TM 5-4930-244-14
6-10. CRANKCASE - REPAIR.
This Task Covers:
a.
Disassembly
b.
Assembly
Initial Setup:
Tools and Test Equipment Required
Tool Kit, General Mechanic's: Automotive (Appendix B, Section III, Item 1).
Chemical and Oil Protective Gloves (Appendix B, Section III, Item 8).
Industrial Goggles (Appendix B, Section III, Item 9).
Stud Remover/Setter (Appendix B, Section III, Item 26).
Materials/Parts Required
Acid Swabbing Brush (Appendix E, Section II, Item 22)
Dry Cleaning Solvent (Appendix E, Section II, Item 3).
Sealing Compound (Appendix E, Section II, Item 5).
Wiping Rags (Appendix E, Section II, Item 1).
Equipment Condition
Fan, Flywheel, and Crankshaft Removed (para. 6-3).
Camshaft Removed (para. 6-4).
Governor Linkage Removed (para 6-6).
Oil Pump Removed (para. 6-8).
a. Disassembly. (Refer to Figure 6-9).
(1)
Inspect pins (1), studs (2 thru 6) cam shaft bore plug (7), oil tube adapter (8), relief valve assembly (9), and oil
plug (10) for damage. Replace as required. Do not adjust or disassemble relief valve assembly (9) No
adjustment is required.
NOTE
Remove pins (1), studs (2 thru 6), plug (7), adapter (8), valve (9), or plug (10) only if
damaged.
(2)
Remove two pins (1) from crankcase (11).
(3)
Remove plug (7) from crankcase (11)
(4)
Remove valve (9) from crankcase (11).
(5)
Remove plug (10) from crankcase (11) near bearing housing at flywheel end.
(6)
Remove studs (2) from crankcase (11).
(7)
Remove studs (6) from crankcase (11).
(8)
Remove short studs (4) from crankcase (11).
(9)
Remove long studs (5) from crankcase (11).
(10)
Remove oil tube adapter (8) from crankcase (11).
6-41
