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Related Manuals for DALBO 300
Summary of Contents for DALBO 300
- Page 1 FRONTGRUBBER Front-mounted grubber 300/400/400H/600H cm...
- Page 3 Congratulations on the purchase of your new front grubber. For safety reasons and to achieve optimum service from the product, please read the User Guide before use. © Copyright 2002. All rights reserved, DALBO A/S This product has: Type no.: Serial no.:...
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Page 5: Table Of Contents
Table of Contents SAFETY ............................6 ..............................6 ENERAL ..............................7 YDRAULICS ..............................7 OUNTING ..........................7 AINTENANCE AND REPAIR ............................8 OAD TRANSPORT .............................8 ORRECT USE TECHNICAL DATA ........................... 9 HOW TO USE THIS MANUAL ......................10 USES ............................11 CONNECTING AND DISCONNECTING .................... 12 ............................ -
Page 6: Safety
FRONTGRUBBER Safety This symbol appears in the instruction manual each time there is a safety warning concerning your safety, the safety of others or functionality of the machine. All safety instructions must be observed and made available to all users of the ma- chine. -
Page 7: Hydraulics
FRONTGRUBBER Hydraulics • Ensure there are no personnel within the machine's working radius when acti- vating the hydraulic system to avoid danger of crushing. • Lower machine fully for any repair work on the hydraulic system. Relieve hy- draulic pressure, switch engine off and remove ignition key. •... -
Page 8: Road Transport
FRONTGRUBBER Road transport • All safety and warning precautions mandatory by law must be fitted and tested before transporting the machine on public roads. The driver is responsible for correct lighting and warning signs in accordance with traffic regulations. • Check with local traffic authorities whether transport on public roads is allowed given the machine's dimensions. -
Page 9: Technical Data
FRONTGRUBBER Technical data Front Grubber Size (cm) HP (recommended) 80-100 100-125 Gross weight kg: 1350 1610 Wheels (2 pcs.) 10.0/75 x 15.3 10.0/75 x 15.3 Working width (m) Number of teeth Side 9... -
Page 10: How To Use This Manual
FRONTGRUBBER How to use this manual The sequence of subject matter in this manual can seem illogical. Please refer to the table of contents for page numbers for individual items. The manual is divided into 4 main sections: • Safety •... -
Page 11: Uses
FRONTGRUBBER Uses The Front Grubber is a front-mounted universal implement which can be used for a range of field tasks. In combination with e.g. a Maxi Disc on the back of the tractor, two operations can be performed with one pass. Ideal applications are on grass or where there are large quantities of plant resi- due. -
Page 12: Connecting And Disconnecting
FRONTGRUBBER Connecting and disconnecting Connecting Fig. 1 Fit lift arms first using lift pins (A). Attach chain (supplied) to top mount. Remember to secure attachment using split pins and check lift arm hook lock mechanism is engaged. Lift arm angle Ensure that tractor lift arms achieve an angle a couple of degrees over- or at least horizontal when implement is lowered to the ground. -
Page 13: Disconnection
FRONTGRUBBER Disconnection Lower FRONTGRUBBER to ground before disconnecting. Disconnect hydraulic hoses and lift arms. Disconnect light if relevant. Remember to depressurise hoses before disconnecting them. Ball cock must be closed before disconnection. Failure to do so will cause pressure loss. Machine will drop to ground. -
Page 14: Setting Up
Set depth using the drilled plates (A) on wheels and using tractor lift arms. Both sec- tions of frame must be horizontal. A driver-operated electronic depth control mount- ed on the tractor is recommended. Contact Dalbo for details. Fig. 2... -
Page 15: Adjusting Chain
FRONTGRUBBER Adjusting chain Fig. 3 Chain on top mount (A) should be loose when implement is fully low- ered. This will ensure uniform depth, control over the machine and opti- mum weight equalisation on tractor front wheels. Adjusting sideboard Fig. 4 To ensure an even surface at the out- side of the operating width, the grub- ber is fitted with a sideboard (A),... -
Page 16: Adjusting Pressure Of Hydraulic Stone Guard
FRONTGRUBBER Adjusting pressure of hydraulic stone guard Hydraulic system pressure must be adjusted according to soil type. Very hard soil will require much higher pressure than sandy soils. A pressure of max. 120 bar is recommended for most conditions. 120 bar. Remem- ber to close ball cock on feeder hose when pressure has been adjusted. -
Page 17: Operation
FRONTGRUBBER Operation Correct operation is vital for optimum use. This applies to working in the field and for safety. Always ensure you are fully familiar with all safety aspects of the machine. Working depth The Front Grubber can be set for a very light effect. Depth can be controlled very precisely by the wheels and tractor lift arms. -
Page 18: Troubleshooting
FRONTGRUBBER Troubleshooting Fault Cause Remedy Uneven working • Wheels not set • Adjust wheels depth evenly • Front Grubber tips • Adjust lift arm height backwards or for- • Adjust wheels wards Difficult to control • Top mount chain • Loosen chain tight •... -
Page 19: Maintenance
FRONTGRUBBER Maintenance Good maintenance ensures long service life and optimum use. Grease nipples are fitted where wear is heaviest. Tighten all screw connections after first working day. Check all split pins and bolts to avoid mechanical failure. Check hydraulic system for leaks. Lubrication Fig. -
Page 20: Hydraulics
FRONTGRUBBER Hydraulics Check all hydraulic hoses for wear or cracks. Check all hoses for crimping. Replace defective hydraulic hoses immediately. Broken hoses can cause injury or damage to the implement. Lubricate exposed rams with oil or pressure-resistant grease to avoid rust forming when storing for long periods. -
Page 21: Replacement Andrepairs
FRONTGRUBBER Replacement and repairs Safety is vital for all repair work. Always observe the following points, plus those under Safety First in the instruction manual. All maintenance and repair work can only be performed when the machine is low- ered to the ground or locked in transport position, tractor is braked, engine stopped and ignition key removed to prevent accidental start. -
Page 22: Replacing Gaskets On Stone Guard Cylinder
FRONTGRUBBER Replacing gaskets on stone guard cylinder Fig. 9 Cylinder 40/20-200 1. Drain oil from cylinder by moving ram carefully backwards and forwards. 2. Extend ram to centre position. Unscrew upper part (pos. 11) from cylinder tube (pos. 5). Use special tool to remove upper part. If upper part is stuck, heat front of sleeve. - Page 23 FRONTGRUBBER Support implement securely to avoid danger of crushing or falling Fig. 10 Teeth tips (A) are reversible and se- cured by three bolts. Turn or replace tips before stalk becomes worn, whereupon retain tip and wings (B). When turning tips, old bolts can be reused, but when replacing them, use new bolts.
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Page 24: Scrapping
FRONTGRUBBER Scrapping Depressurise hydraulic system Beware of the weight of any given part when removing or disassembling. All parts must be supported or lifted to avoid danger of falling. Disconnect hydraulic hoses and cylinders and drain oil. Collect oil in container to avoid pollution. -
Page 25: Spare Parts
FRONTGRUBBER Spare parts Side 25...