4-16. BRAKE SYSTEM TROUBLESHOOTING PROCEDURES (CONT).
8. TRAILER BRAKES UNEVENLY OR PULLS TO ONE SIDE.
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Item 50, Appendix J)
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Solution, Soap (Item 21, Appendix E)
Wheels chocked, (TM 9-2320-364-10)
Pin, Cotter (Item 62, Appendix I)
Emergency and service air supply gladhand
Pin, Cotter (Item 63, Appendix I)
connected to truck, (Para 2-22)
Trailer air system charged, (Para 2-22)
Soap and water solution will be used to visually check for leaks.
Visual and audible inspection.
Are air lines, fittings, and
Truck air system OK.
brake chamber(s) free of
REASON FOR QUESTION
leaks and/or crimps?
If air lines or listed components
Air lines and fittings faulty.
are leaking, loss of air pressure
Brake chambers faulty.
will prevent service brakes from
Slack adjusters faulty.
applying. Crimped air lines will
Brake components faulty.
restrict air flow to brake
chamber and brakes will apply
or release slowly.
Repair or replace air
hose(s) (Para 4-47)
and/or brake cham-
ber(s) (Para 4-37).
Verify repair, go to
Step 5 of this Fault.