TM 9-2350-247-34
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS — Continued
0005 00
WARNING
Air pressure in excess of 30 psi (207 kPa) can injure personnel. Do not direct pressurized air at
yourself or others. Always wear goggles.
CAUTION
Lye or caustic substances will damage metal surfaces. Do not use lye or caustic mixtures to
clean metal surfaces.
e.
STEAM CLEANING. If steam cleaning is used, dry clean parts at once with compressed air. Apply a thin film of
clean oil to surfaces that are not painted to prevent rusting. Never use lye of caustic mixtures that will corrode or
etch metal surfaces.
f.
LUBRICATION OF NEW BEARINGS. See TM 9-214 for cleaning and lubrication procedures. Bearings that
have been in service should also be lubricated.
WARNING
Air pressure in excess of 30 psi (207 kPa) can injure personnel. Do not direct pressurized air at
yourself or others. Always wear goggles.
g.
CASTINGS.
1)
Clean inner and outer surfaces of casting with cleaning compound (WP 0080 00, Item 49). Dry casting with
compressed air.
2)
Remove sludge and gum deposits with a brush.
3)
Blow out all tapped holes and armor mounting inserts with compressed air.
h.
BALL AND NEEDLE BEARINGS. Bearings require special cleaning techniques. See TM 9-214 for cleaning
and maintenance procedures for ball bearings.
i.
OIL PASSAGES.
1)
Make sure all oil passages are not clogged.
2)
Clean oil passages and break up any sludge or gum deposits.
0005 00-5
