SECTION 12: BRAKE AND AIR SYSTEM
Section 12 Updated Oct.2014 X3-45 Commuter PA1593 DOB 2400-2489 1
CONTENTS
1. AIR SYSTEM ......................................................................................................................................... 4
2. BRAKES ................................................................................................................................................ 4
3. AIR RESERVOIRS ................................................................................................................................ 4
3.1 MAINTENANCE .................................................................................................................................. 4
3.1.1 Wet (Main) Air Tank ................................................................................................................. 4
3.1.2 Primary Air Tank ...................................................................................................................... 4
3.1.3 Accessory Air Tank.................................................................................................................. 4
3.1.4 Secondary Air Tank ................................................................................................................. 5
3.1.5 Kneeling Air Tank .................................................................................................................... 5
3.1.6 Parking Brakes Overrule Air Tank ........................................................................................... 5
3.2 PING TANK ........................................................................................................................................ 5
4. AIR SYSTEM EMERGENCY FILL VALVES ......................................................................................... 5
5. ACCESSORY AIR FILTER .................................................................................................................... 6
5.1 FILTER ELEMENT REPLACEMENT ....................................................................................................... 6
5.2 CLEANING ......................................................................................................................................... 6
6. AIR GAUGES (PRIMARY, SECONDARY AND ACCESSORY) ........................................................... 6
7. AIR FILTER/DRYER .............................................................................................................................. 6
7.1 AIR FILTER/DRYER PURGE TANK ......................................................................................................... 7
8. HALDEX CONSEP ® CONDENSER / SEPARATOR ........................................................................... 7
8.1 MAINTENANCE ................................................................................................................................... 7
9. AIR LINES ............................................................................................................................................. 7
9.1 COPPER PIPING ................................................................................................................................. 7
9.2 FLEXIBLE HOSES .............................................................................................................................. 8
9.3 NYLON TUBING ................................................................................................................................. 8
9.4 AIR LINE OPERATING TEST ................................................................................................................ 8
9.5 AIR LINE LEAKAGE TEST .................................................................................................................... 8
9.6 MAINTENANCE .................................................................................................................................. 8
10. PRESSURE REGULATING VALVES ................................................................................................ 8
10.1 MAINTENANCE............................................................................................................................... 8
10.2 PRESSURE SETTING PROCEDURE .................................................................................................. 9
11. AIR COMPRESSOR .......................................................................................................................... 9
11.1 COMPRESSOR REMOVAL AND INSTALLATION................................................................................. 10
12. EMERGENCY/PARKING BRAKE CONTROL VALVE (PP-1) ........................................................ 10
13. EMERGENCY / PARKING BRAKES OVERRULE CONTROL VALVE (RD-3) .............................. 10
14. FLIP-FLOP CONTROL VALVE (TW-1) ........................................................................................... 11
15. DUAL BRAKE APPLICATION VALVE (E-10P) .............................................................................. 11
15.1 BRAKE PEDAL ADJUSTMENT ........................................................................................................ 11
15.1.1 Maintenance .......................................................................................................................... 11
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