SPRING BRAKES DO NOT APPLY CONTINUED

TM 9-2320-270-20-1

TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE

ACTION

61. SPRING BRAKES DO NOT APPLY CONTINUED.

Step 6.

Check spring brakes (1) for mud, stones, or other obstructions.

If brakes are obstructed, clear away obstructing material (page 4-1).

Step 7.

Cage spring (TM 9-2320-270-10) and check if spring (2) is broken.

If spring is broken, replace air chamber (page 4-701).

Disconnect plunger end (3) from slack adjuster (4). Check slack adjuster and

Step 8.

camshaft (5) for damage and freedom of movement.

If slack adjuster and camshaft are damaged, or do not move freely, re-

place (page 4-624).

Connect slack adjuster to plunger end and uncage air chamber spring

Step 9.

(TM 9-2320-270-10). Check brakedrum (6) and brakeshoes (7) for damage

and adjustment (page 2-35).

a. If brakedrum or brakeshoes are damaged, or out of adjustment, ad-

just, replace (page 4-621), or notify direct support maintenance for

repair.

b. If spring brakes still do not apply, notify direct support maintenance.

TA239727

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