TRACTOR AIR BRAKE RELAY VALVE REPLACEMENT
THIS WORK PACKAGE COVERS
Machine parked on level ground (TM 5-3805-248-
Tools and Special Tools
Parking/emergency brake applied (TM 5-3805-248-
Tool kit, general mechanic's (Item 113, WP 0338
Bowl lowered to ground (TM 5-3805-248-10)
Engine shut down (TM 5-3805-248-10)
Battery disconnect switch in OFF position (TM 5-
Air pressure vented (TM 5-3805-248-10)
Wipe area clean around all connections to be opened during removal. Cap lines and plug openings after dis-
connecting lines. Contamination of air system could result in premature failure.
Tag hoses and fittings prior to disconnecting or removing to ensure correct installation.