Dohle ExOn7 Manual de Instruções - Página 7

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Operating Instructions

Industrial Extruder DX315 ExOn7 3x400V

DOHLE

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.

DOHLE Extrusionstechnik GmbH