Inspecting The Cam-To-Tappet Contact; Measuring The Clearance Between The Tappet And The Tappet Guide - Mitsubishi diesel engines Service Manual

ENGINE MAIN PARTS - INSPECTION AND CORRECTION

2.11 Inspecting the cam-to-tappet contact

Inspect the tappet contact face with the cam. If
abnormally worn, replace the tappet.
2.12 Measuring the clearance between the
tappet and the tappet guide
Measure the tappet diameter. Measure the tappet
guide bore in the cylinder block. If the difference
between them exceeds the limit, replace the
tappet.
Tappet-to-guide clearance
2 - 26
Unit: mm (in.)
Limit
0.150 (0.0059)
Measuring the clearance between the tappet
Good Bad
Cam-to-tappet contact
Measuring
direction
and the tappet guide
Bad
Measuring
direction