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English Timber grab, heavy duty 2020 1 Operator's Manual for Attachment Timber grab, heavy duty Product number A438973 www.avanttecno.com A440782 2020 1 EN 2019-...
Timber grab, heavy duty 2020 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 ............................9 Personal protective equipment ..........................9 4.
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.
5 (28) 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!”...
2. Designed purpose of use The AVANT Heavy duty timber grab is an attachment that is designed and manufactured to be used with AVANT multi-purpose loaders that are shown in Table 1. The Timber grab is intended for lifting and stacking of tree trunks, branches, or other similar materials.
7 (28) 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.
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8 (28) Drive slowly and carefully on inclined terrain or slippery surfaces. Avoid sudden changes in speed or direction to maintain balance of the loader especially on uneven surfaces or hills. Keep the loader articulation in straight position when handling heavy loads. When WARNING turning the articulation, the loader may tilt forward.
9 (28) 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.
280 kg As restricted by the loader model, see operator’s manual of the Maximum allowed load: loader Recommended input of hydraulic 10-20 l/min energy: Maximum input of hydraulic energy: 30 l/min, 20 MPa (200 bar) Suitable AVANT loader: See Table 1...
11 (28) 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.
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A46803 Crushing hazard, moving components. Keep clear of moving components. A440279 Attachment identification plate Table 4 - Main components of the timber grab Frame with Avant quick coupling brackets Grapple Opening cylinder Rotator Grapple pivots Control valve Gripping edge Gripping edge...
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 quick attach plate locking pins up and turn them backwards into the slot so that they are locked in the upper position.
5.1 Connecting and disconnecting hydraulic hoses On Avant loaders the hydraulic hoses are connected using the multi connector system. If you have an Avant 300-700 series loader with the conventional quick couplers and wish to change to the multi connector system, contact your Avant dealer or service point for instructions or installation services.
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15 (28) 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.
16 (28) 5.2 Electric connection Electric functions of the attachment: If the timber grab is equipped with the hydraulic rotator, its cable harness must be connected to the loader. The hydraulic rotator can be controlled with the standard electric harness that is supplied with the attachment, or with the Attachment control switch pack of the loader.
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17 (28) If your loader is equipped with the attachment control switch pack, and the loader is manufactured after 2016: If the loader is equipped with the attachment control switch pack, and the electric socket integrated in the multiconnector, the electric harness of the attachment is connected when the multiconnector coupled.
18 (28) 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. Risk of tipping over - Avoid overload.
19 (28) 6.1 Checks before use Check the operation of the grab before each work shift, and that the grab joints are intact and work as intended. Ensure that bystanders are at a safe distance when operating the equipment. Do not let anyone to ...
20 (28) 6.3 Operating the timber grab Risk of serious personal injuries - Unexpected starting. Ensure that the loader and attachment are used in a safe manner and as intended. Do not allow children to operate the machine. WARNING Operate the controls of the loader and its boom in a careful and smooth manner - Risk of falling load.
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21 (28) Gripping edge The Heavy duty timber grab is equipped with extra gripping edge as shown in the figure below. The gripping edge is used for pushing logs down. Around the tube of the gripping edge is possible to bind a strap e.g. for lowering branches from the log being cut.
22 (28) Switches of the Attachment control switch pack with Opticontrol ® 1. Not in use with this attachment 2. 2-way selection switch: Use for rotating the attachment to the left or to the right. 3. Not in use with this attachment Use the red and blue pushbuttons on the joystick or the auxiliary hydraulics control lever to open and close the grapple.
23 (28) 6.6 Storing the timber grab 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. Avoid leaving the attachment laying directly on the ground. Place it on blocks of wood or on a pallet, for example.
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...
25 (28) 7.2 Cleaning and lubricating A pressure washer and mild detergent can be used to clean the attachment. Do not use strong solvents or spray directly at any hydraulic component. Also mind the labels on the attachment. Lubricate the lubrication points on the attachment after washing.
26 (28) 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.
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SFS-EN ISO 12100, SFS-EN ISO 4413 Mallit / Modeller / Models Avant Hydraulitoiminen puutavarakoura; Avant-kuormaajan työlaite Hydraulisk Timmergrip; arbetsredskap för Avant lastare A438793 Hydraulic Timber grab; attachment for Avant loaders 25.2.2020 Ylöjärvi, Finland Risto Käkelä, Toimitusjohtaja / Verkställande direktör / Managing Director...
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