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Lefon R4 - User Manual

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Operation Manual Page 1 of 27
Operation Manual
R Series Orbital Cutting/Beveling Machine
R4, R6, R8, and R12

Questions and Answers

  • S
    Scott DelgadoAug 9, 2025
    What to do if the Lefon Saw motor is not running?
    • A
      andrew61Aug 9, 2025
      If the motor of your Lefon Saw isn't running, it could be due to the overload protection relay or the restart inhibitor being triggered. First, set the switch to off, wait about 15 minutes, and then switch the machine on again. If that doesn't work, set the switch to off and then switch the machine on again.
  • E
    Erin ButlerAug 14, 2025
    Why blade doesn’t cut and is slipping on Lefon R4?
    • S
      Shirley RileyAug 14, 2025
      If the blade of your Lefon Saw isn’t cutting and is slipping, it's likely that the hexagon nut on the saw blade shaft isn't tightened enough. You should tighten the hexagon nut.
  • J
    Joseph SullivanAug 21, 2025
    What to do if pipe can’t be cut with Lefon R4 Saw?
    • P
      Pamela CollinsAug 21, 2025
      If you can't cut the pipe with your Lefon Saw, the saw blade might be mounted incorrectly. Reverse the blade so that the labeled side faces outwards.
  • V
    Vanessa CooperAug 27, 2025
    How to fix Lefon R4 Saw sliding housing that doesn’t turn?
    • C
      cookkendraAug 27, 2025
      If the sliding housing of your Lefon Saw doesn’t turn, it's probably because the pipe diameter isn't adjusted correctly. Adjust the top handle wheel correctly following the earlier instructions.
  • L
    Lynn YoungSep 2, 2025
    What to do if pipe diameter can’t be adjusted on Lefon Saw?
    • C
      Caitlin MullinsSep 2, 2025
      If the pipe diameter can’t be adjusted on your Lefon Saw, the slide guide might be dirty. Clean the slide guide following the earlier instructions.

Summary

Section 1: Operation Safety

Keep Safety in Mind

General safety guidelines and precautions for operating the machine.

Danger of Death by Electric Shock

Critical safety information regarding electrical hazards and precautions.

Danger of Injury by Sharp Cutting Edges

Warnings and protective measures against injuries from sharp machine components.

Section 2: Machine Application & Specification

Technical Specification

Lists detailed technical parameters such as power, speed, voltage, and cutting range.

Section 4: Operation Procedure

Adjustment for Different Size Pipe

Guides on adjusting the machine for pipes of varying diameters and cutting/beveling operations.

Pipe Cutting Process

Step-by-step guide for performing pipe cutting operations, including safety and lubrication.

Pipe Beveling Process

Step-by-step guide for performing pipe beveling operations, including safety and lubrication.

Section 5: Maintenance & Troubleshooting

Trouble Shooting

Common issues, their causes, and recommended corrective actions for the machine.

Lefon R4 Specifications

General IconGeneral
BrandLefon
ModelR4
CategorySaw
LanguageEnglish

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