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NT 1008-C00 07 18 P BA series e
6. OPENING AND CLOSING THE DRIVE SIDE BASE
(continued)
6.3 Changing the bushing
• Loosen the 3 screws
726
.
• Remove the front cover
401a
from the strainer
725
by
sliding it along the shaft
501
(be careful not to drag the
shaft seal or subject it to any impact).
• Insert the extractor inside the ring
407
, as far as the
front cover
401a
.
• When the extractor is in place, remove the ring
407
.
Reassembly
:
• Place the front cover
401a
vertically on the smaller sur-
face.
• Offer up the ring
407
on the hole.
• Fit the ring
407
by pushing it on with a sleeve using a
press. The face of the ring
407
must be in line with that
of the front cover
401a
.
• Fit the front cover
401a
on the strainer
725.
If there is a double shaft seal, index the seal insert and
the cover.
• Tighten the 3 screws
726
.
6.4 Reassembly the vanes and pushrods
6.4.1 Shaft with 2 key grooves
• Position the shaft
501
vertically with the front cover
401a
facing down.
• Check the seal
403
, and replace if necessary.
• Fit the seal
403
in the front cover
401a
.
• Fit the keyways
536
.
• Insert the rotor
301
on the shaft
501
.
In the case of a rotor with 6 vanes, make sure the rotor
is facing the right direction. The rule for correct orienta-
tion is as follows : The rotor should be oriented such
that as the shaft rotates and turns to the discharge side,
the inside recesses are behind the vane, as seen by the
observer (fitting direction here is counterclockwise).
CAUTION
CAUTION
