Maintenance
9403
−
3/A1
RT-flex58T-D
Winterthur Gas & Diesel Ltd.
1.
General
The hydraulic pre-tensioning jacks forming part of the engine tool kit are to be
stored in their tool boxes when not in use, in a clean place, where they are pro-
tected from damage (after greasing them and closing the connections with dust
plugs). We recommend to always keep in stock a sufficient number of new back-up
and O-rings of the specified quality and dimensions.
Always pay attention to the correct position when fitting new back-up and
O-rings
as shown on the following pages.
When inserting new back-up and O-rings proceed with care to avoid their damage;
do not use any sharp edged utensils for assistance!
Heat uncut back-up rings in boiling water before fitting them.
1.1
Dimensions of back-up and O-rings
Tool
No.
Place of application of
pre-tensioning jack
Part
Back-up ring
uncut (*cut)
O-ring
Dimension
[mm]
o
∅
x i
∅
x t
i
∅
x s
94114
Elastic bolts to main bearing
piston
cylinder
109 x 99.6 x 1.7 *
79.9 x 70.5 x 1.7 *
97.79 x 5.33
69.22 x 5.33
94145
Foundation bolt and engine stay
piston
cylinder
117 x 107.6 x 1.7
94.4 x 85 x 1.7
104.14 x 5.33
85.09 x 5.33
GF 94180
Tie rod
piston
cylinder
183 x 170.8 x 2.5
127.4 x 118 x 1.7
164.47 x 6.99
116.84 x 5.33
GF 94215
Elastic bolt to cylinder cover
piston
cylinder
129 x 119.6 x 1.7
98.4 x 89 x 1.7
116.84 x 5.33
88.27 x 5.33
94252
Elastic bolt to exhaust valve cage
piston
cylinder
185 x 172.8 x 2.5
107.4 x 98 x 1.7
170.82 x 6.99
97.79 x 5.33
94314
Elastic bolt to bottom end bearing
piston
cylinder
150 x 137.8 x 2.5
109.4 x100 x 1.7
135.89 x 6.33
100.97 x 5.33
94315
Elastic bolt to top end bearing
piston
cylinder
115 x 105.6 x 1.7
84.4 x 75 x 1.7
104.14 x 5.33
75.57 x 5.33
94340
Elastic bolt to piston rod foot
piston
cylinder
85 x 75.6 x 1.7
64.4 x 55 x 1.7
75.57 x 5.33
56.52 x 5.33
O-ring
t
i
∅
o
∅
i
∅
o
∅
002 696/98
Back-up ring
s
011.032/03
2013
Hydraulic Pre-tensioning Jacks
Storing, Servicing and Maintenance
Summary of Contents for WARTSILA RT-flex58T-D
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