
50
O-RING SEAL
0097
0550
0183
0182
0130
0090 0095
0082
0540
0936
0802
0804
0890
X
A.0500.251 – IM-TL/13.00 EN (08/2009)
4.7.5.4 O-ring seal
1. Place O-ring seals (0183) in support rings (0097). Next
place both support rings with O-rings (0082) into the
seal cover (0090).
For pumps without positioning plate (0095) go to point 3.
Pumps with positioning plate (0095)
2. Place the positioning plate (0095) with O-ring (0182)
in the rotor case.
3. Position the seal cover with O-ring (0802) in the rotor
case and secure it with cap nuts (0540) on the stud bolts
(0550).
4. Put the shaft sleeves (0130) with the O-ring (0804) on
the shaft. Check the position of the lip seal (0890) in
the case of a flushing cover.
5. Check that the pins (0936) fit in the groove shaft sleeve.
4.7.5.5 Double mechanical seal
1. Position the drivers of the rotating parts on the shaft sleeve. Setting dimension (see
figure below with table).
2. Push the seal faces (0088) with O-rings (0083 and 0085) from both sides over the
shaft sleeve (0130) into the driver.
3. Place the stationary parts of the mechanical seal (0087) with O-ring (0086) into the
flushing cover (0101). Check that the O-ring (0086) does not come out on the
gearbox side.
4. Place both stationary parts (0080) with O-rings (0082) in seal cover (0090). Take care
not to damage the O-rings.
5. Put the sleeves with the O-rings (0804) and rotating part of the seal on the shafts.
6. Check that pins (0936) fit in the groove of the shaft sleeve.
7.
TL2/0074 and TL3/0234
Place the positioning plate (0095) with O-ring (0182) in the rotor case.
8. Position the seal cover with O-ring (0802) in the rotor case and secure it with cap
nuts (0540) on the stud bolts (0550).
TL4
When assembling the rotating part of the seal on the shaft sleeve, position the set screws
of the seal over the radial holes on the shaft sleeve. When replacing the shaft sleeve drill
radial holes 1 mm deep, Ø 5 mm through threaded holes in rotating part of the seal,
finally locking with the set screw, using Loctite 648.
Pump type
X [mm]
TL2/0074
30.2
TL3/0234
36.85
TL4/0535
71.9
TL4/2316
22.9
TL4/3497
22.9
Pump type
X [mm]
TL2/0234
22.6
TL2/0301
22.6
TL3/0677
28
TL3/0953
28
Above types do not have any
positioning plate (0095)