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Lesite Technology

LST900/900D

Hot Wedge Welder

Manual

LESITE

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Summary of Contents for LST900

Page 1: ...Lesite Technology LST900 900D Hot Wedge Welder Manual LESITE ...

Page 2: ...n 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 c...

Page 3: ...ngle Layer 12 cm 15 mm 2 Interior Cavity 15mm 85 Material 13 0 Kg Temperature CE One Year Model LST900D LST900 900D EN LESITE Rated Voltage Frequency Power Welding Speed Heating Temperature Welding Pressure Thickness Welded Overlap Width Seam Width Seam Strength Net Weight Digital Display Certificate Warranty 230 V 120 V 50 60 Hz 1800 W 1650 W 1 5 m min 50 450 100 1000N 1 0 mm 3 0 mm Single Layer ...

Page 4: ...LST900 Main Parts LST900 900D EN LESITE 1 Pressure Handle 2 Operation Handle 3 Control Box 4 Hot Wedge 5 Pressure Roller 6 Creeping Wheel 7 Swing Head 8 Pressure Adjustment 1 2 3 4 5 6 7 8 ...

Page 5: ...set to the temperature required for welding and wait for the temperature to reach the preset value 4 Turn on the motor switch 13 and set the speed control knob 15 to the required figure 5 Place the welding machine and insert the membrane layers 6 Put down the pressure handle 1 the machine starts to move and weld 7 Keep observing the welding trail and the position of the upperlayer and lower layer ...

Page 6: ... 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 16 Power Switch 17 Temperature Rise Knob 18 Temperature Drop Knob 19 Speed Increase Knob 20 Speed Down Knob 21 Motor Switch...

Page 7: ... drop knob at the same time 18 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 ...

Page 8: ...own 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 Dr...

Page 9: ...rongly 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: ...LST900 900D Nameplate Maintenance LST900 900D EN LESITE Do clean the hot wedge and pressure rollers after welding ...

Page 11: ...quirements 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 pro...

Page 12: ... PLASTICS 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 Hot Wedge Welder 09 2021 EN ...

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