Winterthur Gas X35-B, Maintenance Manual, Page: 126 / 547

Maintenance
1903 − 1/A1
Winterthur Gas & Diesel Ltd.
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3. Tie Rods − Replace
3.1 Preparation
Note: There are two tie rods at locations
a − a, b − b, c − c, e − e and f − f. There is
one tie rod at locations d − d and g − g
(see Fig. 1 ).
1) Remove the protection cover (1, Fig. 2 )
from the applicable tie rods (2).
2) Clean the surfaces of the intermediate
rings (4).
3) Connect the applicable equipment to the
double pre-tensioning jacks, refer to
9403 − 2 .
4) Attach the two double pre-tensioner
jacks (94180) to the applicable two or
four tie rods (2), refer to 9403 − 4 .
3.2 Removal
1) Apply a pressure of 1530 bar to the tie
rod, refer to 9403 − 4 .
2) Loosen the round nuts (3).
3) Release the pressure in the
pre-tensioning jacks (94180).
4) Remove the pre-tensioning jacks
(94180).
5) Use two round nuts screwed together to
loosen fully the tie rod (2).
6) Attach an M12 eye bolt to the tie
rod (2).
7) Attach the hook of the engine room
crane to the M12 eye bolt.
8) Operate the engine room crane to
remove the tie rod (2) from the cylinder
jacket (5).
3.3 Installation
1) Clean the top surfaces of the cylinder jacket (5).
2) Apply Molykote paste G to the bottom M42x3 thread of the tie rod (2).
3) Make sure that the intermediate ring (4) is installed.
4) Attach an M12 eye bolt to the tie rod (2).
5) Attach the hook of the engine room crane to the M12 eye bolt.
6) Operate the engine room crane to lift then lower the the tie rod (2) into the cylinder
jacket (5).
7) Remove the engine room crane and the M12 eye bolt.
8) Apply Molykote paste G to the top thread of the tie rod (2) and the opt surface of the
intermediate ring (4).
9) Attach the round nut (3) to the tie rod (2).
10) Tighten fully the tie rod (2).
11) Apply tension to the tie rod, refer to paragraph
3.4 .
2017
Tension Checks and Replacement Procedure
Fig. 2
3
2
5
4
I
1
WCH03622
3
5
I
II
WCH03622
2-part Bush
II