TM 10-4320-307-24
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CONNECTING ROD AND PISTON ASSEMBLY REPLACE/REPAIR (CONT).
CLEANING/INSPECTION:
Dry cleaning solvent is potentially dangerous. Avoid repeated and prolonged
breathing of vapors and skin contact with the liquid. Do not use near open flame,
arcing equipment, or other ignition source. Always wear eye protection and
protective clothing.
Live steam used for cleaning shall not exceed 100 psi (690 kPa). During steam
cleaning operations, adequate ventilation, natural or forced, should be provided.
Do not direct live steam against skin.
Death or serious injury could occur if compressed air is directed against the skin.
Do not use compressed air for cleaning or drying unless the pressure is/has been
reduced to 30 psi (2.11 kgcm2) or less. When working with compressed air always
use chip guards, eye protection, and other personal protective equipment.
1.
Soak pistons for at least 30 minutes in dry cleaning solvent.
CAUTION
Do not use a metal brush. A metal brush will damage piston ring grooves.
2.
Use a hot, soapy solution and a stiff bristle brush to remove carbon deposits.
3.
Use a nylon bristle brush to clean oil drillings in connecting rods.
4.
Steam clean connecting rod and piston assembly and dry with compressed air.
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