Weichai America Corp.
25
Fig. 2-15 Assembly of valve stem sealing sleeve
4.
Assemble cylinder head
1)
Clean the cylinder head carefully and ensure it is free of dust, chip, sand and other dirt; after
that, clean the cylinder head lower surface;
2)
Check cylinder head intake duct, water channel and cylinder for foreign matters, and the
cylinder head gasket and cylinder head lower surface should clean;
3)
Position the cylinder head by using pin-side method before tightening the cylinder head
bolts;
4)
Assemble the cylinder head.
5.
Assemble clamping block
1)
Clean the clamping block;
2)
Apply clean lubricating oil to the bearing surface of clamping block before assemble the
clamps to cylinder heads in turn, and note that the oil quantity should be appropriate without
flowing to the gap between cylinder heads;
3)
When assembling, the direction of clamping block groove should be the same with that of the
gap between cylinder heads;
4)
Screw the cylinder head auxiliary bolt nuts onto the bolts manually.
6.
Assemble cylinder head bolt
Valve
Guide
Install tool
Valve Stem Seal
cylinder head
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