D439E Service Manual 2. Engine Mechanical System (D439E)
57
6. Measure the outer diameter of tappet (1) and
inner diameter of crankcase tappet hole (2).
Replace the tappet if the gap exceeds the limit.
Reference : 0.045 ~ 0.096 mm
Limit : 0.2 mm
7. Measure the run-out of push rod (1). Replace it if
it exceeds the limit.
Limit of pushrod run-out : 0.4 mm
8. Measure the deformation of cylinder head bottom
face. If the measurement exceeds the limit, repair
it with surface grinder or replace it.
Flatness of cylinder head
Reference : 0.05 mm
Limit : 0.2 mm
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