TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 771 of 1258
TM 9-2320-280-34
16 - 6.
ARTIC HEATER ELBOW TO EXHAUST DIVERTER ELBOW REPLACEMENT
This task covers:
a.
Removal
b.
Installation
INITIAL SETUP:
Tools
Manual References
General mechanic's tool kit:
TM 9-2320-280-24P
automotive (Appendix G, Item 1)
General Safety Instructions
Materials/Parts
Do not touch hot exhaust system with bare hands.
Two cotter pins (Appendix E, Item 10)
Four locknuts (Appendix E, Item 54)
Maintenance Level
Thermaseal (Appendix E, Item 207)
Direct support
WARNING
Do not touch hot exhaust system components with bare hands.
Severe injury will result.
a. Removal
1.
Remove three capscrews (11) and dust unloader cover plate (10) from air cleaner bracket (12).
2.
Remove four locknuts (7), heater elbow (2), and thermaseal (1) from cowl (13). Discard locknuts (7)
and thermaseal (1).
3.
Remove cotter pin (3) and heater elbow (2) from exhaust pipe elbow (6). Discard cotter pin (3).
4.
Remove cotter pin (8) and exhaust pipe elbow (6) from exhaust diverter box (9). Discard cotter pin (8).
5.
Remove two clamps (4) and insulator sleeve (5) from exhaust pipe elbow (6).
b.
Installation
1.
Install insulator sleeve (5) on exhaust pipe elbow (6) with two clamps (4).
2.
Install exhaust pipe elbow (6) on exhaust diverter box (9) with cotter pin (8).
3.
Connect exhaust pipe elbow (6) to heater elbow (2) with cotter pin (3).
4.
Install thermaseal (1) on exhaust pipe (14) and secure heater elbow (2) on cowl (13) with four locknuts (7).
Install dust unloader cover plate (10) on air cleaner bracket (12) with three capscrews (11).
16-6
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