Doosan GV158TIC, Руководство по эксплуатации и техническому обслуживанию

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Disassembly and Reassembly of Major Components - 63 -
3.2.10. Tappet and push rod
●
By means of outside micrometer, mea-
sure the outer diameter of tappet and
replace the severe ones.
●
By inspecting the tappet surface that con-
tacts 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.
●
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 >
●
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.
3.2.11. Camshaft
1) Axial end play
●
Push the camshaft toward the pulley
side.
●
Place a dial gauge onto the camshaft
gear.
EA0M4070
(1) Unevenness (2) Crank
(3) Nomal
Abnormal
Tappet
clearance
Standard Limit
0.035 ~ 0.077 mm 0.15 mm
EA0M4073
feeler gauge
Limit 0.3 mm or less
EPM2016S