Introduction Foreword AVANT TECNO OY wants to thank you for purchasing this AVANT loader. It is the result of Avant’s long experience in design and manufacturing of compact loaders. We ask you that you read and understand the contents of this manual completely before operating the loader. This operator’s manual is intended to help you to: ...
Safety First Avant 850 Make sure all relevant manuals are available Wrong use of the equipment can cause death or severe injuries - Make sure to read all relevant manuals and instructions thoroughly and keep them available for all operators.
Safety First Intended use Avant 850 is an articulated compact loader, designed and manufactured for both private and professional use. The loader can be equipped with attachments offered by Avant Tecno Oy, which enables performing several different jobs. Because of this multi-purpose nature of the machine and the various attachments and tasks, read always not only this Manual but also the Operator's Manual of the attachment, and follow all instructions.
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Safety First Avant 850 Operator qualification Only operators who have studied this manual, and all relevant attachment manuals, are allowed to use this loader. Regardless of your possible earlier experience with lawn-mowers, loaders, ATVs, or other equipment, it is important that you learn the driving principle of this loader. Practice how to operate the loader and its attachments safely at an open area before you use the loader near other persons.
Safety First Avant warranty This warranty specifically applies to the AVANT 850 loader only and not to any attachments used with this product. Any repairs or modifications performed without the prior authorisation of Avant Tecno Oy will cancel this warranty.
Safety First Avant 850 Safety First Incorrect or careless use of the loader can cause a serious accident. Before you operate the loader, familiarise yourself with the correct use of the loader. Read and understand this Operator's Manual, as well as all relevant safety instructions, local regulations, and DANGER safe working practices.
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Avant 850 Safety First Keep the engine area clean of combustible Falling of persons - Risk of materials. Materials such as dirt, hay, or dust crushing. Never use the loader or cause a risk of fire. its attachments to lift or carry...
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Safety First Avant 850 Risk being crushed Avoid pinching hazard for legs - moving loader - Engage parking Do not turn the steering wheel brake before working near the while standing near the loader. WARNING CAUTION loader. Follow safe stopping...
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Avant 850 Safety First Suffocation hazard - Ensure ventilation Hot exhaust gas Suffocation hazard - Ensure Extremely hot exhaust gas and ventilation. Engine exhaust exhaust pipe - Never run the contains, among other pollutants, DANGER engine, or park the loader after...
Safety First Avant 850 Handling of heavy loads Whenever you handle heavy loads or heavy attachments: Handle heavy loads Always handle heavy loads only on firm, level attachments with care - Risk of ground while you drive slowly with the loader.
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Avant 850 Safety First Load sensor system: Risk of overturning - Articulated frame. Turning articulated frame The loader is equipped with a load sensor system. It gives an audible warning signal and at the same time can lead to overturning of the...
Safety First Avant 850 Operation on uneven surfaces, Risk of tipping over on uneven gradients, and near excavations ground - Drive slow on inclined surfaces. Always keep loads close to the ground. Keep the Uneven ground can cause the WARNING...
Avant 850 Safety First Whenever you operate the loader on uneven Personal safety and protective ground keep the following in mind: equipment Handle heavy loads only on even surfaces. Lifting a load or turning Wear safe clothing personal protective on uneven surfaces can cause equipment.
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Safety First Avant 850 Safety frame (ROPS) and safety Stay within the space protected by canopy (FOPS) the ROPS safety frame. Always The loader is equipped with a Rolling Over Protective keep seat belt on to stay on WARNING Structure (ROPS) and a Falling Object Protective driver's seat and to avoid getting structure (FOPS).
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Avant 850 Safety First Falling objects protection system Working near powerlines (FOPS) Electrocution hazard - Stay away Understand the limitations of the Falling Object Protective structure (FOPS). The loader is equipped from electric cables. Contact with with a Level 1 FOPS, which gives protection against...
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Safety First Avant 850 Safety of digging Contact local authorities before digging Digging may expose buried electric cables, and some attachments may make it possible to reach At some areas you may be obligated to contact overhead powerlines with the loader, creating hazard relevant authorities before digging ground.
