TM-9-2320-272-23-3

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5

SEPTEMBER 2012
TM-9-2320-272-23-3

  TM-9-2320-272-23-3 - Page 601 of 1469

REMOVAL
NOTE
•
Perform Step (1) for left steering knuckle only.
•
Perform Step (2) for right steering knuckle only.
1.
Remove cotter pin (Figure 1, Item 6), nut (Figure 1, Item 5), and drag link (Figure 1, Item 4) from steering
knuckle arm (Figure 1, Item 23). Discard cotter pin.
2.
Remove cotter pin (Figure 1, Item 28), nut (Figure 1, Item 27), and socket assembly (Figure 1, Item 25) with
ball stud (Figure 1, Item 26) from steering knuckle arm (Figure 1, Item 23). Discard cotter pin.
3.
Remove cotter pin (Figure 1, Item 9), nut (Figure 1, Item 10), and tie rod (Figure 1, Item 11) from steering
knuckle (Figure 1, Item 21). Discard cotter pin.
4.
Remove four nuts (Figure 1, Item 2), lockwashers (Figure 1, Item 1), bushings (Figure 1, Item 24), and steering
knuckle arm (Figure 1, Item 23) from steering knuckle (Figure 1, Item 21). Discard lockwashers.
5.
Remove lubrication fitting (Figure 1, Item 3) from steering knuckle arm (Figure 1, Item 23).
6.
Insert two puller screws into screw holes (Figure 1, Item 8) of upper sleeve (Figure 1, Item 22), and remove
from steering knuckle (Figure 1, Item 21).
7.
Remove spacer (Figure 1, Item 7) from upper sleeve (Figure 1, Item 22).
8.
Remove two screws (Figure 1, Item 20) and washers (Figure 1, Item 19) from seal guard (Figure 1, Item 18)
and steering knuckle (Figure 1, Item 21).
9.
Remove grease fitting (Figure 1, Item 15), four screws (Figure 1, Item 16), lockwashers (Figure 1, Item 17),
lower plate (Figure 1, Item 12), and seal guard (Figure 1, Item 18) from steering knuckle (Figure 1, Item 21).
Discard lockwashers.
10.
Insert two puller screws into screw holes (Figure 1, Item 12) of lower sleeve (Figure 1, Item 13), and remove
from steering knuckle (Figure 1, Item 21).
11.
Remove lockwire (Figure 1, Item 31) and twelve screws (Figure 1, Item 29) from dust seal plate
(Figure
1,
Item
30) and steering knuckle (Figure 1, Item 21). Discard lockwire.
12.
Remove dust seal plate (Figure 1, Item 4) and seal (Figure 1, Item 3) from steering knuckle (Figure 1, Item 7).
13.
Remove steering knuckle (Figure 1, Item 7) from axle kingpins (Figure 1, Items 2 and 5).
TM 9-2320-272-23-3
0412
0412-2


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