Table 3-1. Operator Troubleshooting (Continued)
TEST OR INSPECTION
Check for open dump valve on air tank reservoir.
If dump valve is open, release any binding of cable and see if valve snaps shut.
If dump valve does not snap shut, notify Unit Maintenance.
Inspect air line connections for leaks.
Notify Unit Maintenance if leaks are found.
Check for moisture in air reservoirs by releasing air from dump valve.
If moisture is present, allow reservoir to drain.
Notify Unit Maintenance if no moisture is present.
BRAKES FAIL TO ENGAGE.
Check control (blue/service) air line connection at gladhand.
If line is not properly connected, remove and reconnect.
If no air is flowing from prime mover, notify Unit Maintenance and use another prime
Check for dirty or damaged packing in the gladhand.
Notify Unit Maintenance if packing is leaking.
Inspect control (blue/service) air line for damage.
Notify Unit Maintenance if damage is found.
Check brake system hardware for damaged or missing components.
Notify Unit Maintenance for further inspections and/or repairs.
Check for low air pressure.
If pressure is low, build up pressure.
If pressure remains low, notify Unit Maintenance.