TM 9-2330-383-14&P
e. Remove leveling valve (3).
f. Remove three elbows (13, 14 and 15).
INSTALLATION
NOTE
Apply anti-seize tape to all pipe threads before connecting.
a. Install three elbows (15, 14 and 13).
b. Position leveling valve (3) and secure with two screws (12), washers (11),
c. Secure bottom connection with lockwashers (8) and nut (7).
d. Connect three tubes (6, 5 and 4).
e. With towing vehicle air supply connected to trailer, wait 2 minutes for
system to charge, and verify proper adjustment by measuring 57 inches from
the ground to the top of the trailer bulkhead (front or back). If bulkhead is
too high, proceed to step h. If bulkhead is too low, proceed to step i.
NOTE
When installing a new rear vertical control rod, cut it to the same
length as the one being replaced.
f. For the rear leveling valve only, slant the vertical control rod (16) forward
so the distance between center of remaining bolt on valve and the cotter pin
on upper clam is 10 +1/4 inches.
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