ARMY TM 9-2815-259-24
AIR FORCE TO 38G1-125-2
MARINE CORPS 09249A/09246A-24
FIGURE 5-80. OIL GALLERY PLUGS
Cleaning solvent is flammable and toxic to eyes, skin and respiratory tract.
Skin and eye protection are required. Avoid repeated/prolonged contact.
Good general ventilation is normally adequate.
Compressed air used for cleaning can create airborne particles that can
enter the eyes. Pressure will not exceed 30 psig (207 kPa). Eye protection
If engine block is cleaned in a hot tank, be sure to remove any aluminum
parts (such as nameplates). Aluminum parts can be damaged or destroyed
by hot tank solutions.
Thoroughly clean engine block using solvent or pressure steam. If necessary, place engine
block in "hot tank" for total cleaning. Before dipping, ensure any aluminum parts such as
the engine serial number plate has been removed.
After thorough cleaning, inspect and clean cylinder block as follows:
All components (including piston cooling orifices, soft plugs and oil gallery
plugs) must be removed from the cylinder block for inspection and cleaning.