TM 9-2320-273-20
BRAKE SYSTEM.
a. Unscrew and remove.
b. Inspect for:
1. Cracks.
2. Damaged fittings.
Replace if necessary.
9-24. RELAY VALVE MAINTENANCE (Continued).
LOCATION/ITEM
ACTION
REMARKS
Do not remove relay valve until pressure
is fully exhausted from all reservoirs.
A . R E M O V A L .
1. Pilot line (6), two brake
chamber lines (7) and (8),
and supply line (9).
9-91
