MAIN BEARINGS REMOVAL AND REPLACEMENT

TM 9-2320-209-34-2-1

2-9. MAIN BEARINGS REMOVAL AND REPLACEMENT. Refer to TM 9-2815-210-34

for procedures to remove and replace main bearings.

2-10. CRANKSHAFT FRONT OIL SEAL REMOVAL AND REPLACEMENT.

TOOLS: No special tools required

SUPPLIES: Crankshaft front oil seal (outer)

Crankshaft front oil seal (inner)

Lubricating oil, ICE, OE/HDO 10, MIL-L-2104

PERSONNEL: One

EQUIPMENT CONDITION: Truck parked, engine off, handbrake set.

a. Preliminary Procedures.

(1) Remove radiator. Refer to TM 9-2320-209-20.

(2) Remove fan. Refer to Engine Cooling Fan Removal and Replacement,

TM 9-2320-209-20.

(3) Remove fan drive belts. Refer to Fan Drive Belts Removal and Replace-

ment, and Adjustment, TM 9-2320-209-20.

(4) Remove tachometer drive adapter and cable. Refer to Tachometer Assembly

Removal, Repair, and Replacement, TM 9-2320-209-20.

(5) Remove air compressor drive belt. Refer to TM 9-2320-209-20.

(6) Remove vibration damper and pulley assembly. Refer to para 2-8.

b. Removal.