T a b l e 3-1.
O p e r a t o r Troubleshooting Table - continued
TEST OR INSPECTION
Check for dirty or corroded connectors at back of light.
If cleaning does not correct the malfunction, notify Organizational
DIM OR FLICKERING LIGHTS.
If connections are loose, tighten.
If connector pins are dirty or corroded, clean pins (para. 3-6).
If connections are tight and clean, go to step 2.
Check for defective bulb.
If bulb is defective, notify Organizational Maintenance.
If bulb is not defective, and malfunction is not corrected, notify
BRAKES WILL NOT RELEASE.
Check that tractor to semitrailer air supply is turned on.
If air is shut off, turn on air supply.
If air supply is on, go to step 2.
Check air pressure of truck tractor.
If pressure is low, build up air pressure to normal level.
If pressure is normal, go to step 3.
Check air line connections at gladhands.
If air lines are not properly connected (Emergency to Emergency,
Service to Service), reconnect air lines.
If air lines are connected properly, go to step 4.
Check for dirty or damaged packing in gladhands.
If packing is leaking, notify Organizational Maintenance.
If coupling is clean and not damaged, go to step 5.
S t e p 5.
Inspect air line connections for leaks.
If leaks are evident, notify Organizational Maintenance.
If no leaks are evident, go to step 6.
Check for open drain cock on each reservoir.
If either drain cock is open, close it.
If drain cocks are closed, notify Organizational Maintenance.