Shibaura SG280E, Workshop Manual

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4. Piston and connecting rod
1) Apply engine oil to the metal surface, piston, and piston ring.
2) Turn the ring, power oil into the ring groove, and split the connection opening 90 degrees.
3) Use ring scissors to insert the connecting rods with the numerical marks facing toward the injection pump.
1) Tighten the connecting rod cap to the rated torque, and
then check the allowance in the axis direction.
Connecting rod tightening torque N
⋅
m
49 to 53.9 (5.0 to 5.5 kgf ⋅ m)
Allowance in connecting rod axis direction (mm)
Assembly standard Usage limit
0.1 to 0.3 0.7
5. Suction pipe and suction filter
1) Install the O-ring on the suction pipe, and then insert it
into the cylinder block.
2) Insert the tip of the suction pipe into the suction filter, and
then fix the filter.
Suction filter tightening torque N
⋅
m
8.82 to 12.74 (0.9 to 1.3 kgf ⋅ m)
6. Oil pan and front plate
Tighten along diagonals.
CAUTION:
Assemble the connection rods with the
smallest numerical marks toward the front.
Fig.2-6-5
Fig.2-6-6
Fig.2-6-7-2 Fig.2-6-7-1
Suction pipe