Service And Maintenance; Machine; Cutter; Storage - Mafell LNF 20 Manual De Instrucciones

6

Service and maintenance

Danger
Pull the power plug during all
service work.
MAFELL machines are designed to be low in
maintenance.

6.1 Machine

The machine must be regularly cleaned off deposited
dust. The ventilation openings on the motor should be
cleaned with a vacuum cleaner.
The ball bearings used are greased for life. When the
machine has been in operation for a longer period of
time, we recommend to hand the machine in at an
authorised MAFELL customer service shop for
inspection.
Only use our special grease, order No. 049040 (1 kg
tin) for all greasing points.
7

Troubleshooting

Some of the most frequent defects and their causes are listed in the following chart. In case of other defects,
contact your dealer or the MAFELL customer service.
Defect
Machine cannot be switched on
Machine stops while cutting is in
process
Cutter jams as the machine is
advanced
Burn marks on the cut surfaces
Chip ejection blocked
Danger
Determining the causes for existing defects and eliminating these always
requires increased attention and caution. Pull the mains plug beforehand!
Cause
No mains voltage
Carbon brushes worn
Mains failure
Blunt milling cutter
Milling cutter that is unsuitable for
the operating sequence or blunt
Wood is too damp
Extended operation
extraction
-19-

6.2 Cutter

The cutters used on the machine must be freed from
resin regularly as clean tools improve the cutting
quality.
For cleaning, only acid-free but not highly alkaline
cleaning agents may be used.
Deresinification is carried out by soaking the cutters
for 24 hours in paraffin or commercially available
resin remover.

6.3 Storage

If the machine is out of service for a lengthy period of
time, it should be thoroughly cleaned (see chapter
5.1). Spray bright metal panels with a rust inhibitor.
Store the machine only in dry rooms and protect it
from the effects of weather.
Elimination
Check power supply
Take the machine to a MAFELL
customer service shop
Check mains back-up fuses
Switch off the machine
immediately. Remove the machine
from the workpiece and replace the
cutter
Replace cutter
Connect to an external extraction,
without
e.g. portable dust extractor