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Summary of Contents for AVANT A438282
- Page 1 English Stump grinder 2024 1 Operator's Manual for Attachment Stump grinder Product number A438282 www.avanttecno.com A441270 2024 1 EN 2023-...
- Page 2 Stump grinder 2024 1...
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Page 3: Table Of Contents
Stump grinder 2024 1 CONTENTS 1. FOREWORD ............................4 Warning symbols used in this manual ........................... 5 2. DESIGNED PURPOSE OF USE......................6 3. SAFETY INSTRUCTIONS FOR USING THE ATTACHMENT ............7 Safe shutdown procedure ............................10 Personal protective equipment ..........................10 4. -
Page 4: Foreword
If you sell or transfer the equipment, be sure to hand over this manual to the new owner. If the manual is lost or damaged, you can request a new one from your Avant dealer or from the manufacturer. -
Page 5: Warning Symbols Used In This Manual
5 (40) Warning symbols used in this manual The following warning symbols are used throughout this manual. They indicate factors that must be taken into account to reduce the risk of personal injury or damage to property: WARNING SAFETY ALERT SYMBOL This symbol means: “Warning, be alert! Your safety is involved!”... -
Page 6: Designed Purpose Of Use
A separate spare parts catalogue may be available, consult your Avant dealer. Familiarise yourself with the manual's instructions regarding service and maintenance. Please contact your AVANT dealer if you have additional questions about the operation or maintenance of the equipment, or if you require spare parts or maintenance services. -
Page 7: Safety Instructions For Using The Attachment
7 (40) 3. Safety instructions for using the attachment Please bear in mind that safety is the result of several factors. The loader-attachment combination is highly powerful and improper or careless use or maintenance may cause serious personal injury or property damage. - Page 8 8 (40) Risk of crushing - Never go or allow anyone else to go under the load, the loader boom or the attachment. The stability of the loader may change when leaving the driver’s seat, leading to tipping over of the machine. Always remember that the boom may lower unexpectedly due to loss of stability, mechanical fault, or if another person operates the controls of the loader, leading to crushing hazard.
- Page 9 9 (40) Risk of entanglement and crushing - Stop the attachment before cleaning or removing blockages. The attachment can start to rotate immediately after a blockage is removed. Always follow the safe stopping procedure to prevent all rotating parts from DANGER moving when clearing a blockage.
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Page 10: Safe Shutdown Procedure
10 (40) 3.1 Safe shutdown procedure Safe stopping of the attachment, before going near the attachment: Always stop the attachment following safe stopping procedure before leaving the driver's seat. Safe stopping procedure prevents all unintentional movements of the attachment. Note that the loader boom can move down even if the engine of the loader is turned off. -
Page 11: Technical Specifications
Recommended input of hydraulic energy: 40-60 l/min, max 20,0 MPa (200 bar) 75 l/min, 22,5 MPa (225 bar) Maximum input of hydraulic energy: Not for continuous use Compatible AVANT loader models: See Table 1 on page Options Auxiliary cooler: A454526... -
Page 12: Safety Labels And Main Components Of The Attachment
12 (40) 4.1 Safety labels and main components of the attachment Listed below are the labels and markings on the attachment. They must be visible and readable on the equipment. Replace any unclear or missing label. New labels are available via your retailer or contact information provided on the cover. - Page 13 A452806 Hydraulic oil flow 60 l/min A438354 Attachment identification plate Table 4 - Stump grinder - Main components Frame with Avant quick coupling brackets Grinding disc Tool holders (20 pcs) Hydraulic motor Bearing Vibration dampening frame Rubber protective guard...
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Page 14: Lifting
14 (40) 4.2 Lifting Make sure that the attachment is properly secured against unintended movements during lifting operation. Use appropriate type of lifting accessories, lifting straps, chains or hooks, for example. Do not use lifting accessories if there are signs of damage, deformation, or otherwise unsafe conditions. -
Page 15: Attaching The Attachment
Do not stay in the area between the attachment and the loader. Mount the attachment only on level surface. WARNING Never move or lift an attachment that has not been locked. Avant quick coupling system: Step 1: Lift the locking pins of the quick coupling plate of the loader up, and turn them backwards into the slot, so that they are locked in the upper position. -
Page 16: Connecting And Disconnecting Hydraulic Hoses
5.1 Connecting and disconnecting hydraulic hoses On Avant loaders the hydraulic hoses are connected using the multi connector system. If you have an older model Avant 300-700 series loader with the conventional quick couplers, and you want to change to the multi connector system, contact your Avant dealer or service point for instructions or installation services. - Page 17 17 (40) Keep all fittings as clean as possible; use the protective caps on both the attachment and the loader. Dirt, ice, etc. may make using the fittings significantly more difficult. Never leave the hoses hanging on the ground; place the couplings onto the holder on the attachment.
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Page 18: Installation Of Auxiliary Hydraulic Cooler
The manufacturer or it’s representative are not responsible for damages, losses or injuries resulted from incorrect or incomplete installations. Contact your nearest Avant dealer or service point, if you have any additional questions or require installation services. - Page 19 The following safety procedures and general safety principles regarding hydraulic systems must be followed. Contact your Avant dealer or service point for more information or installation services. Protect the environment from leaking of hydraulic oil and prevent oil from draining on the ground.
- Page 20 20 (40) Before handling hydraulic assemblies: 1. Allow the hydraulic systems of the loader and of the attachment to cool down completely before any work on hydraulic systems. 2. Make sure that the loader boom or any other part of the attachment can’t move causing crushing or pinching hazards: Lower the loader boom to its lower position and lower the attachment firmly on ...
