TM 9-2320-269-10
TROUBLESHOOTING TABLE - CONTINUED
AIR BRAKES - TRAILER - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Slow brake application, or slow release - truck and trailer towing.
Step 1.
Check the truck pressure gages (1) and (2) to make sure air pressure in system indicates between
90 to 105 psi (621 to 724 kPa).
a. Observe any air pressure loss by shutting off the truck engine, and note if any pressure loss
of more than 5 psi (34 kPa) in less than two minutes Is evident of pressure gages (1) and (2).
b. If the air pressure has dropped more than 5 psi (34 kPa) In two minutes or less, notify
organizational maintenance.
If you have any of the following additional brake-related malfunctions, notify organizational maintenance.
Uneven braking
Brakes release too slowly
Noisy brakes
Dragging brakes
Parking brake does not hold.
TA 222690
3-27