TM 9-2320-279-20-2
Brake and Air System Maintenance Instructions (Cont)
FRONT DOUBLE CHECK VALVE REMOVAL/INSTALLATION (CONT).
b. Installation.
WARNING
Adhesives, solvents, and sealing
compounds can burn easily, can give off
harmful vapors, and are harmful to skin
and clothing. To avoid injury or death,
keep away from open fire and use in
well-ventilated area. If adhesive, solvent,
or sealing compound gets on skin or
clothing, wash immediately with soap and
water.
NOTE
Do step (1.1) for M984E1 only. Do step (1)
for all others.
(1)
Coat threads with pipe thread
sealing compound and install three
elbows (1, 2, and 3) in upper double
check valve (4).
(1.1) Coat threads with pipe thread
sealing compound and install three
elbows (1, 2, and 3), one street
elbow (3.1), and adapter (3.2) in
upper double check valve (4).
(2)
Coat threads with pipe thread sealing compound and install two elbows (5 and 6) in middle
double check valve (7).
(3)
Coat threads with pipe thread
sealing compound and install two
elbows (8) and 9) in lower double
check valve (10).
(4)
Install middle double check
valve (7) and lower double check
valve (10) on nipple (11).
NOTE
Some vehicles have a screw, lockwasher,
and nut. Others have a screw and
flanged nut.
(5)
Install upper double check
valve (4) with screw (12),
lockwasher (13), and nut (14).
(6)
Install three air lines (15) on
upper double check valve (4).
11-60
Change 2
