TM 9-2330-235-14&P
4-38. TORSION BAR ADJUSTMENT (M514).
This Task Covers:
a. Minor Adjustment
b
Major Adjustment
Initial Setup:
Equipment Conditions:
Materials/Parts (required for Major Adjustment only):
One expansion plug
One gasket
Tools/Test Equipment:
Three cotter pins
General mechanic's tool kit
Common no. 1 shop set
Floor jack
a. MINOR ADJUSTMENT
NOTE
Minor adjustments to compensate from slight variations in the strength of different
torsion bars can be made using adjusting screw.
1. With trailer loaded and level, measure distance
from top of frame to ground. Measurement should
be 22 in. (55.9 cm). If height is not correct, adjust
as follows:
(a) Loosen nuts (2) on each clevis (1 and 4).
(b) Turn adjusting screw (3) to adjust height. To raise
trailer frame, clevis assembly must be shortened.
To lower trailer frame, clevis assembly must be
lengthened.
(c) When trailer height is correct, tighten nuts
(2) on each clevis (1 and 4).
2. If trailer height cannot be corrected by this
adjustment, turn adjusting screw (3) until distance
between clevis pin centers is at nominal length of
84 in (22. cm) Perform MAJOR ADJUSTMENT
(subpara b).
4-90