PREVOST H3-41 Maintenance Manual page 405

CONTENTS
SECTION CHANGE LOG ........................................................................................................................................... 4
1. TORQUE TABLES ............................................................................................................................................. 5
1.1 BRAKE AND AIR SYSTEM ................................................................................................................................ 5
1.2 MISCELLANEOUS TORQUES ........................................................................................................................... 6
2. AIR SYSTEM .................................................................................................................................................... 8
3. BRAKES .......................................................................................................................................................... 8
4. AIR RESERVOIRS ............................................................................................................................................. 8
4.1 OPTIONAL WET TANK AUTOMATIC DRAIN VALVE ......................................................................................... 8
4.1.1 Installation ............................................................................................................................................. 8
4.2 MAINTENANCE............................................................................................................................................... 9
4.2.1 Wet Air Tank ........................................................................................................................................ 10
4.2.2 Primary Air Tank .................................................................................................................................. 10
4.2.3 Accessory Air Tank ............................................................................................................................... 10
4.2.4 Secondary Air Tank .............................................................................................................................. 10
4.2.5 Kneeling Air Tank ................................................................................................................................. 10
4.2.6 I-Shift Transmission Air Tank ................................................................................................................ 10
4.2.7 Optional Parking Brakes Overrule Air Tank .......................................................................................... 10
4.3 PING TANK ................................................................................................................................................... 10
5. AIR SYSTEM EMERGENCY FILL VALVES .......................................................................................................... 10
6.
ACCESSORY AIR FILTER ................................................................................................................................. 11
6.1 ACCESSORY AIR FILTER ELEMENT ................................................................................................................ 11
6.2 CLEANING .................................................................................................................................................... 11
7. AIR GAUGES (PRIMARY, SECONDARY AND ACCESSORY) ............................................................................... 11
8. AIR DRYER .................................................................................................................................................... 12
8.1 REPLACING THE DESICCANT CARTRIDGE ..................................................................................................... 12
8.2 AIR LEAK CHECK / WARNING ....................................................................................................................... 13
9. OPTIONAL HALDEX CONDENSER - SEPARATOR ............................................................................................. 13
9.1 MAINTENANCE............................................................................................................................................. 13
10. AIR LINES .................................................................................................................................................. 14
10.1 FLEXIBLE HOSES ........................................................................................................................................... 14
10.2 NYLON TUBING ............................................................................................................................................ 14
10.3 AIR LINE OPERATING TEST ........................................................................................................................... 14
10.4 AIR LINE LEAKAGE TEST................................................................................................................................ 14
10.5 MAINTENANCE............................................................................................................................................. 14
11. PRESSURE REGULATING VALVES ............................................................................................................... 15
11.1 MAINTENANCE............................................................................................................................................. 15
11.1.1 Pressure Setting Procedure .................................................................................................................. 15
12.
AIR COMPRESSOR ..................................................................................................................................... 15
SECTION 12: BRAKE AND AIR SYSTEM
PA1621 Maintenance Manual All Series | Revised June 2020 1