BAK Thermoplastic Welding Technology LARON Version 2 User manual

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
1
Machine type : LARON Version 2
Date : 09.05.2008
Serial no. :
echnical Data :
Voltage VAC 230 400
Frequency Hz 50/60 50/60
Power consumption heating up
controlled operation
W
W
4600
1750
5700
2200
Drive m/min 0,5 – 7 stepless 0,5 – 7 stepless
Welding temperature °C 30 – 620 stepless 30 – 620 steplesss
Air flow % 60 – 100 60 – 100
Size LxWxH mm 610 x 410 x 320 610 x 410 x 320
Weight kg 35 35
We retain all copyrights of all descriptions, drawings and schedules contained in
these operating instructions which may not be reproduced nor be made accessible by
third parties or by competitors, neither in whole nor in part, unless we have expressly
consented thereto.
Before start-up these operating instructions must be examined carefully because we
will not assume any liability for any failures resulting from improper use. No warranty
claims will be accepted if the automatic welding machine has been modified unless
this has been done in consultation with the manufacturer / supplier.

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
2
The tool can be used for the applications mentioned in the
present operating instructions only !
These operating instructions should always be accessible
by the operator.
For after sales service and orders please contact:
BAK hermoplastic Welding echnology AG
Birkenweg 3
CH-6056 Kägiswil/Switzerland
elefon: (0041) 041 6612250
elefax: (0041) 041 6612251
Safety:
Pursuant to sec. 55 of VDE 0 100 (Regulations of the Association of German
Electrotechnical Engineers), the automatic welding machine must be operated using
a protective switch or an isolation transformer.
Protect the tool from wet and humidity!!!!
Operating the automatic welding machine is subject to applicable national
regulations.
Observe applicable regulations for the prevention of accidents as well as technical
rules for safe and professional operation.
Directive 92/ 57/ EWG dated June 24, 1992, shall be applicable by analogy.

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
3
Utilisation:
he Laron is an automatic welding machine for overlap welding to weld
geomembranes (geomembranes width 20mm or 40mm). he machine must only be
used to weld geomembranes (PE, PVC, PO, ECB, EPDM, CSPE and bitumen) at
the edge and uneven surfaces.
Automatic welding machines are manufactured according to the latest technology
and in compliance with safety requirements.
Any improper use may result in dangers for the operator or third parties or may
adversely affect machines and assets.
Only use the automatic welding machine if in technically perfect condition and for the
purposes for which they are intended while observing the operating instructions.
For the neglect or for damages resulting from it the manufacturer / supplier will not
accept any liability .
Any utilisation of the automatic welding machine, for other purposes than those for
which it is intended, is subject to the consent of the manufacturer / supplier.
Work on electrical parts of welding machine may only be performed by an electrical
engineer in compliance with electro-technical rules.
Indication of special risks:
All automatic welding machines may only be held and operated using the handles
provided for this purpose.
A risk of burning exists on all uncovered metal parts. Avoid contact with these parts
as they may achieve temperatures of up to 650°C.
Attention: Heat can reach combustible materials which are hidden.

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
4
Safety area:
he hot air stream of the automatic welding machine may not be directed to
temperature-sensitive objects or living things. Ensure that a safety distance of 2 m is
observed in all directions . Do not point the hot air stream onto the same position for
a long time.
Security:
Before connecting the tool to the mains, check the rated voltage.
he mains voltage must correspond to the rated voltage shown on the tool plate.
Pursuant to sec. 55 of VDE 0 100 the automatic welding machine must be operated
using a protective switch or an isolation transformer.
Do not use the automatic welding machine if the connecting line or the plug is
damaged, repairs have to be done by the manufacturer or authorised service
personnel.
Extension cords:
When using extension cords the minimum diameter of cables must be observed.
Extension cords must be approved and marked for their place of utilisation.

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
5
Stop operating the automatic welding machine if:
- connecting line or plug have been damaged
- safety installations have been damaged
- changes occur in the operating state
o separate the automatic welding machine from the electric system, change the
main switch to “OFF” und unplug the mains plug.
Never spray water on automatic welding machine
(risk of short circuit)
Never use the automatic welding machine in hazardous or
inflammable areas.
Do not leave the tool unobserved !!!
Attention: Let the automatic welding machine cool down
before packing.

