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![]() TM 9-2320-363-20-2 
OVERVIEW (CONT) 
Air Tube Replacement (M917A1 and M917A1 w/MCS) ......................................................4-516.1 
Constant Air Junction Block Replacement ........................................................................4-517 
Cab Air Junction Block Replaceme nt ................................................................................4-521 
Forward Tractor Protection Valve Replacement 
(All Except M917A1 and M917A1 w/MCS) .....................................................................4-528 
Rear Tractor Protection Valve Replacement .....................................................................4-530 
Rear Relay Valve Replacement .......................................................................................4-532 
Front Service Brake Relay Valve Replacement ..................................................................4-534 
Front Gladhands Replacement ........................................................................................4-538 
Rear Gladhands Replacement .........................................................................................4-543 
Front Quick-Release Valve Replacement (M915A2) ..........................................................4-546 
Rear Quick-Release Valve Replacement ..........................................................................4-549 
Air Dryer Replacement (M915A2) .....................................................................................4-552 
Air Dryer Replacement (M916A1 and M916A2) .................................................................4-556 
Air Dryer Replacement (M917A1 and M917A1 w/MCS) .....................................................4-559.0 
Air Dryer Canister Replacement (All Except M917A1 and M917A1 w/MCS) ........................4-560 
Air Dryer Desiccant Cartridge Replacement (M917A1 and M917A1 w/MCS) .......................4-561.0 
Trailer Hand Brake Replacement .....................................................................................4-562 
Air Horn and Valve Replacement (All Except M917A1 and M917A1 w/MCS) ......................4-566 
Air Horn and Valve Replacement (M917A1 and M917A1 w/MCS) ......................................4-567.0 
Parking Brake and Trailer Air Supply Valve Replacement ..................................................4-568 
Foot Brake Valve Replacement ........................................................................................4-572 
Front Anti-Lock Brake System (ABS) Air Solenoid Replacement ........................................4-576 
Rear Anti-Lock Brake System (ABS) Air Solenoid Replacement .........................................4-579 
4-402 Change 3 
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