TM-9-2320-283-20-3
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 3 OF 3
DECEMBER 1983
TM-9-2320-283-20-3 - Page 517 of 756
TM 9-2320-283-20-3
ACCESSORY ITEMS.
3-289. AIR HORN AND CONTROL VALVE REPLACEMENT (Continued).
LOCATION/ITEM
ACTION
REMARKS
WARNING
Never work on air system components
without first draining
air pressure.
Failure to follow this precaution can
result in serious personal injury.
A. REMOVAL.
1. Tube (14).
2. Hook (11).
Remove from item (13).
Remove from item (10) and
item (12).
Use pliers.
3. Elbow (13).
4. Valve (10).
5. Screw (17) and
washer (18).
Remove from item (10).
Remove from item (9).
Remove from item (12).
6. Screws (15) and
Remove from item (19).
Remove as many as need-
washers (16).
ed to pull down item
(19) for access.
7. Two screws (5),
Remove from item (4) and
washers (7),
item (6).
and nuts (8).
8. Horn assembly
(4).
Remove from item (2).
9. Gasket (6).
Remove from item (4).
Discard item (6).
10. Nipple (9).
Remove from item (4).
11. Screw (5), washer
Remove from item (2) and
Discard item (1).
(7), and nut (8).
item (1).
12. Liner (3).
Remove from item (2).
Discard item (3).
3-1690
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