Operating Instructions
Contents
1. approx 8 e EE Commercial petrol Manufacturer Robin octane number min 90 RON UNE EH 25 D refer to fuel recommendations Version Fan air cooled 1 cylinder ir filter TH Dry filter element 4 stroke engine petrol OHV with foamed preliminary filter ee 75 mm Carburetor Horizontal float Stroke 57 mii carburetor sai G ert ee ee ubic capacity ceM in basic se tting approx 1 4 revs open eege 5 9 kW at 3600 rpm ee RE Torque max 16 7 NM at 2400 rpm dng jet Spark plug Bosch WR7AC Rated speed 3600 rpm NGK BR 6 HS 2 E es Enno mim Top no load speed 3800 rpm Bes Idling speed 00000000022 1200 rom Ignition system f Contactless electronic magnet Engine oil ignition ignition point is pre set radio Filling quantity Dynes eae approx 0 65 remote screened according to VDE Multi grade oil SAE 10 W 40 API SC 0879 Valve lash engine cold Intake 0 08 mm 0 11 mm Outlet 0 08 mm 0 11 mm e gee eee ee Recoil starter agria Two Wheel Tractor 3900 or higher quality Noise level In accordance with German 3rd Ordinance on machine safety law Noise level at operator s ear 87 dB A in accordance with regulations of German Agricultural Association Sound level 99 5 dB A in accordance with EC 842. Oil filling opening of drive gear Steering bar Handlebar Reverse lock Lock pin Clevis W clip Locking lever for attachment coupling on the right seen in travel direction Attachment coupling point with integrated PTO Weight support and engine hoob guard Support leg Engine Name plate on the right seen in travel direction Single wheel brake Wheel flange Transmission oil drain plug on the right seen in travel direction Figure B AA Gah A O Safety lever Hand lever for engine clutch Pawl for engine clutch hand lever Hand lever for differential lock PTO shifter with steering handle swivelled front attachment Gear shifter Locking lever for steering handle side adjustment 7 Gear shifter 10 11 with steering handle swivelled front attachment PTO shifter Speed adjustment lever Handle lever Hand lever for steering brake left Hand lever for steering brake right agria Two Wheel Tractor 3900 Index Amount of Delivefy cccccceeeeeeeeeeeeees 2 Recommendations Lubricants nee 6 Maintenance and Repair 6 Eege 9 Assembly Instructions 10 Designation of Parts 3 7 66 70 1 Safety Instructions 12 18 2 Specifications Dimensions anne 19 Track Width 19 IAG IEP eebe 20 Vibration Acceleration Value 20 Petrol Engine 21 Diesel Enge 22 Noise Levels caaea 21 22 Operation on Slopes 21 22 3 Devices an
3. until oil level reaches rim of oil filler neck Changing Engine Oil The first oil change is after 25 operating hours Following oil changes are after every 50 operating hours Change oil while engine is still warm but not hot danger of burns e Clean drain plug 1 and surrounding parts e Change the oil and dispose of prop erly Check sealing washer for good condition and exchange if necessary For engine oil quality refer to Speci fiactions 1 lt rel 2 F A agria Two Wheel Tractor 3900 45 5 Maintenance gt Petrol Engine agria Dry T ir Fi Se y Type Air Filter liminary filter When you take up operation check the air filter E 12 on dirt Filter element clean it if necessary Air filter cap g Clean the air filter at least every 25 operating hours or at 3 month intervals after some hours in very dusty conditions Clean the air filter and sur rounding parts Loosen the wing nut and take off the filter cap Carefully remove the foamed preliminary filter Wash the foamed preliminary filter in warm lye do not use petrol Sqeeze the foamed preliminary filter like a sponge and dry it O Remove the filter element 7 Tap the filter element against a smooth surface Do not clean the foamed pre liminary filter and the filter ele ment using compressed air and do not soak it in oil Reinstall the filter element and the foamed prelimi
4. Two Wheel Tractor 393900 Petrol Engine EH 25D Diesel Engine L100AE 3658 4431 LI Before commissioning the machine read operating Leg en instructions and observe warnings and safety instructions Operating Instructions No 998 751 A 04 08 Symbols Name Plate Please complete For name plate refer to p3 fig A 15 p7 fig C 15 For engine type and number refer to p66 fig D 17 and p70 fig E 5 Please state these data when ordering spare parts to avoid wrong deliveries Only use original agria spare parts Specifications figures and dimensi ons stated in these instructions are not binding No claims can be derived from them We reserve the right for improvements without changing the se instructions This delivery comprises e Operating instructions Two wheel tractor Basic machine Steering handle Tool kit agria Symbols JOSH BETO ZBOD O D gt agria Service contact e your agria workshop Warning Danger Important information Fuel Choke Battery charge indicator Clutch Forward Reverse Fast Slow Differential Lock wheel drive PTO Brake Parking Brake Closed locked Open unlocked 2 agria Two Wheel Tractor 3900 Designation of Parts Petrol Engine 10 23 4 5 3381_1 n 6 7 agria Two Wheel Tractor 3900 Designation of Parts Petrol Engine agria Figure A SOXO NDS GI AD
5. air screen both serving for good air cir culation gt agria Service Exhaust System Check exhaust system E 3 on a regu lar basis for plant trash and clean if nec essary Otherwise A canger of fire results Check each time before you take up operation Fuel Hoses Exchange fuel hoses every 2 years Leaking hoses must be exchanged im mediately Cleaning the Fuel Strainer Check the strainer on the fuel tap E 15 at least once a year for water and other impurities e Close the fuel tap e Remove the fuel strainer and remove the impurities replace if damaged Rinse the strainer container in fuel Then screw it back on correctly to avoid fuel leakage agria Two Wheel Tractor 3900 5 Maintenance Petrol Engine Cleaning Cylinder Head After every 400 hours of operation take off cylinder head and remove carbon deposits on cylinder cylinder head pis ton crown and valves with a steel brush Afterwards clean with soft brush Re new head gasket and reassemble to cyl inder head Tighten cylinder head bolts in turn Tighten with a torque of 26 Nm gt aqria Service 1 Idling speed mix control screw 2 Idling speed limiter screw 3 Idling speed air jet EH 25 D Governor spring in hole 2 agria Two Wheel Tractor 3900 agria Re adjusting Valve Lash After every 400 hours of operation re adjust valve lash Intake and outlet valve are at 0 1mm when the engine is cold gt
