TM-9-2320-285-24-1

TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1985

TM-9-2320-285-24-1 - Page 454 of 987

TM 9-2320-285-24-1

2-40.

REAR AXLE TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

4.

AXLE NOISE WHEN DRIVING

Check lubricant level.

a. If lubricant level is below level plug opening, add lubricant (para 2-44a).

b. If lubricant level is at level plug opening, notify direct support maintenance.

5.

HUB LEAKS OIL

Step 1.

Check for oil leaks from rear axle brake drums.

a. If leaks are observed from brake drum, replace oil seal and oil-contaminated brake shoes (para 2-

44b).

b. If leaks are not observed from brake drums, go to step 2 below.

Step 2.

Check for oil leaks at axle shaft flange gasket.

a. If oil leaks are observed, replace axle shaft flange gasket (para 2-44b).

b. If oil leaks are still observed with new gasket, replace defective axle shaft or hub (para 2-44b).

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