Leister FUSION 3 Manuel utilisateur

Leister FUSION 3

Hand-Extruder

Please read operating instructions carefully before

use and keep for further reference.

OPERATING INSTRUCTIONS

Leister Process Technologies, Riedstrasse, CH-6060 Sarnen/Switzerland

Tel. + 41 41 662 74 74 Fax +41 41 662 74 16

www.leister.com [email protected]

Welding PE and PP thermoplastics for applications in

• container engineering

• plastic fabrication

• pipeline construction

• landfill sites and abandoned polluted areas

APPLICATION

DANGER! Danger when opening up the tool, as live com-

ponents and connections are exposed. Therefore, before

opening the tool, unplug it to ensure disconnection from

the mains.

Incorrect use of the hand extruder (e.g. overheating of the

material) can present a fire and explosion hazard, espe-

cially near combustible materials and explosive gases.

The tool must be operated with supervision. Heat can

reach combustible materials, which are out of sight.

For personal protection on building sites we strongly recom-

mend the tool be connected to a RCCB (Residual Current

Circuit Breaker) .

The voltage rating stated on the name plate of the tool

must correspond to the mains voltage and frequency.

Danger of getting burned! Do not touch exposed hot metal

parts and escaping plastizised material. Let the tool cool

down. Do not point the hot air flow and the escaping

plastizised material in the direction of people or animals.

Protect tool from dampness and wet.

120

230

WARNING

CAUTION

TECHNICAL DATA

Voltage V~ 230

Power consumption W 3500

Frequency Hz 50/60

Air flow (20°C) l/min ca. 300

Air temperature °C max. 350

Plasticizer temperature °C max. 280

Welding output kg/h ø 3 PE 1.6 - 2.3 ø 3 PP 1.3 - 2.0

(Average values at 50 Hz) ø 4 PE 2.0 - 3.5 ø 4 PP 1.5 - 2.7

Welding rod mm ø 3 / ø 4 ± 0.2 (in accordance with DVS 2211)

Size L × W × Hmm670 ×90 ×180 (without welding shoe)

Weight kg 7.2 with 3m cable

Mark of conformity ¬

Mark of approval †

Certification scheme CCA

Protection class II ¶

Line/mains voltage cannot be switched over

OPERATING Leister FUSION 3

Description of tool

FUSION 3 General view

FUSION 3 / Tool rest

1. Hot air blower switch

2. Air temperature potentiometer

3. Locking device

4. Drive on/off switch

5. Welding shoe

6. Welding rod opening

7. Extrusion rate regulation potentiometer

8. Tool rest

9. Handle

10. Tool handle

11. Drive unit

12. Hot air blower

13. Mains cable

14. Air slide

Preparation for welding

• The tool rest (8) or handle (9) can alternatively be mounted left of right of the tool.

• When using an extension cable, take care to ensure the minimum cable cross-

section:

OPERATING Leister FUSION 3

Length Minimum cross-section (at ~230V)

Extension cables must be approved for the place of work (e.g. outdoors) and

labelled accordingly.

• If a generator is used to supply electricity, the rated power of the generator must

be 2x the rated power of the hand extruder

The hand extruder must not be operated in inflammable environments or

where explosion hazards exist. Ensure stable positioning during operation.

The connecting cable and the welding rod must remain unimpeded and

must not hinder the user or others during operation.

Switching on

• Connect the hand extruder to the mains supply.

• Switch on the tool at the hot air blower switch (1).

• Adjust the hot air temperature at the air temperature potentiometer (2).

• The operating temperature is reached after approximately 10 minutes.

Starting protection

The tool is equipped with current overload protection. The drive switches off auto-

matically if current consumption is too high. The drive can for example not be star-

ted, or only for a brief time, if the material in the screw is insufficiently plastizised.

Overheating protection

If the drive overheats as a result of external influences or if the melting temperature

of the material in the screw is too low, the internal temperature protection switches

off the drive. The overheating protection switches on again automatically once the

drive has cooled down.

[m] [mm2]

2.5

4.0

20-50

up to 19

OPERATING Leister FUSION 3

Starting the welding process

• Fit the required welding shoe (5) according to the paragraph "Change of welding

shoe”.

• Welding can begin once the operating temperature has been attained. Operate

the drive on/off switch (4) for this purpose. Operate the tool only when feeding

welding rod.

• Feed welding rod of 3 or 4 mm diameter into the welding rod opening (6) and

allow a small amount plastizised material to escape.

CAUTION! Never feed welding rod into both welding rod openings at the

same time! (see "Starting protection").

• The extrusion rate can be changed using the extrusion rate regulation potentio-

meter (7) dependent on the seam geometry and the choice of material.