6. Cyclone pre filter agria Dry Type Air Filter When you take up operation check the air filter D 4 on dirt clean it if necessary Clean air filter after a maximum of every 50 operating hours or at least after 3 months in case of heavy dust occurence even earlier Clean air filter and outside surrounding parts Remove the wing nut and air filter cap including the cyclone pre filter Rotate the air filter cap to al low any dirt inside the cyclone pre filter drop out E Carefully remove foamed pre filter Wash foamed pre filter in de tergent and water no petrol O Squeeze foamed pre filter and dry it Remove paper filter element Sightly tap the element on a smooth surface Do not use compressed air to blow out dust of foamed pre filter and paper filter element Do not treat with oil O Re insert the filter element and attach the foamed pre filter Reposition air filter cap and fasten with wing nut Replace paper filter element af ter every 400 operating hours or at least once a year Replace immediately damaged filter elements agria Two Wheel Tractor 3900 51 5 Maintenance Diesel Engine Draining fuel e Provide a proper container with fun nel or similar Remove the drain plug 16 and drain the fuel into a proper container Re attach the drain plug 16 with O ring and tighten it check the O ring and replace it if necessary Fuel filter Cl
7. On tractors equipped with single wheel gear shift do not engage single wheel shift single wheel shift must be locked On tractors equipped with differential lock do not use differential lock when driving in curves Only one passenger may ride on the trailer provided a safe passenger seat is available No additional passengers may be carried When driving downhill shift into lower gears in time On slopes never de clutch to change gears Weights Always fit weights properly and at specified points 15 1 Safety Instructions Maintenance Never carry out any maintenance or cleaning while the engine is running Before you work on the engine always remove spark plug connector petrol engine only Check regularly and if necessary replace all protective devices and tools subject to wear and tear Replace damaged cutting tools Always wear safety gloves and use pro per tools when exchanging cutting tools Do not carry out repairs like welding grinding drilling etc on structural and safety relevant parts e g coupling devices Keep the two wheel tractor and the attachment clean to avoid risk of fire Check nuts and bolts regularly for tight fit and re tighten if necessary Ensure that you re install all safety and protective devices and adjust them properly after maintenance and cleaning Only use original agria spare parts All other conventional spare parts must correspond to quality and tech
8. lean air filter Lubricate coupling attachments Q m O olololo m au T a a o gt Q D o CH Q a D subsequent oil changes subsequent cleaning subsequent oil changes lean spark plug adjust electrode gap m earlier if required Replace spark plug Replace air filter insert earlier if required lean fuel filter OCH amp D bg H Q Q D 3 D p D O E p S 9 Q S amp 5 S bk n l E Q g O 8 oO 2 ES n bai earlier if required Replace fuel filter lean carburetor and adjust lean cylinder head lean injection jet and check Adjust valve lash ubricate steering handle ubricate all gliding parts ala nn Q Ld WW E de d EE WW KH KE IL F a BE w Clean engine oil filter first time w i SS Kam BIE T O NS IL wm KE DiClc bg gon D O D n c 2 I bei n D n 68 agria Two Wheel Tractor 3900 Designation of Parts Petrol Engine Figure E Engine EH 25 D OANDAAWBH Fuel tank cap Fuel tank Exhaust with guard Engine oil plug with dip stick Engine type plate Engine drain plug Support leg Weight support Cooling air screen Starter handle Spark plug and spark plug connector Air filter Choke knob Carburetor Fuel tap m Petrol Engine only Diesel Engine only A Each time before you take up operation B After each cleaning
9. 538 EEC at 85 of engine speed Operability on Slopes Engine is suited for use on slopes with oil level at max upper level mark Continuous operation possible OD TO nse chess 45 inclination 100 21 agria 2 Specifications Diesel Engine Diesel Engine Fuel tank capacity approx 5 5 I Air filter Dry filter element with foamed preliminary filter Manufacturer Yanmar and cyclone pre separator Type Recoil starter version L100AE DI Rated speed 002000 3600 rom Version Fan air cooled Top no load speed 3800 rpm 1 cylinder 4 stroke diesel engine Idling speed 1700 rpm lee 86 mm SONOS nenn 70mm Lubrication Pressure lubrication Cubic capacity 406 ccm via gear pump Output 7 4 kW at 3600 rom Full flow oil filter Engine oil Max torque 27 Nm at 1700 rpm Filling quantity approx 1 65 I Injection pressure 200 bar u glade Ol Valve lash engine cold WAKO ee 0 15 0 02 mm Eege cuties 0 15 0 02 mm Starter un Recoil starter EH een conventional fuel Min cetane rating 45 refer to fuel recommendations Fuel filter Coarse mesh strainer in filler neck Fine mesh strainer in fuel tank drain hole 22 at ambient temperature 15 to 45 C SAE 1
10. Two Wheel Tractor 3900 59 6 Troubleshooting A Problem Petrol engine does not start Misfirings in petrol engine Excessive temperature in petrol engine Misfirings in petrol engine at high speeds Petrol engine frequently stalls in idle 60 Possible cause Spark plug connector not connected Choke is not pulled Engine off switch is set to 0 Safety circuit is not set to start position Fuel tank empty or poor fuel Fuel line clogged Defective spark plug Engine too much fuel flooded engine Engine off line defective Inleaked air due to loose caburetor and suction line Engine running in CHOKE range Loose ignition cable Clogged fuel line or poor fuel Vent opening in fuel tank cap clogged Water or dirt in fuel system Air filter clogged Carburetor misadjusted Low engine oil level Impaired cooling Air filter clogged Carburetor misadjusted Short firing intervals Incorrect idle mix Firing interval too long defective spark plug Carburetor misadjusted Air filter clogged agria Remedy Connect spark plug connector Set Choke lever to operating position BETRIEB Set engine off switch to I Set safety circuit to start position Fill fresh fuel Clean fuel line Clean adjust or exchange spark plug Dry and adjust spark plug and start at full throttle Check line and connections Tighten fastening screws Set CH
11. aqria Service Cleaning the carburetor Clean the carburetor every 400 opera tion hours and then readjust the idle speed Idling Speed Always ensure that idling engine speed is adjusted correctly Ensure smooth running of engine by positioning speed control lever to idling position at stop To set engine speed adjust idling speed control screw 2 and idling speed mix control screw 1 in turn Then adjust throttle control cable to no play with ad justing or locking screw Do this while the engine is warm For idling speed rates refer to Specifications gt agria Service Idling Speed Governor For correct functioning of the governor on the engine and for adjustment of up per idle speed ranges the governor spring must be in the appropriate place see fig Any changes to the position A of the spring cause warranty and type approval to become void Keep governor spring speed contro le ver and linkages free from dirt and plant trash at all times 49 5 Maintenance Diesel Engine aQgrid Apart from observing all operating instructions it is also important to pay attention to the following maintenance instructions Please note N Only do all maintenance work with the engine shut off and spark plug connector disconnected When working on mowing knives wear safety gloves Engine Checking Oil Level e Each time you take up operation and after every 8 operating hours Check only wi
