KUHN GMD 400 User Manual

ASSEMBLY / OPERATOR'S MANUAL
GMD 400 - 500
GMD 400 HD - 500 HD
MULTIDISC MOWER
N° 95001 C.GB - 03.2003

KUHN GMD 400 Specifications

General

Brand	KUHN
Model	GMD 400
Category	Lawn Mower
Language	English

Summary

Safety

Designated Use of the Machine

Defines the intended purpose and limitations of the mower.

General Safety Recommendations

Outlines fundamental safety principles for operating the machine.

Precautions Before Operation

Lists essential safety checks and actions before starting the mower.

Special Safety Recommendations

Highlights specific safety advice for operation and maintenance.

Safety Decals

Explains the meaning and importance of safety pictograms on the machine.

Safety Breakaway

Details the function and resetting procedure for the cutterbar breakaway system.

Technical Specifications

Assembly Procedures

Mounting Chassis to Cutterbar

Instructions for attaching the main chassis to the cutterbar assembly.

Belt Shield and Hydraulic Hose Assembly

Steps for installing belt guards, belts, and hydraulic hoses.

Frame Pipe and Lift Bracket Assembly

Procedure for assembling the frame pipe and lift bracket components.

Safety Guard and Locking Device Assembly

Instructions for attaching safety guards and the locking mechanism.

Attaching the Mower to the Tractor

Lower Link Attachment and Pin Positioning

Details on connecting lower links and positioning hitch pins for tractor attachment.

PTO Shaft Operation

Working Position and Adjustments

Chassis Height Adjustment

How to set the machine's chassis height relative to the ground.

Cutting Height Adjustment

Procedures for adjusting the cutterbar tilt angle for optimal cutting height.

Transport and Parking the Machine

Operating the Mower

Lubrication

Bevel Gearbox Lubrication

Guidelines for checking and filling oil in the bevel gearbox.

Cutterbar Lubrication

Procedures for checking and adding oil to the cutterbar.

Grease Fittings

Instructions for lubricating pivot and linkage points.

Adjustments and Maintenance

Knife and Securing Element Inspection

Checks for wear and damage on knives and their securing hardware.

Knife Replacement

Step-by-step guide for replacing mower knives.

Disc Replacement

Procedures for removing and installing mower discs.

Belt Tensioning and Replacement

How to check and adjust belt tension and when to replace belts.

Optional Equipment

Hydraulic Adaptors

Details on available adaptors for hydraulic connectors.

Special PTO Shaft

Information on reinforced PTO shafts and when they are recommended.

Kit for Mowing at 40° Below Horizontal

Description of a kit for operating the mower on steep slopes.

Wear Plates

Information on wear plates for disc guards.

Raised Skids

Details on optional raised skids for adjusted cutting height or sticky ground.

Signalling Elements Kit

Instructions for installing optional signalling elements.

Service Adjustment Chart

Storing the Mower

Sound Levels

Limited Warranty