- Page 21 21 (40) Test to find any leaks Before checking for leakages, or going near any hydraulic fitting, to avoid possible ejection of pressurized hydraulic oil: Shut down the loader engine Depressurize the hydraulic system completely DANGER Wipe the hydraulic components clean to find leaks more ...
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Page 22: Auxiliary Cooler
22 (40) 5.2.2 Auxiliary cooler To install the auxiliary cooler: 1. Drill two holes diameter of 12 mm on the frame of the stump grinder as shown in the adjacent figure. 2. Install the cooler on the frame of the stump grinder with bolts 74506 (2), washers 73121 (3) and nuts 72322 (4). -
Page 23: Electric Connection
23 (40) 5.3 Electric connection Electric functions of the attachment: As option, the Stump grinder can be equipped with a hydraulic auxiliary cooler which has an electric fan. The cooler can be controlled with the standard electric harness that is supplied with the attachment, Opticontrol®, or the Attachment control switch pack of the loader. - Page 24 24 (40) If your loader is equipped with the Opticontrol ®, the Attachment control switch pack, and the loader is manufactured after 2016: electric socket integrated multiconnector, electric harness attachment is connected when the multiconnector is coupled. Clean both multiconnectors before connecting the multiconnector.
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Page 25: Instructions For Use
25 (40) 6. Instructions for use Practise the use of the attachment and the controls of the loader in a safe area. If you are unfamiliar with the particular loader model, it is recommended to practice its use without any attachments. Hazard of thrown objects - Keep bystanders away. -
Page 26: Safety Distance
26 (40) 6.1 Safety distance The minimum safety distance from the attachment metres. Stop attachment immediately if bystanders get within the safety distance. Do not let bystanders get any closer than 5 metres from the attachment. Exposed blades can throw material at very high speed, creating serious danger to the operator and any person also at a distance of up to 30 m from the... -
Page 27: Check The Operating Area
27 (40) 6.2.1 Check the operating area Check that the tree stump is cut to a short length. Stump grinder is intended to remove only the last bit of the tree. Check for possible rocks or debris around the tree stump. ... -
Page 28: Using The Stump Grinder
28 (40) 6.4 Using the stump grinder Correct work position After you have attached the stump grinder as described in this manual and you have made all pre-work checks, position the Stump grinder just above a tree stump, as shown in the adjacent figure. Using the telescopic boom of the loader If your loader is equipped with a telescopic boom, you can utilize it for a better view to... - Page 29 29 (40) Auxiliary hydraulics control Moving the auxiliary hydraulics control lever towards its locking position will start the stump grinder. You can also use the buttons of the electric joystick (optional equipment). Correct direction of rotation is counter-clockwise, when seen from the driver's seat.
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Page 30: Preventing And Clearing Blockages
30 (40) 6.5 Preventing and clearing blockages Keeping the rotating speed sufficiently high on demanding conditions is essential to avoid blockages. Wet wood waste can get coiled around the cutting disc shaft. Keep the equipment clean, so that material will not stick on it. -
Page 31: Operation With A Tilt Adapter
31 (40) 6.8 Operation with a tilt adapter The attachment is not intended to be used with a tilting adapter fitted in between the attachment and the quick coupling plate of the loader. The attachment must be coupled directly to the quick coupling plate of the loader. 6.9 Auxiliary hydraulic cooler (option) Using the auxiliary cooler with Opticontrol®... -
Page 32: Storage
32 (40) Risk of tipping over - Keep the loader stable. Always transport the attachment as low and close to the ground as possible. Keep the telescopic boom retracted during transport drive. WARNING 6.11 Storage Uncouple and store the attachment on level ground. The best way to store the attachment is a place where it is protected from direct sunlight, rain, and extreme temperatures. -
Page 33: Maintenance And Service
Finding any fault means that the hydraulic hose or component must be replaced and the equipment must not be used until it is repaired. Spare parts are available from your nearest AVANT retailer or authorised service point. Leave the repair work to professional service technicians, if you don’t have adequate knowledge and... -
Page 34: Cleaning And Lubrication
34 (40) 7.2 Cleaning and lubrication Clean the attachment regularly to prevent accumulation of dirt which is more difficult to remove. A pressure washer and mild detergent can be used for cleaning. Do not use strong solvents, and do not spray directly at the hydraulic components, or at the labels on the attachment. -
Page 35: Cutting Disc Maintenance
35 (40) 7.4 Cutting disc maintenance The condition of the cutting disc should be checked at least after every few uses. The teeth wear down in normal use and can get damaged if hitting a rock or hard surface. If the performance of the grinding has decreased from the original, the cutting teeth have probably become blunt. -
Page 36: End Of Life Disposal
36 (40) If the teeth have worn down excessively, they must be replaced. Always use good protective gloves when handling the cutting disc. Check that the cutting disc is balanced to avoid damage to other components. Repair the cutting disc, if you notice any abnormal vibration or noise. Contact service for assistance. 7.5 End of life disposal When the attachment is at the end of its useful life, recycle and dispose the attachment properly. -
Page 37: Warranty Terms
37 (40) 8. Warranty terms Avant Tecno Oy grants a warranty of one year (12 months) from the date of purchase for the attachment it manufactures. The warranty covers repair costs as follows: Work costs are covered, if the repair is not performed at the factory. - Page 38 SFS-EN ISO 12100, SFS-EN ISO 4413 Mallit / Modeller / Models Avant Hydraulitoiminen kantojyrsin; Avant-kuormaajan työlaite Hydraulisk stubbfräs; arbetsredskap för Avant lastare A438282 Hydraulic stump grinder; attachment for Avant loaders 6.5.2024 Ylöjärvi, Finland Jani Käkelä, Toimitusjohtaja / Verkställande direktör /...
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