TM 5-3895-376-14&P
6-5. CRANKSHAFT, GEAR, AND MAIN BEARING MAINTENANCE INSTRUCTIONS -Continued
WARNING
Severe burns may result in handling of
heated bearing race. Heated bearing
race is very hot, protective gloves and
tongs should be used for retrieval of
bearing race and handling.
h.
Slide inner bearing race over tapered end of
crankshaft (4) with bearing lip leading, and
press the bearing (3) onto crankshaft (4) with
arbor press and 36mm I.D pressing sleeve
Seat bearing (3) fully against shoulder.
3 . Replace the crankshaft gear (5) as follows:
a
Using bearing separator from puller kit, pull
the crankshaft gear (5) from crankshaft (4)
WARNING
P-D-680, Type III, is moderately toxic to
the skin, eyes and respiratory tract;
crankshaft (4) at bearing journals until surface is
avoid prolonged exposure. Skin and
polished smooth.
eye protection is required. Good ventila-
tion is required. Do not use-near open
6.
Install key (6) in key slot of crankshaft (4).
flame or excessive heat. Flash point is
200F (93.3C).
7.
Heat crankshaft gear (5) on a hot plate, or equiva-
lent, to a temperature of 195 - 210F (90 - 100C).
4. Clean reusable components in dry cleaning sol-
vent and dry thoroughly.
WARNING
WARNING
Severe burns may result in handling of
heated gear. Heated gear is very hot,
Severe burns, ilIness, or death may re-
protective gloves and tongs should be
sult if personnel fail to handle diesel
used for retrieval of gear and handling.
fuel oil properly. Observe the following
precautions.
8.
Position crankshaft (4) in arbor press and align
crankshaft gear (5) key slot with key (6) installed
Do not inhale vapor.
in crankshaft. With a 30mm O.D. pressing sleeve,
press gear onto crankshaft until seated against
Work in a well-ventilated area.
shoulder.
Do not use near open flame; sparks,
or excessive heat.
NOTE
Follow-on tasks include: Install crankshaft
5. If crankshaft (4) is reusable, but has slight imper-
assembly (Para. 5-20).
fection on bearing journals, remove them with cro-
cus cloth wet with W-F-800 diesel fuel oil. Work
wet crocus cloth evenly around circumference of
6-6
