OPERATOR’S MANUAL
WLM2203A-X
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, PARTS, TROUBLESHOOTING
INCLUDE MANUAL: S-633 GENERAL INFORMATION (PN 97999-625)
RELEASED:
REVISED:
(REV. G)
5-3-99
8-1-11
2” AIR MOTOR
3:1 RATIO
WLM2203A-XX
0 - 375 P.S.I. RANGE
TWO-BALL PUMP SERIES
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
PUMP DATA
• Use only genuine AROR 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.
MODEL WLM2203A-XX
Air Inlet (female)
See “Specifications”
18-1/32”
SPECIFICATIONS
(458.0 mm)
Material Outlet (female)
See “Specifications”
NOTE: Pump is assembled
with material outlet located
180_ from the air inlet.
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)
1-5/16”
(33.4 mm)
6-29/32”
(175 mm)
2” N.P.T. Bung Adapter
Material Inlet (female)
See “Specifications”
Models WLM2203A-1X
models WLM2203A-X1 . . . . . . 3/4 - 14 N.P.T.
models WLM2203A-X2 . . . . . . Rp 3/4 (3/4 - 14 BSP Parallel)
Material Outlet (female)
‘‘B”
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
‘‘A”
Figure 1
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 In3 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
Material Inlet (female)
See “Specifications”
Models WLM2203A-3X, -4X, -5X
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)
“B” (mm)
N / A
WEIGHT (kg)
11 (4.99)
13.5 (6.12)
14.4 (6.53)
15 (6.80)
WLM2203A-1X
N / A
WLM2203A-3X 40-1/16” (1017.3)
22-1/32” (559.3)
*
ThepumpsoundpressurelevelhasbeenupdatedtoanEquivalentContinuousSound
Level (L ) to meet the intent of ANSI S1. 13-1971, CAGI-PNEUROP S5.1 using four
WLM2203A-4X 49-13/16” (1265.0) 31-25/32” (806.9)
WLM2203A-5X 57-7/16” (1458.6) 39-13/32” (1000.6)
Aeq
microphone locations.
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
PATENTED
INGERSOLL RAND COMPANY
209 NORTH MAIN STREET -- BRYAN, OHIO 43506
E2011
(800) 495--0276 D FAX FAX(800) 892--6276
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PARTS LIST / WLM2203A-XX
1
6
7
19
20
21
22
2
3
8
9
4
5
23
24
25
10
34
UPPER SECTION
11
LOWER SECTION
26
27 ,
38
28 H
H
. 36
37
29 ,
5
9
8
4
12
30
31
48
13
7
32
33 ,
6
14
13
3
41
15
16
17
42
43
18
47
44
45
46
H Lubricate with Gadus S2 U1000 grease at assembly.
. TORQUE REQUIREMENTS ,
(27, 36) 9 Nm (79.7 in. lbs)
(29, 33) 88 - 95 Nm (64.9 - 70.1 ft lbs)
49
39
40
Figure 2
WLM2203A-XX
Page 3 of 4
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PLACING INTO SERVICE
AIR AND LUBRICATION REQUIREMENTS
should be used on thread connection. Tighten all fittings. Use cau-
tion not to damage threads.
Filtered air willhelpextend thelife of thepump, allowingthepump to op-
erate more efficiently and yield longer service life to moving parts and
mechanisms.
OPERATION
• Installanairlinefiltertoprovidegoodqualitycleananddryair.Install
it up stream from the regulator.
START-UP
• Use an air regulator on the air supply to control the pump cycle rate.
Install the regulator as close as possible to the pump.
• Inmostinstallations, lubricationisnotrequired. Ifthepumpneedsto
havelubrication,installanairlinelubricatorandsupplyitwithagood
grade of non-detergent oil or other lubricant compatible with Nitrile
seals and set at a rate not to exceed one drop per minute.
1. Turn the air regulator to “0” pressure setting.
2. Immerse the lower pump end into the material.
3. Open the dispensing device.
4. Start the pump cycling slowly by raising the pressure to 1.4 - 2.1 bar
(20 - 30 p.s.i.).
