Dohle ExOn8 DX318, Operating Instructions Manual

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Operating Instructions
Industrial Extruder DX318 ExOn8 3x400V
Extrusionstechnik GmbH 25
Changing the welding filler
Heat up the hand-held welding and extruding machine until operating temperature is reached
to ensure that no welding filler is present in the machine, remove the weld shoe and
exchange the die (caution, left-handed thread) by a new one or by a die used with the
material to be applied now.
Caution: Risk of burning when working on the heated machine
After removing the old die and before placing the new one run the machine for approx. 1 min.
on new
Welding filler.
Interruption of welding operations
Never leave the hand-held welding and extruding machine unattended.
Air supply may not be broken.
Caution: When processing PVC or PVDF, hand-held welding and extruding machines may
not be stopped for more than 3 min.
In such a case or if welding operations are completed a cleaning run must be performed on
the machine for about 2 min. using PE or PP welding filler.
Switching-off the hand-held welding and extruding machine
Place hand-held welding and extruding machine onto the support stand included in the
scope of supply.
Put the On/Off switch into OFF position and pull the plug after about 2 min.
Caution: Even after 15 minutes there is still a risk of burning present on uncovered
metal parts.
Never use water or other substances to speed up the cooling process.
Maintenance
Always disconnect the machine from power supply before performing any maintenance work.
Maintenance work may only be performed by skilled electricians.
Observe section on safety contained in these operating instructions!
Inspection
After an operating time of about 500 hours the hand-held welding and extruding machine and
the drive unit must be cleaned, re-filled with new grease and tested.
This work may only be performed by skilled electricians.
Drive unit
Check carbon brushes of the drive unit approximately every 100 operating hours and replace
them, if necessary.
Thrust bearing / extrusion worm
It is recommended to clean thrust bearing and extrusion worm and to re-grease the bearing
approximately every 200 operating hours.