PREVOST H3-41 Maintenance Manual page 539

10 HIGH-BUOY SYSTEM (COACHES ONLY) ...................................................................................................... 50
10.1 PRINCIPLES OF OPERATION ......................................................................................................................... 51
10.2 MAINTENANCE............................................................................................................................................. 51
10.3 HIGH-BUOY - PRESSURE REGULATOR.......................................................................................................... 51
10.3.1 Adjustment........................................................................................................................................... 51
10.3.2 Disassembly ......................................................................................................................................... 51
10.3.3 Cleaning ............................................................................................................................................... 51
10.3.4 Reassembly .......................................................................................................................................... 52
11 LOW-BUOY SYSTEM (COACHES ONLY) ...................................................................................................... 52
11.1 PRINCIPLES OF OPERATION ......................................................................................................................... 52
11.2 MAINTENANCE............................................................................................................................................. 52
12 AIR SYSTEM .............................................................................................................................................. 52
12.1 AIR TANK MAINTENANCE ............................................................................................................................ 53
12.1.1 Wet Air Tank ........................................................................................................................................ 53
12.1.2 Primary Air Tank .................................................................................................................................. 53
12.1.3 Secondary Air Tank .............................................................................................................................. 54
12.1.4 Accessory Air Tank ............................................................................................................................... 54
12.1.5 Expansion Air Tank ............................................................................................................................... 54
12.2 EMERGENCY FILL VALVES............................................................................................................................. 55
13 TROUBLESHOOTING ................................................................................................................................. 55
14 SPECIFICATIONS ........................................................................................................................................ 57
PA1621 Maintenance Manual All Series | Section revised October 2018
SECTION 16 : SUSPENSION
3