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Kellfri 21-SV20.1100 Manual

2 tonne forestry trailer with 4,2m crane
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2 TONNE FORESTRY TRAILER
WITH 4,2M CRANE
21-SV20.1100
21-SV20.600
21-SV20.1200
21-SV20.700
(PACKAGE 7)
(PACKAGE 8)
(PACKAGE 9)
(PACKAGE 10)
Read the operating instructions
carefully before using the product!
Operating instructions translated from Swedish

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Summary of Contents for Kellfri 21-SV20.1100

  • Page 1 2 TONNE FORESTRY TRAILER WITH 4,2M CRANE 21-SV20.1100 (PACKAGE 7) 21-SV20.600 (PACKAGE 8) 21-SV20.1200 (PACKAGE 9) 21-SV20.700 (PACKAGE 10) Read the operating instructions carefully before using the product! Operating instructions translated from Swedish...
  • Page 2 Deviation form Warranty terms and conditions Kellfri designs and supplies efficient, affordable machinery and components for forestry, agriculture, construction and gardening in Sweden, the rest of the Nordic region and Europe. We recommend that you always read and follow the safety instructions and the instructions in the machine’s operating manual.

  • Page 3: Product Information

    • A stable frame makes it easy to pull the trailer Kellfri's SV20 forestry trailer is equipped with a 4.2 metre crane which is operated using its own hydraulic valve block with levers. The lifting arm is curved for optimal geometry and strength and the crane can lift 100 kg at 4.2 metre's reach.
  • Page 4 21-SV20.1100 21-SV20.600 21-SV20.1200 21-SV20.700 TECHNICAL DATA Package 7 Package 8 Package 9 Package 10 Front 80x80 Front 80x80 Front 80x80 Front 80x80 Central beam Rear 90x90 mm Rear 90x90 mm Rear 90x90 mm Rear 90x90 mm Ground clearance C-pipe, 400 mm...

  • Page 5: Safety Instructions

    For the safety of both yourself and others, it may be a good idea to read through the safety instructions every now and then. If the safety instructions or the operating manual are damaged, or become unusable for any other reason, new copies may be ordered from: Kellfri AB, Storsvängen 2, SE-532 38 SKARA, Sweden.

  • Page 6: Before Use

    SURROUNDINGS Check that the work area is free from bystanders and objects before hitching or using the equipment. Otherwise, there is a risk of serious injury. Be extra careful if there are children in the vicinity of the area where the equipment or product is used or stored. Check that there are no low-hanging electrical cables within the work area.

  • Page 7: Connecting Equipment

    Only those who understand the safety instructions and the operating manual may use the equipment or product. Exercise caution and care when working with the equipment or prod- uct, and only use it as described in the instruction manual. There is a risk of crushing when working with equipment that has moving parts. Exercise cau- tion when working with equipment with hydraulic hoses, as oil under pressure can penetrate the skin.

  • Page 8: Maintenance And Service

    Tighten leaking connections if there are any leaks. Do not tighten the connections more than necessary. They may break if they are overtightened. DEVIATION FORM OIL & GREASE GUIDE GENERALSAFETYINFORMATION MAINTENANCE CHECKLIST See further infor- ORIGINAL ENGINE MANUAL mation on Kellfri’s TECHNICAL MANUAL manual page. Table of contents >>...
  • Page 9 CRANE SERVICE TROUBLESHOOTING CAUSE MEASURE The grapple loader won't - Low oil level - Check the hydraulic system, refill with oil if necessary. move or all its functions - Leaking hydraulic system - Check all hoses, valves and cylinders. are slow - Defective valves, hoses - Replace broken or defective parts or cylinders...
  • Page 10 CONNECTING THE VALVE BLOCK • It is recommended that the control is positioned close to the tractor. Hydraulic hoses must not be attached inside the cab. • Connect the grapple loader valve block pressure and return hoses. Make sure the pressure and return hoses are connected correctly.
  • Page 11 DANGER! Pressurised oil and fuel leaks can penetrate skin and cause serious injuries. Do not use your hands to locate leaks. Use a piece of paper or cardboard to search for leaks. CHEMICALS To maximise the service life of a product/equipment, maintenance - and not least preventive maintenance - is important, and this is largely what greases and oils do.

