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 - Page 1155 of 1469
REMOVAL
1.
Bend two long tabs (Figure 1, Item 9) of retainer (Figure 1, Item 5) out of notches in pitman arm
(Figure
1,
Item
10).
2.
Bend two short tabs (Figure 1, Item 4) out of notches in retainer (Figure 1, Item 5).
3.
Remove retainer (Figure 1, Item 5) and pitman arm (Figure 1, Item 10) from shaft (Figure 1, Item 11) of steering
gear (Figure 1, Item 1). Discard retainer, tab lockwasher, and friction washer.
4.
Remove friction washer (Figure 1, Item 6), tab lockwasher (Figure 1, Item 7), and three nylon balls
(Figure
1,
Item
8) from retainer (Figure 1, Item 5).
M5027DAA
6
4
9
4
3
2
1
5
11
10
5
9
8
7
Figure 1.
Pitman Arm Removal.
END OF TASK
INSTALLATION
1.
Press friction washer (Figure 2, Item 6) and tab lockwasher (Figure 2, Item 7) into slot on retainer
(Figure
2,
Item
5).
2.
Press three nylon balls (Figure 2, Item 8) into indentations on retainer (Figure 2, Item 5).
3.
Align marks (Figure 2, Items 2 and 3), and position pitman arm (Figure 2, Item 10) on output shaft
(Figure
2,
Item 11).
4.
Install retainer (Figure 2, Item 5) into shaft (Figure 2, Item 11) until drag is felt on friction washer
(Figure
2,
Item
6).
5.
Align long tabs (Figure 2, Item 9) to notches on pitman arm (Figure 2, Item 10) and bend tabs into notches.
6.
Tighten retainer (Figure 2, Item 5) 225 lb-ft (305 N·m).
7.
Bend two short tabs (Figure 2, Item 4) into notches on retainer (Figure 2, Item 5). Tighten retainer, if necessary,
to align notches.
TM 9-2320-272-23-3
0501
0501-2
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