TM 5-3805-261-34BRAKES TROUBLESHOOTING AND MAINTENANCE PROCEDURES. (cont)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONi.PARKING BRAKE NOT RELEASING CORRECTLY.Step 1.Check for air pressure at supply port of control valve.If no air pressure at supply port--troubleshoot air system.Step 2.Check clearance adjustment of control valve.Adjust control valve, if necessary. Refer to paragraph 6-5.Step 3.Check for wear or damage to control valve.If control valve is worn or damaged--replace. Refer to paragraph 6-5.Step 4.Check for wear or damage to quick release valve.If quick release valve worn or damaged--repair. Refer to paragraph 6-4.Step 5.Check for worn or damaged parking brake actuator.If parking brake actuator is worn or damaged--repair. Refer to paragraph 6-4.Step 6.Check adjustment of rod end on parking brake actuator to ensure that with the brake off, a small amount of free travel of lever on transmission is permitted.If no free travel is permitted--adjust rod end. Refer to paragraph 6-4. Repair parking brake after completing steps 1 thru 6, if necessary.j.SERVICE BRAKES NOT ENGAGING CORRECTLY.Step 1.Check for air pressure at supply ports of control valve.If no air pressure at supply ports--troubleshoot air system.Step 2.Check adjustment of pedal stop to ensure it permits enough travel of brake pedal to operate brakes.If not enough travel is permitted--adjust pedal. Refer to paragraph 6-8.6-8
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