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
6
Before operating the machine examine the tool adjustment.
Basic adjustement:
Proceed with adjustments only in cold condition (burn danger!).
Nozzle adjustment:
- Changes of the nozzle adjustments can be done if screws are loosen
- For recommended settings use the following sketch
2,5
42-45

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
7
Guide roller adjustment:
- Bring the automatic welding machine into the welding position.
- Push the transport roller to the right in welding position
take care that the spring sheet engages.
- push the guide roller downward and fix it with the hexagon nut on the
threaded bar.
Outside edge of the overlap, outside edge of pressure roll and
outside edge of guide roller must form a line.
(see following sketch).

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
8
Start up of the automatic welding machine
Observe the section concerning safety of these operating instructions.
Before connecting the tool to the mains supply please check that:
- he main switch is on Pos. 0 OFF
- Drive switch is on Pos. 0
- Heating switch is on Pos. 0
- Potentiometer of the air flow is on Pos. 0 (100%)
- he hot air blower is on Pos. stand by (lifted up)
- Put the plug is into the socket and put the main switch on pos. 01
Switch the heating switch on.
he tool now heats up to the last selected set temperature.
o change the set temperature check the section of the controller adjustment.
Controller adjustment:
Actual temperature
Upward button Downward button
Temperature unit
Set temperature

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
9
Select on the potentiometer the desired welding speed.
On switching position ON the drive starts immediately and is constantly running.
On switching position AU O the drive starts only after sliding the nozzle
into the welding seam and stops immediately after taking out the nozzle.

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
10
DV 070
DV 089
DV 085
DV 086
DV 084
DV 159
DV 088

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
11
DV 078 DV 033
DV 077
DV 076
DV 031
DV 175
DV 178 DV 123
DV 167DV 052
DV 045
DV 029 DV 068
DV 042
DV 037
DV 130
DV 129
DV 040
DV 022
DV 021
DV 069
DV 056
DV 160
DV 062DV 063DV 167
DV 098
DV 141
DV 057
D - 1079
DV 067
6600047
DV 183
6600048

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
12
DV 062DV 124 DV 063 DV 036
DV 042
DV 142
DV 143
DV 001DV 029DV 045
DV 128 DV 069
6600047
6600048
3
DV 023DV 013DV 042
DV 068
DV 136
DV 156
DV 029 DV 063
DV 137
DV 146 DV 045
DV 069
DV 080 DV 114 DV 146DV 138
DV 059
DV 012
DV 136
DV 014

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
13
DV 098
DV 103
DV 097
DV 104
DV 100
DV 101
DV 096
pos. verzahnt
neg. verzahnt
DV 157

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
14
Laron
Art. No. Description Art. No. Description
6600047 Eron 230V Laron 6601100 Main switch (DV088)
6600048 Eron 400V Laron 6601149 LCD Display (DV089)
D-1079 O-ring 19x3.5 DIN3771 6601150 Steering bar base plate (DV096)
6601111 Pressure spring (DV001) 6601151 Steering bar lower part (DV097)
6601112 Sprocket wheel Z13 (DV012) 6601152 Grip of steering bar (Dv098)
6601113 Sprocket wheel Z14 (DV013) DV100 Wing nut
6601114 Single roller chain (DV014) 6601153 Distance bushing (DV101)
6601118 Weight 1 (DV021) 6601155 Adjustable clamping lever (DV103)
6601119 Weight 2 (DV022) 6601156 Joint clamping link (DV104)
6601120 Chain tension adjuster (DV023) 6601157 Button scale (DV105)
6601121 Guide roller (DV029) 6601159 Power supply cord 230V (DV111)
6601122 Stop bolt with counter nut (DV031) 6601160 Power supply cord 400V (DV112)
6601123 -handle (DV033) 6601161 Sprocket wheel clamp (DV114)
6601125 Circlip RA9 (DV036) DV123 Countersunk screw, M6x16 DIN7991
6601126 Drag roller (DV037) 6601162 Cheese head screw, M6x20 (DV124)
6601127 Rocker drag roller (DV040) 6601164 Cheese head screw, M10x20 (DV128)
6601128 Drive pressure roller (DV042) 6601165 Cheese head screw, M12x35 (DV129)
6601129 Round belt roller (Dv045) 6601166 Cheese head screw, M12x70 (DV130)
6601133 Fixation block (DV052) 6601168 Countersunk screw M4x10 (DV136)
6601135 Bearing (DV056) 6601169 Disk A5,3 (DV137)
6601136 Shaft (DV057) 6601170 Disk A5,3 (DV138)
6601138 Gear sheet (DV059) 6601172 Support turbine housing Eron (DV141)
6601139 Guide handle block (DV062) 6601173 Disk B8,4 DIN9021 (DV142)
6601140 Guide rod (DV063) 6601174 Cheese head screw, M8x16, DIN 912 (DV143)
5107093 Rubber ring white (DV067) 6601175 Cheese head screw, M5x20 (DV146)
6601142 Silicon ring (DV068) DV156 Disk B 6.4 DIN 9021
6601143 Round belt (DV069 ) DV157 Hexagon bolt M8x50, DIN 933
6601103 Controller Laron (DV070) DV158 Housing Laron
6601144 Locking ring Eron(lower part) (DV076) DV159 Front plate Laron
6601145 Locking ring Eron(upper part) (DV077) DV160 Base plate
6601147 Chain lock (DV080) DV167 Planetary gear motor
6601148 Knob (Dv084) DV175 ransport roller V2A
DV085 Cam switch, 1-pole DV178 Cover transport roller
6601102 Cam switch, had-off-auto (DV086) DV183 Ground piece

