Kohler KD 500 Werkstatt-Handbuch - Seite 18

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Disassembly of the engine

Main bearing

00365R0900

00366R0230

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Demounting the piston

Take out the piston pin as shown in fig. 5.

Warning: do not demount the head when hot or the

retention surfaces could be damaged.

Use tool code 00365R0900 and plug code 00366R0220 (fig. 6)

to demount the main bearings from the engine casing and cover

on the timing system side.

To fit the main bearing back into the engine casing, use tool

code 00365R0900 with plug code 00366R0220 and sleeve code

00366R0230 side A (fig. 7).

To mount the main bearing on the cover on the timing system

side, use tool code 00365R0900 with plug code 00366R0220

and sleeve code 00366R0230 side B (fig. 7).

00366R0220

During the assembly operations, make sure that the bearing

holes match the oil ducts by making reference marks with a felt-

tip pen.

Make sure that the reference mark on the bearing edge points

towards:

- the casing interior

- the outer part of the timing system cover.

WARNING

Main bearing

Proceed with the following inspections after assembly:

Cover on timing system side

The main bearing must project 1.7 to 2 mm in relation to

the bearing surface of the bull ring (inner side of cover).

Engine casing

The main bearing must be flush with the bearing surface

of the shimming ring (inner side of casing).

00366R0220

Workshop Manual KD500 _ cod. ED0053029390 - 1° ed_rev. 00