TM 5-4310-451-14
5-6. CLEANING INSTRUCTIONS (Con’t).
WARNING
Dry cleaning 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 excessive heat. The solvent's flash point is 1000F-138°F (38°C-590C). If you
become dizzy while using cleaning solvent, Immediately get fresh air and medical help. If solvent contacts
eyes, Immediately wash your eyes and get medical aid.
Never aim the spray gun at any person or part of the body. Pressure Is strong enough to puncture skin and
cause serious Injury to personnel.
g.
Degreasing Machine. A degreasing machine may be used to remove heavy grease and oil accumulations
from metal parts. Use dry cleaning solvent (Item 38, Appendix E) in degreasing machine as degreasing agent. After
removing parts from degreasing machine and before coating with rust preventive (Item 12, Appendix E) check all oil
passages and cavities for dirt or blockage. A thin flexible wire should be run through oil passages to ensure that they are
not clogged. Individual passages that are dirty may be cleared using a pressure spray gun and dry cleaning solvent (Item
38, Appendix E).
5-7. INSPECTION INSTRUCTIONS.
NOTE
All damaged areas should be marked for repair or replacement.
a.
Inspection instructions will be the same for the majority of parts and components that make up the engine
assembly. Inspection consists of the following:
(1)
Checking for defects such as distortion, wear, cracks, and pitting.
(2)
Checking for proper wear limits and tolerances.
b.
Parts under heavy load or pressure must be inspected more thoroughly.
c.
Inspect surfaces in contact with gaskets or seals for nicks, burrs, and scratches which could damage new
gaskets or seals. Remove any defects before assembly.
d.
Inspect electrical lines and connectors for the following:
(1)
Wiring harnesses for chafed and burned insulation.
(2)
Terminal connectors for loose connections and broken parts.
e.
Inspect metal lines, flexible lines (hoses), and metal fittings and connectors for the following:
(1)
Metal lines for sharp kinks, cracks, bad bends, and dents.
(2)
Flexible lines (hoses) for fraying, evidence of leakage, and loose metal fittings or connectors.
(3)
Metal fittings and connectors for thread damage and worn or rounded hex heads.
f.
Inspect castings, for giongs, and machined metal parts for the following:
(1)
Machined surfaces for nicks, burrs, raised metal wear, and other damage.
(2)
Inner and outer surfaces for breaks and cracks.
g.
Inspect bearings in accordance with TM 9-214.
5-7
