Kubota D1803-CR-E4 - Checking Oil Clearance between Crankshaft Journal and Crankshaft Bearing 2

NOTE
• If the
temperature of the sleeve is not
enough to install, the sleeve can get a
damage when you install.
Heating temperature of a new
sleeve
150 to 200 ℃
302 to 392 ℉
4. Press fit the sleeve to the crankshaft with the
crankshaft sleeve press fit tool (4).
(1) Stopper
(2) Sleeve guide
(3)
Crankshaft sleeve
(4) Crankshaft sleeve press fit
tool
(5) Crankshaft
7.35 Replacing crankshaft bearing 1
Tools required
• Crankshaft bearing 1 replacing tool
Removing crankshaft bearing 1
1.
Press out the used crankshaft bearing 1 with the
crankshaft bearing 1 replacing tool.
Installing crankshaft sleeve
1. Clean a
new crankshaft bearing 1 and crankshaft
journal bore and apply engine oil to them.
2. Make sure that the seam (1) of the new bearing 1
(2) points to the exhaust manifold side (see the
figure).
3. Press fit the new crankshaft bearing 1 (2) with the
crankshaft bearing replacing tool.
Dimension (A)
Service specifi-
cation
3.90 to 4.10 mm
0.154 to 0.161 in.
(1) Seam
(2)
Crankshaft bearing 1
(3)
Crankcase
(A) Dimension
7.36 Checking oil clearance between
crankshaft journal and crankshaft
bearing 2
Tools required
• Plastigauge
1.
Clean the crankshaft journal and crankshaft
bearing.
2. Put a strip of plastigauge on the center of the
journal.
IMPORTANT
• Do not put the plastigauge into the oil hole
of the journal.
3. Install the main bearing case.
4. Tighten the main bearing case screws 1 to the
specified torque.
NOTE
• When you
tighten the main bearing case
screws 1, do not move the crankshaft.
Tightening tor-
que
Main bearing case
screw 1
46.1 to 51.0 N⋅m
4.70 to 5.20 kgf⋅m
34.0 to 37.6 lbf⋅ft
5. Remove the main bearing case again.
SERVICING
7. Servicing 4. ENGINE
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
4-181
KiSC issued 12, 2018 A