Avant 850 Safety First Electric system and handling of the battery Always handle the battery with care. Follow the Lead warning - Wear protective safety instructions given below. The battery of the gloves. Battery and its terminals 12 V electric system of the loader is located at the contain lead, a harmful substance rear frame on the right side of the engine.
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Safety First Avant 850 Fire prevention Battery disconnect switch Clean the loader to avoid build-up of flammable The loader is equipped debris, such as dust, leaves, hay, straw, etc. with battery There are many parts of the diesel engine that disconnect switch.
Avant 850 Description of the loader Description of the loader Identification of the loader Write down the identification information of your loader in the following fields, it facilitates ordering of spare parts etc. Loader model Loader serial no. Manufacturing week and year Engine serial no.
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Description of the loader Avant 850 Loader identification plate: Loader identification plate is located near the steering wheel on machines with ROPS canopy and cab L. On loaders that are equipped with a cab the ID plate is located near the drive pedals.
Avant 850 Description of the loader Main parts of the loader The following picture shows the main parts of the loader. These general parts are the same regardless of the cab type. 1. Front frame 6. Auxiliary hydraulics outlet On the front frame are mounted: driver’s seat,...
Description of the loader Avant 850 Signs and decals Shown in the figure below and listed on the following page are the labels and markings, which must be visible on the equipment. Replace any warning label which has become unclear, or has detached completely. New labels are available via your retailer or contact information provided on the cover of this manual.
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Avant 850 Description of the loader Table 2 - List of safety labels and markings on the loader Label Location Panel in front of driver's seat Product code A441476 Symbol Safety message WARNING Wrong use, misuse, or careless use can cause hazards that could be prevented with following the instructions properly.
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Exposure to noise can damage hearing. Wear protective gloves which have good grip. Wear safety boots with good grip and feet protection. Label Message CAUTION On Avant 850 Stop before using the parking brake and before changing the drive speed range. Changing drive speed...
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Avant 850 Description of the loader Label Message WARNING Location Risk of tipping over to the side when Panel near driving on uneven ground and when steering driving at high speed, or with heavy load. wheel Keep loads close to the ground...
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Description of the loader Avant 850 Label Message DANGER Location Lowering of loader boom can crush, Boom, on both sides causing death or serious injury. Product code Keep out from the danger zone of the loader and its attachments. A417273 (2 pcs)
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Avant 850 Description of the loader Table 3 - Safety labels in engine bay Label Message DANGER Location Risk of burns from eruption of hot Engine steam and boiling water - Never compartment, on open coolant reservoir when engine engine coolant is hot.
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Description of the loader Avant 850 Table 4 - Additional decals on loaders equipped with a cab Label Message EMERGENCY EXIT Location Use the window hammer to break On cab GT: glass. Make sure the safety hammer is Right window available for emergency use.
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Avant 850 Description of the loader Table 5 - Information labels Label Message ROPS/FOPS Approval, on Location loaders with ROPS frame or CAB L. ROPS frame, inside Product code A437160 CAB GT ROPS/FOPS approval Location label, on loaders with cab GT.
Description of the loader Avant 850 Technical specifications Dimensions Height and width Tyre Width Height General dimensions With standard wheels 380/55-17” TR 1490 mm 2200 mm Length 3395 mm Width 1490 mm (with standard tyres) Height with cab Height 2200 mm (with standard tyres)
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Avant 850 Description of the loader General information Model AVANT 850 Earth-moving machinery / Loader / Category Compact loader EN ISO 6165 Product code A435321 Drive system hydrostatic, 2 speed ranges Tipping load ISO 14397-1 1900 kg Load on a pallet, lifted from the ground...
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Description of the loader Avant 850 Engine specifications - 850 Engine specification Avant 850 Engine make and type Kubota V2403 Emissions level EU: 97/68/EC Stage IIIA Operating principle 4-stroke, OHV, diesel injection Engine RPM 1000 rpm - 2700 rpm Fuel...
