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KUHN GMD 600 G II-HD - User Manual

KUHN GMD 600 G II-HD
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ASSEMBLY / OPERATOR'S MANUAL
GMD 600 G II / 700 G II / 800 G II
GMD 600 G II-HD / 700 G II-HD / 800 G II-HD
MULTIDISC MOWER
N° 95009 D.GB - 06.2006

Table of Contents

Questions and Answers

  • A
    amandajosephAug 9, 2025
    Why is my KUHN GMD 600 G II-HD leaving uneven stubble?
    • J
      James MartinAug 9, 2025
      Uneven stubble can occur for several reasons. It could be due to dull or broken knives, which require replacement. Ensure knives are installed correctly with the arrow on the upper face pointing in the disc's rotation direction. Check belts for correct tension if the disc speed is low. Increase engine speed to run the PTO at 540 rpm if the PTO speed is low. Finally, reduce tilt on the cutterbar if there is too much.
  • S
    smartinAug 15, 2025
    What to do if soil builds up in front of the KUHN GMD 600 G II-HD Farm Equipment cutterbar?
    • J
      Jennifer MichaelAug 15, 2025
      Soil buildup in front of the cutterbar can be addressed by adjusting the compensating spring tension if there's too much cutterbar down pressure. If working in very wet conditions, adjust the main frame height by shortening the chain as needed. Consider fitting a set of raised skids.
  • X
    xjohnsonAug 21, 2025
    Why KUHN GMD 600 G II-HD cutterbar is not floating?
    • A
      Ann Wilson DDSAug 21, 2025
      If the cutterbar isn't floating, ensure the tractor spool valve is set to the float position, allowing the cylinder to move freely. Also, the compensating spring may need adjustment. Check the condition of the bevel gearbox mounting bushes and replace them if necessary, as wear or seizing can cause this issue.
  • O
    Olivia HarmonAug 27, 2025
    What to do if KUHN Farm Equipment stubble is too long?
    • T
      Timothy MercadoAug 27, 2025
      If the stubble is too long, adjust the cutterbar angle using the tractor top link. You may also need to adjust the compensating spring tension and main frame height if there is insufficient cutterbar down pressure.
  • B
    brandon68Sep 1, 2025
    Why is my KUHN GMD 600 G II-HD Farm Equipment machine breaking back too easily?
    • C
      cdavisSep 1, 2025
      If the machine is breaking back too easily, it could be due to insufficient tension on the breakaway spring washers; tighten them. Alternatively, reduce the tractor's ground speed if it's excessive for the field conditions.

Summary

Safety Information and Precautions

Designated Use of the Machine

Specifies the intended purpose and restrictions for the disc mower.

General Safety Recommendations

Basic principles and advice for safe operation and handling of the machine.

Attachment Safety

Power Take-Off (PTO) Safety

Guidelines for safe operation and connection of the PTO shaft.

Hydraulic System Safety

Safety warnings and procedures for the hydraulic system.

Maintenance Safety

Special Safety Recommendations

Specific safety advice for operating the mower, including cutting tools and projections.

Safety Decals

Assembly Procedures

Adjustment of Chassis Height from the Ground

For Tractors with Hydraulic Position Control

Procedure for setting chassis height using hydraulic position control.

For Tractors Without Hydraulic Position Control

Method for adjusting chassis height using a stop-chain.

P.T.O. Shaft Operation

Connecting and Length Adjustment

Instructions for connecting PTO shaft and ensuring correct length and angles.

Safety Precautions

Warnings regarding PTO speed, guards, and rotating elements.

Transport Procedures

Preparation for Transport

Steps for securing the machine for transport on public highways.

Working Position Setup

Transition from Transport to Working Position

Procedures for lowering the cutterbar and locking it in working position.

Operating the Mower

Safety Curtain and Operation

Ensuring safety curtain is in place and operating procedures.

Adjustments

Outer Swath Wheel Adjustment

Cutting Height Adjustment

Adjusting cutterbar tilt angle for optimal cutting height.

Safety Break-away System

Breakaway Latch Function and Reset

Explanation of breakaway latch and how to reset cutterbar.

Factory Setting and Adjustment

Parking the Machine

Parking Procedure

Steps for lowering cutterbar and securing machine for parking.

Safety Note for Parking

Adjustments and Maintenance

Inspection of Knives and Securing Elements

Procedures for inspecting knives, securing bolts, and nuts.

Knife Replacement

Detailed instructions for replacing worn or damaged knives.

Discs Replacement

Adjustment of Compensating Spring Tension

How to adjust compensating spring for optimal ground pressure.

Lubrication Guide

Oil Change Intervals

Recommended intervals for changing oil in gearboxes and cutterbar.

Bevel Gearbox Lubrication

Cutterbar Lubrication

Trouble Shooting Guide

Uneven Stubble

Causes and remedies for uneven stubble from the mower.

Stubble Too Long

Reasons for long stubble and how to correct them.

Soil Built Up in Front of Cutterbar

Cutterbar Not Floating

Machine Breaking Back Too Easily

KUHN GMD 600 G II-HD Specifications

General IconGeneral
BrandKUHN
ModelGMD 600 G II-HD
CategoryFarm Equipment
LanguageEnglish

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