Assemble The Device - Burkert 8071 Manuel D'utilisation

9.5.

Assemble the device

Put the magnetized rotor on the same side as the groove
(see Fig. 8 and table below).
→
Put the rotors inside the housing, at 90° (see Fig. 8).
groove
Fig. 8: Position of the oval rotors
Flow rate range Magnetized oval rotor
0.5-50 l/h hole of the magnet seat is visible (set towards
the cover)
• 0.5-50 l/h hole of the magnet seat is not visible (set
towards the bottom of the housing)
• 2-100 l/h
• 15-500 l/h
→
Set the radius of curvature present on the periphery of the oval
rotors towards the bottom of the rotor housing (see Fig. 9).
18
Magnetized oval rotor
Neutral oval rotor (without magnet)
English
Type 8071
Maintenanceandtroubleshooting
A
right angle
Fig. 9: Cross-section of an oval rotor
→
Make sure that the magnet is in place by using a detector.
→
Make sure that the rotors freely turn by turning them slowly with
the finger.
→
Put the seal (mark 3 Fig. 7) in its groove.
→
Put the cover (mark 4 Fig. 7) on the housing, aligning the groove
on the cover with the one of the housing.
→
Tighten the 4 screws (mark 5 Fig. 7), carefully to avoid damages
to the housing, and in an alternating pattern at the following
torque:
- 1 Nm for a PPS housing
- 2 Nm for an aluminium housing
- 9 Nm for a stainless steel housing
A
round-off
A-A