KUHN GMD 700 G II User Manual

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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:

M
Matthew MercerAug 3, 2025
Why is my KUHN GMD 700 G II Farm Equipment leaving uneven stubble?
- B
  Brandi JuarezAug 3, 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.
A
amandasanchezAug 8, 2025
What to do if soil builds up in front of the KUHN GMD 700 G II cutterbar?
- A
  amber60Aug 8, 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.
D
David PadillaAug 15, 2025
Why KUHN Farm Equipment cutterbar is not floating?
- S
  Stephanie MillerAug 15, 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.
K
Kimberly MurphyAug 21, 2025
What to do if KUHN GMD 700 G II stubble is too long?
- R
  rnashAug 21, 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.
S
Sabrina MorganAug 27, 2025
Why is my KUHN Farm Equipment machine breaking back too easily?
- R
  richardwhiteAug 27, 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.

KUHN GMD 700 G II Specifications

General

Brand	KUHN
Model	GMD 700 G II
Category	Farm Equipment
Language	English

Summary

Safety

Designated Use of the Machine

Specifies the intended use of the Disc Mowers and manufacturer liability.

General Safety Recommendations

Basic Safety Principles

Lists fundamental safety rules for operating the machine.

Attachment Safety

Attachment Safety Procedures

Safety precautions for attaching the machine to the tractor.

PTO and Hydraulic Safety

Power Take-Off (PTO) Safety

Safety guidelines for using the Power Take-Off (PTO) shaft.

Hydraulic System Safety

Safety warnings and procedures for the hydraulic system.

Maintenance Safety

Maintenance Safety Precautions

Special Safety Recommendations

Special Safety Warnings for Operation

Specific safety advice and warnings for operating the mower.

Safety Decals

Understanding Safety Pictograms

Adapting to Tractor

Hitch Pin Positioning and Linkage Attachment

Tractor Linkage Connection

Tractor Linkage Checks and Connections

Hydraulic Hose Connection

Chassis Height Adjustment

Hydraulic Control Chassis Adjustment

Stop-Chain Chassis Adjustment

P.T.O. Shaft Connection

PTO Shaft Length and Connection

Ensuring correct PTO shaft length and overlap for safe operation.

Transporting the Mower

Highway Transport Procedures

Step-by-step guide for transporting the mower on public highways.

Engaging Working Position

Transitioning to Working Position

Steps to move the machine from transport to working position.

Operating the Mower

Mower Operation and Safety Curtain Use

Importance of the safety curtain and general operating procedures.

Adjustments

Swath Wheel Adjustment

Cutting Height Adjustment

Safety Break-Away System

Break-Away Latch Operation and Reset

Description and operation of the breakaway latch feature.

Parking the Mower

Mower Parking Procedures

Procedures for lowering the cutterbar and engaging the parking latch.

Adjustments and Maintenance

Knife and Securing Element Inspection

Inspecting knives and their securing elements for wear or damage.

Securing Element Inspection

Securing Bolt Replacement

Securing Nut Replacement

Knife Replacement

Knife Replacement Procedure

Step-by-step guide for replacing mower knives.

Disc Replacement

Disc Replacement Procedure

Procedure for replacing discs, including washer and bolt fitting.

Belt Maintenance

Belt Tensioning and Care

Compensating Spring Adjustment

Adjusting Compensating Spring Tension

Lubrication

Bevel Gearbox Lubrication

Cutterbar, PTO, and Grease Points

Cutterbar Lubrication

PTO Shaft Lubrication

Grease Fittings

Trouble Shooting Guide

Common Problems and Remedies

Lists common problems, their causes, and suggested remedies.

Storing the Mower

End of Season Storage

Beginning of Season Preparation

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