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Summary of Contents for AVANT 423
- Page 1 English Operator’s Manual 2019- Read this Operator’s Manual, safety decals, and other safety related instructions before operating the loader. If you do not obey these instructions, there is a risk of serious injury. Keep all manuals for reference. A428526 2019 6 EN 2018-...
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Page 2: Table Of Contents
Table of contents 400 Series TABLE OF CONTENTS Introduction..............3 Trailer coupling............34 Safety instructions............4 Extra counterweights..........34 Intended use............4 Starting the engine..........35 Safety first...............5 Engine block heater..........35 Handling of heavy loads...........6 Stopping the engine..........36 Operation on gradients..........8 Drive control............37 Personal safety and protective equipment....9 Steering of the loader..........38 Safety frame (ROPS) and safety canopy (FOPS)..9 Requirements for attachments......39... -
Page 3: Introduction
Introduction 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 contects of this manual completely before operating the loader. -
Page 4: Safety Instructions
Keep this Operator’s manual with the machine at all times. If this Manual gets lost, ask for a new copy from your Avant dealer. Remember also to give this Manual to the new owner when the machine changes ownership. -
Page 5: Safety First
400 Series Safety instructions Safety first Incorrect or careless operation of the loader may cause a serious accident. Before putting the machine into operation, familiarise yourself with the use of the machine and read and understand this Operator’s Manual, as well as all relevant safety instructions, local regulations, and safe working practices. - Page 6 Safety instructions 400 Series Falling load unexpected Hydraulic pressure - Risk of injury. lowering of loader boom - Risk of Escaping hydraulic fluid under pressure crushing. Always remember that the has sufficient force to penetrate skin, boom may lower unexpectedly due to causing serious personal injury.
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Page 7: Handling Of Heavy Loads
400 Series Safety instructions Pinching points - Avoid pinching Handling of heavy loads between loader frame itself between loader and walls - Keep all Handle loader with care - Risk of body parts within the safety frame. tipping over. Movements of the articulated frame WARNING •... - Page 8 Safety instructions 400 Series Whenever you handle heavy loads or heavy attachments: In case the loader tips over : Overload - Risk of overturning. Avoid tipping over of the loader with careful operation and The high lift capacity of the loader makes the instructions given throughout this manual.
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Page 9: Operation On Gradients
400 Series Safety instructions Operation on gradients Suffocation hazard - Ensure ventilation Load, unload, and turn on flat level ground only. Drive slowly Engine exhaust contains carbon on uneven terrains. Do not drive on too steep a gradient - monoxide (CO), a poison gas you watch out for ditches, manholes and steep gradients. -
Page 10: Personal Safety And Protective Equipment
Any modification to this machine must be approved protective structure (FOPS) on the loader. beforehand by an authorised Avant representative. If you modify the loader or attachment, it can become dangerous and cause serious injuries or even death. Unauthorised modifications can increase the risk of accidents and damage or shorten the service life of the machine. -
Page 11: Electric System And Handling The Battery
400 Series Safety instructions Electric system and handling the battery Fire prevention Always handle the battery with care. Follow the safety Clean the loader to avoid build-up of flammable debris, instructions given below. The battery of the 12 V electric such as dust, leaves, hay, straw, etc. -
Page 12: Warranty
400 Series Avant 423 warranty This warranty specifically applies to the AVANT 420/423 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. -
Page 13: Description Of The Loader
400 Series 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. 1. Loader model_____________________________________________ 2. Loader serial no.___________________________________________ 3. -
Page 14: Main Parts Of The Loader
Description of the loader 400 Series Main parts of the loader Following picture shows the main parts of the loader: Hydraulic connectors Multi connector Pressure 2 Pressure 1 Tank line Attachment control switch pack socket (option) Attachment coupling plate Front frame Attachments are mounted on the attachment coupling On the front frame are mounted: driver’s seat, plate. -
Page 15: Signs And Decals
Replace any warning label which has become unclear, or has detached completely. New labels are available via your Avant dealer, authorized Avant service point, or contact information provided on the cover. Before applying a new decal, clean the surface from dirt, dust, grease, or other material. Peel small portion of the decal backing paper and apply exposed adhesive to cleaned surface, aligning the decal properly. - Page 16 Safety decals 400 Series Label Location Product Safety message code WARNING TO AVOID INJURY OR DEATH: • Read operator’s manual before using or servicing this machine. Follow all additional safety procedures, warning labels and attachment operator’s manual. • Wear hearing protection and other proper personal safety gear called for by job conditions.