Engine oil requirements Use only engine oil recommended by the engine manufacturer. Choose the viscosity grade according to ambient temperature. Kubota Engines (Avant 850) Use only high quality engine oil with the viscosity rating recommended by the engine manufacturer with API service class SJ or higher. See also Kubota Operator’s Manual.
Replace tyres if there are visible damages on the tyre or rim, or if the wear surface of the tyre has worn, or if there are visible differences between the tyres. Always use the same size of tyres on all wheels. Tyre options for Avant 850 Tyre Tread...
Avant 850 Description of the loader 1 and 2 pump selection switch When the loader is equipped with ballasted tyres, the following symbol must be applied to a visible location Some attachments require high flow of hydraulic oil on the loader frame near tyres. If you replace the...
Lift capacity Avant 850 Lift capacity Tipping load is the load at which the rear tyres lose The lifting capacity and the stability of the loader contact with the ground and the loader begins to tip are at the best, when: forward.
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Avant 850 Lift capacity To estimate the load carrying capacity of the Load charts of other attachments loader In this manual there is only a load chart for the pallet There are two representations of the tipping load in forks A36589. All Avant attachments have their own...
Lift capacity Avant 850 Risk of tipping over - Observe Load indicator the load indicator warning. When The loader is equipped with a load sensor system. load indicator warning WARNING When tipping load is being approached, the system triggered, there is high risk that the gives an audible warning signal and a red indicator loader will start tipping forward.
Avant 850 Lift capacity Rated operating capacity To easily determine how much load the loader can The ROC table is valid, when: handle safely, a table of the tipping load and a The ground is firm and level calculated Rated Operating Capacity (ROC) is ...
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Lift capacity Avant 850 Rated operating capacity label A441493, in kilograms Load chart on the left side of the label: Different positions of the loader boom, columns in the table: The graphic on the left side of the label shows the...
Avant 850 Lift capacity Tipping load - Load diagram Load diagram Load diagram 850 With the diagram the load handling capability of the loader can be evaluated, according to the distance between the centre of gravity of the load and the front axle of the loader.
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Lift capacity Avant 850 How to estimate actual lifting capacity The actual tipping load and stability of the loader depends on many factors that you must consider when you handle heavy loads or attachments. Listed in the table below are many factors that influence the stability of the loader.
Avant 850 Controls and options of the Loader Controls and options of the Loader This chapter describes the location and function of the controls of the loader. The location and function of controls may be slightly different in different models and cab versions. See the following pages for information about the controls and the options of the loader.
Controls and options of the Loader Avant 850 Overview of controls Reference Page Dashboard Ignition switch Gauges on the dashboard Control lever of boom and bucket Switches on the dashboard Boom telescope control lever Extra auxiliary hydraulics control lever Control switches on the panel...
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Avant 850 Controls and options of the Loader Switches on the panel The number of the additional control switches depends on which options have been installed on the loader. The position and order of switches may be different than shown in this chapter.
Controls and options of the Loader Avant 850 Dashboard The dashboard at the right side of the driver’s seat Switches and gauges includes gauges, indicator lights, and switches for controlling the loader. There are two versions of the Switches on the dashboard: dashboard depending on which cab is installed on the loader, with slightly different features.
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Avant 850 Controls and options of the Loader Indicator lights Indicator lights - Engine related indicator lights Symbol Colour Remarks Symbol Colour Remarks Load sensor indicator Not in use in this loader model Warning: Too heavy load is being lifted.
Controls and options of the Loader Avant 850 Control of loader boom, auxiliary hydraulics, and other functions Most of the functions of the loader are controlled with the controls at the right side of the operator: Boom and bucket movements, auxiliary hydraulics (attachments), engine rpm, and additional options or functions that may have been installed on the loader.
Avant 850 Controls and options of the Loader 3. Telescopic boom control lever 4. Joystick - 8 function The telescopic boom makes many tasks easier, also The 800 series loaders are equipped as standard those that do not involve lifting. You can, for with an 8-function joystick.
Controls and options of the Loader Avant 850 6. Parking brake switch 2. Electric control of telescopic boom You can operate the telescopic The parking brake is activated when loader is boom with the rocker switch. switched off or when hydraulic pressure is otherwise lost due to a failure.
