6-46. CRANKSHAFT FRONT COVER AND OIL PUMP - Contlnued
(3) Remove and discard gasket (8).
(4) Remove the oil pump drive gear and key (8A) from the crankshaft.
(5) Remove eight self-locking screws (9) and remove oil pump cover (10) from front cover(7).
(6) Remove gears (11 and 12).
b. Cleaning and Inspection.
Dry cleaning solvent P-D-680 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 to 138 deg.
F (38 to 59 deg. C).
(1) Clean ail parts in solvent (Item 3, Appendix E) and dry with compressed air.
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
kg/cm2) or less. When working with com- pressed air, always
use chip guards eye protection and other personal protective
(2) Examine gear cavity in front cover (7) for wear and scoring. Replace cover if worn or scored. Inspect
face of oil pump cover (1 0) and replace if scored or damaged.
(3) Inspect oil seal (13) for damage and evidence of leakage. If oil seal (13) is damaged replace seal as
(a) Support outer face of cover (7) on wooden blocks.
(b) Use a suitable driver and drive or press oil seal (13) from cover.
(c) Lubricate seal with engine oil (Item 20, Appendix E). Position seal in front cover (7) with lip of
seal pointing toward inner face of cover. Install seal using seal installer J9783.
(d) Inspect shaft (14) for wear and scoring. Replace shaft if damaged. Use a suitable driver and drive
shaft from front cover (7). Drive or press new shaft into place. When correctly installed the shoulder
on the shaft must be 0.020 in. (0.50 mm) below finished face of front cover.