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 449 of 987

TM 9-2320-285-24-1

2-37.

TRANSMISSION TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

12.

ROUGH SHIFTING

Step 1.

Check transmission linkage for proper adjustment or damage.

a. If linkage is not properly adjusted, adjust (para 2-41g); replace any damaged parts (para 2-41g).

b. If linkage is properly adjusted and there is no damage, go to step 2 below.

Step 2.

Check if modulator cable is kinked or out of adjustment.

a. If kinked, replace (para 2-13e); if out of adjustment, adjust (para 2-13e).

b. If modulator cable is not kinked or out of adjustment, notify direct support maintenance.

13.

CLUTCH SLIPPAGE IN ALL FORWARD GEARS

Check fluid level on transmission dipstick with transmission at operating temperature and engine operating.

a. If fluid level is below ADD mark, add fluid (para 2-41b).

b. If fluid level is at FULL mark, notify direct support maintenance.

14.

EXCESSIVE VIBRATION

Examine propeller shaft for out-of-phase condition.

a. If propeller shaft is out of phase, disconnect, rotate to correct phase and reconnect (para 2-42).

b. If propeller shaft is not out of phase, notify direct support maintenance.

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