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 TM 9-2320-285-24-1
2-72. AIR HORN MAINTENANCE|
This task covers:
a.
Removal
d. Inspection
b.
Disassembly
e. Reassembly
c.
Cleaning
f. Installation
g.
Adjustment
INITIAL SETUP
Tools
No. 1 Common Organizational Maintenance
Diaphragms
FSCM 06853 PN 212685
Tool Kit
Adhesive
FSCM 04963 PN 4500
Screwdriver
Socket wrench set
Personnel Required
Open end wrench set
Wheel Vehicle Mechanic MOS 63B
Safety glasses
Equipment Condition
Materials/Parts
Paragraph
Condition Description
Cleaning
solvent
Item 1 Appendix C
Vehicle parked on level
Clean cloths
Item 2 Appendix C
surface engine off and
Detergent
Item 27 Appendix C
parking brake applied.
Teflon tape
Item 43 Appendix C
Right side window open.
Two tie straps
FSCM 96906 PN MS3667-1-9
2-41h(1)
All air pressure relieved.
Gasket
FSCM 06853 PN 231435
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
1
Cab roof
a. Elbow (7)
Loosen nut
b. Tubing (1)
Disconnect
From elbow (7)
c. Screw (2)
Remove
From cab roof
washer (3)
and chain (4)
d. Chain (4) and
Remove
From valve (8) lever
S-hook (5)
e. Elbow (6) with
Remove
From nipple (9)
valve (8)
f. Elbows (6 and
Remove
From valve (8)
7)
g. Nipple (9)
Remove
h. Nut (10) lock
Remove
washer (11)
and washer
(12)
CAUTION
Head liner is glued in place. Do not tear or rip headliner in following step.
2-806
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