TM 9-2320-273-20
ELECTRIC HORN AND CAB HEATER CONTROL.
5-67. HORN BUTTON MAINTENANCE (Continued).
LOCATION/lTEM
ACTION
REMARKS
A. REMOVAL (Continued).
7. Three screws (6).
I
8. Base plate (5).
I
Loosen and remove.
Remove.
B. INSTALLATION.
9.
10.
11.
12.
13.
14.
15.
16.
17.
Base plate (5).
Three screws (6).
Brass cup (4).
Spring (3) and retainer
(2).
Horn button (1).
Horn relay (7).
Hinged panel (8).
Three quarter turn
screws (9).
Batteries.
C. OPERATIONAL CHECK.]
18. Horn button (1).
Place in steering wheel.
Screw in and tighten.
Install.
Install over brass cup.
Install.
Install.
Raise into position.
Tighten.
Connect (refer to para 5-37 B).
Press. Verify that horn
operates.
Push down and turn clockwise.
5-240
