TM-9-2320-272-23-2

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

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5

SEPTEMBER 2012

  TM-9-2320-272-23-2 - Page 1107 of 1417

INSTALLATION
WARNING
Alternator is heavy. Assistant will help with alternator removal. Failure to comply may result
in injury or death to personnel.
1.
Install woodruff key (Figure 4, Item 5) in groove of pulley shaft (Figure 4, Item 6) with flat edge up.
2.
Install pulley (Figure 4, Item 1) on pulley shaft (Figure 4, Item 6) with keyway (Figure 4, Item 7) on woodruff
key (Figure 4, Item 5).
3.
Place alternator pulley (Figure 4, Item 1) in vise (Figure 4, Item 2).
4.
Install washer (Figure 4, Item 3) and locknut (Figure 4, Item 4) on pulley shaft (Figure 4, Item 6). Tighten locknut
90 to 95 lb-ft (122 to 128 N·m).
TM 9-2320-272-23-2
0300
0300-6


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