Maintenance2708−2/A1
Winterthur Gas & Diesel Ltd.
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4) Connect the two connection pieces (94215B, Fig. 2) and their HP hoses to the
hydraulic jacks (94215A).
5) Connect the hydraulic unit (94942) to the connection pieces (94215B).
94215B
94215A
94942
94935
94934
94934A
012.962/05
I
94215B
I
Fi
. 2
3. Loosen
1) Attach the pre-tensioning jacks, refer to paragraph 2.
2) Operate the hydraulic unit (94942).
3) Close the vent screws (1, Fig. 1) when oil that has no air flows out.
4) Operate slowly the hydraulic unit to increase the pressure to between
approximately 1550 bar to 1560 bar.
Note: Do not move the pistons (1, Fig. 3) above the limit of the red groove (2).
5) Use the round bar (6) to turn the round nuts (4) back approximately two full turns.
6) Release pressure to zero bar.
7) Remove the pre-tensioning jacks.
2016
Cylinder Cover Elastic Studs − Loosen and Apply Tension
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