Avant 850 Controls and options of the Loader Operating modes of Opticontrol ® 7. Opticontrol® (option) Check the operator's manual of the attachment to Opticontrol is an option that makes it easy to use ® see how to control each attachment.
Controls and options of the Loader Avant 850 Control lever of extra hydraulics Electric 12 V outlet outlet (option) A 12 V electric power socket is located near the In addition to the standard auxiliary hydraulics outlet, driver's seat. When operating attachments with...
To open the engine cover, open the quick locks on the engine cover and lift it aside. Storage in engine compartment On Avant 850 there is a storage bay on the engine compartment. Engine oil dipstick and filling cap are accessible through a hatch on the bottom of the storage bay.
Controls and options of the Loader Avant 850 Boom self-levelling Boom floating (option) The boom floating is a system that allows an Self-levelling is a system that attachment to follow the surface of the ground. The keeps the attachment tilted in...
Smooth drive (option) During boom floating, some air may become trapped Avant 850 can be equipped, as an option, with the into the lift and tilt cylinders. To avoid unexpected or smooth drive which is a shock absorber system for inaccurate movements of the boom, the air in the boom.
Controls and options of the Loader Avant 850 Risk of release of pressurised Counterweights hydraulic Deactivate The standard counterweight on Avant 700 series pressure accumulator before WARNING loaders is a 170 kg cast block mounted on the rear of servicing...
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Avant 850 Controls and options of the Loader Risk of loss of control of loader - Additional counterweights Too much counterweight can Additional counterweights can be installed to increase the stability of loader when handling heavy make the front of the loader too WARNING loads or attachments.
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Controls and options of the Loader Avant 850 Risk of moving or falling of the Adding or removing counterweights loader - Never lift or tie down When installing removing counterweights loader from side DANGER appropriate lifting equipment must be used.
Avant 850 Controls and options of the Loader Trailer coupling (option) Extra auxiliary hydraulics outlets, front and rear The loader can be equipped with a trailer coupling for towing of trailers. There are two types available: In addition to the standard auxiliary hydraulics outlet,...
Controls and options of the Loader Avant 850 Rear lift device Reverse buzzer (option) A rear lift device makes it possible to mount and use A reverse buzzer gives an audible signal whenever some attachments at the back of the loader. The rear reversing with the loader.
Avant 850 Controls and options of the Loader Seat - Seat belt and seat adjustments Risk of persons falling from the Suspension seat loader - Never carry passengers. The suspension seat has the following adjustments: The seating capacity of the loader WARNING is one person only.
Controls and options of the Loader Avant 850 Air suspension seat (optional extra for Fabric seat, standard seat on CAB GT cab GT) Standard seat similar adjustments as the standard suspension seat. The An air suspension seat is available as an option for angle of backrest is adjusted with a handle on the left the cab GT.
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Avant 850 Controls and options of the Loader To adjust the air suspension seat: Seat position The distance of the seat from the steering wheel can be adjusted with the lever which is located under the front edge of the seat.
Controls and options of the Loader Avant 850 Lights Risk of getting dazzled - Adjust Work lights lights properly. Make sure lights The loader is equipped with standard work lights at are adjusted so that the laps or WARNING the front of the loader, which are controlled with a reflection of light does not dazzle switch near the ignition switch.
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Avant 850 Controls and options of the Loader Light control switch (road traffic light Warning beacon (option) kit) A warning beacon is available as an option. The warning beacon warns others about the moving Loaders that are fitted with the road traffic light kit loader.
Controls and options of the Loader Avant 850 Cabs (optional extra) The Avant 850 can be equipped with an operator's Standard and optional equipment on different cabin. The Cab GT can only be ordered to new cab models loaders, it can't be retrofitted. The ROPS canopy and all cab versions are ROPS and FOPS certified.
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Avant 850 Controls and options of the Loader Cab Safety Windscreen washer and wiper Make sure visibility from the cab is adequate. Keep The windscreen washer is operated with multi- all window panels clean and clear of snow, ice, etc.
