Doosan D35S-5 Service Manual page 59

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
D439E Service Manual
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
57 2. Engine Mechanical System (D439E)