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 TM 55-1905-223-24-3
Table 4-9. Camshaft Key Data
Change in
Push Rod
Travel At
19BTDC
Offset
Timing
(mm)
Inch
Change
(mm)
Inch
(1.30)
0.0510
Retard
(0.65)
0.0255
(a) Install the camshaft gear key in the camshaft (use a leather hammer).
NOTE
If the same camshaft and gear are used again, use the same part number key as
the one that was removed. Ensure the arrow on the key is pointing in the same
direction as when it was removed.
(b) Put the camshaft in a vertical position with the gear fit area (nose) pointing up.
(c) Apply Lubriplate or its equivalent to the camshaft gear fit area before installing the gear.
WARNING
Wear protective gloves to prevent personal injury when handling parts that have been heated.
(d) Heat the gear to 500 (260 ) for a minimum of 1 hour.
F
C
NOTE
Install the gear on the camshaft within 30 seconds after it is removed from the oven.
CAUTION
The timing marks and the gear part number must be facing away from the camshaft.
(e) Align the gear keyway with the key in the camshaft, and install the gear.
4-68
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