Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

6-96 Marine/Industrial 4.3L Engine
Timing Chain and Sprockets Clean and Inspect
Caution: Refer to Safety Glasses Caution in Cautions and
Notices.
1. Clean the components with cleaning solvent.
2. Dry the components with compressed air.
3. Inspect the camshaft timing chain for binding or wear.
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4. Inspect the camshaft sprocket and the crankshaft sprocket
for the following:
• Broken teeth (1)
• Damaged teeth (2)
• Chipped teeth (3)
• Worn teeth
• Uneven wear on the edge of the teeth
• Worn valleys between the sprocket teeth
• Crankshaft sprocket keyway for wear
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Valve Rocker Arm and Push Rods Clean and
Inspect
Important: Parts that are to be reused must be marked, sorted
and organized for assembly.
1. Mark, sort and organize the components for assembly.
Caution: Refer to Safety Glasses Caution in Cautions and
Notices.
2. Clean the components with cleaning solvent.
3. Dry the components with compressed air.
4. Inspect the valve rocker arm components for the following:
• Valve rocker arm valve push rod socket contact surface
(1). The contact surface must be smooth with no scoring
or excessive wear.
• Valve rocker arm roller pivot for binding or damage (2)
• Valve rocker arm valve stem contact surface (3)
• Valve rocker arm bolt threads for damage (4)
2000 Marine/Industrial