KUHN GMD 802 Assembly & Operators Manual
  1. Manuals
  2. Brands
  3. KUHN Manuals
  4. Lawn Mower
  5. GMD 802
  6. Assembly & operators manual
KUHN GMD 802 Assembly & Operators Manual

KUHN GMD 802 Assembly & Operators Manual

Multidisc mower
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
ASSEMBLY / OPERATOR'S
MANUAL
GMD 802 - 902
Multidisc Mower
N° 95012 B.GB - 09.2002

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the GMD 802 and is the answer not in the manual?

Questions and answers

Related Manuals for KUHN GMD 802

Summary of Contents for KUHN GMD 802

  • Page 1 ASSEMBLY / OPERATOR'S MANUAL GMD 802 - 902 Multidisc Mower N° 95012 B.GB - 09.2002...

  • Page 2: Dear Owner

    DEAR OWNER, In buying a KUHN machine you have chosen wisely. Into it have gone years of thought, research and improvements. You will find, as have thousands of owners all over the world, that you have the best that engineering skill and actual field testing can produce. You have purchased a dependable machine, but only by proper care and operation can you expect to receive the performance and long service built into it.
  • Page 3 CONTENTS Page - 1 -...

  • Page 4: Designated Use Of The Machine

    SAFETY DESIGNATED USE OF THE MACHINE GMD 802 - 902 GMD 802 - 902 GENERAL SAFETY RECOMMENDATIONS - 2 -...
  • Page 5 GENERAL SAFETY RECOMMENDATIONS BASIC PRINCIPLES - 3 -...
  • Page 6 PRECAUTIONS TO BE TAKEN BEFORE OPERATING THE MACHINE ATTACHMENT - 4 -...

  • Page 7: Power Take-Off

    POWER TAKE-OFF (rotational frequency) Rotational frequency Rotational frequency 540 min HYDRAULIC SYSTEM - 5 -...

  • Page 8: Hydro-Pneumatic Accumulator

    HYDRO-PNEUMATIC ACCUMULATOR MAINTENANCE - 6 -...
  • Page 9 SPECIAL SAFETY RECOMMENDATIONS 13.Never mow in reverse. - 7 -...

  • Page 10: Safety Decals Model Identification Plate

    SAFETY DECALS MODEL IDENTIFICATION PLATE The following safety pictorials have been placed on your machine in the areas indicated. They are intented for your personal safety and for the safety of the people working with you. The text shown on them gives their precise meaning. Keep the pictorials clean. Replace them when they are faded, in particular the signalling panel (9) situated on the end of the machine.
  • Page 11  ‚ ƒ „ … - 9 -...
  • Page 12 † ‡ - 10 -...

  • Page 13: Technical Specifications

    TECHNICAL SPECIFICATIONS TYPE GMD 802 GMD 902 (rotational frequency) (min (rotational frequency) (min - 11 -...
  • Page 14 ASSEMBLY Slide the electric cable through the protection cover sheath (1) so that the female terminal (2) is located at the tail light side and the male terminal (3) is located at the cutterbar central articulation side (photo 3). - 12 -...
  • Page 15 1. Fitting the protection cover - 13 -...
  • Page 16 2. Fitting the safety guards Before driving onto a main road, check the cleanness of the signalling panel and that the rear red light is functioning correctly. - 14 -...
  • Page 17 3. Box spanner storage location - 15 -...
  • Page 18 LOWER HITCH PIN ADJUSTMENT GMD 802 - 902 Check the torque of screws (19) after the first 10 hours of work following each lower hitch pin repositioning. - 16 -...
  • Page 19 LOWER HITCH PIN ADJUSTMENT Follow fig. 1 Fig. 1 Follow fig. 2 Fig. 2 Follow fig. 3 Fig. 3 Always attach machine in such a way that distance (A) is approximately 50 mm (2"). - 17 -...

  • Page 20: Coupling To The Tractor

    COUPLING TO THE TRACTOR GMD 802 - 902 in the raised position When attaching the top link (A) select one of the lower holes on the tractor side and one of the upper holes on the machine side in order to ensure a good ground clearance in transport position (drawing 4).
  • Page 21 in the raised position in transport position hitch pins are parallel to the ground when the multidisc mower is in the « head- land turn » position « headland turn» hitch pins are parallel to the ground Note : - 19 -...
  • Page 22 ADJUSTMENT OF CHASSIS HEIGHT FROM THE GROUND 1. For tractors equipped with hydraulic position control function : 600 mm (2') 2. For tractors not equipped with hydraulic position control function : H = 600 mm (2') - 20 -...

