TM 5-1940-322-24
0157 00
FLYWHEEL, FLYWHEEL HOUSING, AND CRANKSHAFT REAR SEAL MAINTENANCE (Contd)
CLEANING AND INSPECTION
1.
For general cleaning and inspection instructions, refer to WP 0013 00.
WARNING
Skysol 100 solvent is combustible; DO NOT use or store near heat,
sparks, flame, or other ignition sources. Use mechanical ventilation
whenever product is used in a confined space, heated above
ambient temperatures, or agitated. Keep container sealed when not
in use.
Contact with Skysol 100 may cause skin irritation. Use chemical-
resistant gloves. In case of skin contact, remove any contaminated
clothing and wash skin thoroughly with soap and water. Wash
contaminated clothing before reuse. Eye contact may cause
irritation, tearing, or blurring of vision. Use face shield or goggles
when eye contact may occur. In case of eye contact, flush eyes with
large amounts of water for at least 15 minutes or until irritation
subsides. Inhalation may cause irritation to upper respiratory
passages. DO NOT have food or drink in the vicinity. Failure to
comply may result in injury to personnel.
Compressed air source must not exceed 30 psi (207 kPa). Wear
eyeshields when cleaning with compressed air. Failure to comply
may result in injury to personnel.
CAUTION
The seal lip and the sealing surface on the crankshaft must be free
from all oil residue to reduce the possibility of seal leaks.
2.
Clean the rear crankshaft sealing surface (1) with Skysol 100 and dry with compressed air.
3.
Using crocus cloth, remove any rust or other deposits from crankshaft flange (4).
4.
Use clean cloth to clean crankshaft flange (4).
5.
Inspect crankshaft flange (4) for dirt and nicks. Clean if dirt is present; replace crankshaft flange (4)
if nicked.
6.
Inspect rear cover (2) for cracks and other damage. Replace rear cover (2) if cracked or damaged.
7.
Using wire brush, clean crankshaft pilot bore (3).
8.
Clean flywheel (5) with Skysol 100 and dry with compressed air.
WARNING
Do not use a cracked or resurfaced flywheel. Failure to comply may
result in injury to personnel and/or damage to equipment.
9.
Inspect flywheel (5) for nicks and burrs. Clean flywheel (5) with cleaning pad if burrs or nicks are
present.
10.
Using crack detection kit, check for cracks in flywheel (5). Replace flywheel (5) if cracked or damaged.
11.
Inspect flywheel ring gear teeth (6) for cracks and chips. Replace flywheel ring gear (6) if teeth are
0157 00-4