COMPONENTS INSPECTION
1. MEASURE CHAIN AND SPROCKET WEAR
(a) Measure the length of 17 links with the chain fully
stretched.
(b) Make the same measurements at least three other
places selected at random.
Chain elongation limit at 17 links: 147.0 mm (5.787 in.)
If over the limit at any one place the chain.
(c) Wrap the chain around the sprocket.
(d) Using a caliper gauge, measure the outer sides of the
chain rollers as shown. Measure both sprockets.
Crankshaft sprocket minimum: 59.4 mm (2.339 in.)
Camshaft sprocket minimum: 113.8 mm (4.480 in.)
If the measurement is less than minimum, replace the
chain and two sprockets.
10. REMOVE PUMP DRIVE SPLINE AND CRANKSHAFT
SPROCKET
If the oil pump drive spline and sprocket cannot be
removed by hand, use SST to remove them together.
SST 09213–36020
11. REMOVE GASKET MATERIAL ON CYLINDER
BLOCK
2. MEASURE CHAIN TENSIONER
Using a caliper gauge, measure the tensioner as
shown.
Tensioner minimum: 11.0 mm (0.433 in.)
If the tensioner is worn or less than minimum, replace
the chain tensioner.
3. MEASURE CHAIN DAMPERS
Using a micrometer, measure each damper.
Damper wear limit: 0.5 mm (0.020 in.)
If either damper is worn or less than minimum, replace
the damper.
–ENGINE ENGINE MECHANICAL
EG1–42
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