DISASSEMBLY - TM-9-2320-270-20-30376

TM 9-2320-270-20-3

AIR HORN - CONTINUED

ACTION

ITEM

REMARKS

LOCATION

DISASSEMBLY

NOTE

Except as noted, steps are the same for disassembling both right and left horn.

However, do not mix parts. Right horn is shown,

a. Using cross-tip screwdriver, unscrew

Four screws (3),

9. Cover(1) to

and take out.

four Iockwashers (4),

body (2)

b. Get rid of Iockwashers (4).

and one tag (5)

Left horn does not have part

number tag.

Lift off.

10. Body (2)

Cover (1)

Take out.

Spring (6), contact

11.

(7), and diaphragm (8)

Snap out.

Contact (7)

12. Spring (6)

Using 5/32-inch key, and 1/2-inch

Spring seat (9) and

13. Cover (1)

nut (10)

wrench, unscrew and take off.

Using adjustable wrench, unscrew and take

Bell (11)

14. Body (2)

off.

Using pocket knife, pry out.

Screen (12)

15. Bell (11)

CAUTION

Do not remove coupling unless inspection shows need for replacement.

Using pipe wrench, unscrew and take off.

16. Body (2)

Coupling (13)

Repeat steps 9 thru 17.

Left horn (14)

17.

CLEANING

All parts

Clean according to general maintenance

18.

instructions (page 4-1).

4-1254