Doosan P158LE -III, Руководство по эксплуатации и техническому обслуживанию

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Inspection - 69 -
c) Tappet and push rod
z
By means of outside micrometer,
measure the outer diameter of
tappet and replace the severe
ones.
z
By inspecting the tappet surface
that contacts with the camshaft's
cam for any crack and scratch
etc., and if the degree is small,
correct them with an oil stone or
the grinding paper but if severe
replace them.
z
Place the push rod on the surface
plate and rolling it, Inspect the
curving degree with a clearance
gauge and if abnormal, replace it.
<Run-out>
d) Rocker arm reassembling
z
Inspect the oil passages of rocker
arm and rocker arm bracket for
any clogs and reassemble them in
the reverse order of
disassembling after thorough
cleaning.
Standard Limit
Tappet
clearance
0.035 ~
0.077 mm
0.25 mm
Limit 0.3 mm or less
EA0M4070
(1) Unevenness
(4) Abnormal
(2) Crack (3) Normal
EA0M4073
Feeler gauge