3-46. AUTOMATIC BRAKE VALVE
This task covers:
Tool kit SC 4940-97-CL-E12
Whenever the automatic brake valve is removed and installed for any reason, a stationary vehicle airbrake test
must be performed to check that the automatic brake valve functions properly in the brake equipment arrangement.
Failure to perform test may result in injury to personnel.
Make sure air is drained before removal of the automatic brake valve. Residual air may escape and cause injury
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-
Remove eight screws (1) and panel (2).
Remove four locknuts (3), flat washers (4), and bolts (5).
Remove four bolts (6).
Remove regulating valve handle (7).
Remove automatic brake valve (8).
Automatic brake valve must be repaired at intermediate general support level facility.