TRAILER BRAKES UNEVENLY OR PULLS TO ONE SIDE.

TM 9-2330-385-14

4-16. BRAKE SYSTEM TROUBLESHOOTING PROCEDURES (CONT).

8. TRAILER BRAKES UNEVENLY OR PULLS TO ONE SIDE.

INITIAL SETUP

Tools and Special Tools

References

Tool Kit, General Mechanic's: Automotive

TM 9-2320-364-10

(Item 50, Appendix J)

Equipment Condition

Engine OFF, (TM 9-2320-364-10)

Materials/Parts

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)

Personnel Required

Trailer air system charged, (Para 2-22)

Two

NOTE

Soap and water solution will be used to visually check for leaks.

START

KNOWN INFO

TEST OPTIONS

Visual and audible inspection.

Are air lines, fittings, and

Truck air system OK.

brake chamber(s) free of

REASON FOR QUESTION

POSSIBLE PROBLEMS

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.

YES

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