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 46 of 951
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Two flat washers (Appendix G, Item 37)
Gasket (Appendix G, Item 41)
Sealing compound (Appendix C, Item 40)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
Equipment Condition
Hood raised and secured (TM 9-2320-280-10).
3-14. AIR HORN REPLACEMENT
1.
Remove two screws (2), washers (3), and flat washers (4) securing air horn (5) to intake
manifold (7). Discard flat washers (4).
2.
Loosen clamp (10) and disconnect air intake elbow (9) from air horn (5).
CAUTION
Cover opening of intake manifold to prevent foreign material from
entering engine.
3.
Loosen clamp (1) securing air horn (5) to engine lift bracket (8) and slide clamp (1) from engine lift
bracket (8). Remove air horn (5) from intake manifold (7).
4.
Remove gasket (6) from intake manifold (7). Discard gasket (6).
5.
Remove clamp (1) from air horn (5).
1.
Install clamp (1) on air horn (5).
2.
Install gasket (6) on intake manifold (7).
3.
Coat threads of screws (2) with sealing compound. Install air horn (5) on intake manifold (7) with
two flat washers (4), washers (3), and screws (2). Tighten screws (2) to 40-45 lb-in. (5-6 N
•
m).
4.
Connect elbow (9) to air horn (5) and tighten clamp (10) to 45-50 lb-in. (5-6 N
•
m).
5.
Slide clamp (1) on engine lift bracket (8) and air horn (5) and tighten clamp (1) to 40-45 lb-in.
(5-6 N
•
m).
b. Installation
a. Removal
TM 9-2320-280-20-2
3-26
Change 3
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