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 TM5-4210-224-14,P
6-12.
TIMING CHAIN AND SPROCKET MAINTENANCE. (Continued)
c. Pull the chain outward (parallel to the front face
of the block) the maximum amount with finger
d. Install the camshaft gear (4), bolt (2) and
pressure on the inside of the timing chain.
washer (3).
d. Set the dial indicator to zero.
e. Torque the bolt to 75 ft-lbs (100 N-m).
e. Move the chain inward (parallel to the front face
f. Install the injection pump gera(6) and bolts (5).
of the block) the maximum amount with finger
pressure on the outside of the chain.
g. Align the timing marks (1).
f. Total travel should not exceed 0.800 inch (20.3
h. Torque the bolts to 17 ft-lbs (23 N-m).
mm) or 0.500 inch (12.7 mm) with new parts.
i. Install front cover (paragraph 6-11).
g. With used parts, check the gears and timing
chain for wear, missing or damaged
components.
INSTALLATION
a. Install crankshaft sprocket (9).
ADJUSTMENT
b. Install camshaft sprocket (7) with timing chain
(8).
Adjustment of the injection pump timing is
necessary if new gears, sprockets, or timing chain
are installed. Refer to paragraph 4-91.
c. Align the timing marks (1).
6-17
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