Maintenance
1715−1/A1
Winterthur Gas & Diesel Ltd.
1/ 2
Pre-tension Checks
Tools:
1 Feeler gauge 94122 2 Pressure gauge 94934A
1 Pre-tensioning jack 94145 1 HP hose 94935
1 HP oil pump 94931
1. General
The engine stays (see Fig.1) are related to the design of the ship. The engine stays
are installed as follows:
D Four engine stays are installed on the exhaust side, or the fuel side.
D Two engine stays are installed at the free end.
D Two engine stays are installed at the driving end.
The engine stays have friction shims.
You must do a pre-tension check of the bolts (2) at the specified intervals (refer to
0380−1 Engine stays with friction shims).
Note: To do the pre-tension checks on the engine stays, you use the same jack
(94145) as that used for the the foundation bolts. The nameplate has the
stamp 1500 bar. The pre-tension value for the engine stays is 170 bar only
I
I
1
1
SHIP SIDE
4
1
2
3
6
5
WCH02907
WCH02907
Fig. 1: Engine Stays
2015
Engine Stays with Friction Shims
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