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Controls and options of the Loader Avant 850 Defrosting/De-misting: Air recirculation Turn heater fan to position 4 (high speed) For faster warm up of the loader, the cab is equipped with an air recirculation system. When the hatch is ...
Avant 850 Operating instructions Operating instructions Always remember – safety first. Test all the functions of the loader at an open and safe place. Make sure that there are no persons in the operating area of the machine and the danger zone of the attachment.
Operating instructions Avant 850 Starting the loader Risk of suffocation - Do not start Before start the loader in enclosed space - Before starting the engine do the daily checks, see Exhaust emissions kill WARNING page 102. within minutes. Exhaust...
Avant 850 Operating instructions Ignition key To start the engine Perform daily checks (see page 102) Turn the battery disconnect switch to ON Sit on the driver's seat, adjust seat, and fasten seat belt When starting in cold The ignition key can be switched into the...
Operating instructions Avant 850 Risk of injury to bystanders - Stopping the engine (Safe stopping procedure) Avoid unintended movements of the attachment: WARNING Lower the boom completely down. Place If the auxiliary hydraulics is attachment firmly on the ground, engage...
Avant 850 Operating instructions Drive control Principle of operation Drive pedals AVANT 850 loader is equipped with a hydrostatic Using the drive pedals: drive system. This based variable displacement hydraulic pump in the drive circuit that is proportionally controlled with the two drive pedals.
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Operating instructions Avant 850 OptiDrive® The 850 loaders are equipped with the efficient Avant OptiDrive hydraulic drive system as standard. ® The system is designed for optimal hydraulic oil flow, which helps to conserve energy by minimising losses. This is achieved with the use of integrated high efficiency Avant valve blocks and EO3 type hose fittings.
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Avant 850 Operating instructions X-lock (Cross lock) and anti slip X-lock (Cross lock) Anti-slip valve (option) The hydraulic drive circuit has a system that allows If the loader is equipped with the optional anti-slip the wheels on the left and right side of the loader to valve, there is an additional switch on the back of the roll at different speeds.
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Operating instructions Avant 850 Allow the loader to warm up properly Engine block heater (option) Hydraulic oil temperature has an effect on the The loader can be equipped, as an option, with an hydrostatic drive system of the loader. When the engine block heater.
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Avant 850 Operating instructions Risk of fire and electric shock - Risk electric shock Check the voltage rating of the damage to loader - Disconnect block heater. Always block heater before WARNING CAUTION approved type of cable. Check operating the loader. Make sure...
Operating instructions Avant 850 Steering of the loader Risk of collision and crushing - Steering of the loader is controlled with the steering Stay and keep hands and feet wheel. The steering system is hydraulically powered. inside the safety frame. Always...
Avant 850 Operating instructions In case the loader tips over Avoid tipping over of the loader with careful operation and with the instructions given throughout this manual. However, it is important to know what to do in case the loader tips over.
Operating instructions Avant 850 Material handling Risk of rolling over - Keep loads Make sure to use correct type of attachment for each close to ground, drive handled material. Use correct size and type of bucket slowly when carrying load.
Always follow the instructions in the operator's manual of the attachment. WARNING Make sure that the attachment is compatible with the loader: Avant 850 must be specifically listed in the operator's manual of the attachment. Contact your Avant dealer if necessary. Incompatible attachments can cause risks of injuries resulting from eg.
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Use only Avant attachments that have been designed for your loader model. Any attachment that is fitted to the loader must be designed to be used specifically with Avant 850, and this must be stated in the operator's manual of the attachment. The manufacturer of the attachment is responsible for evaluating the risks related to coupling the attachment and using it with this loader model.
Avant 850 Working with attachments Coupling the attachments The attachment is mounted to the loader boom by using the quick coupling plate on the loader boom and the counterpart on the attachment. As standard, the attachment is coupled with two manually operated locking pins of the coupling plate.
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Working with attachments Avant 850 Step 3: Lift the boom slightly – pull the boom control lever backward to raise the attachment off the ground. Turn the boom control lever left to turn the bottom section of the quick attach plate onto the attachment.
