TM 9-2320-387-24-2
t 31-3. STEERING GEAR REPAIR (Cord)
h. Adjustment
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
For worm shaft bearing preload adjustment, remove locknut (1).
Using spanner wrench, tighten adjuster plug (2) clockwise until thrust bearing is firmly bottomed.
Match mark housing (3) and adjuster plug (2) face.
Measure back counterclockwise 0.5 in. (13 mm) and place second mark on housing (3).
Turn adjuster plug (2) counterclockwise until mark on face of adjuster plug (2) aligns with second
mark on housing (3).
Install locknut (1) on adjuster plug (2).
11.
12.
13.
14.
15.
Hold adjuster plug (2) using spanner wrench and tighten locknut (1).
Turn stub shaft (7) clockwise to stop, then back one-quarter turn.
Check torque required to turn stub shaft (7). Reading should be 4-10 lb-in. (0.5-l Nem).
If reading is not correct, turn adjuster plug (2) in or out and repeat steps 7 through 9 until torque
required to turn stub shaft (7) is 410 lb-in. (0.5-l Nom).
For pitman shaft-over-center adjustment, loosen adjuster screw locknut (5).
Turn adjuster screw (4) counterclockwise until fully extended, then turn clockwise one full turn.
Rotate stub shaft (7) from stop to stop and count number of turns.
Back off stub shaft (7) one-half number of turns counted.
With gear centered, flat on stub shaft (7) will face upward and block tooth (6) should be in line with
adjuster screw (4).
16.
17.
With gear at center of travel, check torque to turn stub shaft (7).
Turn adjuster screw (4) clockwise until torque to turn stub shaft (7) is 6-10 lb-in. (0.7-l N-m) more
than the reading obtained in step 16.
18.
Hold adjuster screw (4) and tighten locknut (5) to 20 lb-R (27 N-m).
SPANNER WRENCH
31-18
