AVANT 400 Series, Operator'S Manual

Page 1: ...English Operator s Manual 2018 420 423 ...

Page 2: ...ine 21 Stopping the engine 21 Drive control 22 Steering of the machine 23 Loader control 23 Using the auxiliary hydraulics 23 Requirements for attachments 24 Coupling the attachments 24 Coupling the hydraulic hoses of the attachment 25 Make sure that the attachment is locked to the loader 25 Releasing the pressure of hydraulic system 25 Service and maintenance instructions 27 Safety instructions f...

Page 3: ... engine must be followed If conflicting information is found the information shown in the Operator s Manual of the loader must be followed Each attachment is accompanied by its own respective Operator s Manual The manual will show important information related to safety and how to attach use and maintain each attachment correctly Intended use AVANT 420 423 is an articulated compact loader designed...

Page 4: ...nt as low as possible and put the load down whenever you leave the machine 9 Before leaving driver s seat Lower the loader boom and place attachment flat on ground Engage the parking brake Stop the engine remove the ignition key 10 It is not allowed to transport persons with this machine Do not transport or lift persons in the bucket or in any other attachment Lifting of persons is only allowed wi...

Page 5: ...frame ROPS protects the operator in case the machine tips over Always fasten the seat belt in order to stay inside the safety frame protective area The loader is also equipped with a falling objects protective canopy FOPS Never take off the safety structures modify them or attempt to repair If damaged contact service Electric system and handling the battery Lead acid batteries can produce flammabl...

Page 6: ...ation of Avant Tecno Oy will cancel this warranty During the first two years of operation or first 750 hours whichever is the soonest Avant Tecno Oy warrants to replace any part or repair any defect which may occur subject to the terms detailed below 1 The product has received regular maintenance in accordance with schedules given by the manufacturer 2 Any damage caused by operation in a negligent...

Page 7: ...________________________ Serial number of the loader is printed on the type plate see page 9 which also indicates the loader model Location of engine serial number can be found in the Operators Manual of the engine Dealer ____________________________________________________ Contact information _________________________________________ ________________________________________ Loader identification ...

Page 8: ...telescopic extending 600 mm hydraulically n o p q Attachment coupling plate Attachments are mounted on the attachment coupling plate The locking pins on the plate can be operated manually standard or hydraulically option Auxiliary hydraulics outlet The hydraulic hoses of hydraulically operated attachments are mounted on this outlet The outlet is equipped with the multi connector quick coupling sys...

Page 9: ...dealer j o p m l k n j n o l k m p A411047 A43600 Sound power level Sound pressure level at driver s seat Keep out from the danger zone of the machine 2 pcs A417273 Risk of crushing keep hands and feet within the drivers area Risk of crushing do not grip the steering wheel from outside the machine or when getting into the driver s seat A411456 A411455 A414690 Hot surface exhaust outlet A414244 Pre...

Page 10: ...peed 12 km h 12 km h Hydraulic oil tank capacity 26 l 26 l Hydraulic oil type ISO VG 46 ISO VG 46 Auxiliary hydraulics oil flow pressure 31 l min 185 bar 34 l min 185 bar Turning radius inside outside 880 1970 mm 880 1970 mm Max lifting height 2750 mm 2750 mm Max lifting capacity hydr 690 kg 690 kg Max tipping load 550 kg 550 kg Max breakout force 50 cm 650 kg 650 kg Sound pressure level 2000 14 E...

Page 11: ... The loader can be equipped with different type of tyres for different operating conditions Grass pattern GR tyres will damage the ground surface less than tractor TR tyres but provide less traction For the best stability and controllability always use the largest tyres possible Tyres that are narrower than the standard tyres are intended for special purposes only with width restriction on the mac...

Page 12: ...e the rear bumper and or behind the rear wheels installed tie down brackets Art A418746 in which the straps and slings can be attached If absolutely necessary the loader can be towed with a rigid tow bar by releasing the hydraulic drive circuit Max allowed towing speed is 3 km h towing distance max 200 m When the drive circuit is released for towing the loader has no brakes Before releasing the dr...

Page 13: ... 13 400 Series Operating instructions Operating instructions ...

Page 14: ...eft drive backward 3 Drive pedal right drive forward 4 Parking brake handle 5 Control lever of boom and bucket 6 Hand throttle lever 7 Auxiliary hydraulics control lever 8 Control lever of telescopic boom 9 12 V outlet 10 Dashboard 11 Hour meter 12 Switches on the panel Work light option Emergency blinker option Windscreen wiper and washer Cab option Beacon option 2 1 3 5 6 7 8 11 12 10 2 1 Front ...

