PREVOST H3-41 Maintenance Manual page 121

CONTENTS
SECTION CHANGE LOG ........................................................................................................................................... 2
1. TORQUE TABLES ............................................................................................................................................. 3
1.1 HOSE CLAMPS ................................................................................................................................................ 3
1.2
PULLEYS, IDLERS & TENSIONERS .................................................................................................................... 4
1.3 COOLING ASSEMBLY ...................................................................................................................................... 5
1.4 MISCELLANEOUS ............................................................................................................................................ 6
2. DESCRIPTION .................................................................................................................................................. 7
3. MAINTENANCE ............................................................................................................................................... 9
3.1 GENERAL RECOMMENDATIONS .................................................................................................................... 9
3.2 COOLANT FILTER HOUSING SHUT-OFF VALVE - SPINDLE SERVICING .......................................................... 10
4. HOSES .......................................................................................................................................................... 11
4.1 HOSE CLAMPS ON COOLANT LINES ............................................................................................................. 11
4.2 CONSTANT-TORQUE HOSE CLAMPS ON CHARGE AIR COOLER (CAC) .......................................................... 12
4.2.1 Maintenance ........................................................................................................................................ 13
5. THERMOSTAT OPERATION ........................................................................................................................... 13
5.1 THERMOSTAT REPLACEMENT ...................................................................................................................... 13
5.2 CHECKING NEW THERMOSTAT .................................................................................................................... 13
6. COOLANT ..................................................................................................................................................... 14
6.1 COOLANT LEVEL VERIFICATION ................................................................................................................... 14
6.2 COOLANT LEVEL SENSOR ............................................................................................................................. 14
6.3 THAWING COOLING SYSTEM ....................................................................................................................... 14
6.4 COOLANT RECOMMENDATIONS FOR VOLVO D13 ENGINE ......................................................................... 14
6.5 COOLANT SAMPLING ................................................................................................................................... 17
7. DRAINING COOLING SYSTEM ........................................................................................................................ 18
8. FILLING COOLING SYSTEM ............................................................................................................................ 19
9. FLUSHING ..................................................................................................................................................... 20
9.1 COOLING SYSTEM DESCALERS ..................................................................................................................... 20
9.2 REVERSE FLUSHING ...................................................................................................................................... 21
10. SPIN-ON COOLANT FILTER ........................................................................................................................ 21
11. COOLING ASSEMBLY ................................................................................................................................. 22
11.1 MAINTENANCE............................................................................................................................................. 24
11.2 COOLING FAN REPLACEMENT ...................................................................................................................... 26
11.3 COOLING FAN SHROUD REMOVAL & INSTALLATION ................................................................................... 26
11.4 H3 SERIES VEHICLES - COOLING PACK (RADIATOR & CAC) REMOVAL & INSTALLATION ............................. 28
11.5 X3 SERIES VEHICLES - COOLING PACK (RADIATOR & CAC) REMOVAL & INSTALLATION .............................. 34
11.6 CHARGE AIR COOLER (CAC) IN VEHICLE REMOVAL ...................................................................................... 40
12. SPECIFICATIONS ........................................................................................................................................ 44
SECTION 05: COOLING SYSTEM
PA1621 Maintenance Manual All Series
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Section 05 revised Feb 2019
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