PREVOST X3-45 COMMUTER User Manual

SECTION 05: COOLING SYSTEM
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual First release Oct 2020
1
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 RECOMMANDATIONS .................................................................................................................... 9
3.2 COOLANT FILTER HOUSING SHUT-OFF VALVE – SPINDLE SERVICING ............................................................ 9
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 ........................................................................................................................................ 12
5. THERMOSTAT OPERATION ........................................................................................................................... 12
5.1 THERMOSTAT REPLACEMENT ...................................................................................................................... 12
5.2 CHECKING NEW THERMOSTAT .................................................................................................................... 13
6. COOLANT ..................................................................................................................................................... 13
6.1 COOLANT LEVEL VERIFICATION ................................................................................................................... 13
6.2 COOLANT LEVEL SENSOR ............................................................................................................................. 13
6.3 THAWING COOLING SYSTEM ....................................................................................................................... 14
6.4 COOLANT RECOMMENDATIONS FOR VOLVO D13 ENGINE ......................................................................... 14
6.5 COOLANT SAMPLING ................................................................................................................................... 15
7. DRAINING COOLING SYSTEM ........................................................................................................................ 16
8. FILLING COOLING SYSTEM ............................................................................................................................ 17
9. FLUSHING ..................................................................................................................................................... 18
9.1 COOLING SYSTEM DESCALERS ..................................................................................................................... 18
9.2 REVERSE FLUSHING ...................................................................................................................................... 19
10. SPIN-ON COOLANT FILTER ........................................................................................................................ 19
11. COOLING ASSEMBLY ................................................................................................................................. 20
11.1 MAINTENANCE............................................................................................................................................. 21
11.2 COOLING FAN REPLACEMENT ...................................................................................................................... 22
11.3 COOLING FAN SHROUD REMOVAL & INSTALLATION ................................................................................... 23
11.4 COOLING PACK (RADIATOR & CAC) REMOVAL & INSTALLATION ................................................................. 24
11.5 CHARGE AIR COOLER (CAC) IN VEHICLE REMOVAL ...................................................................................... 30
12. SPECIFICATIONS ........................................................................................................................................ 34

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in