5-14
Chapter 5 DISASSEMBLY OF BASIC ENGINE
3.1 Coupling - Remove
(With tachometer spec)
(1) Remove the oil seal case and oil seal from the crank-
case or fan drive case.
Note: Replace the removed oil seal with a new one. Oil seal
can not be re-used.
Oil Seal Case - Remove
(2) Screw two jack bolts evenly into the jack bolt holes,
and remove the coupling from the camshaft.
Coupling - Remove
3.2 Damper Face and Radial Runout - Measure
Measure the face and radial runout of the damper, and know
the current condition.
For the measurement procedure, refer to "Damper Face and
Radial Runout - Measure" of "ASSEMBLY OF BASIC
ENGINE."
Damper Face and Radial Runout - Measure
Oil seal
O-ring
Oil seal case
Radial runout
Face runout
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