TM 5-3805-262-34
3-12. AIR BRAKE SYSTEM MAINTENANCE (CONT)
d. Double Check Valve and Stop Light Switch.
This task covers disassembly,
cleaning, inspection, repair, reassembly, and testing of double check valve and stop
light switch.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Safety glasses
Screwdriver
Socket wrench set, 3/8 inch drive
Multimeter
Fixed open end wrench set
Vise
Reducer, 1/2 to 1/4 NPT
Pipe plug, 3/8 NPT
Pipe plug, 1/4 NPT
Air hose, with 1/4 NPT fitting
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Abrasive cloth (Appendix C, item 8)
Silicone lubricant (Appendix C, item 18)
Gasket (FSCM 06853 PN 247181)
O-ring (FSCM 06853 PN 239658)
REFERENCE: TM 5-3805-262-20
NOTE
PRELIMINARY PROCEDURE: Double check valve
from loader (refer to TM 5-3805-262-20).
and stop light switch removed
3-459