• Interrupt material extrusion using the drive on/off switch (4).

• Direct the pre-heating nozzle (14) to the welding zone.

• Pre-warm the welding zone with back and forth movements.

• Position the tool on the prepared welding zone and operate the drive on/off

switch (4).

• Carry out test welding and analyse.

• Set temperature with potentiometer (2) or air slide. Adjust extrusion quantity as

required.

• In case of a prolonged welding process, the drive on/off switch (4) can be held in

the active state with the locking device (3).

• The welding rod is pulled in through the welding rod opening (6) automatically

after starting. The welding rod pull - in must not be impeded.

Switching off

• Release the locking device (3) by briefly pressing the drive on/off switch (4) and

then letting go. Remove welding material from the welding shoe in order to avoid

damage on the welding shoe when starting the next time.

• The tool must only be laid down on the tool rest (see pg. 3, "FUSION 3 / Tool rest").

Use a fireproof base. The hot air jet must not be directed towards persons

and objects.

• Adjust the air temperature potentiometer (2) to "0". Let the tool cool down for a few

minutes.

• Switch off at the hot air blower switch (1).

Checking the temperature of the extruded material and the pre-heating

temperature

• The temperatures of the extruded material and the hot air jet are to be checked

at regular intervals when carrying out welding work over an extended period.

• Fast display electronic temperature measuring devices with the appropriate

temperature probes have to be used. The highest temperature in the hot air jet

between the nozzle outlet plane and a depth of 5 mm is to be determined. The

measurement probe must be inserted in the welding shoe in the middle of the

extruded material to measure its temperature.

OPERATING Leister FUSION 3

Change of welding shoe

• The welding shoe must only be changed when the tool has attained its operating

temperature. Work with temperature resistant gloves only.

Danger of getting burned!

• Switch off the hot tool and disconnect it from the mains supply.

•Remove the welding shoe holder (15) by loosening the set screws for the welding

shoe holder (16) from the extruder nozzle (17).

• Clean the extruder nozzle (17) each time the welding shoe is replaced and remove

any welding deposits.

• Attach an appropriate welding shoe holder (15).

• The pointing of the welding shoe (5) (tool angle to the welding seam) can be

chosen freely.

• The welding shoe (5) can be taken off the welding shoe holder (15) by loosening

the set screws for the welding shoe (18) (e.g. for reworking).

5. Welding shoe

15. Welding shoe holder

16. Set screw for welding

shoe holder

17. Extruder nozzle

18. Set screw for welding

shoe

19. Pre - heating nozzle

Detail welding shoe

BA FUSION 3 / 11/2004

• Only Leister accessories must be used.

• In case of soiling clean the air inlet on the hot air blower with a brush.

• Clean the extruder nozzle (17) each time the welding shoe is replaced and

remove any welding deposits.

• Check power supply cord (1) and plug for electrical and mechanical damage.

• At minimal length of the carbon brushes the motor switches off automatically.

The tool should be checked by your Service Centre.

The carbon brushes will last approx. 1000 hours running time.

• Have the condition of the carbon brushes checked by your Service Centre after

approx. 200 hours of running time.

• Repairs should only be carried out by authorized Leister Service Centres. They

guarantee a specialised and reliable Repair Service within 24 hours using original

spare parts in accordance with the circuit diagram and spare parts list.

• Guarantee and liability are in accordance with the guarantee certificate as well

as with the currently valid general conditions of business and terms of delivery.

• Leister Process Technologies rejects any guarantee claims for tools which are not in

their original condition. The tools must never be altered or changed.

Technical data and specifications are subject to change without prior notice.

Your authorized Service Centre is:

GUARANTEE AND LIABILITY

SERVICE AND REPAIRS

MAINTENANCE

ACCESSORIES

Leister Process Technologies, Riedstrasse, CH-6060 Sarnen/Switzerland

Tel. + 41 41 662 74 74 Fax +41 41 662 74 16

www.leister.com [email protected]

Service Record Leister FUSION 3

This document should be kept up to date during repair or servicing by the

authorized Leister Service Centre. This document should be in the possession of

the owner of the equipment.

Technical data

Order No.

Serial No.

Rated voltage V

Rated capacity W

Sale date

Service

1. Date Service Centre Signature

2. Date Service Centre Signature

3. Date Service Centre Signature

4. Date Service Centre Signature

5. Date Service Centre Signature

6. Date Service Centre Signature

Repair

1. Date Service Centre Signature

2. Date Service Centre Signature

3. Date Service Centre Signature

Leister Process Technologies, Riedstrasse, CH-6060 Sarnen/Switzerland

Tel. + 41 41 662 74 74 Fax +41 41 662 74 16

www.leister.com [email protected]



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