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 452 of 987

TM 9-2320-285-24-1

2-39.

FRONT AXLE TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

4.

HUB LEAKS OIL

Step 1.

Check for oil leaks from front axle brake drums.

a. If leaks are observed from brake drum, replace oil seal (para 2-43b) and oil-contaminated brake

shoes (para 2-50a).

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

Step 2.

Check for leaks at front axle hub cap assembly.

a. If leaks are observed at center of hub cap assembly, replace rubber plug (para 2-43a).

b. If leaks are observed around circumference of hub cap assembly, replace gasket (para 2-43b).

If

leaks are still observed with new gasket, replace hub cap assembly (para 2-43a).

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