TM-9-2320-365-34-2

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME NO. 2 OF 2

AUGUST 2005

CHANGE 2

TM-9-2320-365-34-2 - Page 1016 of 1414

TM 9-2320-365-34-2

20-5. CRANKSHAFT AND MAIN BEARINGS REPLACEMENT/REPAIR

This task covers:

a. Removal

b. Cleaning/Inspection

c. Disassembly

INITIAL SETUP

Equipment Conditions

Engine mounted on maintenance stand (para 20-2).

Cylinder head removed (para 3-6).

Camshaft and bearings removed (para 20-6).

Front gear housing and idler gear removed (para 20-

8).

Crankshaft front seal removed (para 3-7).

Oil pump removed (para 3-17).

Flexplate assembly removed (para 3-10).

Flywheel housing removed (para 3-11).

Tools and Special Tools

Tool Kit, Genl Mech (Item 68, Appendix B)

Indicator, Dial (Item 30, Appendix B)

Caliper Set, Micrometer, Outside (Item 7, Appendix

B)

Tools and Special Tools

Puller Kit, Universal (TM 9-2320-365-20)

Wrench, Torque, 0-175 lb-ft (Item 80, Appendix

B)

Press, Arbor, Hand Operated (Item 41, Appendix

B)

Sling, Cargo (Item 48, Appendix B)

Materials/Parts

Diesel Fuel (Item 29, Appendix C)

Gage, Bearing Clear (Item 34, Appendix C)

Dispenser, Pressure Sensitive Adhesive Tape

(Item 31, Appendix C)

Lubricating Oil, Gear (Item 45, Appendix C)

Personnel Required

(2)

a. Removal.

(1) Rotate cylinder block (1) for access to crankshaft (2).

20-30