12. cooling system causes the engine to heat up and become damaged Always check cooling air screen J 10 and free from dirt and plant trash taken in e After every 100 operating hours or at least once a year before season starts remove fan case to clean cooling fins on cylinder and cylinder head as well as guiding plates and cooling air screen both serving for smooth air circulation gt aqria Service Exhaust System Constantly check exhaust system J 9 for plant trash and clean if necessary Other wise danger of fire 5 Re adjusting Valve Lash After every 400 operating hours re adjust valve lash Re adjust outlet and intake valve lash to be 0 15 0 02mm when the engine is cold 3 aqria Service Injection Jet After every 400 operating hours clean and check injection jet agria Service Idling Speed Always ensure that idling engine speed is adjusted correctly At low speeds the engine is supposed to run smoothly with speed control lever at stop in neutral 9 aqria Service agria Two Wheel Tractor 3900 53 5 Maintenance Machine agria Gearbox Base Machine Check oil level in gearbox each time before you take the machine into operation and af ter every 50 operating hours oil dip stick and filling opening A 3 or C 3 With the tractor parked in horizontal position the oil level is between the notches max and min e Screw out oil dip stick clean with clean cloth
13. in an emergency Ensure that all protective devices are mounted and positioned to provide protection With no attachment mounted make sure PTO shaft is covered with the protective cap Starting the engine Do not start engine in closed rooms The carbon monoxide contained in the exhaust fume is extremely toxic when inhaled Before you start the engine set all operating elements to neutral or idling position When starting the engine do not step in front of the two wheel tractor and the attachment Do not use assist starting liquids when using electrical assist starting devices jumper cable Danger of explosion Operation Never leave the operator s position at the steering handle while tractor is at work Never adjust the handles during work danger 13 1 Safety Instructions During operation do not leave the operator s position at the steering hand le especially not when you turn the machine Riding on the attachment during operation or in transport is not permitted If clogging occurs in the attachment turn off the engine and clean the attachment with an appropriate tool In case of damage to the two wheel tractor or to the attachment immediately turn off the engine and have it repaired If steering causes problems immediately bring the two wheel tractor to a halt and turn it off Have the malfunction removed without delay To prevent the tractor from slipping in hillside operation ma
14. in fuel system Air filter clogged Injector nozzle or injection line clogged Excessive Lack of engine oil temperature in Impaired cooling diesel engine Diesel Engine Injector nozzle clogged misfirings Wrong injection pressure at high speeds Diesel Engine Air filter clogged frequently Stalls in idle Diesel Engine Improper adjustment does not stop of engine off cable when set to STOP agria Remedy Clean speed control linkages Check line and connection check earth contact Clean air filter Tighten cylinder head exchange sealing Have engine checked Move speed control lever to Max Fill fresh fuel Clean fuel line or filter Clean injector nozzle or injection line Check pressure Clean fuel line fill fresh fuel Exchange fuel tank cap Drain fuel and fill fresh fuel Clean air filter Clean injector nozzle or injection line Refill engine oil immediately Clean fan grille clean internal cooling fins Clean injector nozzle Re adjust injection pressure Clean air filter Re adjust engine off cable agria Two Wheel Tractor 3900 Page 61 48 56 46 41 52 53 51 53 50 53 53 51 56 6 Troubleshooting Problem Possible cause Diesel Engine Air filter clogged output Loose cylinder head or too low damaged gasket Poor compression Machine in general Clutch does Hand clutch lever misadjusted not decouple Clutch slips Hand clutch lever misadjuste
15. lever and hand clutch lever in start position O Start engine from a position outside the danger zone Pull starting rope on handle E 10 until you feel starter clutch engage Then pull hard and fast to start the engine After the start carefully let rope glide back Do not let snap d Once the engine has started let it warm up for some time Slowly push choke back into operating position if necessary 38 agria Two Wheel Tractor 3900 4 Commissioning and Operation agria Switching off Petrol Engine O vove the gear shifter and PTO speed shifter to position 0 Move the speed control lever to idle position and let the engine run idle for approx half a minute Release safety lever B 1 Close the fuel tap Secure the two wheel tractor against rolling away and unauthorized use dis connect spark plug connector Note Engine off switch B 1 also serves as emergency off switch If necessary set switch to 0 to turn engine off To park the machine for longer periods of no operation do not use the engine off switch to turn off the engine but close fuel taps and let engine run until it slowly comes to a complete stop This ensures the carburetor to be empty and no resin residue to deposit agria Two Wheel Tractor 3900 39 4 Commissioning and Operation Diesel Engine Version ag Ha Commissioning Please note that durability and operational safety of the en
