Maintenance
1132−2/A1
Winterthur Gas & Diesel Ltd.
13/ 14
Note: To prevent bearing shell movement into the bearing girder, hold the
bearing shell and move it slowly into the bearing girder (on fuel side) at
the rope ends.
8) Carefully move the bearing shell into the bearing girder (on the fuel side).
9) Carefully put the Allen screws into the bearing shell.
10) Release the pressure at HP oil pump (94931) to fully lower the crankshaft.
11) Remove the hydraulic rams 94936, 94936 and the hydraulic pump 94931.
6.2 Main Bearing Cover −
Installation
1) Make sure that the work area and all
tools and equipment are clean and in
good condition.
2) Remove all plugs from oil bore (OB).
3) Use the applicable equipment to get
the bearing cover in the correct position
above the crankshaft as follows:
D For bearing covers No. 2 to No. 8
refer to paragraph 2.
D For bearing cover No. 1, refer to
paragraph 3).
Note: The top bearing shell is attached
to the cover with two Allen screws
(2, Fig. 27). The spring dowel pins
(1) help to get the bearing cover (3)
in position during the installation.
4) Clean all surfaces on the the bearing
cover (3) and the bearing girder (5).
5) Lower the bearing cover (3) on to the
bearing girder (5). Make sure that the
two spring dowel pins engage correctly.
6) Apply tension to the elastic studs (4),
refer to 1132−1.
7) Tighten the round nuts (7).
8) Clean the pipes (1, Fig. 28).
9) Install the pipes (1), their gaskets and
new tab washers (4).
10) Tighten the screws (3).
11) Lock the screws (3) with the new tab
washers (4).
12) Remove all tools and equipment from
the work area.
13) Measure the bearing clearance and
compare the value measured in
paragraph 2, with the value given in the
Clearance Table 0330−1.
Note: If the clearance is in the limits
given, the bearing can be removed
and installed again.
2015
Main Bearing − Removal and Installation
WCH02321
1
OB
1
WCH02325
2
2
34
5
3, 4
6
6
Fig. 27
Fig. 28
7
5
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