8
EWL 5831
A 8 Taking care of the unit
A 8.1 Maintenance
No special maintenance is necessary, apart from the procedures described in section 2.1
A 8.2 Troubleshooting
Problem
Possible cause
Possible remedy
Water spraying out of the cut-out
Water volume is set too high
Reduce the pressure at the faucet
(see section A 5.2 Water control)
Drainage hose has been extended
Ensure that the hose diameter is 1“ (25.4 mm)
with a thinner hose
Drainage hose is kinked
Make sure there are no kinks in the hose
End of the drainage hose submerged
Ensure that the end of the hose is above the
under water in plaster trap
surface of the water
The gradient of the drainage hose is
Check that the drop is at least 1 cm per metre
too shallow
The drainage hose curve is too sharp
Make sure the hose lies as straight as possible
The hose is fitted with a pipe elbow
Curve of the elbow must be at least 40 mm
A 8.3 Reconditioning the trimming disc
After a period of time, if the trimming-disc surface becomes smooth or ridges appear, it is possible to smooth out the ridges or roughen up
the surface by means of a dressing tool.
When using a dressing tool, the Instructions for Use and Safety Information must be strictly adhered to.
A 8.4 Replacement trimming discs
• Replacement discs from KaVo EWL are supplied with a tool for removing the old disc, and a tube of grease for sealing the disc
compartment.
• Never fit replacement discs on an already-installed disc, irrespective of origin or type.
• Using diamond trimming discs for trimming of investment materials and metals leads to extreme wear and tear of the disc.
• In such cases,
KaVo EWL undertakes no liability.
• When replacing a disc, the supplied instructions for changing must be followed.
