4-11. AUTOMATIC BRAKE VALVE
This task covers:
Tool kit SC4940-97-CL-E12
Dry-cleaning solvent (Item 34, Appendix B)
Pneumatic grease (Item 18, Appendix B)
Emery cloth (Item 5, Appendix B)
Powder graphite (Item 12, Appendix B)
4C Test rack
Lubricating oil (Item 21, Appendix B)
4C-36 Test plate PC 560958
Lime-base grease (Item 17, Appendix B)
Gasket PC 557395
Wiping rags (Item 32, Appendix B)
Automatic brake valve removed
Valve assemblies are under a spring load. Use caution during disassembly
procedures so that no parts fly out, causing injury to personnel.
When removing or repairing brake valves or components, check air lines and pipes
for corrosion, breaks, splits, or loose connections. Repair of air lines and piping
consists of replacing defective pipes, lines, and connections. Refer to TM 55-2210-
224-24P for identification of piping.
Place handle (3) in HANDLE OFF position. Remove retaining socket-head screw (1)
and flat washer (2) and remove
Remove two socket-head screws (4) and quadrant (5) from cam housing (22).
Turn regulating valve adjusting handle (6) and release tension on adjusting spring (68). 4. Set cutoff valve control
knob (8) to OUT.