Maintenance1132−1/A1
Winterthur Gas & Diesel Ltd.
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5) Connect the two double pre-tensioning jacks (94114B, Fig. 2) to the hydraulic
unit (94942).
018.675/09
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
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