WinGD RT-flex50DF, Maintenance Manual, Page: 94 / 586

Maintenance
1132 − 1/A1
Winterthur Gas & Diesel Ltd.
2/ 3
5) Connect the two double pre-tensioning jacks (94114B, Fig. 2 ) to the hydraulic
unit (94942).
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94114B
94934G
94935
2
1
94934A
94934
94942
Fig. 2
3. Waisted Studs − Loosen
1) Install the double pre-tensioning jacks
(94114B), refer to paragraph 2 .
2) Start the hydraulic unit (94942).
3) When oil that has no air flows out,
close the vent screws (7, Fig. 3 ) on the
pre-tensioning jacks (94114B).
4) Operate the hydraulic unit until a
pressure of approximately 1530 bar
shows.
Note: Do not move the piston (5) of the
pre-tensioning jack (94144B)
above the red groove (2).
5) Use the round bar (4) to turn the round
nuts (3) back approximately
¾
of a turn
to get the clearance (5, Fig. 1 ).
6) Stop the hydraulic unit (94942) and
release the pressure to zero.
7) Remove the double pre-tensioning
jacks (94144B).
Main Bearing: Waisted Studs − Loosen and Apply Tension
2016
94114B
018.676/09
7
Fig. 3
2
1
4
6
3
5