Kipor KM2V80 - Piston and piston pin checks

Picture 40 Measure the height of cam
2.3 Lube oil clearance of camshaft axial diameter
Measure camshaft journal with outside micrometer, measure inside diameter of camshaft hole
with inside diameter lever meter; account the lube oil clearance. If the measured clearance
exceeds the limitation valve, please change the camshaft. Refer to picture 41.
Picture 41 Measure fitting clearance of camshaft aperture and axial diameter of oil supplying
camshaft
Model
Item
KM2V80
Standard
Service
limitation
Camshaft aperture and
axial diameter of oil
supplying camshaft
0.032～
0.061
0.15
2.4 Valve tappet
(1) Check the upper part of tappet. The tappet center line is supposed to be off-centering to the
camshaft center, so that to avoid uneven wearing. Change the tappet if it wears severely.
(2) Check the tappet surface. Change the tappet if it is damaged or worn.
3. Piston and piston pin
3.1 Piston
(1) Check piston top surface, clear up the gathered carton on it, please be careful and don’t hurt
the surface.
(2) Check piston outside diameter, if damage of piston surface or ring groove exceeds the
limitation value, please change for a new piston.
(3) Check inside diameter of piston pin hole, if the value of it exceeds the limitation value, please
change for a new piston. Refer to picture 42.