Hartford Industrial Co., Ltd.
NO
CG
4.Cylinder,cylinder
head,valves and piston
Page
4-7
4.4.6Check the spring valve
Measure the free length of the valve
springs Inspect the piston rings for
scoring or damage
Measure the piston pin hole diameter
and ovality
Outer spring service limit: 39.7mm
Inner spring service limit: 32.5mm
4.4.7Check the cylinder head
Check the cylinder head for scoring
or damage
With a straight-edge and feeler
gauges,check the head gasket
surface for warping or distortion
Service limit : 0.10mm