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9
Disassembly of the engine
5
Main bearing
00365R0900
6
00365R0900
00366R0230
7
- 18 -
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.
Demounting and remounting the main bearings
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
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