TM 5-3805-262-34
3-12. AIR BRAKE SYSTEM MAINTENANCE (CONT)
d. Double Check Valve and Stop Light Switch (Cont).
DISASSEMBLY
LEGEND
1. Screws (2)
2. Lock washers (2)
3. Cover
4. Gasket
5. Spring
6. Switch contact
7. Piston
8. Diaphragm
9. Capscrews (2)
10. Cap
11. Shuttle
12. Shuttle guide
13. O-ring
14. Body
(1) press down on cover (3) and loosen and remove two screws (1) and lock
washers (2).
(2) Remove cover (3), gasket (4), and spring (5). Discard gasket (4).
(3) Remove switch contact (6).
(4)
(5)
(6)
(7)
(8)
(9)
Remove piston (7) and diaphragm
(8).
Put body (14) in vise as shown.
Loosen and remove two capscrews
(9) and remove cap (10). Shut-
tle guide (12) may come off
with cap (10).
Remove shuttle (11) from body (14).
Pull shuttle guide (12) from cap (10).
Remove and discard O-ring (13) from cap (10).
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