7-22
REPAIR
7
Tappets and Shims
See Figure 7-55.
Figure 7-55
1. Inspect shim (1) and tappet (2) for any signs of wear.
If any abnormal condition is found, replace as
needed.
2. Measure tappet outside diameter and tappet bore
inside diameter. Calculate clearance and compare to
specification. Replace as needed.
Tappet and Bore Clearance: 0.0009—0.0024 in.
(0.025—0.062 mm)
Tappet and Bore Clearance Limit: 0.003 in.
(0.10 mm)
Installation
NOTICE
See Figures 7-56 through 7-59.
Figure 7-56
IMPORTANT
Be sure tappets and shims are installed in correct
location.
1. Apply engine oil to all surfaces of tappets and shims,
and install in proper locations.
Figure 7-57
2. Apply engine oil to camshaft journals, lobes, and
timing sprockets. Align timing gear dots (1) with the
index marks (2) on the cylinder head.
TN0412
1
2
Be sure to install tappets, shims, camshafts, and
camshaft housings at proper locations.
Failure to install parts properly can result in
engine damage and failure.
TN0414
TN0415
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2
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