16. tional Diesel fuel of a min cetane rat ing of 45 Do not use Diesel fuel oil substitutes they may be harmful to the fuel sys tem Fuel should be free of water or dust Winter operation To ensure reliable winter operation use winter diesel fuel to be pur chased at filling stations At outside temperatures of below 15 C take the following additional precautions add commercial flow conditioners or add paraffine oil to depress diesel pour point Paraffine winter summer oil diesel diesel fuel fuel pour point 50 app 31C app 25T 30 app 26C app 15T 10 app 20T app 9T As a last resort you can add up to 30 of regular petrol to avoid paraffine deposits However this has negative effects on consumption rate and performance agria Two Wheel Tractor 3900 9 Instructions for Unpackin nd Assembly AQMIa Open top of cardboard box e Cut along all four corners of the box and fold down the sides 12 Move the reverse gear lever 4 backwards Fit the steering handle 1 onto the pin 3 of the steering column Make sure that Bowden cables 2a are routed on the right side of the steering column and and Bowden cables 2b and 2c on the left side of the steering handle seen in travel direction Press the steering handle all the way down until it rests on the surface of the steering column Before push the reverse gear lever 4 all the way back Use a srew driver o
17. 0W 40 API SC or higher at ambient temperature 25 to 15 C SAE 5W 20 API SC or higher Noise level Noise level at operator s ear in accordance with EN 709 Acoustic power level 99 dB A in accordance with EC 84 538 EEC at 85 of engine rated speed 88 dB A Operability on Slopes Engine is suited for use on slopes oil level at max upper mark Continuous operation possible UD TO art ase tt 20 inclination 44 agria Two Wheel Tractor 3900 3 Devices and Operating Elements The two wheel tractor agria 3900 is a powered basic machine and is always operated with an attachment mounted Available attachments among others e Rear attachments for hoeing and tilling draft attachments for soil cultivation two wheel trailers gravel and salt spreading e Front attachments for mowing sweeping snow Clearing and tilling gravel and salt spreading For a choice of further attachments refer to our price list Engine The four stroke petrol engine runs on commercial petrol refer to fuel recommendations p9 Ignition System The engine is equipped with a contact less ignition system We recommend to have necessary check ups done by an expert only The four stroke diesel engine runs on conventional diesel fuel or rape oil refer to fuel recommendations p9 See to using proper fuel in winter During the first 20 operating ho
18. 1 Stop position When releasing the lever B 1 the engine is shut off Beware engine keeps running due to centrifugal mass Start position For starting the engine and for short breaks press the safety lever B 1 pull the the clutch lever B 2 and lock with pawl B 3 Operating position For machine operation press safety lever B 1 A Do not fasten safety lever The safety lever also serves to switch off in an emergency Release the safety lever for fast engine switch off The lever automatically goes to STOP position 24 agria Two Wheel Tractor 3900 3 Devices and Operating Elements AQT Clutch The tractor is equipped with a double disc dry clutch which is operated via the hand clutch lever B 2 When the hand clutch lever is pulled the clutch is decoupled Le the engine stops driving the two wheel tractor Watch for the correct clutch play to avoid clutch slipping away during operation With the engine running do not park the tractor for an ex tended period of time while the clutch is pulled because this may result in damage to the clutch release bearing With the engine stopped always park the two wheel tractor with the hand lever pulled pawl is locked into place otherwise clutch problems may occur due to corrosion agria Two Wheel Tractor 3900 25 3 Devices and Operating Elements SATa Gearbox Only change gears when the machine is not travelling and when
19. K Checks and maintenance to be executed by operator W Maintenance to be executed by professional workshop F Maintenance should be carried out by your agria workshop after 2 years agria Two Wheel Tractor 3900 agria 69 agria Petrol Engine Designation of Parts Fig E Z 89E agria Two Wheel Tractor 3900 70 Declaration Conformity EG Konformitatserklarung CE D claration de conformit EC Declaration Conformity EG conformiteitsverklaring Nous We agria Werke GmbH Bittelbronner Str 42 Wir D 74219 M ckm hl W rtt erkl ren dass das d clarons que le produit herewith declare that Produkt the product Einachstraktor Motoculteur Pedestrian controlled tractor 3900 241 3900 521 for all common applications and tasks in forestry grass and park maintenance pour tre utilis e dans le domaine forestier pour l entretien des espaces verts et des sols ftir die Verwendung in der Land oder Forstwirtschaft conforms to the specifications of the following EC directives est conforme aux sp cifications des directives CE suivantes mit folgenden EG Richtlinien bereinstimmt 98 37 EG 89 336 EWG 98 37 CE 89 336 CEE 98 37 EC 89 336 EEC 2000 14 EG 2000 14 CE 2000 14 EC Angewendete Normen Standards appliqu s Applied standards EN 709 EN 12733 EN ISO 14982 M ckm hl 02 01 2002 DAA ZER Siegfried Arndt Karl Graf Gesch ftsf hrer Entwicklung a
20. O is then engaged by actuating the PTO shif ter on the basic machine To attach the cutterbar type ranges 3400 and 5500 attach the bracket for the cutterbar bonnet 8 12 to the top attachment bolt Decoupling in reverse order agria Two Wheel Tractor 3900 35 3 Devices and Operating Elements SATa Engine cover Removing the engine cover Pull onthe cover at its rear end and lift it Pull onthe cover at its front end and remove it Replacing the engine cover Place the rubber cups onto the ball heads Then press gently on the front and rear cover ends to lock the cups onto the ball heads For an easier assembly apply Bio lubrication grease on the rubber cups d Y CN gt RAAM Oort UII Bou y MA gt AN 36 agria Two Wheel Tractor 3900 4 Commissioning and Operation e Petrol Engine Version agria Commissioning Please note that durability and operational safety of the engine depend to a large extent on its breaking in Always allow a cold engine to warm up for some minutes and never run it at full throttle at the beginning Please note for the first 20 hours of operation break in period do not use the engine at full power Make sure you check and maintain air filters regularly and use clean fuel Only use branded petrol Only use fresh clean fuel not older than 3 months and approved fuel cans to be purchased in special shops Rusty sheet metal
21. OKE lever to operating position Firmly connect spark plug connector to spark plug fix ignition cable bracket Clean fuel line fill fresh fuel Exchange fuel tank cap Drain fuel and fill fresh fuel Clean air filter or exchange Re adjust carburetor Refill oil immediately Clean cooling fan grille clean internal cooling fins Clean air filter Re adjust carburetor Adjust spark plug Adjust carburetor Adjust or replace spark plug Re adjust carburetor Clean air filter agria Two Wheel Tractor 3900 Observe safety instructions Have all serious malfunctions on the machine or engine repaired by your agria workshop They have the proper tools Improper repairs can only add to the damage Page 38 38 24 47 47 47 56 38 46 49 45 48 46 49 47 49 47 49 46 6 Troubleshooting Problem Possible cause Petrol Engine Speed control linkages does not run clogged or jammed smoothly Petrol Engine Defective engine stop line does not stop earth missing when set to stop Petrol Engine Air filter clogged output Loose cylinder head or too low damaged sealing poor compression Diesel Engine Speed control lever set to STOP does not start Fuel tank empty or poor fuel Fuel line or fuel filter clogged Injector nozzle or injection line clogged Wrong injection pressure Misfirings in Clogged fuel line or poor fuel diesel engine Vent opening in fuel tank cap clogged Water or dirt