- Page 17 400 Series Safety decals Label Location Product Safety message code WARNING Risk of crushing - Small gap between tyres At loader A411455 of articulat ed loader. Do not grip the steering entry point wheel from outside the machine or when getting into the driver’s seat to prevent moving of the wheels.
- Page 18 Safety decals 400 Series Label Location Product Safety message code ROPS A420726 ROPS/FOPS Approval frame Right panel Sound pressure level 88 dB(A) at driver’s near A43600 seat driver’s seat Right panel Sound power level 101 dB(A) according to near A411047 the European directive 2000/14/EC driver’s seat...
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Page 19: Technical Specification
400 Series Technical specification Technical specification Model AVANT 423 Length 2195 mm Width see table Height 1980 mm Weight 1080 kg Standard wheels 23x8.50-12”grass/TR Transmission, drive hydrostatic Pulling force 700 kp Drive speed 12 km/h Hydraulic oil tank capacity 26 l... -
Page 20: Engine Specification
Consult your dealer if further information is needed. Special tires, such as studded wheels may also be available. Consult your dealer for further information. Avant 520 Avant 528... -
Page 21: Auxiliary Hydraulics Oil Flow
400 Series Technical specification Auxiliary hydraulics oil flow 1000 1500 2000 2500 The graph under shows auxiliary hydraulics output flow at different engine rpm levels. Some attachment may work optimally at certain flow level, use the graph to estimate correct engine rpm setting. Avan Avan Maximum auxiliary hydraulics oil flow can not be used with all attachments. -
Page 22: Tipping Load
Tipping load 400 Series Tipping load Tipping load Load diagram Tipping load is the load at which the rear tires lose contact You can evaluate the load handling capability of the with the ground (tipping forward). Tipping load is influenced loader with the load diagram, shown below, and the Rated by several factors: operating capacity shown on the next page and on the... -
Page 23: Rated Operating Capacity
400 Series Tipping load Rated operating capacity Rated operating capacity Rated Operating Capacity To determine how much the loader can handle safely, a table of the tipping load and a calculated Rated Operating Capacity (ROC) is shown in the adjacent label. 80 kg A rated Operating capacity label is located near the driver’s seat and can be read while you sit on the driver’s seat... -
Page 24: Operating Instructions
Operating instructions 400 Series Operating instructions Operating controls Following picture shows the location of operating controls. The location and function of controls may be slightly different in different models, see following pages. 12. Switches on the panel 1. Steering wheel 2. -
Page 25: Control Of Loader Boom, Auxiliary Hydraulics And Other Functions
400 Series Operating instructions Control of loader boom, auxiliary hydraulics and other functions Most of the functions of the loader are controlled at the control panel on the right side of the operator: Boom and bucket movements, auxiliary hydraulics (attachments), engine revs etc. , depending on loader model. Following pictures show the different functions: 4. -
Page 26: Dashboard
Operating instructions 400 Series Dashboard On the dashoard on the right side of the driver’s seat are mounted gauges, indicators and switches which help you to control the loader. Indicator lights Ref. Symbol Color Remarks Charge indicator Alternator low charging voltage warning. -
Page 27: Seat Belt And Seat Adjustments
400 Series Operating instructions Seat - Seat belt and seat adjustments Suspension seat The seating capacity of the loader The suspension seat is equipped with seat belt, arm rests is one person only. Never carry and heating, and has the following adjustments: passengers on any part of the loader 1. -
Page 28: Battery Disconnect Switch
Operating instructions 400 Series Battery disconnect switch Installing of service support The loader is equipped with a The red service support of the battery disconnect switch. The boom lift cylinder is located at switch is located in the rear of the tip of the boom, behind the the machine, on the right side attachment coupling plate. -
Page 29: Drive Release Valve
Parking brake handle the left and right hydraulic motors - all four wheels spin equally and provide the best possible traction. Avant 423 is equipped with a mechanical parking brake. The parking brake is operated with handel under the steering wheel. -
Page 30: Loader Control
Operating instructions 400 Series Loader control Boom floating (option) The loader boom and bucket are controlled with the multi- The floating system releases the lift cylinder to allow it to function lever sideways (tilt) and back & forward (boom up move upwards. -
Page 31: Tilt Adapter
