Section 05: COOLING SYSTEM
PA1564
12
through the pump. Reverse flushing is
accomplished by hot water, under pressure,
being forced through the cooling system in a
direction opposite to the normal flow of coolant,
loosening and forcing deposits out.
The radiator is reverse flushed as follows:
1. Remove the radiator inlet and outlet hoses
and replace existing radiator cap with a new
one.
2. Attach a hose to the top of the radiator to
lead water away from the engine.
3. Attach a hose at the bottom of the radiator
and insert a flushing gun in the hose.
4. Connect the water hose of the gun to the
water outlet and the air hose to the
compressed air outlet.
5. Turn on the water and when the radiator is
full, turn on the air in short blasts, allowing
the radiator to fill between blasts.
NOTE
Apply air gradually. Do not exert more than
138 kPa (20 psi) air pressure. Too great a
pressure may rupture a radiator tube.
6. Continue flushing until only clean water is
expelled from the radiator.
The cylinder block and cylinder head water
passages are reverse flushed as follows:
1. Remove the thermostats and the water
pump.
2. Attach a hose to the water inlet of oil cooler
housing to drain water away from engine.
3. Attach a hose to the water outlet at the top of
the cylinder head (thermostat housing) and
insert the flushing gun in the hose.
4. Turn on the water until the jackets are filled,
and then turn on the air in short blasts. Allow
jackets to fill with water between air blasts.
5. Continue flushing until the water from the
engine runs clean.
If scale deposits in the radiator cannot be
removed by chemical cleaners or reverse
flushing as outlined above, it may be necessary
to remove the upper tank and rod out the
individual radiator tubes with flat steel rods.
Circulate the water through the radiator core
from the bottom to the top during this operation.
9. SPIN-ON COOLANT FILTER
The optional engine cooling system filter is used
to filter out impurities such as scale or sand from
the coolant and it also eliminates the process of
adding inhibitors to the antifreeze/water solution.
The filter is mounted onto the cooling fan drive
mechanism aluminum casting (Fig. 15).
NOTE
If a coolant filter is to be installed on an
engine already in service, drain and flush the
cooling system before installing the filter.
FIGURE 15: COOLANT FILTER
05138
To replace a filter:
1. Close the two filter shutoff cocks on the filter
mounting head and unscrew the old filter
from mounting.
WARNING
Failure to relieve cooling system pressure
may result in personal injury.
2. Remove and discard the filter.
3. Clean the filter adapter with a clean, lint-free
cloth.
4. Coat surface of gasket with oil, tighten 2/3 to
1 turn after gasket makes contact with head.
5. Open the two filter shutoff cocks.
6. Start engine and check for leaks.
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 926: ...PROCEDURE NO SAV00044 REVISION 00 Page 2 of 2 Slide out...
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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...