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LST-GM1 Switching Steps

LST-GM1

EN

LESITE

4、Turn on the motor switch (26), and turn the speed knobs (24) (25) to set the required 

welding speed

(the LCD screen displays as shown in Drawing 3.), then insert the membrane layers after 

placing the machine

5、Put down the pressure handle(1) ,the machine starts to move and weld

6、Keep observing the welding trail and the position of the upper layer and lower layer at 

any time to adjust in case of deviation

7、After finishing welding, lift up the pressure handle (1),move the machine away from the 

welding position

8、Turn off the motor switch(26),press the temperature rise knob (22)and the 

temperature drop knob at the same time(23)(As shown in drawing 4),or turn the 

temprature drop knob to “OFF”,the hot wedge will stop heating

9、Turn off the power switch

Current Temperature

Current Temperature

Preset Temperature

Current Speed

Drawing 1

Drawing 2

Drawing 3

Drawing 4

Preset Speed

Current Speed

Preset Speed

Current Temperature

Preset Temperature

Current Speed

Preset Speed

Current Temperature

Current Speed

Preset Speed

1、Connect the power supply, lift up the pressure handle (1) and the pressure roller (5)

to separate automatically

2、Turn on the power switch (21), the LCD screen displays as shown in drawing 1 While

the hot wedge has not started to heat up

3、Turn the temperature rise knob (22) so the LCD screen displays as shown in drawing 2 

While the hot wedge starts to heat until the actual temperature is equal to the preset 

temperature

Summary of Contents for LST-GM1

Page 1: ...Lesite Technology LST GM1 Hot Wedge Welder Manual LESITE ...

Page 2: ...when used incorrectly especially when it is close to combustible materials or explosive gas Please do not touch the hot wedge during welding work or when the welding machine has not completely cooled down so as not to burn The power supply voltage must match the rated voltage marked on the welding machine and be reliably grounded Connect the welding machine to a socket with a protective ground con...

Page 3: ...p Width Seam Width Seam Strength Net Weight Membrane Laying Ways Digital Display Certificate Warranty 230 V 120 V 50 60 Hz 1400 W 0 5 6 0 m min 50 450 100 1000 N 0 2 mm 2 0 mm Single Layer 12 cm 15 mm 2 Interior Cavity 15mm 85 Material 9 0 Kg Membrane laying way by one edge against the other edge Temp Speed Display CE 1 Year LST GM1 EN LESITE ...

Page 4: ...LST GM1 Main Parts LST GM1 EN LESITE 1 Pressure Handle 2 Operation Handle 3 Control Box 4 Hot Wedge 5 Pressure Roller 6 Swing Head 7 Pressure Adjustment 1 3 4 6 7 5 2 ...

Page 5: ... Parts LST GM1 EN LESITE 8 9 10 11 12 13 14 15 16 8 Guide Sliding Block 9 Wedge Position Screw 10 Guide Rail 11 Upper Frame 12 Front Wheel 13 Bottom Frame 14 Bottom Guide Roller 15 Rear Wheel 16 Guide Roller Guard ...

Page 6: ...reen will display the preset speed and the current actual speed 3 Motor is on Press the motor moves This machine has a parameter storage memory function that the welding machine will automatically use the last parameters without resetting the parameters when the machine is turned on next time LST GM1 Control Panel LST GM1 EN LESITE 21 22 23 24 25 26 20 19 18 17 17 Motor Fuse 18 Welding Speed Displ...

Page 7: ...rop knob at the same time 23 As shown in drawing 4 or turn the temprature drop knob to OFF the hot wedge will stop heating 9 Turn off the power switch Current Temperature Current Temperature Preset Temperature Current Speed Drawing 1 Drawing 2 Drawing 3 Drawing 4 Preset Speed Current Speed Preset Speed Current Temperature Preset Temperature Current Speed Preset Speed Current Temperature Current Sp...

Page 8: ...n Replace the drive board fuse Replace the speed knob Speed knob doesn t work Sensor can t detect the data Drive board doesn t work Replace the drive board Replace the photo sensor board and sensor wire Hot wedge doesn t heat Replace the heating tubes Heating tubes do not work Hot wedge doesn t work Drive board doesn t work Replace the drive board Replace the hot wedge Replace the drive board Driv...

Page 9: ...ngly Connect correctly Shows on display Mosaicgarbled Press two buttons at the same time so that it heats Stop heating Change the display screen or board Display screen or board doesn t work Shows on diplay thermoc ouple ERR Shows on diplay CT 016 ST Pause No thermocouple Check whether the thermocouple wire in the display board is off Replace the thermocouple Thermocouple burned Causes Solutions ...

Page 10: ...LST GM1 Nameplate Maintenance LST GM1 EN LESITE Do clean the hot wedge and pressure rollers after welding ...

Page 11: ...irements The quality assurance does not include damage to wearing parts heating elements carbon brushes bearings etc damage or defects caused by improper handling or maintenance and damage caused by falling products Irregular use and unauthorized modification should not be covered by the warranty It is strongly recommended to send the product to Lesite company or authorized repair center for profe...

Page 12: ...ICS WELDING TECHNOLOGY CO LTD Add 5 Jingpu Road Pushang Industry Park Cangshan Fuzhou 350007 Fujian China Tel 86 591 83818890 E mail info lesite com cn Web www lesiteweld com Lesite Geomembrane Welding Machine 10 2021 EN ...

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