FRONT AXLE BRAKES SQUEAK OR GROAN, OR SCRAPING NOISE WHEN APPLIED (Cont)

TM 9-2320-285-24-1

2-46.

SERVICE BRAKE SYSTEM TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

15.

FRONT AXLE BRAKES SQUEAK OR GROAN, OR SCRAPING NOISE WHEN APPLIED (Cont)

WARNING

Brake linings contain asbestos fibers. Do not generate dust when working on brake system.

Do not remove dust or dirt with compressed air because serious bodily harm may result from

breathing asbestos dust.

a. If brake shoe linings are worn, glazed, or contaminated, replace (para 2-50a); remove excessive

dust.

b. If brake shoe linings are not worn, glaze, or contaminated, and there is not excessive dust, go to

step 2 below.

Step 2.

Check brake drum for scored condition.

a. If brake drum is scored, replace (para 2-44a).

b. If brake drum is not scored, refer to Malfunction 5, step 2, above.

16. REAR AXLE BRAKES SQUEAK OR GROAN, OR SCRAPING NOISE WHEN APPLIED

Step 1.

Remove rear axle brakes air chambers (para 2-51d(2)).

Remove brake drums (para 2-44b).

Check brake shoe linings for wear, glaze, lubricant contamination, or excessive dust.

WARNING

Brake linings contain asbestos fibers. Do not generate dust when working on brake system.

Do not remove dust or dirt with compressed air because serious bodily harm may result from

breathing asbestos dust.

a. If brake linings are worn, glazed, or contaminated, replace brake shoe and lining assemblies

(para 2-50b); remove excessive dust.

b. If brake linings are not worn, glazed, or contaminated, and dust is not excessive, go to step 2

below.

Step 2.

Check brake drum for scored condition.

a. If brake drum is scored, replace (para 2-44b).

b. If brake drum is okay, refer to Malfunction 10, step 2, above.

2-532