22. and screw back in Take dip stick out again and read oil level refill transmission oil if necessary Change transmission oil of base machine after the first 50 operating hours and after every 300 operating hours while the engine is still warm Clean oil filler plug A 3 or C 3 and drain plug A 18 or C 18 as well as surrounding parts Change the oil and dispose of prop erly Check sealing washer for good condition and exchange if necessary For transmission oil quality refer to Specifications Drive Wheels O when commissioning the tractor and each time you change wheels check and tighten wheel bolts and nuts after the first 2 operating hours with 50 Nm Proceed likewise when doing maintenance work Check tyre air pressure regularly For smooth driving make sure that there is the same pres sure in front and rear tyres respectively Drive Wheels 54 agria Two Wheel Tractor 3900 5 Maintenance agria Coupling Attachments After every 50 operating hours and each time you clean the machine with air compressed water jets lubricate the nipples with Bio lubricating grease Additionally grease the PTO each time before you couple an attachment Steering Handle Lubricate nipples on steering handle and coupling Bio lubricating grease yearly and after each cleaning with air compressed water jets Apply grease generously to leave a grease collar around the bearings to prevent wa
23. ay all shining parts and the cutter bar with Bio slushing oil c Engine preservation e Petrol Engine Drain fuel completely or fill fuel tank and add fuel stabilizer agria No 799 09 Observe enclosed instructions Let engine run for approx 1 minute Change the engine oil Fill a tea spoon approx 0 03 of en gine oil into the spark plug opening Slowly crank the engine Set the piston to compression via the recoil starter pull the starter grip until resistance is felt valves are closed Slowly crank the engine after every 2 3 weeks spark plug connector is re moved Then set the piston to compres sion again e Diesel Engine Change engine oil For longer storage close exhaust pipe and air filter opening with crape or simi lar tape 58 agria d Drive wheels Support drive wheels in such a way that tyres have no ground contact Pneumatic tyres are quickly de stroyed if left standing under load and unsup ported e Clutch Always park two wheel tractor with clutch lever pulled pawl locked in place Otherwise clutch problems may result due to corrosion f Parking Because of severe corrosion do not park the tractor in humid rooms in rooms where fertilizer is stored in stables or adja cent rooms g Covering the machine Protect the ma chine with cloth or a similar cover agria Two Wheel Tractor 3900 agria agria
24. bon monoxide which axts toxic when inhaled Engage the central brake B 10 and 11 to improve tractor stability Check the engine oil level Air filter cleanful Sufficient fuel is filled into the tank Open the fuel tap D 3 O Set speed control lever B 8 to H max Set safety lever B 1 and hand clutch lever B 2 to start position Slowly pull on the handle of the starting rope D 6 until you feel resistance piston in compression position Pull decompression rope D 14 downwards O Start engine from a position outside the danger zone Pull starting rope D 6 hard and fast to start the engine After the start care fully let rope glide back Do not let snap Decompression automatically goes back into former position Slowly set speed conrol lever to centre position half throttle and let engine warm up for some time agria Two Wheel Tractor 3900 41 4 Commissioning and Operation AQTA Turning off Diesel Engine O set gearshift and PTO speed change shift to position 0 Before you turn off the engine let it run at increased idling speed for 1 minute to cool down and to avoid carbon to deposit on the injection valve This ensures continued and reliable operation set speed control lever B 8 to STOP For turning off the engine never activate decompression as this might damage the valves Close the fuel tap D 3 Secure
25. cans or fuel cans not suited for petrol are not permitted For the first commissioning or after longer periods of no operation fill fuel tank to maximum to avoid starting problems A careful when dealing with fuel md is easily inflammable and explosive in certain conditions e Do not refill in closed rooms e Before each fuel fill shut off the engine and wait until it has cooled off Never refill close to open fire inflammable sparks or hot engine parts e Do not smoke during filling e Do not spill any fuel use a proper filling de vice Do not cause fuel tank to overflow but leave a 5 mm margin for the fuel to expand e Check transmission oil level see page 54 Note For reasons of transport the engine is not filled completey with engin oil Before you operate the engine the first time fill in engin oil see page 45 agria Two Wheel Tractor 3900 37 E Starting Petrol Engine Never start engine in closed rooms Exhaust fumes contain carbon monoxide which axts toxic when inhaled Pull the central brake B 10 und 11 Check the engine oil level Air filter cleantul Sufficient fuel is filled into the tank Mount spark plug connector Open fuel tap E 15 Choke e Cold engine pull CHOKE knob E 13 e Warm engine leave CHOKE knob in normal operating position or pull out half way set speed control lever B 8 to 1 3 throttle Press safety circuit
26. d Worn out clutch Excessive Loosened fastening screws vibration For this purpose contact your agria workshop Remedy Clean air filter Tighten cylinder head exchange gasket Have engine checked Adjust clutch free play Adjust clutch free play Exchange clutch disc Tighten fastening screws 62 agria Two Wheel Tractor 3900 agria Page 51 x x 56 56 x 57 Electrical Wiring Petrol Engine agria 1 Engine 2 Magnet ignition system 3 Switch in safety circuit lever agria Two Wheel Tractor 3900 63 LU T ER agria Order No Fuel Stabilizer for Petrol Engine 799 09 Fuel stabilizer pouch 5g Varnishes 181 03 Spray varnish birch green spray tin 400ml 181 04 Spray varnish blood orange spray tin 400ml 712 98 Spray varnish red RAL 2002 spray tin 400ml 509 68 Spray varnish black spray tin 400ml Glues for screw fastening Surface Sealing 559 94 Glue medium LOCTITE 242 bottle 50ml 559 95 Glue strong LOCTITE 270 bottle 50ml 559 96 Glue ultra strong LOCTITE 638bottle 50ml 509 85 Surface sealing liquid LOCTITE 573tube 50ml 509 68 Surface sealing liquid LOCTITE 573tube 250ml Verschlei teile 707 91 Air filter set Robin engine 671 87 Spark plug Bosch WR7AC 684 16 O ring oil dip stick Robin engine 009 05 O ring 14x20x1 5 oil drain plug Robin engine 415 060 Air filter element Yanmar engine 415010 Fuel filter Yanmar engine 415011 Fuel filter gasket Yanmar engine 021 43 O ring 14x1 6 Fue
