TM-9-2320-280-20-2
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 2 OF 3
JANUARY 1996
TM-9-2320-280-20-2 - Page 197 of 951
4-4. ALTERNATOR MOUNTING BRACKETS REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
NOTE
If the connection is loose between alternator bracket and
alternator, tightening mounting bolts further may cause
alternator bracket to fail. Notify DS maintenance to modify an
older bracket.
1.
Remove capscrew (4), lockwasher (5), washer (6), and alternator adjusting bracket (7) from
alternator mounting bracket (9). Discard lockwasher (5).
2.
Remove bolt (1) and lockwasher (2) from power steering bracket (3), alternator mounting
bracket (9), and engine (21). Discard lockwasher (2) and bolt (1).
3.
Remove capscrew (12), lockwasher (11), and washer (10) from alternator mounting bracket (9) and
power steering bracket (3). Discard lockwasher (11).
4.
Remove capscrew (25), lockwasher (24), and washer (23), and swing power steering pump (22)
down. Discard lockwasher (24).
5.
Remove two bolts (8) and alternator mounting bracket (9) from engine (21). Discard bolts (8).
NOTE
Perform steps 8 and 9 for vehicles with new alternator support
bracket configuration.
6.
Remove nut (20), washer (19), capscrew (13), spacer (17), and clamps (18) from support bracket (14).
7.
Remove socket-head screw (16), washer (15), and support bracket (14) from engine (21).
8.
Remove nut (20), two washers (19), capscrew (13), power steering lines bracket (27), and harness
clamp (26) from clamps (18).
9.
Remove nut (16), washer (15), and support bracket (14) from engine (21).
NOTE
Perform steps 3 and 4 for vehicles with new alternator support
bracket configuration.
1.
Install support bracket (14) on engine (21) with washer (15) and socket-head screw (16). Tighten
socket-head screw (16) to 25-33 lb-ft (34-45 N
•
m).
2.
Install spacer (17) and clamps (18) on support bracket (14) with capscrew (13), washer (19), and
nut (20).
3.
Install support bracket (14) on engine (21) with washer (15) and nut (28). Tighten nut (28)
to 35 lb-ft (47 N
•
m).
4.
Install power steering lines bracket (27) and harness clamp (26) on clamps (18) with washer (19),
capscrew (13), washer (19), and nut (20).
b. Installation
a. Removal
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Two lockwashers (Appendix G, Item 133)
Two bolts (Appendix G, Item 5)
Bolt (Appendix G, Item 4)
Lockwasher (Appendix G, Item 191)
Lockwasher (Appendix G, Item 178)
Manual References
TM 9-2320-280-24P
Equipment Condition
• 60 ampere alternator removed (para. 4-2).
• 100 ampere alternator removed
(para. 12-23 or 12-24).
• 200 ampere alternator removed
(para. 4-109 or 4-110).
TM 9-2320-280-20-2
4-10
Change 3
Back to Top
