Ingersoll Rand Heat Pump LM2203AX User Manual

OPERATOR’S MANUAL  
INCLUDE MANUAL: S-633 GENERAL INFORMATION (PNĂ97999-625)  
LM2203A–X  
RELEASED: 4–22–96  
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, PARTS, TROUBLESHOOTING  
REVISED:  
2–27–98  
(REV. J)  
2” AIR MOTOR  
3:1 RATIO  
0 – 375 PSI RANGE  
LM2203A–XX  
TWO–BALL PUMP SERIES  
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,  
OPERATING OR SERVICING THIS EQUIPMENT  
.
SERVICE KITS  
PUMP DATA  
Use only genuine AROR replacement parts to assure compatible  
MODEL LM2203A-XX  
pressure rating and longest service life.  
637224 Pump Rebuild Kit. Includes the necessary soft parts for  
normal service of the entire pump.  
Air Inlet (female)  
See ‘‘Specifications”  
SPECIFICATIONS  
Model Series (Refer to option chart) . . LM2203A-XX  
Type . . . . . . . . . . . . . . . . . . . . Air Operated, Two Ball,  
Double Acting Oil Pump  
1-5/16"  
(33.3 mm)  
Material Outlet (female)  
See ‘‘Specifications”  
Ratio . . . . . . . . . . . . . . . . . . . . 3:1  
19"  
(482.6 mm)  
Air Motor Diameter . . . . . . . . . 2'' (5.08 cm)  
Stroke . . . . . . . . . . . . . . . . . . 3'' (7.62 cm)  
Air Inlet . . . . . . . . . . . . . . . . 1/4" - 18 NPTF (f)  
Material Inlet  
7-7/8"  
(200 mm)  
1/2'' Thru hole  
LM2203A-X1 . . . . . . . . . . . 3/4" - 14 NPT  
LM2203A-X2 . . . . . . . . . . . Rp 3/4 (3/4" - 14 BSP Parallel)  
Material Outlet  
Material Inlet (female)  
(LM2203A–1X)  
See ‘‘Specifications”  
LM2203A-X1 . . . . . . . . . . . 1/2" - 14 NPT (f)  
LM2203A-X2 . . . . . . . . . . . Rp 1/2 (1/2" - 14 BSP Parallel) (f)  
Pump Construction . . . . . . . Carbon Steel  
Dimensional Data . . . . . . . . . . See Chart  
Weight . . . . . . . . . . . . . . . . . . . See Chart  
‘‘B”  
‘‘A”  
FIGURE 1  
PERFORMANCE  
Air Inlet Pressure Range . . . . . 0 - 125 PSI (0 - 8.6 bar)  
Fluid Pressure Range . . . . . . . 0 - 375 PSI (0 - 25.9 bar)  
Max. Rec'd Cycles / Minute . . . 125  
Displacement In Per Cycle . . . 6.2  
Volume / Cycle . . . . . . . . . . . . 3.46 oz. (102.28 ml)  
Cycles Per Gallon (Liter) . . . . . 37 (9.8)  
Maximum Working Flow Rate . 6 gpm (23 l/m)  
Maximum Flow Rate . . . . . . . . 9 gpm (34 l/m)  
Noise Level @ 100 Psi-124 Cpm 80 db(A)*  
Accessories Available: . . . . . . 61113 Wall Mount Bracket  
66073-1 Air Line Connection Kit  
Material Inlet  
female (LM2203A–3X, 4X, 5X)  
See ‘‘Specifications”  
3
NOTE: Dimensions are shown in inches and (mm), supplied for reference only and are typically  
rounded up to the nearest 1/16 inch.  
MODEL  
LM2203A-1X  
LM2203A-3X 40-5/8 (1031.8)  
LM2203A-4X 50-3/8 (1279.6)  
``A'' (mm)  
N / A  
``B'' (mm)  
N / A  
21-5/8 (549.3)  
31-3/8 (796.9)  
39 (990.6)  
WEIGHT (kg)  
11 (4.99)  
13.5 (6.12)  
14.4 (6.53)  
15 (6.80)  
* The pump sound pressure level has been updated to an Equivalent ContinuousSound  
Level (L ) to meet the intent of ANSI S1. 13-1971, CAGI-PNEUROP S5.1 using four  
LM2203A-5X  
58 (1473.2)  
Aeq  
microphone locations.  
IMPORTANT  
This is one of two documents which support the pump.  
Replacement copies of these forms are available upon request.  
= LM2203A-X MODEL OPERATOR'S MANUAL  
- S-633 GENERAL INFORMATION LUBRICATION PISTON PUMPS  
PATENT APPLIED FOR  
INGERSOLL–RAND COMPANY  
ONE ARO CENTER  
D
BRYAN, OHIO 43506–0151  
T
&
(419) 636–4242  
D
FAX (419) 633–1674  
E1998 D PRINTED IN U.S.A.  
 
