TM 10-4320-307-24
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FLYWHEEL AND FLYWHEEL HOUSING INSPECT/REPLACE/ALIGN (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.
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.
Clean and inspect flywheel assembly as follows:
a.
Use wire brush to clean crankshaft pilot bore.
b.
Clean flywheel assembly with dry cleaning solvent and dry with compressed air.
c.
Visually inspect for nicks or burrs.
d.
Use a fine crocus cloth to remove small nicks and burrs.
Do not use a cracked or resurfaced flywheel. These can break, causing serious
personal Injury or property damage.
e.
Use crack detection kit to check for cracks in flywheel. Follow instructions provided with kit.
f.
Inspect flywheel ring gear teeth for cracks and chips.
NOTE
If the ring gear teeth are cracked or broken the ring gear must be replaced.
2.
Clean and inspect flywheel housing as follows:
a. Clean flywheel housing with dry cleaning solvent and dry with compressed air.
b.
Visually inspect all surfaces for nicks, burrs, or cracks.
c.
Use a fine crocus cloth to remove small nicks and burrs.
d.
Inspect all threaded capscrew holes for damage.
NOTE
If flywheel housing or rear oil seal repair is necessary, notify general support maintenance.
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