JABSCO Hy-Line, Инструкция по установке, эксплуатации, техническому обслуживанию и запасным частям

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07/03
Hy~Line
and
Ultima
Lobe Pumps
c) Fit new O-rings (103) into the recesses in
the rear face of the rotor case and re-fit the
flushing housings.
d) Fit and tighten the 4 retaining bolts (83)
e) Fit a new O-ring (99) into the groove in
the sleeve.
f) Lubricate the O-ring and slide the sleeve
(96) into the rotor. Make sure the drive pin in
the rotor is located in the hole in the sleeve.
g) Lubricate the dynamic O-ring (100) and fit
into the seal housing.
h) Slide the rotor onto the shaft ensuring
that the leading end of the sleeve slides
smoothly through the primary and
secondary dynamic O-ring (100)
i) Re-fit the rotor retaining screw and O-ring
to the rotor and tighten to the correct torque
(See Performance Data Sheet)
6.09 Multi-Lip Seal
Under development, details to follow
shortly.
6.10 ROTOR CASE
Disconnect process pipes and any
flush/barrier connections, first ensuring fluid
is not under pressure. The rotor case can
be removed after withdrawing the end cover
(see section 6.01), the rotors (see section
6.02) and the four hexagon socket screws
(52) holding the rotor case (51) to the
bearing carrier (1). Note that the rotor case
is dowelled and can only be re-fitted one
way round.
Secure the pump onto a workbench
or baseplate before removing the
rotorcase, as the gearbox will tip
backwards without the rotorcase
being in position.
The rotorcase is heavy, ensure that it
is supported before the four hexagon
socket screws are removed.
If primary or secondary static seal seats (80)
are still fitted to the rotorcase take care not
to damage them on the shaft ends (24 &
25). If single flushed seals are fitted take
care not to damage them on the shaft
splines or shims (30).
To re-fit, reverse the above procedure.
Torque the four hexagon head socket
screws (52) to the correct setting. (see
Performance Data Sheet).
6.11 ROTOR CLEARANCE -
ADJUSTMENT
Hy~Line
and
Ultima
pumps have very
small, carefully controlled clearances
between rotors and rotor case - see
Performance Data Sheet for specific details.
If the end clearances are incorrect they can
be adjusted. The other clearances- rotor to
rotor (Y) and rotor tip to rotorcase bore (Z)
factory set and cannot be adjusted. See
figure 18.
Note :- Shims on tri-bolt fit inside rotor!
Page 31
Figure 18 - Shim / Clearance Measuring