TM-9-2320-280-20-3
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 3 OF 3
JANUARY 1996
TM-9-2320-280-20-3 - Page 677 of 1168
12-49.
ARCTIC DIVERTER BOX MAINTENANCE
This task covers:
a. Removal
c. Assembly
b. Disassembly
d. Installation
INITIAL SETUP:
Applicable Models
M997A2, M1025A2, M1035A2, M1043A2,
M1045A2, M1097A2, M1123
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Plug button (Appendix G, Item 8)
Two blind rivets (Appendix G, Item 253)
Four blind rivets (Appendix G, Item 258)
Equipment Condition
Arctic diverter ducting removed (para. 12-56).
TM 9-2320-280-20-3
12-72
Change 2
NOTE
Refer to para. 10-66 for rivet removal.
1.
Remove four rivets (21) and transition diverter (12) from diverter (9).
2.
Remove screw (15), spring (16), and louver (17) from transition diverter (12).
3.
Remove two rivets (19), flap (20), and bracket (18) from diverter (9).
d. Installation
1.
Position diverter (9) under “A” beam (1) and connect two defroster flex ducts (2) on diverter (9).
2.
Secure flex ducts (2) to diverter (9) with two clamps (3).
3.
Connect defroster cable core (6) on baffle pin (10) with plug button (11).
4.
Install transition diverter (12) on transition (13) with two screws (14).
NOTE
Control cable must be pushed in, and baffle pin must be in
the upward position before securing control cable to diverter
box.
5.
Install clamp (4) on diverter (9) with screw (5).
6.
Install diverter (9) on heater (7) with two screws (8).
c. Assembly
NOTE
Refer to para. 10-66 for rivet installation.
1.
Install flap (20) and bracket (18) on diverter (9) with two rivets (19).
2.
Install louver (17) on transition diverter (12) with spring (16) and screw (15).
3.
Install transition diverter (12) on diverter (9) with four rivets (21).
1.
Remove two screws (14) from transition diverter (12) and transition (13).
2.
Remove two screws (8) from diverter (9) and heater (7).
3.
Remove screw (5) and clamp (4) from diverter (9)
4.
Remove plug button (11) and disconnect defroster cable core (6) from baffle pin (10). Discard plug
button (11).
5.
Pull diverter (9) away from “A” beam (1), loosen two clamps (3), and remove diverter (9) from
defroster flex ducts (2).
b. Disassembly
a. Removal
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