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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 switches off automatically
during idling stops during cutting
Saw chain jams as the machine is
advanced
Saw chain is running out or
increased effort necessary during
advancing
Chip ejection blocked
Saw chain is coasting a long time
after it has been switched off
8
Optional accessories
- Guide rail 260
Fine-cut saw chain - HM 260
-
Fine-cut saw chain 260
-
Driving star wheel
-
Splitting wedge 260
-
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
Mains fuse defective
Carbon brushes worn
Mains failure
Machine overloaded
Feed rate too fast
Blunt saw chain
Blunt saw chain
Wood is too damp
Automatic chain brake defective
-32-
Elimination
Check power supply
Replace fuse
Take the machine to a MAFELL
customer service shop
Check pre-fuse
Reduce feed speed
Reduce feed speed
Release the switch immediately.
Remove machine from the
workpiece and replace saw chain
or have it reground at the MAFELL
customer service shop
Only concerns item - No. 006955
Before regrinding, mind the
minimum height of the saw chain –
see Fig. 10.
Only concerns item - No. 006968
and 006972
Before regrinding, mind the
minimum length of the carbide
teeth see Fig. 11
Replace saw chain or have it
reground at the MAFELL customer
service shop
Take the machine to a MAFELL
customer service shop
Order No. 204581
Order No. 006968
Order No. 006955
Order No. 204584
Order No. 204586
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