31.0 bar)
. . . . . . . . . . . .
Maximum Rec’d Cycles / Minute
125
. . . .
Displacement In
3
Per Cycle
6.2
. . . . . . . .
Volume / Cycle
3.46 oz. (102.28 ml)
. . . . . . . . . . . . . . . . . .
Cycles Per Gallon (Liter)
37 (9.8)
. . . . . . . . . .
Maximum Working Flow Rate
6 g.p.m. (23 l.p.m.)
. . . . . .
Maximum Flow Rate
9 g.p.m. (34 l.p.m.)
. . . . . . . . . . . . .
Noise Level @ 100 p.s.i. - 124 c.p.m.
80 db(A)*
.
Accessories Available
61113 Wall Mount Bracket
. . . . . . . . . . . .
66073-1 Air Line Connection Kit
*
The pump sound pressure level has been updated to an Equivalent Continuous Sound
Level (L
Aeq
) to meet the intent of ANSI S1. 13-1971, CAGI-PNEUROP S5.1 using four
microphone locations.
PUMP DATA
Figure 1
Material Inlet (female)
(LM2203A-3X-C, -4X-C, -5X-C)
See “Specifications”
Air Inlet (female)
See “Specifications”
MODEL LM2203A-XX-C
Material Outlet (female)
See “Specifications”
NOTE: Dimensions are shown in inches and (mm), supplied for reference only and are typically
rounded up to the nearest 1/16 inch.
“B”
1-5/16”
(33.4 mm)
Material Inlet (female)
(LM2203A-1X-C)
See “Specifications”
6-29/32”
(175.2 mm)
“A”
18-1/32”
(458.0 mm)
MODEL
“A”
(mm)
“B”
(mm)
WEIGHT
(kg)
LM2203A-1X-C
N / A
N / A
11
(4.99)
LM2203A-3X-C 40-1/16”
(1017.6)
22-1/32”
(559.3)
13.5
(6.12)
LM2203A-4X-C 49-13/16”
(1265.0)
31-25/32”
(806.9)
14.4
(6.53)
LM2203A-5X-C 57-7/16”
(1458.6)
39-13/32”
(1000.6)
15
(6.80)
2” NPT BUNG ADAPTER
IMPORTANT
This is one of two documents which support the pump. Replace-
ment copies of these forms are available upon request.
=
LM2203A-X-C
Model Operator’s Manual
-
S-
General Information Lubrication Piston Pumps
624)
632
632
