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Doosan DP158LDF - Tappet and Push Rod; Tappet Clearance; Visual Inspection of Tappet; Warpage of Push Rod

Doosan DP158LDF
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10. Cylinder block/head
178
Tappet and push rod
Tappet Clearance
Measure the outer diameter of a tappet and the inner
diameter of the tappet bore. If the reading exceeds the
tolerance limit, replace the tappet.
Visual inspection of tappet
Inspection if the tappet surface which contacts the
camshaft has damage like crack or scratch. If the
damage is small, correct it with oil stone or fine grinding
paper, if excessive, replace it.
DV2213128A_E
Warpage of Push Rod
Put the push rod on a surface plate, and measure the
warpage with a feeler gauge shile spinning it. If the
reading exceeds the tolerance limit, replace it.
DV2213129A_E
Standard Limit
0.035mm ~ 0.077mm 0.25mm
Limit Below 0.3mm
normal
abnormal abnormal
abnormal abnormal
(crack)(irregularity)
Feeler gauge

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