  • Page 23: Primary P.t.o. Shaft

    PRIMARY P.T.O. SHAFT to the 1000 rpm (min ) PTO stub 3) Never operate the PTO at too great an angle (X = +/- 30° maximum) (fig. 28A). These recommendations and adjustments must be respected to avoid damage or premature wear of the PTO.

  • Page 24: Secondary P.t.o. Shaft

    SECONDARY P.T.O. SHAFT Before carrying out any operation such as maintenance or adjustment on the machine, stop the tractor engine, remove inition key and wait for rotating discs to stop. Before the machine is put into service and after a long period of non-use, check the function of the slip clutch to ensure it is not locked up.

  • Page 25: Working Position

    WORKING POSITION Warning : Before putting the machine in the working position ensure that the pivoting front protector has been lowered and that all persons are well clear of the cutterbar pivoting area. To lift the machine in “headland turn” position, do not use the tractor’s lift linkage, only use the single acting cylinder located under the frame.

  • Page 26: Transport Position

    TRANSPORT POSITION Attention : Before pivoting the cutting head into the transport position, wait until the rotating discs have come to a complete stop and ensure that there is nobody in the cutting head pivoting area. Do not pivot the cutting head into transport position if the torque limiter has become very hot due to slippage.

  • Page 27: Cutting Height

    ADJUSTMENTS 1. CUTTING HEIGHT 2. SWATH WHEELS outer swath wheel (GMD 802 - 902) and inner swath wheel (GMD 802 only) - 25 -...
  • Page 28 The accumulator pressure must be set with the machine in working position and with the lower hitch pins being set at the correct distance of 600 mm from the ground (H = 600 mm, see page 20). GMD 802 GMD 902...
  • Page 29 4. ADJUSTMENT OF THE MOWING UNIT STABILISING PRESSURE in “headland turn” position and in TRANSPORT POSITION GMD 802 GMD 902 increase pressure “headland turn” reduce the pressure Never use the valve (4A) for any other reason that those mentioned above.

  • Page 30: Parking The Machine

    PARKING THE MACHINE For your safety, always park the machine with the cutting head in the “transport” position Lower the mowing unit - 28 -...
  • Page 31 - 29 -...
  • Page 32 OPERATING THE MULTIDISC MOWER Adjust machine to clear obstruc- tions and debris. Foreign objects and other debris can be deflected toward the operator and bystanders. Attention, before placing the cut- ting head into the working posi- tion, release the lock (1) and lower the protection cover (2) in work position (see arrows in photo 43).

  • Page 33: Maintenance

    MAINTENANCE Before carrying out any operation such as maintenance or adjustment on the machine, stop the tractor engine, remove ignition key and wait for rotating discs to stop before leaving the tractor. Any intervention (changing the knives, grease, lubrication etc ...) must be done with the machine in the transport position, except when greasing the secondary PTO transmission shaft.

  • Page 34: Basic Adjustments

    BASIC ADJUSTMENTS : Before any intervention on the ma- chine, make sure to depressurise the circuit, then open a fitting to release any residual hydraulic pressure. 1) Drive (fig. 47) 2) Compensating cylinder (1) (fig. 48) 3) Transport/work cylinder (2) (fig. 48) 4) Transport stop (5) (fig.
  • Page 35 TRANSPORT STOPPER : - 33 -...
  • Page 36 ACCESS TO CUTTERBAR Before carrying out any operation such as maintenance or adjustment on the machine, stop the tractor engine, remove ignition key and wait for rotating discs to stop before leaving the tractor. Any intervention (changing the knives, grease, lubrication etc ...) must be done with the machine in the transport position, except when greasing the secondary PTO transmission shaft.

  • Page 37: Inspection Of Knives And Securing Elements

    1. INSPECTION OF KNIVES AND SECURING ELEMENTS Worn or damaged items must immediately be replaced with genuine KUHN parts as otherwise warranty will be withdrawn. A) KNIVES should be inspected systematically each time before the machine is operated. a) Damaged knives...
  • Page 38 B) SECURING ELEMENTS : To be inspected regularly ! 12 daNm / 90 ft.lbs a) The securing bolt must be replaced : b) The nuts must be replaced : For the correct operation of your machine, always use genuine spare parts. Regularly check all nuts and bolts for correct tightness, particularly those securing discs and blades.

