Note:
※
Check whether piston rings in ring groove moves freely or not,
make sure no blocking.
※
The angle between the open end of the first ring and piston pin
axial line should be 30°±5°, and make sure there is a degree of 120°
between each open end of piston pins.
※
Piston-connecting rod parts assembled in the same engine must
be in the same weight group.
※
Check connecting rod shells and see whether there’s scratching or
not. Not allowed to use them if there’s scratching.
● Put in piston-connecting rod in sequence and gently screw
connecting rod bolts.
Note
：
※
The separate side of connecting rod shell should face oil cooler.
※
The piston should be put in its corresponding cylinder.
※
Connecting rod cap and connecting rod body should be matched,
which cannot be interchanged.
※
Avoid connecting rod scratching crankshaft arm when assembly.
※
Coat supporting face and thread with clean lubricating oil before
tighten connecting rod bolts.
※
The inner and outer walls of piston sliding bush must be lubricated.
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