Avant 850 Working with attachments Coupling the hydraulic hoses of the attachment Hydraulic hoses of the attachment are equipped with the multiconnector system, which connects all hoses at the same time. Risk of movement of the attachment and ejection of hydraulic oil - Never connect...
Working with attachments Avant 850 Using the auxiliary hydraulics Auxiliary hydraulics (hydraulically operated attachments) are controlled with the lever on the control panel, or with the buttons on the 8 function joystick (see page 50). The locking position of the lever facilitates operation of the attachments that require constant oil flow (rotary broom, backhoe etc.).
Avant 850 Working with attachments Releasing the residual pressure of hydraulic system Make sure that there isn't pressure in the hydraulic system that could cause danger during service operations. To release the pressure in hydraulic system: Lower the boom down completely and place attachment firmly on the ground...
Working with attachments Avant 850 Coupling adapters Avant offers coupling adapters to help the use of some specific attachments. See the operator's manual of each attachment if an adapter can be used. Both adapter types are locked to the quick coupling plate of the loader. The adapters have similar quick coupling system to lock the attachment onto the adapter and loader.
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Avant 850 Working with attachments Rotating adapter A424406 The rotating adapter is intended for same kind of work as the tilting adapter. The fully rotating adapter makes it possible to turn the attachment fully upside down. This can be helpful in levelling work.
Storage, Transport, Tie down points and Lifting Avant 850 Storage, Transport, Tie down points and Lifting Before transporting or lifting: Tie down points Mount the articulation frame lock, see page 100 The loader must be tied down securely if transporting ...
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Avant 850 Storage, Transport, Tie down points and Lifting To prepare the loader for transport, do the Risk of loss of control of towing following: vehicle - Never load trailer so Always secure the load. Make sure all that there is lifting force on the...
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Storage, Transport, Tie down points and Lifting Avant 850 Tie down options Optional equipment for frequent trailer transport If transporting the loader frequently on a trailer, optional tie down brackets are available for easier securing of load. Tie down bracket A418623 installed at the rear...
Avant 850 Storage, Transport, Tie down points and Lifting Storage Lifting of the loader If outdoors storage is necessary, protect the machine Lifting a loader with ROPS: When lifting a loader with the designated weather cover (part no. 65436). equipped with the ROPS frame, use four lifting slings that are approved for lifting purpose, and which are minimum 2000 mm (79 inches) long.
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Storage, Transport, Tie down points and Lifting Avant 850 Risk of dropping of the loader - The following picture shows the principle of lifting a Use appropriate equipment and loader with the ROPS frame using four lifting straps: follow safety instructions and...
Avant 850 Service and maintenance Service and maintenance Risk of personal injuries - If the loader is damaged or poorly maintained it can cause or increase risks of unsafe operation. To ensure long service life it is important to maintain the loader in good condition. The...
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Service and maintenance Avant 850 High-pressure ejection of fluid may penetrate skin and cause serious injuries - Never handle pressurised components. Before handling hydraulic components, make sure that the hydraulic system of the attachment and the loader are completely de- DANGER pressurised.
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Avant 850 Service and maintenance Risk of contact with moving Falling load Risk parts - Always shut down the crushing. Always secure engine before accessing the loader boom with the provided WARNING WARNING engine compartment. Engine service support, before going cooling fan, alternator belt, and belt under the loader boom.
Service and maintenance Avant 850 Service support in place Installing of service support and frame lock Installing boom service support: Whenever access to area below near a lifted boom is needed, install the service support to the hydraulic cylinder of the boom.
Avant 850 Service and maintenance Daily inspections and periodic service schedule The loader must be serviced and maintained in order to keep it in good and safe condition. This part of the manual shows the maintenance and service points and intervals of the loader and its engine. There are more detailed instructions about each service operation, in numerical order, on the following pages.
Service and maintenance Avant 850 Daily maintenance and inspections Do a walk-around check of the loader before each working shift. Complete the tasks listed below daily before starting to use the loader and after each 10 working hours. ...
