OPERATOR’S MANUAL WLM2203A-X

RELEASED: 5-3-99
REVISED: 8-1-11
(REV. G)

TWO-BALL PUMP SERIES

2” AIR MOTOR

3:1 RATIO

0 - 375 P.S.I. RANGE

INCLUDE MANUAL: S-633 GENERAL INFORMATION (PN 97999-625)
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, PARTS, TROUBLESHOOTING

WLM2203A-XX

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 ARORreplacement 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) WLM2203A-XX.......
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)
models WLM2203A-X1 1/4 - 18 N.P.T.F. - 1......
models WLM2203A-X2 Rc 1/4 (1/4 - 19 BSP Taper)......
Material Inlet (female)
models WLM2203A-X1 3/4 - 14 N.P.T.......
models WLM2203A-X2 Rp 3/4 (3/4 - 14 BSP Parallel)......
Material Outlet (female)
models WLM2203A-X1 1/2 - 14 N.P.T.......
models WLM2203A-X2 Rp 1/2 (1/2 - 14 BSP Parallel)......
Pump Construction Carbon Steel............
Dimensional Data see “Pump Data”...............
Weight see chart........................
PERFORMANCE
Air Inlet Pressure Range 0 - 125 p.s.i. (0 - 8.6 bar)..........
Fluid Pressure Range 0 - 375 p.s.i. (0 - 25.9 bar)............
Maximum Rec’d Cycles / Minute 125....
Displacement In3Per 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 updatedto an Equivalent Continuous Sound
Level (LAeq) to meet the intent of ANSI S1. 13-1971, CAGI-PNEUROP S5.1 using four
microphone locations.

PUMP DATA

Figure 1
Air Inlet (female)
See “Specifications”

MODEL WLM2203A-XX

Material Outlet (female)
See “Specifications”
NOTE: Pump is assembled
with material outlet located
180_from the air inlet.
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)
See “Specifications”
Models WLM2203A-1X
6-29/32”
(175 mm)
‘‘A”
18-1/32”
(458.0 mm)
MODEL “A” (mm) “B” (mm) WEIGHT (kg)
WLM2203A-1X N / A N / A 11 (4.99)
WLM2203A-3X 40-1/16” (1017.3) 22-1/32” (559.3) 13.5 (6.12)
WLM2203A-4X 49-13/16” (1265.0) 31-25/32” (806.9) 14.4 (6.53)
WLM2203A-5X 57-7/16” (1458.6) 39-13/32” (1000.6) 15 (6.80)
2” N.P.T. Bung Adapter
Material Inlet (female)
See “Specifications”
Models WLM2203A-3X, -4X, -5X
IMPORTANT
This is one of two documents which support the pump. Replace-
ment copies of these forms are available upon request.
=WLM2203A-XX MODEL OPERATOR’S MANUAL
-S-633 GENERAL INFORMATION LUBRICATION PISTON PUMPS
E2011
(800) 495--0276 DFAX FAX(800) 892--6276
INGERSOLL RAND COMPANY
209 NORTH MAIN STREET -- BRYAN, OHIO 43506
PATENTED
www.ingersollrandproducts.com