PREVOST LE MIRAGE XLII BUS SHELLS User Manual

SECTION 05: COOLING SYSTEM
PA1553
1
CONTENTS
1. DESCRIPTION ......................................................................................................................................3
2. MAINTENANCE ....................................................................................................................................4
2.1 VEHICLES WITHOUT COOLANT FILTERS..............................................................................................4
2.2 VEHICLES WITH COOLANT FILTERS....................................................................................................4
3. HOSES ..................................................................................................................................................5
3.1 CONSTANT-TORQUE HOSE CLAMPS...................................................................................................5
3.1.1 Installation ...............................................................................................................................5
3.1.2 Maintenance............................................................................................................................5
4. COOLANT .............................................................................................................................................6
4.1 COOLANT LEVEL VERIFICATION..........................................................................................................6
4.2 COOLANT LEVEL SENSOR..................................................................................................................6
4.3 THAWING COOLING SYSTEM ..............................................................................................................6
4.4 COOLANT REQUIREMENTS.................................................................................................................6
4.5 COOLING SYSTEM RECOMMENDATIONS ................................................................................................6
4.6 INHIBITORS .......................................................................................................................................7
4.6.1 Inhibitor Test Procedures........................................................................................................7
4.7 COOLANT RECOMMENDATIONS ..........................................................................................................7
4.7.1 Coolant Not Recommended....................................................................................................8
4.7.2 Additives Not Recommended..................................................................................................8
4.7.3 Vehicles Without Coolant Filters .............................................................................................8
4.7.4 Vehicles With Coolant Filters ..................................................................................................8
5. DRAINING COOLING SYSTEM ...........................................................................................................8
5.1 VEHICLES EQUIPPED WITH CENTRAL HVAC SYSTEM .........................................................................8
5.2 VEHICLES EQUIPPED WITH SMALL HVAC SYSTEM .............................................................................9
6. FILLING COOLING SYSTEM .............................................................................................................10
7. FLUSHING...........................................................................................................................................10
7.1 COOLING SYSTEM DESCALERS ........................................................................................................11
7.2 REVERSE FLUSHING........................................................................................................................11
8. SPIN-ON COOLANT FILTER .............................................................................................................11
9. RADIATOR..........................................................................................................................................12
9.1 MAINTENANCE ................................................................................................................................12
10. VARIABLE SPEED RADIATOR FAN.............................................................................................12
10.1 MAINTENANCE ................................................................................................................................13
10.2 INSPECTION ....................................................................................................................................13
10.3 THERMOSTAT OPERATION ...............................................................................................................13
11. FAN GEARBOX...............................................................................................................................14
11.1 MAINTENANCE ................................................................................................................................14
11.2 OIL CHANGE...................................................................................................................................14
12. RADIATOR FAN BELT REPLACEMENT.......................................................................................14
12.1 BELT TENSION ADJUSTMENT ...........................................................................................................14
13. FAN DRIVE ALIGNMENT ...............................................................................................................15

PREVOST LE MIRAGE XLII BUS SHELLS Specifications

General

Brand	PREVOST
Model	LE MIRAGE XLII BUS SHELLS
Category	Buses
Language	English