Toyota Land Cruiser 1988 Repair Manual page 54

Front
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ENGINE MECHANICAL- Cylinder Head EM-23
EM1382
EM0042
(b) Inspect the rocker arm-to-shaft clearance by mov-
ing each rocker arm as shown in the figure.
If movement is felt, disassemble and inspect.
(c) Disassemble the valve rocker shaft assembly.
NOTE: Arrange the rocker arms and rocker supports in
correct order.
If the contacting surface of the rocker arm is worn, resur-
face it a valve refacer and oil stone or replac·e the rocker
arm.
(d) Inspect the oil clearance between the rocker arm
and shaft.
• Using a caliper gauge, measure the inside diame-
ter of the rocker arm.
Rocker arm inside diameter:
18.494-18.515 mm (0.7281 -0.7289 in.)
• Using a micrometer, measure the diameter of the
rocker shaft.
Rocker shaft diameter:
18.464-18.485 mm (0.7269- 0.7278 in.)