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15.
Make sure that the upper parallel key (6) is still at 12 o'clock,
i.e. the carrier shaft has not been moved.
16.
Insert the rotor with clockwise screw profile [R] at the top.
17. For rotors made from steel or stainless steel:
— Screw the grub screws (5) back into the auxiliary disas-
sembly threads.
— Use new O-rings (4) and coat them depending on their
resistance, e.g. with oil or flushing agent.
— Use new cover disks (3) if required.
— In each case, push on the cover disk (3) with the O-ring
(4) correctly fitted into the groove so that the recess points
towards the parallel key (6).
— Use new sealing washers (2) for the rotor fastening
screws (1).
18. With Premium polymer rotors:
— Use new O-rings (9).
— Fit the O-rings (9) onto the rotor fastening screws (8)
which have also been replaced if necessary. Ensure that
each O-ring (9) is correctly fitted into the O-ring groove of
the rotor fastening screw (8).
19.
Screw in the hexagon socket head cap screws (1 and/or 8)
using a suitable hexagon socket wrench and tighten them (1
and/or 8) with a torque wrench.
Maintenance and Repairs
BA-Classic FL_en-US, 03.05.2018
www.boerger.de / www.boerger.com
134