OMAC B Series, Installation, Operation And Maintenance Manual

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29. Assemble the seal rings (18) on retainers (9). 30. Assemble the rotor case as previuosly described;
tighten the retainer ring nut with the corresponding
lock washers and set rightly the retainer keys. In order
to avoid turning during operation insert a non metal
wedge between rotors.
31. If clearance are not included in tolerances as per tab.
13, untighten the screws which lock the back bearing
supports, remove the spacers and adjust them
according to the requested dimension.
N.B. a spacer set can be requested to the
manufacturer company.
33. Tighten completely the adjustable gear screws taking
care of the driving torque as per tab. 14.
N.B. IN CASE OF RE-TIMING IT'S NECESSARY
TO REPLACE THE PLANE WASHERS, CAVED BY
PREVIOUSLY CLAMPING.
34. Assemble the gear cover, taking care to set the O-
ring and insert the key on the shaft. Put into gear
box the oil quantity as per tab. 10.
32. Time perfectly the rotors and tighten the screws of
the adjustable gear gradually checking the rotor
timing. You can reach the adjustable gear through
a window arranged on the top of the bearing housing.