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 TM 55-1905-221-14-3
6-28.4.
CRANKSHAFT TIMING GEAR - MAINTENANCE INSTRUCTIONS(Continued).
LOCATION/ITEM
ACTION
REMARKS
CLEANING
2
Wear protective eye goggles when using compressed air.
Clean the gear with fuel oil and dry with
compressed air.
INSPECTION
3
Examine the gear teeth for
evidence of scoring, pitting,
and wear. If it is severely
damaged or worn, install a new
gear. Also, check the other
gears in the gear train.
INSTALLATION
4.
a. Position the gear (4) on the
rear end of the crankshaft
with the flat finished hub
of the gear facing toward
the cylinder block and with
all six bolts holes in the
gear aligned with the tapped
holes in the crankshaft. As
one bolt hole is offset, the
gear can be attached in only
one position.
b. Align the timing marks "L" or
"R" on the crankshaftr gear
tooth with the corresponding
mark on the idler gear.
6-512
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