07/03
Hy~Line
and
Ultima
Lobe Pumps
ATTENTION: The end cover is heavy,
take care to support it when removing
the bolts (123).
a) Remove bolts (123) and remove cover. If
it is stuck tap carefully sideways with a
soft hammer, do not lever off.
b) Do not damage face of cover or joint
ring(s); place face upwards on a
clean surface.
Re-fitting:-
a)
Hy~Line
only
: Place the O-ring (120) in
the end cover groove, ensuring that it
seats evenly .
a)
Ultima
only:
Fit end cover joint ring
(121) in rotor case as figure 11a & 11b.
Press in, in 4 places first, see figure 11c,
then press in the rest to avoid forming
loops.
b) To refit, reverse the procedure, ensuring
the end cover is correctly located on rotor
case before tightening screws to the
correct torque. (See performance data
sheet).
6.02 ROTORS
Removal
Disconnect pump from motor drive. Remove
end cover - see section 6.01.
a)
Hy~Line
only:
The rotors are secured by
special slotted screws (59) sealed by
O-rings (58). Lock the pump rotors with a
soft spacer - a plastic block (180) is
provided for this purpose. (see also
figure 11). Use only the special tool (181)
supplied to loosen and retighten. Both
screws have a right-hand thread.
Withdraw rotors carefully to avoid seal
damage by contact between shaft ends
and seals faces which are located on the
back of the rotors.
a)
LH72, 74, 76 & Tanker Pumps
: Lock the
pump rotors with a soft spacer - A plastic
block (180) is provided for this purpose
(see also Fig.11). Use only the special
tool (181) supplied to loosen and
retighten the hygienic cap (59A) both
screws have a right-hand thread.
Remove the three bolts holding the
rotors onto the shaft using an allen key.
Withdraw rotors carefully to avoid seal
damage by contact between shaft ends
and seal faces which are located on the
back of the rotors.
a)
Ultima
only:
The rotors in
Ultima
pumps
are held in place with tie-rods (26 and
27) which have threaded ends and pass
through the hollow shafts (24 and 25).
The tie rods are secured with nuts (87)
and washers (88). To remove rotors
proceed as follows:
Lock the pump rotors with a soft spacer -
a plastic block (180) is provided for this
purpose. See also figure 11. Loosen and
remove tie-rod nuts (87) and washers
(88).
Push the tie-rod (26 & 27) through the
shaft to release the rotors (57) from the
shafts (24 and 25). A soft mallet may be
used on the end of the tie-rod, however
care must be taken not to damage the
thread.
Once the rotor and tie-rod are removed
from the shaft the rotor (57) can be
removed by unscrewing it from the tie-
rod (26 and 27) which should be held in
a soft jaw vice. Ensure that the tie-rods
Page 22
Summary of Contents for Hy-Line
Page 41: ...07 03 Page 39 Hy Line and Ultima Lobe Pumps 7 00 MODEL NUMBER BUILD CODE...
Page 43: ...07 03 Page 41 Hy Line and Ultima Lobe Pumps 8 01 PARTS LIST...
Page 44: ...Page 42 Hy Line and Ultima Lobe Pumps 07 03 8 01 PARTS LIST CONTENTS OF KITS...
Page 45: ...Page 43 Hy Line and Ultima Lobe Pumps 07 03 8 02 Hy Line EXPLODED DIAGRAM...
Page 46: ...07 03 Page 44 Hy Line and Ultima Lobe Pumps 8 03 Ultima EXPLODED DIAGRAM...
Page 47: ...07 03 Page 45 Hy Line and Ultima Lobe Pumps 8 04 Hy Line 3 Size SECTIONAL VIEW...
