TM 5-3825-229-14&P
6-15. ENGINE CRANKCASE (BLOCK)
THIS TASK COVERS:
Equipment/Material Required:
a.
Cleaning
Lubricating oil (Item 10, Appendix E)
b.
Inspection
Cleaning Solvent (Item 13, Appendix E)
c.
Repair
Detergent
INITIAL SETUP:
Personnel Required: 2
Tools Required:
Equipment Conditions:
Nomenclature
Ref
Conditions
Shop Equipment,
5-6
Engine removed
Auto Maintenance
5-10 Flywheel housing removed
and Repair, Field
5-12 Oil pump removed
Maintenance
5-13 Exhaust manifold removed
5-14 Intake manifold removed
6-4
Cylinder head and valves removed
6-5
Tappets removed
6-8
Idler gears and backplate removed
6-11 Pistons and connecting rods removed
6-12 Crankshaft removed
6-13 Camshaft removed
a.
Cleaning.
WARNING
Wear protective goggles when using the cleaning solvent. Avoid contact with the eyes. If contact occurs, flush eyes with
cold water for 5 minutes and seek immediate medical attention. Dry cleaning solvent (PD-680) is both toxic and
flammable. Avoid prolonged breathing of vapors. Avoid skin contact. Use only in a well-ventilated area. Keep away from
open flame. Flash point of solvent is 138°F (59C).
(1) Clean the crankcase with cleaning solvent (PD-680) and dry thoroughly.
(2) Scrape all old gasket material from crankcase surfaces.
(3) Use warm water and a detergent and flush the crankcase. Use rags and air pressure to dry crankcase.
6-46
