TOHATSU TLDI MD 115A SERIES, Руководство по обслуживанию

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5-44
Power Unit
TLDI 115A 2007
21) Assembling Power Unit Parts
1. Install main bearing (upper)
1
to crank shaft ass’y.
1
Face the marking on the bearing to flywheel
side.
2. Install crank shaft ass'y to cylinder.
Apply genuine engine oil to the following parts before
assembling them.
· Big End of Connecting Rod
· Small End of Connecting Rod
· Main Bearing
· Piston Ring and Entire Circumference of Piston, and
Entire Cylinder Wall
· O Ring of Upper Bearing
3
2
1
3. Positioning bearing
Put the pin of bearing (lower) on the cylinder and then, put
washers 7 in the cylinder grooves snugly.
7
7 6
6
4. Bring seal ring gap
a
to crank case side center.
a
Before completely assembling crank shaft parts,
position the bearing, washer and seal rings
properly.
· When installing crank shaft ass'y, lower the
ass'y gradually so that crank shaft is held
parallel with the cylinder face.
· Insert pistons one by one while confirming that
each piston enters vertically in the cylinder
liner. Pistons can be inserted easier while
moving them up and down a little.
· Put a piece of round bar or pipe
3
of ø19 mm
(0.75 in) in the drive shaft opening to make it
easier to hold.
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