
Remounting :
• Check the condition of the contact surfaces of the
counterparts
604
and rotating parts
697
.
• Check the ring seals
602
(2) -
605
(2) -
613
(2) and
change them as necessary.
• Check the lip seals
707
(1) -
716
(1) and replace if neces-
sary.
• Use a clean cloth to clean the contact surfaces of the
shaft seal.
• Mount the counterpart
604
with its ring seal
605
into
the insert
603
engaging the pin
627
in the slot in the
counterpart.
• Lubricate the shaft
501
lightly.
• Fit the insert
603
and seal
602
inside the front cover
401a
. Be sure to index the insert
603
and pin
608
.
• Place the first rotating part
697
and seal
613
in posi-
tion. Keep it on the side indicated in the table and tigh-
ten the screws
617
to keep it on the shaft
501
.
• Place the second rotating part
697
and seal
613
in
position. Keep it on the side indicated and tighten the
screws
617
to keep it on the shaft
501
(lock the screws
with Loctite
®
643* or equivalent).
• Mount the second counterpart
604
with its ring seal
605
in the shaft seal holder
601,
fitting the dowel pin
627
into
the notch in the counterpart.
• Insert the shaft seal holder
601
and seal
602
in the
strainer
725
(be careful not to bump the edge of the
counterpart
604
of the shaft seal).
• Tighten the 2 screws
729
and their nuts
730
.
• Slide the strainer
725
onto the shaft
501
until it
contacts the front cover
401a
.
• Tighten the 3 screws
726
.
• Position the washer
731
against the shoulder of the
shaft
501
.
• Fit the bearing
703
on the shaft by hand.
• Push it using a sleeve until it comes up against the
washer
731
. In no case must the bearing be pushed
onto the shaft without support for the shaft
501
.
FAILURE TO FOLLOW THIS INSTRUCTION CAN CAUSE
SERIOUS DAMAGE TO THE INTERIOR OF THE PUMP.
• Position the second washer
731
against the bearing
703
.
• Fit the circlip
537
.
• Wipe the faces of the cover
705
and strainer
725
with
a clean cloth.
• Fit the lip seal
707
into the cover
705
.
• Fit the cover
705
to the strainer
725
.
• Tighten the 4 screws
723
.
• Check that the pump rotates freely when turned by
hand.
• Reinstall the pump.
• Refit the retaining screws on the pump.
• Couple the pump by refitting the coupling sleeve.
• Check the pump alignment (see § ALIGNMENT OF
MOTOR/PUMP AND REDUCTION GEARBOX/PUMP
SHAFTS).
40/45
NT 1008-D00 08 18 P BI series e
9. SHAFT SEAL (continued)
* Loctite
®
is a registered brand.