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Kubota D1803-CR-E4 - Assembling Piston Assembly

Kubota D1803-CR-E4
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NOTE
Do not
use an impact wrench. Serious damage
will occur.
Tools required
Flywheel stopper
Flywheel guide screw
1. Set the flywheel guide screw (2).
2. Install the flywheel (1).
3. Attach the flywheel stopper and tighten to the
specified torque.
NOTE
Apply engine oil to the flywheel screws.
Check that there are no metal particles that
remain on the flywheel mounting surfaces.
The flywheel and the crankshaft fit together
in just one position. Make sure they are
securely fit and tighten the screws.
Tightening tor-
que
Flywheel screw
98.10 to 107.9 Nm
10.01 to 11.00 kgf
m
72.36 to 79.58 lbfft
(1) Flywheel (2) Flywheel guide screw
RELATED PAGE
4.30 Measuring angular deviation between crankshaft
T.D.C. and crankshaft position sensor detected T.D.C.
on page 4-112
6.9 Assembling piston assembly
CAUTION
The end
faces of the oil ring are plated with
hard chrome. When you install the piston into
the cylinder, do not give a damage to the
cylinder by the oil ring. If the ring's planting is
scratched, it may get stuck on the cylinder wall,
causing serious damage.
IMPORTANT
Put a
mark on the connecting rod and the
piston with the same number to keep the same
combination.
1. Put the piston fully in 80 (176 ) oil for 10 to 15
minutes.
2. Install the piston pin (4) and the connecting rod (2)
to the piston (1).
NOTE
Apply engine oil to the piston pin.
Align the mark [FW] (5) on the piston to the
flywheel side and the connecting rod mark
(3) to the supply pump side.
(1) Piston
(2) Connecting rod
(3)
Mark
(4) Piston pin
(5) Mark [FW]
4. ENGINE
SERVICING
6. Assembling
4-140
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
KiSC issued 12, 2018 A

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