Service Manual

Weichai America Corp.
Revision: August 2019 76
Fig. 12-2 Exploded view of engine block
12.2.2 step to disassemble Engine Block Module
(1) Remove main bearing bolts (key point 1);
(2) Remove main bearing caps (key point 2);
12.2.3 Steps to assemble engine block module.
Assembling steps are contrary to disassembling ones.
12.2.4 Inspect and repair engine block module.
Key point 1:
Inspection:
Check and clean engine block. Including but not limited to: Assembly environment must be clean; check
engine block finished surfaces for crash damage, scratch and rust; do not bump and scratch the parts during
assembling, and besides special requirements, sharp corner and edge on parts must be smoothed.
Assembling:
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