  • Page 39: Knife Replacement

    2. KNIFE REPLACEMENT Torque locknut to 12 daNm / 90 ft.lbs. Important : Always replace securing elements (lock-nuts and bolts) when they have been removed 5 times. Caution : Always replace damaged knives, never straighten a bent knife. Never replace one knife only per disc, always replace both of them to avoid creating an out-of-balance force.
  • Page 40 3. DISCS REPLACEMENT Tighten bolts to a torque of 12 daNm (90 ft.lbs). Discs supplied through our spare parts department come with a 1 mm spacer (part no. 568 071 00) (fig. 54) attached to them. When installing a new disc check if the gap between the blades or their mounting bolts and the cutterbar protection shields is at least 1 mm.
  • Page 41 Before any intervention on the machine (maintenance or adjustments), place the machine into the transport position, switch off the tractor’s motor, take the key out of the ignition and wait until all moving parts have come to a halt. GMD 802 GMD 902 NOTE IMPORTANT ! after the first 10 hours of use [SAE 80 W EP (GL4)].
  • Page 42 CHECKING OIL IN THE CUTTERBAR (fig. 60 and 61) If in doubt as to the amount of oil contained in the cutterbar, do not add oil. Drain the oil com- pletely and refill with the prescribed quantity. Fig.60 NOTE : Attention : Make sure that the tractor engine is shut off, ignition key removed and PTO shaft disconnected before carrying out this operation.
  • Page 43 DRAINING AND REFILLING THE LATERAL GEARBOX (fig. 62) let the old oil drain into an appropriate container - 41 -...
  • Page 44 DRAINING AND REFILLING THE CENTRAL GEARBOX (fig. 63) let the old oil drain into an appropriate container - 42 -...

  • Page 45: Grease Fitting

    GREASE FITTING a) P.T.O. shafts SHELL Multi-Purpose grease NLGI grade 2 To grease the secondary PTO transmission shaft, place the ma- chine in the working position and remove the tractor ignition key. Important note : The telescopic tubes of the secondary PTO shaft are lubricated through grease zerk (1).

  • Page 46: Optional Equipment

    OPTIONAL EQUIPMENT 1. PTO SHAFT YOKE 1 3/8" - 21 SPLINES No 4603 256 2. SIDE DEFLECTORS (photos 68 and 69) (Kit no. 103 6300) STORING THE MULTIDISC MOWER AT THE END OF THE SEASON AT THE BEGINNING OF THE SEASON READ THIS OPERATORS MANUAL ONE MORE TIME.

  • Page 47: Troubleshooting Guide

    TROUBLE SHOOTING GUIDE PROBLEM CAUSE REMEDY (rotational (rotational fre- frequency) quency) (min - 45 -...

  • Page 48: Sound Levels

    SOUND LEVELS Sound levels given out by : GMD 802-902 Multidisc mowers Sound levels have been measured in accordance with the measuring methods as defined in : HM Agricultural Inspectorate AGRICULTURAL MACHINERY NOISE Legislation and guidance on methods of testing...

  • Page 49: Limited Warranty

    LIMITED WARRANTY KUHN S.A. THESE CONDITIONS ARE SUBJECT TO THE FOLLOWING EXCEPTIONS : THE CUSTOMER WILL BE RESPONSIBLE FOR AND BEAR THE COSTS OF:...
  • Page 50 LIMITED WARRANTY IS DEPENDENT UPON THE STRICT OBSERVANCE BY THE PURCHASER OF THE FOLLOWING PROVISIONS : DISCLAIMER OF FURTHER WARRANTY There are no warranties, expressed or implied, except as set forth above. There is no warranty of merchantability. There are no warranties which extend beyond the description of the product contained herein.
  • Page 51 This machine complies with the safety requirements of the European machinery directive. The Operator should respect all Health and Safety regulations as well as the Highway Code. For your own safety, use only genuine KUHN spare parts. The manufacturer disclaims all responsibilities due to incorrect use or non-compliance with the...
  • Page 52 KUHN parts KUHN S.A. 4 Impasse des Fabriques F - 67706 SAVERNE CEDEX Tél. : + 33 (0) 3 88 01 81 00 - Fax : + 33 (0) 3 88 01 81 03 www.kuhnsa.com - E-mail : info@kuhnsa.com...

This manual is also suitable for:

Gmd 902

Table of Contents