Figure 3
EXPLODED VIEW – RB80
DIAPHRAGM REPLACEMENT
1. Unplug the pump and/or disconnect from the power supply
before cleaning & servicing.
2. The diaphragm should be inspected every 3 months by a
qualified technician.
3. It must be replaced by a qualified technician every 6 to 12 months
or as soon as it is worn or cracked, to avoid damage to the pump.
This damage is not covered by warranty.
4. Loosen the four screws around the aluminium upper housing,
and take the housing off. (As shown in figure 2)
5. Loosen the four screws around the coil cover, and take the cover off.
(As shown in figure 3)
6. Loosen the four screws and disassemble the diaphragm housing.
7. Loosen the u-nut in the centre of diaphragm.
8. Take the diaphragm off the mount.
9. Replace with a new diaphragm by mounting the rubber studs into their position.
10. Press the rim of the diaphragm into the ring.
11. Secure the magnet with a new u-nut and screw and put the diaphragm housing back with the four screws on.
12. Put the coil cover back with the four screws on.
13. Put on the aluminium upper housing and secure the four screws firmly.
Figure 2