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 TM9-2320-270-20-2
SPRING BRAKE RELAY AND DOUBLE CHECK VALVE - CONTINUED
ACTION
REMARKS
ITEM
LOCATION
REMOVAL
WARNING
Make sure all pressure is drained from air system before disconnecting air lines. Parts
under pressure can, when removed, fly off with great force causing injury to personnel.
NOTE
It is not necessary to remove relay to replace double check valve. To replace only double
check valve, perform steps 6 to 11, 14, 23 to 26, 29 to 32, 42 to 44, and 50 to 57.
Tag air hoses according to general maintenance instructions (page 4-1).
Drain (TM 9-2320-270-10).
Air system
1.
a. Hold end fittings (7) with 13/16-inch
Air hoses 023 (3),
2. Two branch tees (1)
wrench.
082 (4), 022 (5),
and (2)
b. Using 11/16-inch wrench, unscrew nuts
and 081 (6)
(8) and take off.
TA240509
4-797
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