Observe all WARNINGs and CAUTIONs. Always use power tools carefully.
Protect yourself against injury. Wear protective gear, such as safety goggles or lenses, safety shoes, a rubber
apron, and gloves.
When lifting heavy parts, have someone help you. Make sure lifting and jacking equipment is working properly, is
suitable for the assigned task, and is secure against slipping.
Improper cleaning methods and the use of unauthorized cleaning liquids or
solvents can injure personnel and damage equipment. To prevent this, refer to TM
9-247 for further instructions.
General. Cleaning instructions will be the same for a majority of the parts and components that make up the
Diesel Engine Assembly, Hatz 2 G 40. The following should apply to all cleaning, inspection, repair, and
Clean all parts before inspection, after repair, and before assembly.
Keep hands free of grease, which can collect dust, dirt, and grit.
After cleaning, cover or wrap all parts to protect them from dust and dirt. Parts that are subject to rust
should be lightly oiled.
Before steam-cleaning exterior of engine, protect all electrical equipment that could be damaged by steam
Place disassembled parts in a suitable container to steam-clean. Parts that are subject to rust should be
dried and lightly oiled after cleaning.
Castings, Forgings, and Machined Metal Parts.
Drycleaning solvent P-D-680 is toxic and flammable. Always wear protective
goggles and gloves and use only in a well-ventilated area. Avoid contact with skin,
eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame or
Clean inner and outer surfaces with drycleaning solvent (Item 4, Appendix D) and rag (Item 7, Appendix D).
Remove grease and accumulated deposits with a stiff-bristled brush.