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OPERATING INSTRUCTIONS
GB
Leister WELDPLAST S4 / WELDPLAST EC4
Hand extruder
Please read operating instructions carefully before
use and keep for further reference.
APPLICATION
Welding PE and PP thermoplastics for applications in
• container engineering
• plastic fabrication
• pipeline construction
• landfill sites
WELDPLAST S4
Leister Process Technologies, Riedstrasse, CH-6060 Sarnen / Switzerland
Tel. + 41 41 662 74 74 Fax + 41 41 662 74 16
WELDPLAST EC4
www.leister.com
sales@leister.com
®
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Summary of Contents for Leister WELDPLAST S4
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Page 1: Operating Instructions
• container engineering • plastic fabrication • pipeline construction • landfill sites WELDPLAST S4 WELDPLAST EC4 Leister Process Technologies, Riedstrasse, CH-6060 Sarnen / Switzerland www.leister.com sales@leister.com Tel. + 41 41 662 74 74 Fax + 41 41 662 74 16... - Page 2 WARNING Danger to life! Danger to life when opening up the tool, as live compo- nents and connections are exposed. Before opening the tool, unplug from the mains supply. Electrically conducting material (e.g. PE-EL) must not be welded. Fire and explosion hazard with incorrect use of the hand extruder (e.g.
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Page 3: Technical Data
TECHNICAL DATA WELDPLAST S4 WELDPLAST EC4 Voltage Power consumption 3680 3680 Frequency 50/60 50/60 Air flow (20°C) l/min approx. 400 with no. 2 nozzle approx. 400 with no. 2 nozzle Air temperature °C max. 350 max. 350 Plasticizer temperature °C max. - Page 4 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Description of tool 1 Main switch 9 Pre-heating nozzle 2 Motor on/off switch 10 Tube clamp 3 Potentiometer 11 Protective tube 4 Locking device 12 Welding rod opening 5 Display 13 Tool handle...
- Page 5 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Working environment / safety The hand extruder must not be used in inflammable environments or where explosion hazards exist. Ensure stable positioning during operation. The connection cable and the welding rod must remain unimpeded and must not hinder the user or others during operation.
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Page 6: Power Supply
OPERATING Leister WELDPLAST S4 / EC4 hand extruder Power supply When using an extension cable, take care to ensure the minimal cable cross- section: Length Minimum cross-section (at ~230V) [mm Up to 19 20-50 Extension cables must be approved for the working environment (e.g. out- doors) and labelled accordingly. -
Page 7: Key Functions
OPERATING Leister WELDPLAST S4 / EC4 hand extruder Software and menu navigation The Weldplast hand extruder comes equipped with comfortable operating soft- ware, which simplifies operation for the user and makes it easier to handle the extruder. Key functions The keys respond with gentle keystrokes. - Page 8 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Preparation for welding Start window Operating window After switching on the extruder, the The operating window shows the para- name of the tool and the current soft- meters currently set. ware version are displayed for 3 sec.
- Page 9 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Setting parameters in the operating window The cursor (31) shows which parameters can be set. After switching on, the cursor is on the «SPEED» position. In the operating window, the following parameters can be selected with the Select key (28) and changed in their values with the Up (29) and Down keys (27).
- Page 10 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Setting the PLAST and AIR temperatures • Set the cursor to the «PLAST» or «AIR» position by pressing the Select key (28). • Set the temperature value with the Up (29) or Down (27) keys.
- Page 11 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Starting the welding process Welding work should comply with German Welding Association (DVS) guidelines. • Fit the appropriate welding shoe (8) as required. • Set the potentiometer (3) to max. • Once the operating temperature is reached («READY*» status), welding can begin.
- Page 12 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Further settings Contrast setting Given unfavourable lighting conditions and fluctuations in the ambient tempera- ture, the contrast on the display can be set in the operating window with the back key (25).
- Page 13 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Menu navigation Menu Menu Scroll Select Functions Scroll Select and return Return to operating window Scroll...
- Page 14 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Welding parameters – Programming Free Menu setting Select program Scroll Enter The hand extruder is suitable for the following types of thermoplastic: • PP / PE-HD / PE-LD Programs 1 – 3 include the relevant preset values, which can be adjusted during the course of the welding process.
- Page 15 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Replacing the welding shoe • The welding shoe must only be replaced when the tool has attained its operating temperature. Work with temperature resistant gloves only. Danger of getting burned! • Switch off the tool at its operating temperature and disconnect it from the mains supply.
- Page 16 OPERATING Leister WELDPLAST S4 / EC4 hand extruder Pre-heating nozzles There are three different pre-heating nozzles (9) available according to the requi- red welding seam width. The nozzle cross-sections comply with DVS guidelines. Nozzle 1 Nozzle 2 Nozzle 3 Seam widht...
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Page 17: Error Messages
ERROR Leister WELDPLAST S4 / EC4 hand extruder Error messages Err04 An error occurring is shown in the status display (29) (e.g Motor is overheated). ErrXX Display When an error occurs, the heating units for AIR and PLAST, as well as the drive motor,... - Page 18 ACCESSORIES Leister WELDPLAST S4 / EC4 hand extruder Only Leister accessories may be used. The universal tool stand can be used for the following extruder lines: – Fusion 3 – Weldplast 4 – Weldplast 6 • The hood (37) is swivelled upwards for pre-heating the welding shoe.
- Page 19 WELDING SHOE RANGE Leister WELDPLAST S4 / EC4 hand extruder The Leister range Leister offers welding shoes for all the common seam geometries in various sizes: Blank V weld Fillet weld Overlap weld...
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Page 20: Maintenance
SERVICE AND REPAIR • Repairs should only be carried out by authorized Leister Service Centres. They guarantee a specialised and reliable Repair Service within 24 hours using origi- nal spare parts in accordance with the circuit diagram and spare parts list.
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