WinGD X92 - Page 262

Maintenance3303−2/A2
Winterthur Gas & Diesel Ltd.
6/ 12
4. Top Bearing Shell −
Inspection
WARNING
Injury Hazard: Before you
operate the turning gear,
make sure that no
personnel are near the
flywheel.
1) Unlock the turning gear.
2) Operate the turning gear to turn the
crank to the fuel side until the
crosshead (1, Fig. 7) is approximately
300 mm above the plug bore.
3) Put oil on the four bolts(2).
4) For 6and 7 Cylinder engines: Attach
the two supports (94322) and (94322A)
with the four bolts (2).
5) For 8 to 12 Cylinder engines: Attach
two supports (94322A) with the four
bolts (2).
6) Torque the four bolts (2) to 150 Nm.
7) Tighten the special screw (3) on each
support.
8) Operate the turning gear to lower the
crosshead (1) on to the special
screws (3).
9) Put the chain of the manual ratchet
(H3, Fig. 8) around the connecting
rod (3).
10) Operate the turning gear to turn the
crank to the fuel side. At the same time,
operate the manual ratchet (H3) to
keep a light tension on the chain.
Note: Make sure that there is no load on
the corners (X) of the bearing
shell (1).
11) Operate the turning gear to turn the
crank to 100° after TDC.
12) Do an inspection of the top bearing
shell.
13) Attach the deviation pipe (94117B) to
the column.
2017
Bottom End Bearing − Removal, Inspection and Installation
WCH03013
300 mm
1
2
3
94322A
94322
3
WCH03013
Fig. 7
1
H3
3
2
X
X
Fig. 8
WCH03783
94117B