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 609 of 1469
END PLAY TEST
1.
Position dial indicator (Figure 5, Item 2) with magnetic stand on front axle housing (Figure 5, Item 4) next to
steering arm (Figure 5, Item 3).
2.
Adjust dial indicator (Figure 5, Item 2) until pointer touches center of steering arm mounting plate
(Figure
5,
Item
1). Note reading on dial indicator pointer.
3.
Position prybar (Figure 5, Item 6) and jack stand (Figure 5, Item 5) under steering knuckle (Figure 5, Item 7).
4.
Pry up on steering knuckle (Figure 5, Item 7) and observe dial indicator reading (Figure 5, Item 2).
a.
If dial indicator reading is 0.004 to 0.014 in. (0.1 to 0.36 mm), steering knuckle end play is within limits.
b.
If dial indicator reading is greater than 0.014 in. (0.36 mm), remove upper sleeve and install a
thicker
spacer.
c.
If dial indicator reading is less than 0.004 in. (0.1 mm), remove upper sleeve and install a thinner spacer.
5.
Remove dial indicator (Figure 5, Item 2) from front axle housing (Figure 5, Item 4).
6.
Remove prybar (Figure 5, Item 6) and jack stand (Figure 5, Item 5) from steering knuckle (Figure 5, Item 7).
TM 9-2320-272-23-3
0412
0412-10
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