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Avant 850 Service and maintenance Periodic service and maintenance In addition to the items listed in the daily and weekly inspections, the following service procedures must be completed periodically. After every 400 hours of use or Service schedule for periodic service...
Service and maintenance Avant 850 Daily and routine maintenance procedures Use only clean fuel and take care 1. Refueling when refueling the loader to avoid dirt and water from entering the fuel tank. Check fuel level and fill the tank if necessary. It is...
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Avant 850 Service and maintenance 2. Check the general condition of the 3. Clean the loader loader Cleanliness of the loader is not only a question of outer appearance. A dirty machine will run hotter and Check that all safety decals are in place and will collect more dirt into the air cleaner and legible.
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Service and maintenance Avant 850 C. Clean the engine compartment Clean cooling systems Check and clean engine cooling areas, air intake Proper cooling essential. areas, and the external surfaces of engine. Dust, prevent overheating, clean screens, hay, and other combustible materials on and around...
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Avant 850 Service and maintenance 4. Add grease to the lubricating Greasing points on the loader: points Reference Number of points Greasing of the pivot points is 1. Articulation joint essential to avoid wear of joints. Left side of loader...
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Service and maintenance Avant 850 5. Check the boom, pivot pins, and B. Front frame other metal structures visually Check the loader structures visually. Do not use the loader if there is visible damage, signs of bending, ruptures, cracks, or buckling. Also check if there is heavy rust.
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Avant 850 Service and maintenance Tighten wheel nuts after first 5 Damaged modified safety operating hours. Check tightness of structures do not protect in same wheel nuts regularly. way as original ones. In case the WARNING Other bolts and nuts...
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Service and maintenance Avant 850 Tapered JIC-type hydraulic fittings may get damaged 8. Check the attachment and the when removed and re-tightened. Note that JIC type quick coupling plate fittings are not tightened with torque and fitting will break when tightened too much.
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Avant 850 Service and maintenance 9. Check hydraulic oil level Check engine oil level Check the level of hydraulic oil with the dipstick of Check the engine oil level with the dipstick. To get the filler cap. Remove the front panel to access the correct result with the dipstick: filler.
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Avant 850: reservoir. Never open WARNING On Avant 850 the main fuel filter and water separator pressurized coolant reservoir while is located and easily accessible on the left side, as engine is warm. Hot coolant may shown in the picture below.
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Avant 850 Service and maintenance Check the condition and fastening of the battery, Clean the sealing edges of the air filter. the battery disconnect switch, and its cables Reinstall the filter cartridge and sealing. Ensure the proper tightness between the filter Inspect and clean the battery terminals and housing cover.
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Service and maintenance Avant 850 Check cab air filter Risk of fire - Make sure the battery secured against If the loader is equipped with an enclosed cab movement. insulators WARNING A replaceable cab air filter can be changed from...
Avant 850 Service and maintenance Inspections after starting the loader Check drive control and steering Check the movements of boom Check operation of pedals and steering. Pedals must move freely and not get stuck or feel stiff. The boom should move smoothly to all extreme ...
Service and maintenance Avant 850 If you add or remove counterweights Calibrate load sensor To calibrate the load sensor: Add or remove the counterweights from the The load sensor must be calibrated in case you add loader. or remove rear weights on the machine. Check and...
Avant 850 Service and maintenance Periodic service 4. Change hydraulic oil These maintenance and service procedures may When changing hydraulic oil, you can remove the oil require special equipment, tools, or skills. They are with a suction pump or by opening the drain plug on...
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Service and maintenance Avant 850 5. Change hydraulic oil filters 7. Change fuel filters Hydraulic oil return filter: In demanding operating environment, or when frequently adding fuel from fuel canisters, the fuel Located on top of the hydraulic tank, under the filters must be changed more frequently than the cover front cover.
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Avant 850 Service and maintenance Size: L=282 mm H=175 mm W=185 mm 9. Clean fuel tank Always handle batteries with care. Always recycle Drain and clean the fuel tank annually. If you refuel used batteries. the loader frequently with fuel containers the fuel tank may need to be cleaned more frequently.
