TM-9-2320-361-20
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
OCTOBER 1991
TM-9-2320-361-20 - Page 459 of 1207
TM 9-2320-361-20
4-31. AIR HORN, SOLENOID, AND BRACKET REPLACEMENT
This task covers:
a.
Solenoid
Removal
c. Air Horn Installtion
b. Air Horn Removal
d. Solenoid Installation
INITIAL SETUP:
APPLICABLE MODELS
All
MATERIALS/PARTS
Four lockwashers
Antiseize tape (Appendix C, Item 27)
REFERENCES (TM)
TM 9-2320-361-10
TM 9-2320-361-20P
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-361-10).
Hood raised and secured (TM 9-2320-361-10).
Battery ground cable disconnected (para. 4-48).
Air reservoirs drained (TM 9-2320-361-10).
GENERAL SAFETY INSTRUCTIONS
Do not disconnect air lines before draining air
reservoirs.
a. Solenoid Removal
WARNING
Do not disconnect air lines before draining air reservoirs. Small
parts under pressure may shoot out with high velocity, causing
injury to personnel.
1. Disconnect air line (2) from elbow (3).
2. Remove elbow (3) from air solenoid (4).
NOTE
Tag wires for installation.
3. Disconnect wire plugs (5) and (6) from air solenoid (4).
4. Remove air solenoid (4) and nipple (7) from air horn (1).
b. Air Horn Removal
1. Remove two nuts (10), lockwashers (11), screws (16), and air horn (1) from bracket (12). Discard
lockwashers(11).
2. Remove two nuts (14), lockwashers (13), screws (9), and bracket (12) from fender (15) and brace (8).
Discard lockwashers(13).
c. Air Horn Installation
1. Install bracket (12) on fender (15) with brace (8), two screws (9), new lockwashers (13), and
nuts (14).
2. Install air horn (1) on bracket (12) with two screws (16), new lockwashers (11), and nuts (10).
d. Solenoid Installation
NOTE
Clean all male pipe threads and wrap with antiseize tape before
installation.
1. Install nipple (7) and air solenoid (4) on air horn (1).
2. Install elbow (3) on air solenoid (4).
4-48
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