400 Series Operating instructions Tilt adapter (option) Side shift adapter (option) A hydraulic tilt adapter can be A side shift adapter is a coupling mounted between the attachment bracket that makes it possible to attachment coupling operate an attachment off the the plate. -
Page 32: Using The Auxiliary Hydraulics
Operating instructions 400 Series Using the auxiliary hydraulics Make sure that the auxiliary hydraulics NOTICE control lever will lock in its fully engaged position when locked on. Auxiliary hydraulics (hydraulically operated attachments) Even a slightly incorrect position is are controlled with the control lever on the control panel enough to decrease the effectiveness front from the joystick, or with the optional auxiliary of the hydraulic system, and will cause... -
Page 33: Extra Auxiliary Hydraulics Outlets, Front And Rear
• Quick couplers are located on top of the radiator. If the extra auxiliary hydraulic Avant 400 series can be equipped as an option with the outlets is installed to the rear of cab L. It consists of the loader, the outlet is double •... -
Page 34: Work Light Kit
Requirements vary in different countries, please consult your local AVANT distributor. Extra counterweights (option) The loader can be equipped with Warning beacon (option) extra... -
Page 35: Starting The Engine
400 Series Operating instructions Starting the engine Prevent unintended movements of Before starting the engine do the daily checks, (see “Daily the loader. Keep hands and feet away inspections” on page 48). Adjust the seat and mirrors from other controls of the loader while (if fitted) so that you have a good working position and starting. -
Page 36: Stopping The Engine
Operating instructions 400 Series Stopping the engine (Safe stopping procedure) 1. Lower the boom completely down. Place the attachment firmly on the ground, engage the parking brake, stop the attachment (move auxiliary hydraulics control lever to neutral position, see page 25), set engine revs to idle. 2. -
Page 37: Drive Control
WARNING area of the machine. Principle of operation AVANT 423 is equipped with a hydrostatic drive system. In the drive circuit there is a variable displacement hydraulic pump that is proportionally controlled with the two drive pedals. Driving of the machine is controlled with the drive pedals and hand throttle. -
Page 38: Steering Of The Loader
Make sure that oil type and viscosity must be suitable there are no persons in the operating for these conditions. Contact Avant area of the machine and the danger DANGER service. zone of the attachment. -
Page 39: Requirements For Attachments
Any attachment mounted on the loader must meet applicable safety and technical standards and requirements. An attachment that is not specifically designed for the loader may cause unsafe operation; make sure that your Avant loader model is specifically listed in the operator’s manual of the attachment. Some attachments may require the use of special protective guards or personal safety equipment. -
Page 40: Coupling The Attachments
Operating instructions 400 Series Coupling the attachments Install the attachment to the attachment coupling plate as follows: Step 1: • Lift up the two locking pins on both sides of the attachment coupling plate and turn them backward so that they remain in the up position •... -
Page 41: Coupling The Hydraulic Hoses Of The Attachment
400 Series Operating instructions Coupling the hydraulic hoses of the attachment Hydraulic hoses of the attachment are equipped with the multi connector system, which connects all hoses at the same time. Coupling the multi connector Align the pins of the attachment connector with corresponding holes of the loader connector. -
Page 42: Transporting Instructions And Tie Down Points
Operating instructions 400 Series Transporting instructions and tie down points Installing of frame lock On the rear frame, the tie down points are located. on the The frame lock is located over sides, and on the front frame close to the boom. Optionally the articulation joint, under the available are the rear bumper and / or behind the rear seat base, and it is fastened... -
Page 43: Lifting
• It is recommended to have the periodic service made before storage. Contact Avant service • Clean the loader carefully • Check and touch-up painted surfaces, if necessary, in order to avoid rust damages •... -
Page 44: Maintenance And Service
More information about the services on the periodic service schedule is available from your Avant dealer or service partner. Parts that are required for periodic maintenance are available through your Avant dealer or authorized service. -
Page 45: Safety Instructions
• Apply parking brake. Always park hose or the component must be replaced. Contact your the loader on level surface before Avant dealer or service for spare parts. maintenance work. • Install the frame lock when lifting Never handle hydraulic... -
Page 46: Daily Inspections And Maintenance