27. d Operating Elements Engine ee een 23 Safety Circuit anna 24 BIUIENS Sense 25 Eege 26 Differential Gear 26 Single Wheel Brake a00000aaaaaaa 27 Central Brake 27 Pie een ert eee 28 Reversing LOCK 222222244eennn 28 Steering Handle 29 Drive Wheels ccccccecceeeeeeeeeeeeeeeees 31 Front Weight EE 32 Support WE 32 Coupling and Decoupling Attachments eedeege ee eege 33 elei 36 agria 4 Commissioning and Operation Commissioning the Petrol Machine 37 1 Starting the Petrol Engine 38 Switching off the Petrol Engine 39 Commissioning the Diesel Machine 40 Starting the Diesel Engine 41 Switching off the Diesel Engine 42 Operations aussi 43 2 5 Maintenance Petrol Engine een 45 49 SAIFI eege 46 2 Spark Eeer 47 Wy Diesel Engine en 50 53 Engine Ol Filtet aan 50 Alf Piller u 51 UE 54 Adjustments on Hand Levers 56 General una ee 57 4 STORAGE eege 58 6 Troubleshooting 60 62 Electrical Wiring Diagram 63 Varnishes Wear Parts 64 5 Inspection and Maintenance Chart 68 Conformity Declaration 71 LEN Note fold out pages Fig A B Petrol Engine Vers 3 Fig B C Diesel Engine Vers 7 Fig D Diesel Engine 66 Fig E Petrol Engine agria Two Wheel Tractor 3900 5 Recommendations Lubricants and Anti Corrosiv
28. des winter service and ground clearing due use Any other type of operation is considered undue The manufacturer is not liable for any damages resulting from undue use for which the risk lies with the user alone Due use includes compliance with manufacturer s instructions on operation maintenance and repair Any unauthorized changes to the two wheel tractor render manufacturer 12 agria liability null and void General Instructions on Safety and Accident Prevention Basic Rule The respective national accident prevention regulations have to be adhered to as well as all other generally accepted rules governing operational safety occupational health and road traffic regulations When driving on public roads you have to observe the current traffic code Accordingly check the two wheel tractor for road and operational safety each time you take up operation Only persons familiar with the tractor and instructed on the hazards of operation are allowed to use maintain and repair the tractor Teenagers younger than 16 years are not allowed to operate the two wheel tractor Only work in good light and visibility Operator s clothes should fit tight Avoid wearing loose fitting clothes Wear solid shoes Note the warning and instruction signs on the tractor for safe operation Comply for your own safety When transporting the tractor on vehicles or trailers outside the area to be cultivated ens
29. e Agents Use the lubricants specified for engine and gearbox see Specifications We recommend using Bio lubricating oil or Bio lubricating grease for open lubrication points or nipples as specified in the operating instructions We recommend using Bio slushing oil to preserve machines and attachments do not apply on painted covers you can brush or spray the oil Anti corrosive agents are environmentally friendly and degrade fast Using ecologically safe Bio lubricants and Bio anti corrosives you contribute to environmental protection and to the wellbeing of humans animals and plants agria Maintenance and Repair The trained mechanics of your agria workshop expertly carry out any maintenance and repair work you should only carry out major maintenance work and repairs on your own if you have the proper tools and knowledge of machines and internal combustion engines Do not hammer against the flywheel with a hard object or metal tools as it might crack and shatter in operation causing injuries and damage Only use suitable tools to pull off the flywheel 6 agria Two Wheel Tractor 3900 Designation of Par NO s Engine agria C 1 2345 6 7 agria Two Wheel Tractor 3900 7 Designation of Parts Diesel Engine agria Figure C SOXO NDS GI AD Oil filling opening of drive gear Steering bar Handlebar Reversing lock Lock pin Clevis W clip Locking lever fo
30. ean the fuel filter insert at approx 200 operating hour intervals earlier if en gine ouput drops Filter disassembly assembly Drain the fuel Remove hex head nuts X 7 Remove the filter insert X 4 from the fuel tank through the filling hole e Clean the fuel filter with diesel oil and replace the insert if it is damaged Reverse the above order to reassem ble the fuel filter after checking and re placing if necessary the gasket X 5 and o ring X 6 Tighten the hex nuts Fill fuel and check the fuel system for leakages Bleed the fuel system e Exchange the fuel filter after 400 hours Fuel Hoses Exchange after every 2 years exchange leaking fuel hoses immediately 52 Fuel tank Fuel tap Filter insert Gasket O ring Hex head nut Drain plug 2 200 h 400 Bleeding the Fuel System The engine is equipped with an auto matic bleeding system however after the fuel tank was emptied completely or after exchanging or cleaning the fuel filter fuel hoses proceed as follows Fill diesel fuel into fuel tank e Crank engine several times with re coil starter or electric starter and start engine Let engine run for approx 1 minute agria Two Wheel Tractor 3900 5 Maintenance Diesel Engine agria Cleaning the Cooling System After a long period of operation the cooling system may become clogged by dirt and plant trash Uninterrupted operation with a clogged
31. ear is activated by rotating the steering handles It enables the operator to use each gear in forward and reverse even with front attachments mounted The table below lists the top speed available in each gear Lockable differential Transmission oil Filling quantity approx 1 51 Transmission oil SAE 90 API GL5 e g BP Energear Hypo Travel Speeds 5 00 10 AS km h 1 2 3 4 R 5 00 12 AS km h 1 4 R 1 4 3 0 40 12 32 1 9 3 8 5 3 15 6 4 2 16 32 44 13 35 20 agria EEN 837 rom gear independent at 3600 engine rpm direction of rotation right clockwise looking on PTO constant in forward and reverse Steering handle height adjustable side adjustable without tools swivels 180 for front attachments Vibration acceleration value on handlebar grip Petrol engine EH 25 D a lt 2 5 m s Diesel engine L100 AE with hoeing attachment a 4 m s with hoeing attachment a 12 m s in accordance with ISO 5349 at 85 of rated engine speed with working tools Weights Curb Weight without with drive wheels 5 00 10 Petrol engine EH 25 D 81 9kg 102 3 kg Diesel engine L100AE 112 kg 130 kg Permissible total weight 250 kg Permissible tongue load ON coupling point 85 kg Coupling device CCESSOFY heess 3940 011 agria Two Wheel Tractor 3900 2 Specifications Petrol Engine agria Engine EH 25 D Fuel tank capacity
