Kubota D1803-CR-E4 User Manual

6.3 Installing main bearing case
1. Install the main bearing case (7).
IMPORTANT
• Clean
the
oil channel in the main bearing
case.
• Align the numbers (1) on the main bearing
case.
• When you install the main bearing case,
point the [FLYWHEEL]mark (2) to the
flywheel.
NOTE
• Apply oil to the crankshaft bearing.
•
When you install the thrust bearing, point
the oil groove (8) externally.
• Install the main bearing case assemblies in
the initial positions. Since the diameters of
the main bearing cases are different, install
them in the sequence of their marks (A, B for
3 cylinders and A, B, C for 4 cylinders) from
the gear case cover side.
(1) Number
(2) FL
YWHEEL mark
(3) A
(4) B
(5) C
(6) No mark
(7) Main bearing case
(8) Oil groove
2. Tighten the main bearing case screw 1 to the
specified torque.
NOTE
• Apply engine
oil to the main bearing case
screws 1.
• After you tighten the main bearing case
screw 1 to the specified torque, make sure
that the main bearing case moves smoothly.
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
SERVICING
6. Assembling 4. ENGINE
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
4-137
KiSC issued 12, 2018 A

Kubota D1803-CR-E4 Specifications

General

Brand	Kubota
Model	D1803-CR-E4
Category	Engine
Language	English