TM-9-2320-272-23-4
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 4 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-4 - Page 1118 of 1393
ASSEMBLY - Continued
3
1
2
M10203DAA
Figure 15.
Transfer Case PTO Assembly.
NOTE
Steps (10) and (11) establish starting shim pack thickness.
10.
Install bearing cap (Figure 16, Item 5) on transfer case PTO (Figure 16, Item 2) and tap alternately around
outer edge with soft-faced hammer.
11.
Using feeler gauge, measure clearance between cap (Figure 16, Item 5) and transfer case PTO
(Figure 16, Item 2). Record measurement.
12.
Remove bearing cap (Figure 16, Item 5) from transfer case PTO (Figure 16, Item 2).
CAUTION
Do not apply sealer on mating surfaces.
NOTE
Use measurement obtained in Step (11) add a 0.003 in. (0.0762 mm) shim for starting shim
pack thickness.
13.
Install starting shim pack (Figure 16, Item 1) and bearing cap (Figure 16, Item 5) on transfer case PTO
(Figure
16,
Item
2) with four washers (Figure 16, Item 4) and screws (Figure 16, Item 3). Tighten screws
18 to 24 lb-ft (24 to 32 N·m).
14.
Position dial indicator (Figure 16, Item 7) plunger (Figure 16, Item 8) against PTO shaft (Figure 16, Item 6).
TM 9-2320-272-23-4
0725
0725-15
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