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Service and maintenance Avant 850 Boom pressure measurement fitting Risk of injection of hydraulic oil Wrong handling hydraulic system or wrong tools WARNING can cause ejection of hydraulic oil. recommended that pressures should only be checked or adjusted by a competent and experienced technician.
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Avant 850 Service and maintenance Measure and adjust power Adjusting hydraulic pressures control valve Adjustment of hydraulic pressures should be left for qualified service technicians. If you have the The power control valve of the hydraulic drive pump equipment and skills to do the adjustment yourself, optimizes driving performance of the loader by keep the following in mind.
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Service and maintenance Avant 850 To replace slide pads 3 and 4 the boom must partially disassembled. Lifting equipment is required in order to do the service safely. It is recommended to leave this service operation to your nearest Avant service partner.
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Avant 850 Service and maintenance A correctly operating engine keeps its rpm steady at Check the emergency window hammer and its all rpm levels when there is no load or only small markings. Make sure a hammer is available and load.
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Service and maintenance Avant 850 Check articulation joint If loader is equipped with enclosed cab Check for excessive play and ensure proper Change cab air filter lubrication Check the articulation joint at the first 50 hour Change the cab air filter at least once a year. If you...
Avant 850 Service and maintenance Electric system & fuses 12 V Fuse box 2 Fuses Locations of the fuse boxes are shown in this Hydraulic oil cooler chapter. In the event of electric malfunction, always check the fuses first. If a fuse is blown repeatedly, Fuel pump search for cause of burning fuse.
Service and maintenance Avant 850 Relays Jump start and auxiliary power Depending on installed options, there are relays The engine can be started with auxiliary power if installed to the frame of the hydraulic oil cooler at the necessary, by using appropriate jump start cables front right side of the loader.
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Avant 850 Service and maintenance Risk of uncontrolled movement Risk of electric shock, sparks, and contact with moving or hot fire, and burns - Always use parts, sparks fire, good quality jump start cables WARNING CAUTION engine damage - Never bypass...
Avant 850 Troubleshoot Troubleshoot Listed below are possible causes for typical problems. Further engine related causes can be found in the operator's manual of the engine. In case there is trouble with the operation of the machine, check both troubleshoot lists and if problem is not solved, contact your nearest service point.
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Troubleshoot Avant 850 Problem Possible cause Remedy Attachment hoses will not go There is back pressure in the Release the pressure by moving the extra auxiliary hydraulics into the extra front or rear auxiliary hydraulics line. control lever in both directions.
Avant 850 Services made Services made 1. Customer 2. Loader model Serial number 3. Date of delivery Date of service Operating Serviced by: Remarks dd / mm / yyyy hours Stamp/signature _____/ 50 h ___/___/_____ _____/ 450 h ___/___/_____ ___/___/_____...
Avant 850 Index Check drive control and Counterweights • 12, 14, 58 steering • 115 Coupling adapters • 90 Check electric cables, relays, Coupling the attachments • 23, and other electric components • 119 1 and 2 pump selection switch...
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Avant 850 Fuel requirements • 35, 72, Load charts of other Safety First • 8 attachments • 39 Safety frame (ROPS) and Fuses • 20, 125 Load diagram • 43 safety canopy (FOPS) • 16 Load indicator • 40, 49 Safety instructions •...
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Avant 850 Tyres • 36 Use only clean fuel • 104 Using the auxiliary hydraulics • Ventilation and heating • 47, Warning beacon (option) • 47, Warning lights on CAB GT • 67 Windscreen washer and wiper • 69 Work lights • 66 Working near powerlines •...
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Avant 850 EC DECLARATION OF CONFORMITY DÉCLARATION DE CONFORMITÉ CE EG-KONFORMITÄTS-ERKLÄRUNG Manufacturer: Fabricant : Hersteller: Avant Tecno Oy Avant Tecno Oy Avant Tecno Oy: Ylötie 1 Ylötie 1 Ylötie 1 33470 Ylöjärvi, Finland 33470 Ylöjärvi, Finlande 33470 Ylöjärvi, Finnland Technical Construction File Location:...
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