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 1037 of 1393

REMOVAL
NOTE
Transfer PTO-to-crane hydraulic pump propeller shaft and adapter come assembled as one
unit but adapter must be replaced separately.
1.
Remove four nuts (Figure 1, Item 3), lockwashers (Figure 1, Item 4), and screws (Figure 1, Item 5) from
propeller shaft (Figure 1, Item 14) and driveshaft flange (Figure 1, Item 17). Discard lockwashers.
2.
Rotate propeller shaft (Figure 1, Item 14) to position lubrication fitting (Figure 1, Item 6) at top.
3.
Support weight of pump (Figure 1, Item 9) with hydraulic jack.
4.
Remove four screws (Figure 1, Item 8) and lockwashers (Figure 1, Item 7) from pump (Figure 1, Item 9) and
mount (Figure 1, Item 12). Discard lockwashers.
5.
Separate pump (Figure 1, Item 9) from mount (Figure 1, Item 12) and slide toward rear of vehicle until pump
boss (Figure 1, Item 10) clears mount.
6.
Lower hydraulic jack enough to allow separation and removal of propeller shaft (Figure 1, Item 14) from pump
shaft (Figure 1, Item 11).
7.
Remove nut (Figure 1, Item 15) and washer (Figure 1, Item 16) from transfer PTO shaft (Figure 1, Item 2) and
slide driveshaft flange (Figure 1, Item 17) off transfer PTO shaft (Figure 1, Item 1).
M9049DAA
9
8
7
5
6
4
3
2
1
17
16
15
14
13
12
11
10
Figure 1.
Transfer PTO-to-Hydraulic Pump Propeller Shaft Removal.
END OF TASK
TM 9-2320-272-23-4
0714
0714-2


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