TM 10-4320-310-14
6-7.
REPLACE CRANKSHAFT (Continued)
3
Remove counterweight (13) by removing two hexagon socket head cap screws (14).
WARNING
Handling heated parts can cause severe burns. Use proper
equipment to handle heated parts.
4
Heat roller bearing inner races (15 and 16) and remove them from crankshaft (1).
CLEANING/INSPECTION:
WARNING
Dry cleaning solvent P-D-680 (safety or Stoddard's 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
sources. Always wear eye protection and protective
clothing. The flash point of P-D-680 is 100°F to 138°F
(38°C to 59°C).
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 (2.06 bar) or less. When working with compressed
air always use chip guards, eye protection, and other
personal equipment.
1
Clean crankshaft components with dry cleaning solvent and dry with compressed air. Clean oil passages with a
stiff wire brush.
2
Inspect all components for damage or excessive wear. Replace any components severely damaged or worn.
ASSEMBLY:
1
Install new cover (12).
2
Apply lubricating oil to the threads of two hexagon socket head cap screws (14) and contact surface of
counterweight (13). Install counterweight and two hexagon socket head cap screws. Torque hexagon socket head
cap screws to 16 foot-pounds (22 N-m).
WARNING
Handling heated parts can cause severe burns. Use proper
equipment to handle heated parts.
3
Heat the inner races of roller bearings (15 and 16) to 160°F to 175°F (70°C to 80°C) and press them onto
crankshaft (1).
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