3-1
62--11052
SECTION 3
COMPRESSOR MAINTENANCE
3.1
SHAFT SEAL RESERVOIR
The shaft seal reservoir will accumulate up to 3.5
ounces of oil. It should be serviced (checked and
drained) at least once a year. To service the reservoir:
a. Remove the capscrew and washer that secures the
reservoir to the crankcase.
b. Remove the reservoir and properly dispense of the
contents.
1 Access Valve
2 Reservoir
3 Capscrew and
Washer
1
2
3
Figure 3-1. Shaft Seal Reservoir
NOTE
Do not return this oil to the compresser. This oil
is contaminated.
Dispose this oil in an
environmentally correct manner.
c. Return the reservoir to its mounting location insuring
that the neck of the reservoir is seated over the ac-
cess valve.
d. Reinstall the capscrew and washer.
Refer to Table 3-1 for torque values for tightening the
capscrew.
3.2
INTRODUCTION
Prior to disassembly of the compressor, oil must first be
drained from the crankcase. Place the compressor in a
position where it will be convenient to drain the oil.
Remove the oil fill plug to vent the crankcase. Loosen
the drain plug and allow the oil to drain out slowly.
If dismantled parts are to be left overnight or longer, dip
them in clean compressor oil (to prevent rusting) and
store in protected area.
Refer to Table 3-1 for torque values for tightening bolts.
3.3
INSPECTION AND PREPARATION FOR
REASSEMBLY
a. Clean all parts with an approved solvent. Use a stiff
bristle brush to remove dirt from grooves and crev-
ices.
b. Inspect all parts for wear and overall condition.
Replace any defective or excessively worn parts.
c. Inspect suction and discharge valve seats (on valve
plate).
d. If unloaders are installed, inspect operation of
unloader.
e. After cleaning, ensure all moving parts are coated
with compressor oil before reassembly.
f. Use only new gaskets during reassembly. Ensure all
gaskets (includes cylinder head, valve plate, and un-
loader or bypass plug gaskets) are installed dry.
3.4
CYLINDER HEAD AND VALVE PLATE
3.4.1 Disassembly
WARNING
Do not unscrew capscrews all the way
before breaking seal. Entrapped pressure
could result in injury.
a. Loosen cylinder head capscrews. If the head is stuck,
tap it lightly with a wooden or lead mallet to free it. Be
careful not to drop the head or damage the gasket
sealing surface. Remove cylinder head capscrews
and gasket. (See Figure 3-2)
b. Remove the discharge valve capscrews, lock wash-
ers, stops, and valves.
c. Free the valve plates from the cylinder deck by using
the discharge valve capscrews, without washers, as
jackscrews through the outermost tapped holes in the
valve plate after the valve stops and valves have
been removed. Remove the valve plate gasket.
d. Discard valves and gaskets. Use only new valves and
gaskets when assembling cylinder head and valve
plate assemblies.
3.4.2 Reassembly
Install only new valves and gaskets, do not interchange
valves.
a. Install the discharge valves and discharge valve
stops with capscrews and lock washers onto the
valve plates. Torque the capscrews to a value shown
in Table 3-1.
b. Turn the valve plate over.
c. Place suction valve on dowel pins.
d. Install the suction valve spring on the dowel pins with
the spring ends bearing away from the cylinder head.
(See Figure 3-3)
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...
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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...