ENGINE
L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
1-S54
Main Bearing Case Assembly
1. Remove the two main bearing case screws 1, and remove the
main bearing case assembly being careful with thrust bearing
and crankshaft bearing.
2. Remove the main bearing case 1, 2 as above.
(When reassembling)
• Clean the oil passage in the main bearing case.
• Apply clean engine oil on the bearings.
• Install the main bearing case assemblies in the original
positions. Since diameters of main bearing cases vary, install
them in order of markings (A, B for 3 cylinders and A, B, C for 4
cylinders) from the gear case side.
• Match the alignment numbers (1) and mark (2) on the main
bearing case.
• When installing the main bearing case 1 and 2, face the mark
"FLYWHEEL" to the flywheel.
• Install the thrust bearing with its oil groove facing (7) outward.
• Make sure that the main bearing case moves smoothly after
tightening the main bearing case screw 1 (8) to the specified
torque.
9Y1211167ENS0052US0
Tightening torque Main bearing case screw 1
46 to 50 N·m
4.7 to 5.2 kgf·m
34 to 37 lbf·ft
(1) Alignment Number
(2) Alignment Mark
(3) A
(4) B
(5) C
(6) No Mark
(7) Oil Groove
(8) Main Bearing Case Screw 1
To Next Page
Loading...
Need help?
General