PREVOST X3-45 Multiplex User Manual

SECTION 05: COOLING SYSTEM
PA1562
1
CONTENTS
1. DESCRIPTION ......................................................................................................................................3
2. MAINTENANCE ....................................................................................................................................4
2.1 GENERAL RECOMMENDATIONS ..........................................................................................................4
2.2 VEHICLES EQUIPPED WITH DDC SERIES 60 ENGINE ...........................................................................4
2.2.1 Vehicles without coolant filters ................................................................................................5
2.2.2 Vehicles with coolant filters .....................................................................................................5
2.3 VEHICLES EQUIPPED WITH VOLVO D13 ENGINE.................................................................................5
3. HOSES ..................................................................................................................................................5
3.1 CONSTANT-TORQUE HOSE CLAMPS ON COOLANT LINES – DDC S60 & VOLVO D13 ...........................5
3.1.1 Installation ...............................................................................................................................6
3.1.2 Maintenance............................................................................................................................6
3.2 CONSTANT-TORQUE HOSE CLAMPS ON CHARGE AIR COOLER (CAC).................................................6
3.2.1 Maintenance............................................................................................................................7
4. THERMOSTAT OPERATION ...............................................................................................................7
4.1 DETROIT DIESEL SERIES 60 ENGINE..................................................................................................7
4.2 VOLVO D13 ENGINE..........................................................................................................................7
4.2.1 Thermostat Checking ..............................................................................................................8
5. COOLANT .............................................................................................................................................8
5.1 COOLANT LEVEL VERIFICATION..........................................................................................................8
5.2 COOLANT LEVEL SENSOR..................................................................................................................8
5.3 THAWING COOLING SYSTEM ..............................................................................................................8
5.4 COOLING SYSTEM RECOMMENDATIONS..............................................................................................8
5.5 COOLANT RECOMMENDATIONS FOR DETROIT DIESEL SERIES 60 ENGINE.................................................9
5.5.1 Coolant Not Recommended..................................................................................................10
5.5.2 Inhibitors................................................................................................................................10
5.5.3 Inhibitor Test Procedures ......................................................................................................10
5.5.4 Additives Not Recommended................................................................................................10
5.6 COOLANT RECOMMENDATIONS FOR VOLVO D13 ENGINE..................................................................11
6. DRAINING COOLING SYSTEM .........................................................................................................12
7. FILLING COOLING SYSTEM .............................................................................................................12
8. FLUSHING...........................................................................................................................................13
8.1 COOLING SYSTEM DESCALERS ........................................................................................................13
8.2 REVERSE FLUSHING........................................................................................................................14
9. SPIN-ON COOLANT FILTER .............................................................................................................14
10. RADIATOR ......................................................................................................................................15
10.1 MAINTENANCE ................................................................................................................................15
11. CHARGE AIR COOLER LEAKAGE ...............................................................................................16
12. COOLING FAN DRIVE MECHANISM.............................................................................................16
12.1 DRIVE PULLEY AND UNIVERSAL JOINT SHAFT...................................................................................16
12.2 IDLER REPLACEMENT ......................................................................................................................16
13. VARIABLE SPEED COOLING FAN ...............................................................................................17

PREVOST X3-45 Multiplex Specifications

General

Length	45 ft
Width	102 in
Engine	Volvo D13
Horsepower	500 hp
GVWR	54, 000 lbs
Height	146 in
Sleeping Capacity	Varies based on floor plan
Water Capacity	Varies based on floor plan