  • Page 12: Warning Decals

    WARNING DECALS Make sure warning decals are always visible and clean them when necessary. Do not use a high-pres- sure washer directly on the warning decal. If a label becomes worn or in any other way unusable, order a new set of labels. •...
  • Page 13 The maximum speed is 30 km/h. • Kellfri is not liable for any modifications, changes or rebuilds carried out by customers. The controls are placed in optimal position with tractor/ATV. Warning! Hydraulic hoses must not be attached inside the cab. When operating the crane, the valve block must be placed in a protected place.
  • Page 14 Contact your local authority for further information. Kellfri AB has a policy of continuous product development and therefore reserves the right to make modifications, e.g. to the design and appearance of the product, without prior notice.
  • Page 15 • All warning decals must be clean and legible. Lost or damaged decals must be replaced. New ones can be ordered from Kellfri. • If hydraulic hoses are routed into the cab, they must be covered so that the user is pro- tected against oil jets in the event of a hose rupture.
  • Page 16 Using the machine. Warning! The machine may only be connected to the tractor if there is sufficient weight on the front and rear axles, so that the steering and brakes work when the machine is connected. If necessary, use ballast weights, see the tractor’s instruction manual. NOTE If the hydraulic hoses are not connected to the tractor in the prescribed order (return hose is connected IN first and OUT last), there is a risk of damage to the seals on the valve block.
  • Page 17 Adjustments. • The vehicle's owner is responsible for ensuring that the vehicle's condition complies with the regulations. • The tractor’s handling, steering and braking characteristics differ depending on whether or not the trailer is loaded. The driver must adapt to changing driving characteristics. •...
  • Page 18 Wheels and tyres. • To ensure optimal operational safety, the wheels and tires of the machine must be checked regularly. • Check that all the tyres have the correct air pressure. • Wheel rims must be checked regularly for signs of damage. If the condition of the tyre or wheel no longer allows full operational safety, it must be replaced.
  • Page 19 OPERATION TAKEN FROM THE "KÖR ÅT SKOGEN RÄTT OCH SÄKERT [CORRECT AND SAFE FOREST OPERATIONS]" BOOKLET PUBLISHED BY THE SWEDISH UNIVERSITY OF AGRICULTURAL SCIENCES" Most accidents occur due to toppling over or if the tractor turns over. The worse the terrain is or the greater the load, the greater the risk of an accident.

  • Page 20: Loading Work

    LOADING WORK Basic operation If you are not accustomed to using a grapple loader, you should first practice basic crane operation movements. Exercises that shorten the learning time are set out below. The timber trailer's stabilisers must be used during all loading and unloading work. The ground under the stabilisers must be level and stable as there is a risk of overturning when working on slopes.
  • Page 21 STARTING THE ENGINE 1. Fill with petrol. Do not overfill! We recommend you use alkylate petrol. 2. Check engine oil level. Top up if necessary. 3. Connect the hydraulic hoses, connect the PRESSURE and RETURN hoses. 4. Turn button to "ON" 5.

  • Page 22: Changing The Oil

    CHANGING THE OIL Use an approved container for oil when changing the oil. Used oil should be disposed of in the designated place at the correct recycling station. Contact your local authority for more information. • Make sure that the machine is level and cannot tip over. •...
  • Page 23 After 200 hours of After 10 hours of After 50 hours of driving or every two CONTROL OR MAINTENANCE driving driving years Lubrication of all joints. Lubrication of slewing housing. Check the oil level in the hydraulic system. Check the oil level in the engine. Check hoses/hose protection.

  • Page 24: Care Instructions

    CARE INSTRUCTIONS R10-30204 Outer wheel bearing 1. Do not overload the rig. Overloading significantly decreases the service life of your equipment. 2. After changing a wheel, check that the wheel nuts are secure after a few miles of driving. Use copper paste or similar on threads to facilitate future maintenance.

  • Page 25: Working Conditions

    ROTATOR Usage restrictions (Safety instructions when working) • Check the rotator's maximum permitted load and the load weight. • Do not overload the rotator! • Make sure the hydraulics have reached working temperature. • Check movement speeds and directions as well as control lever function. •...

  • Page 26: Service And Maintenance Instructions

    ROTATOR'S DUCT When connecting the hydraulics, it should be noted that the maximum pressure in the pressure duct is 200 bar and that the marked duct in the rotator's upper cover (upper duct) and the axle must be linked to the opening side of the cylinder on the lifting equipment, e.g. a grapple. When the grapple opens, it should be noted that the cylinder movement does not extend fully to keep the duct under pressure as this pressure is an unnecessary load on the rotator.
  • Page 27 EXPLODED DIAGRAM ROTATOR ITEM NO. DESIGNATION QUANTITY ITEM NO. DESIGNATION QUANTITY Bolt Spring Lower bearing Wing housing Seal Axle seal Plug Seal Spacer Bearing Plug O-ring Upper housing Axle diam. 40 Table of contents >>...
  • Page 28 LENGTH ADJUSTMENT, BOGIE, WITH DRIVE The position of the bogie on the trailer can be adjusted to a maximum length between the headboard and the end of the bogie attachment to 125 cm, see figure below. Make sure that the four screws (1) with lock nuts are tightened properly when reassembling. Important! Hydraulic hoses are bound together in the box.
  • Page 29 LENGTH ADJUSTMENT BOGIE WITHOUT DRIVE (from August 2021) Delivery mode. See position of bogie. NOTE The trailer must NOT be used in this position. Pull the frame apart. Run mode. 1. Loosen the bolt, see figure above. 2. Pull the frame apart. 3.
  • Page 30 EXPLODED VIEW – CRANE ITEM NO. DESIGNATION Slewing house Rotation cylinder Lifting cylinder Lifting arm Cylinder – Outer boom Articulated joint – middle part Folding joint – End Articulated boom Rotator bracket Banjo screw Tower - complete Table of contents >>...
  • Page 31 TECHNICAL DATA 21-GL42 Crane reach [mm] 4200 Grapple (width) [mm] Gripping area [m ²] 0.09 Rotator weight between articulated boom & rotator [kg] Torque [kNm] System pressure [Mpa] Oil volume – slewing house [L] Crane weight incl. grapple and rotator[kg] Table of contents >>...
  • Page 32 Table of contents >>...
  • Page 33 LIFTING CAPACITY 21-GL42 Table of contents >>...

