TM 5-3805-262-20
7-3. AIR BRAKE SYSTEM MAINTENANCE (CONT)
e. Double Check Valve and Stop
L i g h t S w i t c h. This task covers removal, cleaning,
inspection and repair, and installation of double check valve and stop light switch.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Socket wrench set, 3/8 inch drive
Fixed open end wrench set
Automotive Mechanics Tool Kit
S l i p j o i n t p l i e rs
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Insulation tape (Appendix C, item 5)
NOTE
PRELIMINARY PROCEDURE: Air reservoir drain valve opened, front access
d o o r u n l o c k e d a n d o p e n e d,
and battery ground cable disconnected (page
5-148).
REMOVAL (SHEET 1 OF 2)
( 1 ) D i r e c t l y b e h i n d h y d r a u l i c s y s t e m f i l t e r,
at double check valve and stop
l i g h t s w i t ch , remove two nuts (1) and washers (2).
(2)
Tag and disconnect two terminals (3) from double check valve and stop
l i g h t s w i t c h.
7-66