32. fied circuit breakers If the circuit breakers are to strong they will destroy the electrical system danger of fire Always cover positive terminal with the specified cover or terminal cap Persons having a pacemaker may not touch live parts of the ignition system when the engine is running 17 m Warning Si of oe Signs Before any cleaning maintenance EI Do not touch moving machinery parts repair work switch off the engine and pull Wait until they have come to a complete spark plug connector stop With the engine running keep at a safe With the engine running keep at a safe distance from cutting or hoeing tools distance from tractor Do not work without protective covers Signs When working with the ma au chine wear individual gt protective ear plugs mounted Before starting the engine Wear protective gloves bring covers in proper position With the engine running keep at a safe distance from knife 18 agria Two Wheel Tractor 3900 2 Specifications Machine ag ria Two Wheel Tractor Tyre Accessory To fit the drive wheel see page 31 3990 111 5 00 10 field tyre Air pressure 1 2 bar 3990 411 5 00 12 Track Width Plan mm Tyre 5 0 10 AS agria Two Wheel Tractor 3900 19 2 Specifications Clutch Single disc dry clutch Gearbox Manual gearwheel 4 forward and 1 reverse gears with automatic reverse shuttle gears The reverse g
33. g Lock PTO Lock The two wheel tractor is equipped with an automatic reversing lock A 6 Locking lever This prevents the PTO for the hoe from being engaged while the tractor is in reverse It also prevents the reverse gear from being engaged while the PTO is at work Rear attachments Reverse gear is engaged pto engagement is locked Rear attachments Front attachments Machine is in neutral or in forward gear Pto engagement is unlocked for all pto engagement is unlocked speeds 28 agria Two Wheel Tractor 3900 3 Devices and Operating Elements AQT Steering Handle Only adjust the steering han dle when the machine is in idle or off Steering Handle Height Adjustment Press down locking lever B 6 until notches are free Adjust handlebar to desired height fig K e Release locking lever and fit handle bar into proper notch in such a way that the locking lever swivels back into its original position Steering Handle Side Adjustment you can swivel the steering handle from its normal position centre position approx 30 to the left or right fig L e Pull handle lever B 9 and swivel the steering handle to the left or right and into the desired position Release handle lever B 9 and lock into an appropriate notch on the steering handle agria Two Wheel Tractor 3900 29 3 Devices and Operating Elements SATS Swivel Steering Handle 180 For mounting front attachme
34. gine depend to a large extent on its breaking in Always allow a cold engine to warm up for some minutes and never run it at full throttle at the beginning Please note for the first 20 hours of operation break in period do not use the engine at full power Make sure you check and maintain air filters regularly and use clean fuel Only use branded Diesel ensure timely provision of winter Die sel fuel see page 9 Only use approved fuel cans to be purchased in special shops Rusty sheet metal cans or fuel cans not suited for Diesel are not permitted For the first commissioning or after longer periods of no operation fill fuel tank to maximum to avoid starting problems Be careful when dealing with we e Do not refill in closed rooms e Before each fuel fill shut off the engine and wait until it has cooled off Diesel e Never refill close to open fire inflammable sparks or hot engine parts e Do not smoke during filling e Do not spill any fuel use a proper filling de vice Do not fill the fuel tank beyond the red mark on the filler strainer e Check transmission oil level see page 54 Note For reasons of transport the engine is not filled completey with engin oil Before you operate the engine the first time fill in engin oil see page 50 40 agria Two Wheel Tractor 3900 4 Commissioning and Operation agria Starting Diesel Engine Never start engine in closed rooms Exhaust fumes contain car
35. hey are completely empty Empty them in ventilated places safe from spark formation or flames If necessary dispose of tins in hazardous waste deposits Be careful when draining hot oil danger of burns Make sure oil used is of specified quality Storage is in approved cans only Dispose of oil greases and filters seperately and properly Tyres and Tyre Air Pressure When working on the tyres make sure the two wheel tractor is parked properly and secured against rolling off Any repairs are to be carried out by trained mechanics only and with the appropriate tools agria Two Wheel Tractor 3900 agria Regularly check air pressure in the tyres Excessive pressure may cause bursts When adding weight make sure the air pressure in the tyres is correct Re tighten fastening bolts of drive wheels or check tightness when doing maintenance work Electrical System and Battery When working on the electrical system make sure the battery is disconnected negative terminal for tractors equipped with battery Make sure to connect the battery properly first connect the positive terminal and then negative terminal Disconnect in reverse order Be careful with battery gases explosi ve Avoid spark discharge and open flames near batteries Remove plastic cover if equipped to recharge battery and to prevent highly explosive gases from building up Careful when handling battery fluid Only use speci
36. ioned at the front under the engine hoob guard To park the tractor push the leg down and forward For working push it back up 32 agria Two Wheel Tractor 3900 3 Devices and Operating Elements ASIN NE Coupling and Decoupling Attachments Rear Attachments Mount and remove attach A ments only with engine switched off Coupling attachments O Remove plastic cap from attachment coupling pin Ensure that coupling surfaces on two wheel tractor and attachment are clean 3 and greased Clean and grease if necessary Set gearshift to 0 For PTO driven attachments set PTO shifter B 5 on two wheel tractor to position 0 Turn locking lever A 10 C 10 to position open 9 Push attachment in to stop shoulder Turn locking lever A 10 C 10 to position closed 9 The locking bolt locks automatically If not twist and turn the attachment slightly to the left and right Decoupling attachments Turn locking lever A 10 C 10 to position open 9 2 Decouple attachment Refit cap onto attachment coupling pin agria Two Wheel Tractor 3900 33 3 Devices and Operating Elements SATa Front Attachments To use the two wheel tractor with front attachments e g mowing snow clearing etc swivel the steering handle clockwise 180 50 The gear shifter is now to the left and the PTO shifter is to the right of the steering handle Speed shift pos
