Maintenance1132−2/A1
Winterthur Gas & Diesel Ltd.
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Note: Use the applicable equipment to carefully move the bearing shell into
position (for No. 1, see Fig. 17 and for No2 to No. 8 see Fig. 14).
8) Carefully move the bearing shell into the bearing girder (on the fuel side).
9) Carefully install the Allen screws to the bearing shell.
10) Release the pressure of 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 the oil bore (OB,
Fig 19).
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 Fig. 7.
D For bearing cover No. 1, refer to
Fig. 11).
Note: The top bearing shell is attached
to the cover with two Allen screws
(2, Fig. 19). The spring dowel pins
(1) help to get the bearing cover (3)
in position during the installation.
4) Clean all contact surfaces on 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) Remove the thrust device 94110.
7) Apply tension to the elastic studs (4),
refer to 1132−1.
8) Tighten the round nuts (6).
9) Clean the pipes (1, Fig.20).
10) Install the pipes (1), their gaskets and
new tab washers (4).
11) Tighten the screws (3).
12) Lock the screws (3) with the new tab
washers (4).
13) Remove all tools and equipment from
the work area.
14) Measure the bearing clearance and
compare the value measured in
paragraph 2, step 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
1
OB
Fig. 19
Fig. 20
2
34
5
WCH03021
WCH03021
1
3, 4
6
3, 4
2
6
5
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