Daily inspections and routine maintenance Service, engine Do a routine walk-around check of the loader before each AVANT 423 is equipped with a Kubota diesel engine. working shift. Complete the tasks listed below after each Service and maintenance instructions for the engine can 10 working hours according to the hour meter of the loader. -
Page 47: Service Schedule
Service schedule for periodic service The periodic service for Avant machines can be performed by a person who is trained to work with Avant equipment. Any person who works with servicing Avant equipment must have good understanding of risks and hazards associated with working with high pressure hydraulic systems. -
Page 48: Daily Inspections And Maintenance
If possible, ◦ Do not use the loader if you see damaged, bent, refuel the loader after use to prevent condensation of water corroded, or deformed metal parts. Contact Avant into the fuel tank. service for service, if necessary. -
Page 49: Cleaning Of The Loader
400 Series Daily inspections and maintenance 2. Cleaning of the loader Clean cooling systems There are two cooling fans on the loader: Pay special attention to the cleanliness of the engine compartment and engine bay, battery, and radiators. • Hydraulic oil cooler A dirty machine will run hotter and can cause poor •... -
Page 50: Greasing Of The Loader
Daily inspections and maintenance 400 Series 3. Greasing of the loader Greasing of pivot points is very important to avoid wear. Most of the greasing points are on the loader boom. The following table and pictures show the location of grease nipples. - Page 51 In case the ROPS safety frame or the must only be repaired by a qualified WARNING FOPS canopy of the machine gets tire technician. damaged, the machine must be taken to Avant service for service. It is not allowed to repair the ROPS and FOPS. WARNING...
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Page 52: Hydraulic Oil Level
Engine inspections and maintenance 400 Series 7. Hydraulic oil level 8. Attachment and its locking Hydraulic oil tank filler is located on the front of the boom, Check the locking of attachment and function of the under a hatch. locking pins of the attachment quick coupling plate. •... -
Page 53: Engine Oil Level
400 Series Engine inspections and maintenance Engine related inspections and routine 11. Water in fuel maintenance There is a water separator connected to the fuel lines. 9. Engine oil level If water is visible in the cup, drain it by turning a small Check the engine oil level with the dipstick. -
Page 54: Battery And Electric Cables
Inspections after you start the loader 400 Series 13. Battery and electric cables Inspections after starting the loader The battery is located at the rear of the loader, on the 14. Drive control and steering right side of the engine. You can do the routine battery related checks by removing only the top panel of the rear •... -
Page 55: Main Fuses
The red indicator on the dashboard indicates blown hydraulic oil cooler fan fuse. If the indicator is lit, check the 25A fuse of the oil cooler fan. Contact Avant service if necessary. Jump start and auxiliary power The engine can be started with auxiliary power if necessary, by using appropriate (strong enough) jump start cables. -
Page 56: Filters
64807 Filter kit A425525 7. On Avant 423 there is also a water separator with a filter in the fuel system. This water separator filter is not included in the Air filter, inner screen element filter kit and it needs not to be changed, unless it breaks. Part no. -
Page 57: Troubleshooting
400 Series Troubleshooting Troubleshooting Problem Possible cause Remedy Main switch off Turn on the main switch Battery discharged, battery Check and charge voltage too low Check fuses. If fuse blows again, find out the cause. Engine does not crank Contact service Blown fuse Also check the main fuse that is installed in the battery cables. -
Page 58: Service History
Services made 400 Series Services made 1. Customer_____________________________________________________________ 2. Loader model .AVANT_______________Serial no____________________________ 3. Date of delivery________________________________________________________ Date of service Operating Serviced by: Remarks dd / mm / yyyy hours Stamp/signature ___/___/______ ______ / 50 h ___/___/______ ______ / 250 h ___/___/______ ______ / 450 h ___/___/______... -
Page 59: Ec Declaration Of Conformity
400 Series EC Declaration of conformity 423, 523 EC DECLARATION OF CONFORMITY DÉCLARATION DECONFORMITÉ CE EG-KONFORMITÄTS-ERKLÄRUNG Manufacturer: Fabricant: Hersteller: Avant Tecno Oy Avant Tecno Oy Avant Tecno Oy Ylötie 1 Ylötie 1 Ylötie 1 33470 Ylöjärvi 33470 Ylöjärvi 33470 Ylöjärvi... - Page 60 Avant Tecno Oy Ylötie 1 FIN-33470 YLÖJÄRVI, FINLAND Tel. +358 3 347 8800 sales@avanttecno.com AVANT has a policy of continuing improvement, and retains the right to change specifications without notice. © 2019 AVANT Tecno Oy. All rights reserved. www.avanttecno.com...
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