TM 9-2320-289-20
7-10.
REAR BRAKE LINES AND PROPORTIONING VALVE REPLACEMENT AND
ADJUSTMENT (Con’t).
11.
Connect brake pipe (2)
screw (11).
12.
Position brake pipe (2)
(4). Connect fitting (1) to brake pipe.
c.
VALVE ADJUSTMENT
to proportioning valve (7). Install clip (10) on brake pipe and install with
along frame. Install 3 clips (3) on brake pipe and install with 3 screws
1.
Perform step 9 of REMOVAL as required.
2.
Position “D”-shaped hole of proportioning valve adjustment gage (19) over “D” -shape of
proportioning valve (7) shaft, Rotate shaft until tang (15) can be positioned in proportioning
valve lower mounting hole.
3.
Perform step 4 of INSTALLATION.
4.
Cut tang (15) off of proportioning valve adjustment gage (19).
FOLLOW-ON TASKS:
• Remove jack stands and lower truck as required.
• Bleed brake system. (See paragraph 7-6)
• Check operation of brakes.
TA49680
7-32
