AVANT Backhoe 220, Operator'S Manual

Page 1: ... equipment and follow all instructions Keep this manual for later reference Operator s Operator s Operator s Operator s manual for Attachment manual for Attachment manual for Attachment manual for Attachment Backhoe 220 250 Product number 400 700 series loaders A21172 A21155 ...

Page 2: ...ing symbols to indicate factors that must be taken into account to reduce the risk of personal injury or damage to property This safety symbol refers to important safety information in this manual It warns of an immediate hazard that could cause serious personal injury or damage to property Read the warning text accompanying the symbol carefully and ensure that other operators are also familiar wi...

Page 3: ... to the equipment or directly from the driver s seat when the control valve unit is mounted on the loader boom A comprehensive range of buckets is available for various jobs Also a grading bucket with hydraulic tilting is available for which the backhoe is equipped with necessary components as standard The use of the backhoe as a lifting crane is prohibited due to a risk of tipping the loader back...

Page 4: ... during storage See section 5 Shut down the loader engine before any cleaning maintenance or adjustments Ensure that the backhoe is supported properly supported when going near the attachment Do not modify the structure of the attachment in a manner that would affect its safety Also read the safety instructions for the loader in the loader manual Note that the backhoe and the loader boom move down...

Page 5: ...ation Replace damaged or missing decals with new ones A46771 Read the instructions before use A46772 Do not go under a raised attachment keep a safe distance from raised or freestanding equipment A46803 Crushing hazard keep clear of moving parts A46797 Crushing hazard in the reach area of the backhoe keep bystanders away from danger area A46771 A46772 A46803 A46797 5 Assembly of the backhoe The ba...

Page 6: ...hers and nuts 5 1 2 Mounting the lower adapter brackets for hydraulic locking The backhoes are hydraulically locked to the front frame of the loader by the brackets which are turned against the underside of the loader Before putting the backhoe into service the lower adapter brackets must be mounted The locking adapters see figures on the right and below are mounted to below the quick attach plate...

Page 7: ...ed To make it easier to mount the assembly kit lift the loader boom and mount the service support of the loader boom Take up the items shown in the adjacent figure Use the service support of the loader boom during installing of the valve mounting bracket Remove the pin holding screw from the upper end of the loader boom shown in the left figure Mount the holding bracket on the boom and replace the...

Page 8: ...ked in the upper position Ensure that the hydraulic hoses are not in the way during installation Step 2 Turn the quick attach plate hydraulically to an obliquely forward position Drive the loader onto the attachment If your loader is equipped with a telescopic boom you can utilise this Step 3 Lift the boom slightly pull the boom control lever backward to raise the attachment off the ground Turn th...

Page 9: ...in the backhoe and the bucket and the backhoe booms will lower to a stable position 10 Open the quick coupling and take the backhoe off from the loader 5 3 Connecting and disconnecting the hydraulic fittings Before connecting or disconnecting hydraulic fittings shut down the loader engine and move the auxiliary hydraulics lever on the loader to its extreme positions a few times and also move the c...

Page 10: ...ation tasks and constant changing of location it is advisable to mount the control valve on the bracket on the loader boom that is included in the installation kit of the backhoe The backhoe may be operated from the control position next to it in tasks demanding accuracy or when visibility is hindered or when using the backhoe only for a little while Move the control valve back to its place on the...

Page 11: ...cidentally operated so that accidental movement of the backhoe may create a hazardous situation Never go under a raised boom or the attachment The backhoe components and the loader boom move down even if the engine has been stopped 6 1 Using the outriggers The backhoe is equipped with outriggers which are intended to stabilize the backhoe during digging and moving material to the sides Using the b...

Page 12: ...r boom while the locking is engaged Open the hydraulic locking before using the boom control lever 6 3 Digging with the backhoe Check the operating area before starting to work Ensure that there are no other persons at the work site Do not allow others closer than five meters from the backhoe near the danger area of the boom or directly in front of the backhoe Make sure that it is safe to dig at t...

Page 13: ...movements to their extreme positions When lifting a load from a high level the loader could tip forward when reversing with the loader Do not reverse the loader while simultaneously dragging the load Make sure that the loader can lift and handle the load being lifted Drive carefully on rough terrains and keep the load as low and as close to the loader as possible Do not use the backhoe without the...

Page 14: ...cate the lubrication points on the attachment after washing Do not let water to stay in the bucket For longer storage periods touch up the paint where needed grease the lubrication points and oil the visible parts of hydraulic cylinder shafts to prevent rust damage Do not store the attachment directly against the ground place it on blocks of wood or on a pallet for example 7 2 Lubricating The lubr...

Page 15: ...rformed at the factory The factory replaces any defective components or consumables The factory may reimburse the price of components purchased by the customer in special cases that have been agreed in advance The warranty does not cover Normal maintenance work such as the replacement of blades or the belts or parts and consumables required for it Damages caused by unusual operating conditions or ...

Page 16: ...irective directive 2006 42 EC as amended The following harmonized standards have been applied SFS EN ISO 12100 1 SFS EN ISO 12100 2 SFS EN 982 SFS EN 474 4 Wir erklären hiermit dass die nachstehend aufgeführte Maschine konform ist mit den Bestimmungen der EG Maschinenrichtlinie EG Richtlinie 2006 42 EG mit Änderungen Die folgende harmonisierte Normen wurden angewandt SFS EN ISO 12100 1 SFS EN ISO ...

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