Leister WELDPLAST S4 Bedienungsanleitung
Leister WELDPLAST S4 / WELDPLAST EC4
Hand extruder
Please read operating instructions carefully before
use and keep for further reference.
GB
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
APPLICATION
WELDPLAST S4
WELDPLAST EC4
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. overheating of the material), especially near
combustible materials and explosive gases.
The tool must be operated under supervision. Heat can
reach combustible materials, which are out of sight.
For personal protection on building sites we strongly
recommend the tool to be connected to a RCCB (Resi-
dual Current Circuit Breaker).
The voltage rating stated on the name plate of the tool
must correspond to the mains voltage.
Danger of getting burned! Do not touch exposed metal
parts and escaping plastizised material. Do not point the
hot air flow and escaping plastizised material in the
direction of people or animals.
Protect tool from dampness and wet.
FI
120
230
WARNING
CAUTION
Connect the tool to a mains socket with protective earth.
Every interruption of the protective earth inside or outside
of the tool is dangerous!
Only use extension cables with protective earth!
‡
2
3
TECHNICAL DATA WELDPLAST S4 WELDPLAST EC4
Voltage V~ 230 230
Power consumption W 3680 3680
Frequency Hz 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. 260 max. 260
Welding output * Ø 3 kg/h PE 1.5–2.2 PP 1.4–1.9 PE 0.7–2.3 PP 0.5–2.0
Welding output * Ø 4 kg/h PE 2.2–3.8 PP 2.2–3.4 PE 1.1–3.7 PP 1.1–3.7
(*average values at 50 Hz)
Welding rod mm Ø 3 / Ø 4 ±0.2 (in accordance with DVS 2211)Ø 3 / Ø 4 ±0.2 (in accordance with DVS 2211)
Size L ×B ×Hmm560 ×110 ×300 (without welding shoe) 560 ×110 ×300 (without welding shoe)
Weight kg 8.7 (without cable to mains) 10.5 (without cable to mains)
Marking of conformity ¬¬
Approval mark ††
Certification scheme CCA CCA
Protection class I
‡‡
1
15
11
9
5
2
10
7
6
16
8
14
13
4
3
OPERATING Leister WELDPLAST S4 / EC4 hand extruder
1 Main switch
2 Motor on/off switch
3 Potentiometer
4 Locking device
5 Display
6 Handle
7 Jacket heating
8 Welding shoe
17 Welding program
18 Actual value plast
19 Set value plast
20 Actual value air
21 Set value air
22 Bar display
23 Welding output display
24 Menu key
25 Back key
26 Enter key
27 Down key
28 Select key
29 Up key
30 Status display
31 Cursor
9 Pre-heating nozzle
10 Tube clamp
11 Protective tube
12 Welding rod opening
13 Tool handle
14 Mains cable
15 Hand protection
16 Hot-air blower
Description of tool
4
24
27 28 29
30
31
17
18
19
20
21
22
23
25 26
Operating unit
12
OPERATING Leister WELDPLAST S4 / EC4 hand extruder
5
Working environment / safety
In the case of interruptions to welding
work, the drive motor can be swit-
ched off with the motor on/off switch
(2). Place the hand extruder with the
handle appropriately positioned and
tightened on a stable fireproof sur-
face as illustrated.
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.
Rest the hand extruder on a fireproof surface! Hot metal parts and the hot-air
jet must have sufficient clearance from the surface and walls.
Adjusting the handle
The clamp is loosened by turning the plastic handle
counter-clockwise and the handle can be positio-
ned in the ideal working position by sliding back or
forwards. The handle can also be rotated for
left/right handed users (see also Welding direction
left/right)
Workstation
For starting operation of the hand extruder and setting
it down, Leister offers a comfortable universal tool
stand with integrated hot-air hood and welding rod
dereeler holder (see Accessories).
OPERATING Leister WELDPLAST S4 / EC4 hand extruder
6
Power supply
When using an extension cable, take care to ensure the minimal cable cross-
section:
Extension cables must be approved for the working environment (e.g. out-
doors) 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.
Length
[m]
Minimum cross-section (at ~230V) [mm2]
Up to 19
2.5
20-50 4.0
The tool starts immediately by heating up to the target temperatures last set. A
counter in the status display then counts down the warm-up lock time of 220 sec. The
hand extruder reaches its operating temperature (READY* status) after approx. 8
minutes. On completion of the starting procedure the tool is ready to weld.
motor disabled
WARM-UP LOCK TIME:WELDPLAST S4 220 SEC.
WELDPLAST EC4 270 SEC.
HEAT FREE M READY *
Display
Status display (29)
Heating until target
value is reached
motor release ready to weld
Starting procedure
Temperature monitoring prevents the hand extruder starting up in a cold state.
OPERATING Leister WELDPLAST S4 / EC4 hand extruder
7
Operating window functions
Menu selection
Set contrast
Heating on/off
Change cursor position
Selected parameter [+]
Selected parameter [–]
Key functions
• Operating window
• Menu selection
Menu selection functions
Menu selection / return to operating window
Return as ESC (changes are not saved!)
Select and return to operating window
Select
Cursor up / selected parameter +
Cursor down / selected parameter –
The keys respond with gentle keystrokes.
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.
8
OPERATING Leister WELDPLAST S4 / EC4 hand extruder
Preparation for welding
Start window
After switching on the extruder, the
name of the tool and the current soft-
ware version are displayed for 3 sec.
Operating window
The operating window shows the para-
meters currently set.
24
27 28 29
30
31
17
18
19
20
21
22
23
25 26
9
OPERATING Leister WELDPLAST S4 / EC4 hand extruder
Setting the welding output
A variable welding output allows seam thickness and pre-heating times to be coordi-
nated.
Presetting on the display
• Set the cursor to the «SPEED» position by pressing the Select key (28).
• Define the maximum welding output value (30 to 100) with the Up (29) or Down
(27) keys
Fine tuning during the welding process
By turning the potentiometer (3), the welding output set can be reduced from the
maximum value (e.g. 85) to the minimum (displayed on the display bars (22).
The plastizised material throughput is also dependent on the welding rod thickness
used. If the welding output is too high with the output display “30” and the potentio-
meter is set to “minimum”, the next smallest welding rod thickness must be selected.
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).
3
OPERATING Leister WELDPLAST S4 / EC4 hand extruder
10
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.
Monitoring the welding parameters
The set and actual values of the AIR and PLAST
temperatures are continuously monitored. If the
actual value deviates from the respective set value
(value outside the tolerance band), this is indicated
on the status display (30) with a status change. If
necessary, the drive motor is temporarily disabled
until the welding parameters are once again within
the prescribed tolerance band. The possible status
displays and the tolerance bands may be seen in
the following graph and table.
30
No. Status display Status properties
1Ready * Ready to weld
2M enabled Deviation of the welding parameters > -10°C
3Heat
Deviation of the welding parameters > -30°C, drive motor disabled
4S4: 220s
EC4: 270s
Warm-up lock time of 220 sec., drive motor disabled
Warm-up lock time of 270 sec., drive motor disabled
5Too hot
Deviation of the welding parameters > +30°C, drive motor disabled
Andere Handbücher für WELDPLAST S4
1
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