WinGD RT-flex50DF, Maintenance Manual, Page: 124 / 586

Maintenance
1903 − 1/A1
Winterthur Gas & Diesel Ltd.
2/ 3
3. Tie Rods − Replace
3.1 Preparation
1) Remove the protection cover (1, Fig. 2 )
from the tie rods (2).
2) Clean the surface of the intermediate
ring (5).
3) Remove the set screws (7).
4) Refer to 9403 − 4 , then attach the two
pre-tensioners (94180) to two tie rods
(2), e.g. a − a). See Fig.1 .
5) Loosen the round nuts (4), refer to
9403 − 4.
3.2 Removal
1) Use two round nuts screwed together
to loosen fully the tie rod (2).
2) Attach an applicable eye bolt (e.g.
M20) to the tie rod (2).
CAUTION
Injury Hazard: The weight
of the tie rod is
approximately 254 kg. Use
the correct equipment for
removal.
3) Attach the crane to the eye bolt.
4) Lift the tie rod (2) from the cylinder
jacket (5).
3.3 Installation
1) Apply Molykote paste G to the bottom
thread of the M80x6 tie rod (2).
2) Make sure that the bush (6) is installed.
3) Attach an applicable eye bolt to the tie
rod (2).
4) Attach the crane to the eye bolt.
5) Lower the tie rod (2) into the cylinder
jacket (5).
6) Turn the tie rod (2) until the bottom is
flush with the nut (9).
7) Clean the top surfaces of the cylinder
jacket (5).
8) Make sure that the intermediate ring (4)
is installed.
9) Apply Molykote paste G paste to the
top thread of the tie rod (2) and to the
top surface of intermediate ring (4).
10) Attach the round nut (3) to the tie
rod (2).
11) Lift the tie rod (2), then fully tighten the
round nut (3).
12) Apply tension to the tie rods (2), refer to
paragraph 3.4 .
2016
Tension Checks and Replacement Procedure
2
II
I
I
2
5
3
4
1
II
I
5
6
I
I - I
6
7
III _ III
8
11
10
9
FLUSH
WCH00667
III
III
Fig. 2