PARTS LIST / LM2203A–XX  
1
6
7
19  
20  
2
3
21  
22  
8
9
4
23  
24  
5
25  
UPPERSECTION  
10  
LOWERSECTION  
26  
11  
34  
35  
27 ,  
38  
28  
. 36  
29 ,  
37  
5
30  
31  
32  
9
8
4
12  
13  
7
6
33 ,  
14  
13  
3
41  
42  
15  
16  
17  
43  
44  
18  
47  
45  
46  
40  
. TORQUE REQUIREMENTS ,  
(27) 80 in. lbs (9 Nm)  
(29, 33) 65 - 70 ft lbs (88.1 - 94.9 Nm)  
(36) 30 ft lbs (40.7 Nm)  
39  
FIGURE 2  
LM2203A-X  
PAGE 3 OF 4  
 
PLACING INTO SERVICE  
AIR AND LUBRICATION REQUIREMENTS  
sealant should be used on thread connection. Tighten all fittings.  
Use caution not to damage threads.  
Filtered air will help extend the life of the pump, allowing the pump to  
operate more efficiently and yield longer servicelifetomovingpartsand  
mechanisms.  
OPERATION  
Install an air line filter to provide good quality clean and dry air.  
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.  
In most installations, lubrication is not required. If the pump needs  
to have lubrication, install an air line lubricator and supply it with a  
good grade of non-detergent oil or other lubricant compatible with  
Buna -N 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 20 - 30  
p.s.i. (1.4 - 2.1 bar).  
5. Close the dispensing device. Allow the pump to stall and build line  
pressure. Check for any leaks and tighten fittingsasneeded. 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.  
Connect a fluid hose to the pump outlet. In most cases a pipe  
SHUTDOWN  
Disconnect the air supply from the pump if it is to be inactive for a  
few 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.  
4. Replace the (13) piston ``U" cups (refer to figure 2 for proper orientaĆ  
tion). Replace the (19) ``O" ring and assemble(14)pistonto(20)pisĆ  
ton rod and retain with (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 secĆ  
tion. Press the sections together and align the air inlet and pump  
outlet as required and replace the four (1) bolts and (27) nuts (tightĆ  
en to 80 in. lbs (9 Nm).  
PUMP DISASSEMBLY / REASSEMBL  
Y
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 - All threads are right hand. Refer to figure 2.  
These procedures are for the installation of repair kit parts. DisĆ  
connect air supply and relieve all system pressure prior to servicĆ  
ing. Carefully remove the parts, inspect parts for damage, nicks or  
excessive wear and 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) bushing and (16) ``O"  
ring.  
2. Grasp the (11) cylinder and remove the (20,14) piston assembly.  
3. Remove (15) lower cap and (3) track gasket. Remove (12) retaining  
ring, then pull (14) piston off (20) piston rod.  
4. Remove (2) cap and (3) track gasket. Push on the large o.d. end of  
the (7) spool to remove the (4) sleeve. Grab the nose of (7) spool  
and pull out. Repeat for other sleeve and spool.  
TROUBLE SHOOTING  
5. Remove (36) adapter, releasing (10) muffler housing.  
If the pump will not cycle or will not deliver material.  
Be certain to check for non-pump problems including kinked, reĆ  
strictive or plugged inlet/outlet hose or dispensing device. DepresĆ  
surize the pump system and clean out any obstructions in the inlet /  
outlet material lines.  
REASSEMBLY - Thoroughly clean and lubricate all seals with  
Shell Darina ``EP" 2. Replace all soft parts with new ones included  
in the repair kit.  
Note: Refer to the illustration (Fig 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.  
C) Unlock the (24) inner  
check from the piston rod.  
B) Grasp the lower motor  
cap and pull out the motor  
and upper section of the  
lower section.  
FIGURE 3  
FIGURE 4  
FIGURE 5  
PN 97999-678  
PAGE 4 OF 4  
LM2203A-X  
 

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