Page 15: ... at the same time with the multi connector Read the operator s manual of the attachment to see how the switches are used with each attachment 5 Control lever of boom and bucket Functions of the electric joystick are explained on page 19 Pull backward to lift the boom Push forward to lower the boom Push left to raise the tip of the bucket filling Push right to lower the tip of the bucket emptying 6...

Page 16: ...ndicator 12 Thermometer 13 Ignition switch 14 Signal horn 15 Seat heater switch optional extra 16 Drive release anti slip valve switch optional extra 17 Boom floating switch optional extra 19 Worklight indicator 1 Drive pedal left drive backward 2 Drive pedal right drive forward 3 Parking emergency brake handle locking pull the handle and turn down into locking position releasing turn up and let t...

Page 17: ... Make sure that the seat is properly adjusted to keep vibrations transmitted by the seat at minimum Long term exposure to vibrations may cause health effects Also as far as possible keep the operating terrain in good condition to minimize vibrations Telescopic boom option Telescopic boom is operated with the control lever no 8 on the control panel see page 15 or with the rocker switch on the joyst...

Page 18: ...t is possible that air gets in the hydraulic system This can lead to inaccurate boom movements and the boom can give in Therefore the boom and attachment coupling plate should always be moved to extreme end positions after switching off boom floating Use boom floating only when necessary Joystick option The loader is equipped as an option with the 6 function joystick where the operation of auxilia...

Page 19: ...ng plate It allows the driver to tilt the attachment sideways to both directions from the driver s seat Tilt adapter is intended mainly for non hydraulic attachments but with the optional double acting extra auxiliary hydraulics outlet in the front A35504 it is possible to mount a hydraulically operated attachment e g a 4 in 1 bucket at the same time Tilt adapter is operated with the auxiliary hyd...

Page 20: ...uick couplers are located on top of the radiator Double acting outlet Warning beacon option The beacon can be removed quickly by unturning its retaining screw and then by pulling the beacon out Place the protective seal on the beacon stand to prevent water entering and damaging the connectors Handle beacon with care The beacon is sealed and its inner components cannot be replaced or repaired by us...

Page 21: ...ng The oil pressure warning light turns on during operation A sudden and unusual noise is heard The colour of the exhaust fumes suddenly darkens or turns white 1 Turn the battery disconnect switch to ON 2 Move the hand throttle lever to approximately throttle 3 Make sure that auxiliary hydraulics is switched off lever in neutral position Do not press on the drive pedals 4 Turn the ignition key to ...

Page 22: ... with a hydrostatic drive system a variable displacement hydraulic pump in the drive circuit is proportianally controlled with the two drive pedals Driving of the machine is controlled with the drive pedals and hand throttle Suitable engine speed is selected with the hand throttle lever on the control panel and desired driving direction and speed are controlled with the drive pedals To get maximum...

Page 23: ...nt The danger zone of the loader covers the reach area of the loader boom the turning area on the side and in the front and rear of the loader Always put down the load when leaving the machine the loader is not designed to stay with the loader boom and load lifted Learn how to operate the loader in a safe place Loader control The loader boom and bucket are controlled with the multi function lever ...

Page 24: ...ent coupling plate happens as follows Stage 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 Make sure that the pins remain in the up position otherwise you cannot couple the attachment properly Stage 2 Turn the attachment coupling plate with the tilt movement so that the upper edge of the plate leans forwar...

Page 25: ...he attachment Make sure that the attachment is properly connected on the attachment coupling plate An attachment that comes loose may tip over or fall on the loader causing personal injuries Do not try to lock the locking pins by using the brackets on the boom when the attachment is lifted over one metre from the ground Lock the locking pins by hand and make sure that both pins lock properly down ...

Page 26: ...26 400 Series Operating instructions ...

Page 27: ...s Service and maintenance instructions Service parts are available through your Avant dealer or authorized service If you are not sure about how to do any service operation ask for additional information before starting servicing Contact Avant service ...

Page 28: ...ve option a pressure accumulator is fitted to the boom hydraulic circuit Do not disconnect any hydarulic component before the accumulator has been isolated from the circuit and the residual pressure has been released Never handle pressurized hydraulic components because ejection of high pressure hydraulic fluid can cause serious injuries Never use hands to search for leaks Do not operate the machi...

