Weichai America Corp.
8
2)
The tightening sequence of cylinder head is:
2-3-4-1
3)
The torque range of cylinder head bolt should be:
M14
－
12.9: (230
～
300) N·m
M14
－
10.9: (190
～
285) N·m
Key point 2:
Inspection:
1)
Measure the protrusion of cylinder sleeve (0.05mm~0.10mm is qualified).
Note that protrusion of cylinder sleeve is average value of X direction and Y direction; and the
measurement should be done without seal rings. Cylinder sleeve for the same engine should be
uniform.
2)
No corrosion, scratch and crash damage is allowed for fitting surface and friction surface, wipe
them out and apply clean lubricating oil or grease before assembling.
Assembly:
Place cylinder sleeve vertically on engine block, install seal rings on the sleeve and engine block and
then assemble the sleeve, knock it to the right place evenly with nylon rod.
Key point 3:
Disassembly:
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