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
15
ERON 230V/400V, Art. No.: 6600047/6600048
5101270 6600613
610759166006455107612
6107592
6600644
66006016100284
6600622
5108222
5101274 6113695
D - 2224 6600648
6600647
6600646
5112693 6100287 6600653
6600607
6600606
6600616
66006396600614
6600612
5107613

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
16
Spare parts list Eron 230V/400V, Art. No.: 6600047/6600048
Art. No. Description Qty.
5101270 Gasket 70x48x4 1
5101274 Mica tube 47.6x134 1
5107612 Heating element Laron 230V 1
5108222 Overlap welding nozzle 40mm 1
5112693 hermocouple 1
6100284 Countersunk screw M4x12 X 3
6100287 Hexagon nut M5 1
6107591 urbine 1
6107592 urbine 1
6113695 Clixon 135°C 1
6600601 Air filter 1
6600606 Motor 230V SL 1
6600607 Carbon 2
6600612 Rubber ring 1
6600613 urbine housing lower 1
6600614 Stripper 1
6600616 Countersunk screw M3x10 X 6
6600622 Fillister head screwM4x10 X 6
6600639 Handle 1
6600644 erminal support 1
6600645 urbine housing upper, with hole ¼” 1
6600646 Elbow 1
6600647 cable sleeve 290mm 1
6600648 Hose coupling straight 1
6600653 Electronic circuit board 230V/400V 1
D-2224 Plastic hexagon nut PG16 2

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
17
PE 1 2 3 4 5 6 7 8 9 11 12 PE10
Zuleitung L1
Zuleitung N
emp. Regler Kl.1
emp. Regler Kl. 2
Heizpatrone Heizpatrone
Heizpatrone
Lufterhitzer Motor Lufterhitzer Motor
X1
ransformator
Klemmenbelegung X1
22.03.2007
Lufterhitzer
Änderung
Dohle GmbH
Eitorfer Str. 1
D - 53809 Ruppichteroth
el. +49 2295 - 902960 Fax. +49 2295 - 902961
Stromlaufplan
230V
Detail: Zeichnungsnummer:
Blatt:
1 von 1
Erst. d.
Urspr.
Datum:
Bearb.
Gepr.
Norm.
Di Martino
Bauer
Datum
Name
123 4 5678
123 4 5678
A
B
C D E
F
A
B
C D E
F
0 230 400 0 24 0 230
Primär Sekundär
Relais
L1
1
A1 +
A2 -
Schwarz
schwarz
blau
schwarz
SPEED
Lufterhitzer
orange
gelb / schwarz
gelb
minimum 60% = 137 V Drehzahleinstellung
Hauptschalter
1 2
L1 L2
13 14
X2
15
16
X2
rot
rot / schwarz
Laron 1.0
PE L1
N
Zuleitung 3 x 2,5
Spannung 230V
Stecker 2 pol. 16 A
Anschluss an
PE, L1, N
Motor
Elektronic
grau
grau
schwarz 2,5 qmm
schwarz 2,5 qmm
schwarz 2,5 qmm
schwarz 2,5 qmm
2,5 qmm
schwarz
schwarz 1,5 qmm
schwarz 1,5 qmm
schwarz 1,5 qmm
schwarz 1,5 qmm
orange
44
X2

