2-1
62--11052
SECTION 2
COMPRESSOR REPLACEMENT
2.1
COMPRESSOR REMOVAL
Refer to the operation and service manual covering the
equipment in which the compressor is installed for
specific removal instructions. A general removal
procedure is given below.
a. If compressor is completely inoperative, frontseat the
suction and discharge service valves to trap the
refrigerant in the unit. If the compressor will operate,
pump down the unit; then, frontseat the suction and
discharge service valves.
b. Ensure power source is removed from any controls
installed on the compressor.
c. Remove refrigerant from the compressor using a
refrigerant recovery system.
d. Disconnect refrigerant lines at service valve flange
connections on the compressor; retain hardware.
e. Remove any components necessary to gain access
to the compressor or to enable removal.
f. Disconnect the drive mechanism at the compressor.
g. Remove
mounting
hardware
and
remove
compressor from unit.
h. If compressor is to be repaired, refer to section 3 for
repair procedures. if a replacement compressor is to
be installed, refer to section 2.2 for replacement
procedures.
2.2
COMPRESSOR REPLACEMENT
Consult the unit service parts list for the correct
replacement.
Service replacement compressors are furnished
without suction and discharge service valves and
unloader valves. The service valves are normally
retained on the unit to isolate the refrigerant lines during
compressor replacement. Blank-off pads are installed
on the service replacement compressor valve flanges.
These pads must be removed prior to installing the
compressor. If the defective compressor is to be
returned for overhaul or repair, install the pads on the
compressor for sealing purposes during shipment.
Service replacement compressors are furnished with
cylinder head bypass piston plugs installed on the
unloader flanges in lieu of the unloader valves. The
unloaders (if used) must be removed from the defective
compressor and transferred to the replacement
compressor prior to installation. Refer to section 2.2.1.
If the defective compressor is to be returned for
overhaul or repair, install the plugs on the compressor
for sealing purposes during shipment.
2.2.1 Installing Compressor Unloaders
a. Remove the three socket head capscrews holding
piston plug to cylinder head of the replacement
compressor. See Figure 2-1.
1. Capscrews
2. Flange Cover
3. Gasket
4. Spring
5. Bypass Piston Plug
6. Seat Ring
7. Strainer
7
1
2
3
4
5
6
Figure 2-1. Removal of Piston Plug
b. Remove flange cover, gasket, spring, bypass piston
plug, and seat ring. A tapped hole is provided in piston
plug for use with a jackscrew to enable removal of the
plug. One of the socket head capscrews may be used
as a jackscrew.
c. Remove the three socket head capscrews holding
unloader in the cylinder head of the defective
compressor; remove the unloader and retain the
capscrews.
NOTE
Capscrews removed from the bypass piston plug
flange cover are not interchangeable with
capacity control unloader valve capscrews.
When installing the unloaders, be sure to use the
unloader capscrews.
d. Using a new gasket and unloader ring pliers (P/N
07-00223), install the unloaders in the cylinder heads
of the replacement compressor. Refer to Table 3-1,
for required torque values.
e. If the defective compressor is to be returned for
overhaul or repair, install the bypass piston plug,
spring, seat ring and flange cover onto the cylinder
heads.
Summary of Contents for LE MIRAGE XLII BUS SHELLS
Page 1: ...COACH MANUFACTURER MAINTENANCE MANUAL LE MIRAGE XLII BUS SHELLS PA1564 1ST EDITION...
Page 12: ...Section 00 GENERAL INFORMATION 10 PA1564 FIGURE 13 METRIC US STANDARD CONVERSION TABLE 00005...
Page 13: ...Section 00 GENERAL INFORMATION PA1564 11 FIGURE 14 CONVERSION CHART 00006...
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Page 63: ...SECTION 01 ENGINE PA1564 33 FIGURE 13 POWER PLANT CRADLE INSTALLATION 01140...
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Page 229: ...FAULT CODE MANUAL Created on 00 04 25 15 30 1 FAULT CODE MANUAL B7L B7TL B12...
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Page 379: ...Section 12 BRAKE AND AIR SYSTEM PA1564 21 FIGURE 38 AIR OPERATED BRAKING SYSTEM WE...
Page 380: ...Section 12 BRAKE AND AIR SYSTEM PA1564 22 FIGURE 39 AIR OPERATED BRAKING SYSTEM W5...
Page 387: ...Section 12 BRAKE AND AIR SYSTEM PA1564 29 FIGURE 46 ABS 6S 5M CONFIGURATION...
Page 418: ...16 BW2158 Honeywell Commercial Vehicle Systems Company 4 2001 Printed in USA...
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Page 1086: ...Section 22 HEATING AND AIR CONDITIONING PA1564 18 FIGURE 17 DOUBLE SWEEP EVACUATION SET UP...
Page 1118: ...Section 22 HEATING AND AIR CONDITIONING PA1564 50 FIGURE 54 HEATER LINE SHUTOFF VALVES WE...
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Page 1125: ...Compressor 62 11052 Rev A WORKSHOP MANUAL for MODEL 05G TWIN PORT COMPRESSOR R...
Page 1126: ...WORKSHOP MANUAL COMPRESSOR MODEL 05G TWIN PORT...
Page 1149: ...Compressor 62 11053 Rev B SERVICE PARTS LIST for MODEL 05G TWIN PORT COMPRESSOR 1 2 3 4 5 6 R...
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Page 1223: ...Section 26 XLII SLIDE OUT PA1564 11...
Page 1224: ...Section 26 XLII SLIDE OUT PA1564 12 FIGURE 16 KEYLESS BUSHING INSTALLATION INSTRUCTION...