Weichai America Corp.
39
Fig 3-4 Exploded view of Circlip
2.
Insert the small end of connecting rod into the piston cavity, align the connecting rod small
end with the piston pin hole and install the piston pin; finally, install the piston pin circlip on
the other side. Pay attention that the oblique cut of connecting rod should be in reverse
direction with that of the inlet hole of piston cooling oil duct, and the connecting rod small end
hole and piston pin should be applied with appropriate clean lubricating oil before assembling.
Fig 3-5 Exploded view of piston and connecting rod
3.
Arrange the preassembled piston & connecting rod assemblies in order according to the
cylinder number, and use a piston ring pliers to install the oil ring, 2nd gas ring and 1st gas
30°
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