5. Close the dispensing device. Allow the pump to stall and build line
pressure. Check for anyleaks and tighten fittingsas needed. Adjust
pressure as required for the application.
INSTALLATION
• Mount and secure the pump as required for the application.
• Attach a ground wire from the pump ground screw to a suitable
ground.
SHUTDOWN
• Disconnecttheairsupplyfromthepumpifitistobeinactiveforafew
• Connectafluidhosetothepumpoutlet.Inmostcasesapipesealant
hours. Open the dispensing device to relieve line pressure.
SERVICE
2. Locate the valve chamber on the (11) cylinder where the 3/8’’ dia.
hole is located and install one of the (4) sleeves. Insert the (7) spool
from the opposite end. Next, install the remaining sleeve and spool.
3. Replace the (3) track gasket and install (2) cap.
PUMP DISASSEMBLY / REASSEMBLY
NOTICE: The unique design of this pump allows for quick basic pump
service without total removal from the drum (refer to the views below).
DISASSEMBLY - Allthreadsarerighthand.Refertofigure2.These
proceduresarefortheinstallationofrepairkitparts.Disconnectair
supply and relieve all system pressure prior to servicing. Carefully
removetheparts,inspectpartsfordamage,nicksorexcessivewearand
determine if any parts will need replacement.
Follow the three disassembly steps in the detail views below and place
the pump on a clean bench.
1. Remove(1) bolts. Remove(18)packing, (17)bushingand(16) “O”ring.
2. Remove (36) adapter, releasing (10) muffler.
3. Grasp the (11) cylinder and remove the (20, 14) piston assembly.
4. Remove(15) lower capand(3) trackgasket. Remove (12) retaining
ring and (48) washer, then pull (14) piston off (20) piston rod.
5. Remove (2) cap and (3) track gasket. Push on the large o.d. end of
the(7)spooltoremovethe(4)sleeve.Grabthenoseof(7)spooland
pull out. Repeat for other sleeve and spool.
4. Replacethe(13) piston“U” cups(refer tofigure 2for proper orienta-
tion). Replacethe(19) “O” ringandassemble(14) pistonto(20)pis-
ton rod and retain with (48) washer and (12) retaining ring.
5. Install the (20, 14) piston assembly using great care to collapse the
outer lip of the second “U” cup, allowing it to slip into the cylinder.
6. Replace the (3) track gasket and install the (15) cap. Install the (16)
“O” ring onto the piston rod, replace (17) bushing and (18) packing.
7. Replace the (25) “O” ring and re-attach the (24) inner check.
8. Slide the pump assembly back into the (26) base / lower pump sec-
tion.Pressthesectionstogetherandaligntheairinletandpumpout-
letasrequiredandreplacethefour(1)boltsand(27)nuts(tightento
9 Nm (79.7 in. lbs).
TROUBLE SHOOTING
If the pump will not cycle or will not deliver material.
• Becertaintocheckfornon-pumpproblemsincludingkinked,restric-
tiveorpluggedinlet/outlethoseordispensingdevice.Depressurize
the pump system and clean out any obstructions in the inlet / outlet
material lines.
REASSEMBLY - Thoroughly clean and lubricate all seals and
bores with Shell Gadus S2 U1000 upon assembly. Replace all soft
parts with new ones included in the repair kit.
Note: Refer to the illustration (figure 2) for “U” cup lip seal direction.
1. Replace the seals on both the (7) spools and (4) sleeves.
• Check all seals, including track gaskets.
• Check direction of “U” cup lips.
PUMP DISASSEMBLY DETAIL
A) Remove the four
nuts from the base
of the Air Motor.
B) Grasp the lower motor cap
and pull out the motor and
upper section of the lower
section.
C) Unlock the (24) inner
check from the piston rod.
Figure 3
Figure 4
Figure 5
PN 97999-865
WLM2203A-XX
Page 4 of 4
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