  • Page 34: Hydraulic Oil Flow

    PINS 21-SV20/GL42 25x110 25x105 25x95 25x86 25x105 25x95 20x74 45x99 30x128 25x126 HYDRAULIC OIL FLOW Oil pump Oil pressure: 160 mPA (160 bar) Oil flow 7.56 litres/min Hydraulic hoses – Extension from valve block to rotator ROTATOR/GRAPPLE LENGTH CONNECTION CONNECTION QUANTITY DESCRIPTION [mm]...
  • Page 35 HYDRAULIC DIAGRAM SV20/GL42 STABILISER 21-VP8-25-2S STABILISER GRAPPLE CYLINDER EXTEND LIFTING CYLINDER ROTATOR BOOM ROTATION CYLINDER RETURN PRESSURE Table of contents >>...
  • Page 36 LEVER SYMBOLS AND FUNCTION 8 SECTION VALVE [2-lever] THE LEVERS ARE OPERATED WHEN STANDING BEHIND THE TRACTOR FACING THE TRAILER. LEVER IS PUSHED AWAY FROM THE DRIVER Extend Stabiliser Stabiliser Gripped OPEN ROTATE ROCKER ARM EXTEND LEFT RIGHT GRAPPLE ROTATOR LIFTING ARM STABILISER STABILISER...
  • Page 37 HYDRAULIC DIAGRAM SV20/GL42 ROTATOR 21-VP8-25-FS EXTEND GRAPPLE CYLINDER BOOM CYLINDER LIFTING CYLINDER STABILISER CYLINDER STABILISER CYLINDER ROTATION CYLINDER RETURN PRESSURE Table of contents >>...
  • Page 38 Table of contents >>...
  • Page 39 VALVE-BLOCK 21-VP8-25-FS Fits Kellfri’s range. TECHNICAL DATA 21-VP8-25-FS Normal flow 35 l/min 9 [gpm] Working pressure 140 bar 2,030 psi Max. pressure 320 bar 4,700 psi Working temperature: -20/+80 [ºC] -4/+176 [ºF] Surface protection Zinc plating Weight -- [kg] -- [lbs] Max.
  • Page 40 VALVE-BLOCK 21-VP2-25-FS Fits Kellfri’s range. TECHNICAL DATA 21-VP2-25-FS Normal flow 17 l/min 4.5 [gpm] Working pressure 175 [bar] 2,538 psi Max. pressure 320 bar 4,700 psi Working temperature: -20/+80 [ºC] -4/+176 [ºF] Surface protection Zinc plating Weight 2,78 [kg] 6.12 [lbs] Max.
  • Page 41 VALVE-BLOCK 21-VP3-25-FS Fits Kellfri’s range. TECHNICAL DATA 21-VP3-25-FS Normal flow 17 l/min 4.5 [gpm] Working pressure 175 [bar] 2,538 psi Max. pressure 320 bar 4,700 psi Working temperature: -20/+80 [ºC] -4/+176 [ºF] Surface protection Zinc plating Weight 4.5 [kg] 9.9 [lbs] Max.
  • Page 42 GREASE POINTS, CRANE Table of contents >>...
  • Page 43 DEVIATION FORM We are grateful for your help in pointing out any defects in the product supplied to you by Kellfri. Before making a claim, read Kellfri’s general purchase terms and conditions in our catalogue or on our website www.kellfri.co.uk, and in the operating manual if supplied.

  • Page 44: Warranty Terms And Conditions

    You are always welcome to give feedback or ask us about our equipment and products. Kellfri AB has a policy of continuous product development and therefore reserves the right to make modifications, e.g. to the design and appearance of the product, without prior notice.

This manual is also suitable for:

21-sv20.60021-sv20.120021-sv20.700

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