Page 29: ... with manometer fitting is required for checking the pressure of the boom lifting and auxiliary hydraulics Loader Every week After 50h Every 200 h year 1 Check tyre pressure n 2 Clean the machine n 3 Grease the machine n 4 Battery check l l 5 Check hydraulic oil level l 6 Check coolant level l 7 Change hydraulic oil filters l l 8 Change hydraulic oil l l 9 Check tightness of bolts nuts and hydraul...

Page 30: ...tion and fastening of battery cables and terminal insulators Make sure that battery cables cannot chafe against any sharp edges Check also condition and fastening of battery disconnect switch and cables 5 Hydraulic oil level Hydraulic oil level can be checked with the dipstick in the filler Oil level should be at the lower mark of the dipstick when the loader boom is up Refill when necessary Do no...

Page 31: ...cked by a competent and experienced technician Call your AVANT dealer if you need assistance 11 Adjust pressure of hydraulic system If the pressure of hydraulic system does not seem to be correct or pressure check indicates that the pressure is wrong it can be adjusted All adjustment screws are protected with a 13 mm nuts and there is a seal ring under each nut When taking off the nuts make sure t...

Page 32: ... should be checked after every 400 operating hours and replaced at least after 800 hours Checking is made by taking the inner boom completely out of the outer boom If the pads have worn so much that they are in level with the boom or excessive boom play can t be removed by adjusting slide pads 1 to 4 replace all slide pads Part nos for the slide pads are Slide pad 1 and 2 A48339 Slide pad 3 and 4 ...

Page 33: ...lfunction always check the fuses first If fuse is blown repeatedly search for cause of burning fuse Electric cables may be damaged Contact service Main fuse box L and ROPS located outside the cab on the right side of the loader boom On loaders equipped with ROPS canopy or cab L lift the boom first for easier access to the main fuses if possible Remember to use the service support If the boom canno...

Page 34: ...y service before storage Store the machine indoors if possible If outdoors storage is necessary protect the machine with the designated cover part no 65478 See the engine owner s manual to prepare the engine for long term storage and how to start it after long storage period Refueling Check fuel level and fill the tank if necessary Make sure to add fuel before the fuel tank gets empty Should this ...

Page 35: ... pcs 1 Lift cylinder both ends 2 2 Steering cylinder both ends 2 3 Tilt cylinder both ends 2 4 Pivot pins on attachment coupling plate boom 2 5 Pivot pin on loader boom 2 Greasing points pcs 6 Articulation joint 2 7 Tilting mechanism 3 9 Telescopic boom grease with boom com pletely retracted 2 Light bulb Lamp type 1 Front light and work lights LED 2 LX DLX Headlamps H4 4 7 7 9 9 2 6 Service and ma...

Page 36: ...s water separator filter is not included in the filter kit and it needs not to be changed unless it breaks Part no for the water separator filter is 64963 Service and maintenance instructions Avant filters Avant 420 Avant 423 1 Air filter 64712 66516 2 Fuel filter 64626 64626 3 Fuel filter pre filter 64657 64657 4 Engine oil filter 64207 64207 5 Hydraulic oil filter return 74093 74093 6 Hydraulic ...

Page 37: ...position Battery discharged or damaged Jump start with another battery See page 34 then charge the battery or replace if damaged Engine overheats Clogged radiator Clean radiator and fan from engine side Coolant level low Add coolant Leaking cooling system Check coolant pressure reservoir cap for tightness Check cooling system and all hoses and connections Hydraulic system overheats Hydraulic oil l...

Page 38: ...________________________ Date of service dd mm yyyy Operating hours Remarks Serviced by Stamp signature ___ ___ ______ ______ 50 h ___ ___ ______ ______ 250 h ___ ___ ______ ______ 450 h ___ ___ ______ ______ 650 h ___ ___ ______ ______ 850 h ___ ___ ______ ______ 1050 h ___ ___ ______ ______ 1250 h ___ ___ ______ ______ 1450 h ___ ___ ______ ______ 1650 h ___ ___ ______ ______ 1850 h ___ ___ ____...

Page 39: ... 39 400 Series EC Declaration of conformity ...

Page 40: ... YLÖJÄRVI FINLAND Tel 358 3 347 8800 sales avanttecno com www avanttecno com AVANT has a policy of continuing improvement and retains the right to change specifications without notice 2018 AVANT Tecno Oy Kaikki oikeudet pidätetään 0418 ...