DL06K Interim Tire-4 Diesel Engine Disassembly and Reassembly of Major Components
77
z Rocker arm bushing diameter
Measure the inside diameter of the
rocker arm bushing with an inside
micrometer or vernier calipers, and
compare the measured values with
the rocker arm shaft diameter. If the
clearance exceeds the limit, replace
either bushing or shaft, whichever
worn more.
(mm)
(mm)
Rocker arm
and shaft
clearance
Standard Limit
0.031~
0.073
Under
0.14
4) Tappet and push rod
z Clearance
Measure the clearance of the tappet and tappet holes of the cylinder block. If the
value is beyond the specified limit, replace tappets.
(mm)
z Visual check of tappet
Visually check the face of the tappets
in contact with the cam for pitting,
scores or cracks, and replace if
severely damaged.
If the amount of cracks or pitting is
small, correct with an oil stone or
grinding paper.
Standard Limit
24.991 ~ 25.012 25.04
Standard Limit
0.028 ~ 0.069 0.13
EE1OM073
EA0M4070
(1) Unevenness (2) Crank (3) Normal
(4) Abnormal
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