Section 22: HEATING AND AIR CONDITIONING
PA1564
45
11.1.7 Water Recirculating Pump
This vehicle is provided with a water
recirculating pump which is located in the
evaporator compartment (Fig. 50). The water
recirculating pump consists of a centrifugal
pump and an electric motor which are mounted
on a common shaft in a compact assembly.
The (seal less) pump requires no periodic
maintenance other than replacement of motor
brushes. Replacement of motor brushes can be
performed without removing the pump
assembly. Inspection of the pump, to determine
if the pump is working properly, should be made
while the pump is in operation. If there is
evidence that the pump is not operating as per
specifications, the unit must be disassembled for
corrective measures.
Disassembly of the pump will be necessary only
in the case of a rotor failure or motor failure.
FIGURE 50: PUMP LOCATION
22178G
o
Removal
a) Stop engine and allow engine coolant time
to cool.
b) Close shutoff valves. Refer to
"05
COOLING"
under heading
"Draining
Cooling System"
for location of valves.
c) Disconnect the electrical wiring from the
motor.
WARNING
Before proceeding with the following steps,
check that coolant has cooled down.
d) Disconnect water lines from pump at
flange connections. Place a container to
recover the residual coolant in the line.
e) Remove the two clamps holding the pump
motor to its mounting bracket. Remove the
pump with the motor as an assembly.
o
Disassembly
a) Separate the housing (1) from the adapter
(7) by first removing the 4 capscrews.
Remove housing carefully to prevent
damaging the O-ring (2).
b) Remove rotor assembly (4), washers (3)
and shaft (5) from the adapter.
Inspection
Components removed from the recirculating
pump and motor assembly should be compared
with new parts to determine the degree of wear.
o
Brushes
1. When removing brushes, note the position
of the brush in the tube. Brush life is
shortened if the brushes are not replaced
properly.
2. Examine brushes for the following:
a. Wear
Replace the brushes if less than 25%
of the usable brush is left (less than
0.300 inch [8 mm]).
b. Chipped edges
Chips can be caused by improper
handling or installation. Badly chipped
brushes should be replaced regardless
of their length.
c. Annealed brush spring
This can be detected by noting the
resiliency of the spring. Annealing is
caused by failing to tighten the brush
Содержание LE MIRAGE XLII BUS SHELLS
Страница 1: ...COACH MANUFACTURER MAINTENANCE MANUAL LE MIRAGE XLII BUS SHELLS PA1564 1ST EDITION...
Страница 12: ...Section 00 GENERAL INFORMATION 10 PA1564 FIGURE 13 METRIC US STANDARD CONVERSION TABLE 00005...
Страница 13: ...Section 00 GENERAL INFORMATION PA1564 11 FIGURE 14 CONVERSION CHART 00006...
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Страница 348: ...Page No 18 Manual No NDS8 Spicer Speciality Axle Division Technical Publications Spicer Speciality Axle Division TP1193...
Страница 379: ...Section 12 BRAKE AND AIR SYSTEM PA1564 21 FIGURE 38 AIR OPERATED BRAKING SYSTEM WE...
Страница 380: ...Section 12 BRAKE AND AIR SYSTEM PA1564 22 FIGURE 39 AIR OPERATED BRAKING SYSTEM W5...
Страница 387: ...Section 12 BRAKE AND AIR SYSTEM PA1564 29 FIGURE 46 ABS 6S 5M CONFIGURATION...
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Страница 782: ...Section 16 SUSPENSION PA1564 22 FIGURE 26 SWAY BAR FRONT SUSPENSION 16138D FIGURE 27 SWAY BAR REAR SUSPENSION 16014...
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Страница 1083: ...Section 22 HEATING AND AIR CONDITIONING PA1564 15 FIGURE 16 REFRIGERANT CIRCUIT CENTRAL SYSTEM 22247...
Страница 1086: ...Section 22 HEATING AND AIR CONDITIONING PA1564 18 FIGURE 17 DOUBLE SWEEP EVACUATION SET UP...
Страница 1106: ...Section 22 HEATING AND AIR CONDITIONING PA1564 38 FIGURE 39 REFRIGERANT CIRCUIT SMALL SYSTEM 22350...
Страница 1108: ...Section 22 HEATING AND AIR CONDITIONING PA1564 40 FIGURE 42 CENTRAL HEATING SYSTEM COMPONENTS 22338...
Страница 1118: ...Section 22 HEATING AND AIR CONDITIONING PA1564 50 FIGURE 54 HEATER LINE SHUTOFF VALVES WE...
Страница 1119: ...Section 22 HEATING AND AIR CONDITIONING PA1564 51 FIGURE 55 SMALL HEATING SYSTEM COMPONENTS 22337...
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Страница 1125: ...Compressor 62 11052 Rev A WORKSHOP MANUAL for MODEL 05G TWIN PORT COMPRESSOR R...
Страница 1126: ...WORKSHOP MANUAL COMPRESSOR MODEL 05G TWIN PORT...
Страница 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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Страница 1205: ...Section 24 LUBRICATION PA1564 5 FIGURE 1 LUBRICATION AND SERVICING POINTS ON INDEPENDENT FRONT SUSPENSION VEHICLES 24036_1...
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Страница 1223: ...Section 26 XLII SLIDE OUT PA1564 11...
Страница 1224: ...Section 26 XLII SLIDE OUT PA1564 12 FIGURE 16 KEYLESS BUSHING INSTALLATION INSTRUCTION...