Congratulations with your Duun VM370 firewood processor. All Duun tractor operated machines has been engineered and tested in close cooperation with end users of our products. This in order to develop reliable and user friendly machines Please red instructions manual before you start using the machines..
Innholdsfortegnelse MACHINE IDENTIFICATION SAFETY WARRANTY TERMS DELIVERY FORM FOR DUUN VM420 FIREWOOD PROCESSOR SPECIFICATIONS PREPARATION FOR USE PRACTICAL USE CHAIN SHARPENING AND TIGHTENING SERVICE AND MAINTENANCE DECLARATION OF CONFORMITY...
SAFETY All operators, mechanics and the owner must be well acquainted with the instruction in this instruction manual before the machine is taken into use. You should always work with care when you employ agricultural machinery. Read and observe the safety instructions in this binder.
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Clothing and the drive shaft Do not work in clothing that may be caught in the moving parts of the machine (for example scarf, wide coats). The tractor must be disconnected and the hand brake activated before the shaft is connected to the tractor’s power take-off.
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Rotating parts – risk of crushing The machine’s rotating parts may cause severe injuries. The same applies to risk of crushing during operation. All covers and protective equipment is to be fitted on the machine during use. The user is responsible if an accident occurs as a consequence of defective protection.
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Horizontal positioning and tidiness on the workplace Always place the machine as horizontally and steady as possible to secure stable working conditions. Keep the workplace as tidy as possible. This contributes to generally better safety against unwanted events. Area of application The machines are only intended for production of fire wood from “pure”...
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Safe cutting Avoid placing your hands close to the saw chain. This is obtained by consequently using the log holder A and the handle B to operate it. For cutting the last log of wood, it is important to retain a “suitable” length and cut a shorter piece as the next to last..
Warranty terms Fire wood processor VM370 has a 12 month guarantee against defects in materials and workmanship. Parts that are not originally manufactured by Duun Industrier AS, for example shafts, bearings etc. are subject to these suppliers’ guarantees and terms.
Specifications Feature VM370 VM370X Cutting diameter max 37 cm 37 cm Max splitting force 7000 kg 8500 kg Chain drive Hydraulic Hydraulic Log length 20-50 cm stepless 20-50 cm stepless Saw chain type 1,6 mm 1,6 mm Cjhain speed 23 seconds metre...
Preparation for use Transport and handling before use The VM420 body is equipped with a fork pocket (A) for handling with fork truck or pallet forks. Be aware that one individual wood machine weighs about 875 kg. Use lifting equipment designed for such total weight Preparation for moving with tractor.
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Hydraulic oil - quality. The machine’s performance will, to a high degree, depend on keeping the hydraulic oil intact. The greatest elements of risk for the quality of the oil are Excessively high temperature which entails poor lubrication performance and risk of faults and break-down of expensive components such as valves, pumps and motors.
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Beyond such conditions, the hydraulic oil must be changed every year or after 500 operating hours (whatever occurs first). Drive shaft The requirement for the length of the drive shaft will vary in pace with the size of the tractor and the length of the steady-braces.
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Preparation for transport. Preparing for transport by 1. Releasing the strap fixing point and loosening the strap at the points outlined in the illustration. 2. The transporter is put in place by releasing the winch and the wire which holds it in place – the transporter will fold out until it is level with the ground.
Adjustment of cut length The cut length can be adjusted by loosening the screw A and adjust the stop point B to wanted length. Adjusting machine height For eventually elevating the machine in intervals of 40mm up to 80mm the support legs in each corner can be adjusted.
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Start-up and suitable rotating speed – 500 – 540 rpm The power take-off of the tractor is connected at low rotating speed and increased slowly to 540 rpm which is the max rotating speed of the pto. In order that the machine is to work at its optimum, the rotating speed must be between 500 and 540 rpm.
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Adjustment of cutting In order to adjust the cutting operation in the very best way to material both speed and sword pressure can be adjusted.. The downward speed of the sword are adjusted by the joystick during cutting. Adjusting the screw B maximum movement level can be reached.
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Manual knife lift The splitting knife J is up- and downwards adjusted by pushing the handle I to the left or right. Release the locking pin keeping the knife in position and lift out Cutting The lever for operating cutting and operation of the feeding conveyor forwards and backwards (E) has several functions: The saw chain is hydraulically operated and...
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Safety hand operated log holder Avoid placing your hands close to the saw chain. This is obtained by using the log holder B and the handle A to operate it. For cutting the last log of wood, it is important to retain a “suitable”...
Blunt chains and skewly sharpened chains entail great wear on the saw chain sword and risk of extra costs and complications. In order to avoid this, Duun VM370 is designed so that the saw chain always must be dismantled from the machine for any sharpening or replacement.
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To replace the cahin both screws B are loosened The screw A to be release so far that the saw chain can be hitched off for maintainance or replacement. In order to tighten the chain the loosened screws B are still loose and screw A tightened. Then screws B to be tightened.
Service and maintenance Before opening any lids or covers always stop tractor or motor powering the processor in order to avoid injuries Please note: There are movable parts inside the machine which involve great power and risk of crushing. The machine should never be operated when the covers are removed. The processor has been test run and adjusted from factory and the hydraulic oil should have reached a workiong temperature of minimum 20 degrees C before any adjustments are made.
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Ensure that the chain oil container does not drain during use. Also inspect that oil is consumed and the chain libricated.. Weekly maintenance Open all lids and safety covers and clean these (compressed air). Avoid that the oil tank is covered by dust and chips.
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Item No. 2251065 Clean and lubricate the machine between each season. The VM370 has many lubrication points. Many of these have a very light load and are equipped with «forever» greased bearings. Other bearings are mainly flange mounted ball bearings demanding very modest greasing. The main...
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