TM 5-4310-379-14
(21)
Inspect front cover (7) for cracks and replace if cracked or otherwise damaged.
(22)
Inspect oil seal (8) and replace if ripped or otherwise damaged. Replace oil seal (8) as follows:
(a)
Support front cover (7) forward face on wooden blocks.
(b)
Drive oil seal (8) out of front cover (7).
NOTE
On new oil seals there is a plastic coating on the outside diameter, do not remove this coating.
(c)
Apply a non-hardening sealant to the outside diameter of the metal casing.
(d)
Apply grease to the sealing lip.
NOTE
The oil seal spacer used with older oil seals should be removed from the cover.
(e)
Start the seal (8) straight into the bore of the front cover (7), with the lip of the seal facing toward the
inner face of the front cover (7).
(f)
Using oil seal installer, press the oil seal (8) into front cover (7) until flush with outside face of front
cover (7).
(23)
Install rear air box cover (5) and gasket (6) and secure with two screws (4).
(24)
Install side air box cover (2) and gasket (3) and secure with two screws (1).
FOLLOW-ON MAINTENANCE
(1) Install crankshaft (para. 5-23).
(2) Install camshaft, balance shaft and bearings (para. 5-22).
(3) Install valve operating mechanism (para. 4-21).
(4) Install fuel pump and drive (para. 3-27).
(5) Install fuel strainer assembly (para. 3-26).
(6) Install fuel filter assembly (para. 3-25).
Change 5-105