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
18
PE 1 2 3 4 5 6 7 8 9 11 12 PE10
Zuleitung L1 Zuleitung L2
emp. Regler Kl.1
emp. Regler Kl. 2
Heizpatrone Heizpatrone
Heizpatrone
Lufterhitzer Motor Lufterhitzer Motor
X1
ransformator
Klemmenbelegung X1
22.03.2007
Lufterhitzer
Änderung
Dohle GmbH
Eitorfer Str. 1
D - 53809 Ruppichteroth
el. +49 2295 - 902960 Fax. +49 2295 - 902961
Stromlaufplan
400V
Detail:
Zeichnungsnummer:
Blatt:
1 von 1
Erst. d.
Urspr.
Datum:
Bearb.
Gepr.
Norm.
Di Martino
Bauer
Datum
Name
123 4 5678
123 4 5678
A
B
C D E
F
A
B
C D E
F
0 230 400 0 24 0 230
Primär Sekundär
Relais
L1
1
A1 +
A2 -
Schwarz
schwarz
blau
schwarz
SPEED
Lufterhitzer
orange
gelb / schwarz
gelb
minimum 60% = 137 V Drehzahleinstellung
Hauptschalter
1 2
L1 L2
13 14
X2
15
16
X2
rot
rot / schwarz
Laron 1.0
PE L1
L2
Zuleitung 3 x 2,5
Spannung 400V
Stecker CEE 5 pol. 16 A
Anschluss an
PE, L1, L2
Motor
Elektronic
grau
grau
schwarz 2,5 qmm
schwarz 2,5 qmm
schwarz 2,5 qmm
schwarz 2,5 qmm
2,5 qmm
schwarz
schwarz 1,5 qmm
schwarz 1,5 qmm
schwarz 1,5 qmm
schwarz 1,5 qmm
44
X2
orange

Operating instructions
Automatic welding machine Laron
BAK Thermoplastic Welding Technology
19
PE 1 2 3 4 5 6 7 8 9 10 11 12 13 13 14 14 15 16 17 18 19 20 21 22 23 24 25 PE
hermoelement +
hermoelement -
Klemmenbelegung X2
11.04.2007
X2
No Connect
No Connect
No Connect
1 schwarz an rot +
2 schwarz an schwarz -
5 schwarz an blau
3 schwarz an rosa
4 schwarz an lila
schwarz / weiss
grün
weiss
gelb
gelb / schwarz
rot A1+
rot/schwarz A2 -
schwarz
braun
blau
orange / gelb Kl.3
orange / gelb Kl.4
orange Kl.1
orange Kl.2
rot/schwarz Schalter Kl.1
rot Regler Kl 3
rot/weiss Kl. 9 +
weiss Kl. 8 -
rot
schwarz
gelb
rosa
lila
schwarz / weiss
grün
weiss
schwarz
braun
blau
orange/gelb
orange/gelb
orange
orange
gelb Schwarz
gelb
Speed
Lufterhitzer
612
X1
schwarz
schwarz
orange
Regler Kl.4
rot/schwarz
Motor
Elektronik Steuerung
Änderung
Dohle GmbH
Eitorfer Str. 1
D - 53809 Ruppichteroth
el. +49 2295 - 902960 Fax. +49 2295 - 902961
Stromlaufplan
Detail:
Zeichnungsnummer:
Blatt:
1 von 1
Erst. d.
Urspr.
Datum:
Bearb.
Gepr.
Norm.
Di Martino
Bauer
Datum
Name
123 4 5678
123 4 5678
A
B
C D E
F
A
B
C D
E
F
Laron
X2 1.1
Potenziometer
Antrieb
Potenziometer
Lufterhitzer
Relais Sensor Schalter
Hand / Automatik
Schalter Heizung
Regler
1 2
LCD
Display
blau / weiss
rot / schwarz
grün / weiss
grün / schwarz
orange