TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Gear Cover, Front (001-031)
Section 1 - Cylinder Block - Group 01
Page 1-69
15 mm
Remove the vibration damper. Refer to Procedure 001-052.
10 mm
If required, remove the fan hub pulley. Refer to Procedure
008-036.
10 mm
Remove the front gear cover.
Clean (001-031-006)
Clean the gear cover and gear housing gasket surface.
L-747