DL06K Interim Tire-4 Diesel Engine Disassembly and Reassembly of Major Components
76
2) Inspection of rocker arm assembly
z Rocker arm shaft
Rocker arm shaft run-out Place the
rocker arm shaft on two V-blocks and
inspect the shaft for bend using a dial
gauge. If the amount of this run-out is
small, press the shaft with a bench
press to correct the run-out. Replace
the shaft if the measured value
exceeds the limit.
(mm)
Limit 0.1
z Rocker arm shaft diameter
With an outside micrometer, measure
the rocker arm shaft diameter at the
point where the rocker arms have
been installed.
Replace the rocker arm if the amount
of wear is beyond the specified limit.
(mm)
Standard Limit
24.939 ~ 24.960 24.90
3) Rocker arm
z Visual check
Visually check the face of the rocker arm in contact with the valve stem end for
scores and step wear. If the wear is small, correct it with an oil stone or grinding
paper of fine grain size. Rocker arm with a considerable amount of step wear
should be replaced.
EDM2037I
EE1OM072
Rocker arm shaft