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TM 10-3930-659-34
5-1.
ENGINE BLOCK MAINTENANCE.
This Task Covers:
a.
Disassembly
c.
Repair
b.
Cleaning and Inspection
d.
Assembly
Initial Setup:
Equipment Conditions:
Materials/Parts:
•
Engine oil level gage tube removed (see TM 10-3930-•
Lubricating oil (Item 39, Appendix B)
659-20).
•
Rags (Item 43, Appendix B)
•
Alternator bracket removed (see TM 10-3930-
•
Dry cleaning solvent (Item 47, Appendix B)
659-20).
•
Nonelectrical wire (Item 59, Appendix B)
•
Fuel transfer pump removed (see TM 10-3930-
•
Two preformed packings
659-20).
•
Oil filter bypass valve removed (see paragraph 5-7). Personnel Required: Two
•
Engine oil cooler removed (see paragraph 4-16).
•
Flywheel housing removed (see paragraph 4-10).
References:
•
Cylinder liners removed (see paragraph 5-2).
•
TM 10-3930-659-20
•
Crankshaft removed (see paragraph 5-4).
•
Camshaft removed (see paragraph 5-5).
General Safety Instructions:
Tools/Test Equipment:
•
Dry cleaning solvent is flammable and must not be
used near open flame. Use only in a well-ventilated
•
General mechanic's tool kit (Item 71, Appendix E)
area.
•
Inside caliper micrometer
r (Item 8, Appendix E)
•
Compressed air used for cleaning purposes should
•
Steam cleaner (Item 14, Appendix E)
never exceed 30 psi (207 kPa).
•
Compressor unit (Item 16, Appendix E)
•
Avoid contact with live steam.
•
Feeler gage (Item 28, Appendix E)
•
Machinist's steel rule (Item 56, Appendix E)
•
Sharpening stone (Item 61, Appendix E)
•
Die and tap threading set (Item 68, Appendix E)
•
Torque wrench, 0-175 lb.-ft. (Item 81, Appendix E)
a.
DISASSEMBLY
1. Remove plug (5) and preformed packing (4) from engine block (1). Discard preformed packing.
2. Remove drain plug (6) from engine block (1).
3. If damaged, remove pipe plugs (2, 7, and 8), stud (9), and plug (10) from engine block (1).
4. If damaged, remove four dowel pins (3), two dowels (12), and bushing (11) from engine block (1).
5. Remove preformed packing (13) from engine block (1) oil port tube. Discard preformed packing.
5-2
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