37. it is decoupled With the steering handle swivelled 180 for front attachment the gear shifters for transmission and PTO have changed sides gt bal Gearshifting Gears are engaged via gear shifter B 7 Between two gears there is a neutral position The position of the shifter in the transmission shift gate indicates the gear selected Differential Gear To improve traction in severe conditions differential gear can be locked with hand lever B 4 Keep the differential gear locked only as long as it is necessary As the steering of the tractor is easy you should disengage the differential lock when driving with a trailer mounted especially in curves Engaging differential lock rigid wheel shaft On the go Release the throttle 2 Move the hand lever for differential lock B 4 forward Press the throttle accordingly Disengaging differential lock Move the hand lever B 4 for diffe rential lock backward P 26 agria Two Wheel Tractor 3900 3 Devices and Operating Elements gel Single Wheel Brake Turning assistance The two wheel tractor is equipped with a single wheel brake system for easier steering or turning This system allows the brake to be engaged on either the left or the right wheel seperately as required Engage the brakes via the hand levers B 10 or B 11 To turn right pull hand lever B 11 To turn left pull hand lever B 10 A With the steering ha
38. itions are vice versa Fig S In addition hand lever 1 see fig S now brakes the right wheel and vice versa Each time the steering handle is swivelled 180 for front attachment the wheels should also change sides for the tread profile to match the new travel direction For this purpose remove wheels and fit the right wheel onto the left side and the left wheel onto the right side Coupling and Decoupling Attachments Proceed in same order as for rear attachments em 133 34 agria Two Wheel Tractor 3900 3 Devices and Operating Elements ASST NES lt Ei 9 Type ranges 3400 and 5500 8 Angle for bracket holding ou the cutterbar bonnet 9 ann 9 Bracket for cutterbar Z bonnet 10 Hex head bolt 11 Star washer 12 Hex nut Adapter for coupling agria attachments type ranges 3400 and 5500 Coupling the Adapter Ensure that the coupling surfaces on the adapter and on the attachment are clean Clean them if necessary On PTO driven attach ment Move lever 6 on the attachment to position 0 Ensure some bio lubri cating grease is applied to the coupling sleeve Inch the adapter 2 to wards the attachment 3 Ensure that the flange cen terings 7 are in the correct position and that flange sur faces are flush Attach attachment bolts 1 4 and 5 and tighten them On PTO driven attach ments move lever 6 on the attachment to position T The PT
39. ke sure it is secured by another person who uses a bar or a rope to hold the tractor This person has to be located at a higher position than the vehicle and at a safe distance from the tools at work If possible always work diagonally to the slope End of Operation Never leave the two wheel tractor unattended with the engine running Before you leave the two wheel tractor turn off the engine Then close fuel taps Secure the two wheel tractor against unauthorized use If tractor is equipped with an ignition key remove the key For all other versions remove the spark plug connector to secure the tractor 14 agria Attachments Only mount attachments with the engine and PTO switched off Always use appropriate tools and wear gloves when changing attachments and parts thereof To fitt and remove attachments bring the support leg into proper position and ensure stability Secure the two wheel tractor and attachments against rolling off parking brake wheel chocks Beware of injuries while coupling attachments Couple the attachments as specified and only couple at specified points Secure the two wheel tractor and attachment against unauthorized use and rolling off when you leave the machine If necessary install transport or security devices and secure them Hoeing Attachment Adjust the protective covers in such a way that only the hoeing tools penetrating the soil are not covered When hoeing
40. l tap Yanmar engine 009 16 O ring 16x22x1 5 oil drain plug Yanmar engine 009 16 O ring 16x22x1 5 oil dip stick and oil drain plug gearbox Ersatzteillisten 997 091 Base machine and Implements Type 3900 997 077 Robin Engines 997 147 Yanmar Engine 997 062 Cutter Bar 64 agria Two Wheel Tractor 3900 Designation of Parts Diesel Engine Figure D Engine L100AE OANDAAWBH Fuel tank cap Fuel tank Fuel tap Air filter Preliminary air filter Starter grip Cooling air grille Decompression lever Exhaust Engine oil filler opening dip stick Engine oil drain plug Engine oil filter Decompression cable Injection pump Fuel drain plug Engine type plate engine I D Ball head engine cover agria Two Wheel Tractor 3900 agria 65 Designation of Parts e 2 Diesel Engine agria Fig D Engine L100AE 66 agria Two Wheel Tractor 3900 Notes agria Two Wheel Tractor 3900 agria 67 _Inspection and Maintenance Chart AQUI Q S Q D H be lt Q G S E gt a y fo gt gt a engine shut off switch function heck engine shut off switch function heck free play of levers lean cooling screen heck air filter lean surrounding parts of exhaust heck engine oil level refill if necessary heck transmission oil level ighten wheel bolts and nuts heck or clean speed control linkages leaning heck bolts and nuts lean air filter First engine oil change subsequent oil changes
41. locking nut 2 on the adjustment screw 1 Adjust the adjustment screw to a play of A 5 6 mm Re tighten locking nut 56 agria Two Wheel Tractor 3900 5 Maintenance agria General Maintenance Every time You take up operation watch out for fuel and oil leakage repair if neces sary Regularly check bolts and nuts for tight fit re tighten if necessary At least once a year and after cleaning Slightly grease all gliding and moving parts e g speed control lever lever bearing etc with bio lubricating grease and bio lubrica tion oil Cleaning Engine Clean engine only with a cloth Avoid spray ing with air compressed water jets as water might leak into ignition and fuel system caus ing malfunctions Machine After each operation immediately clean the tilling tools and the protective hood There fore dismount the protective hood Grease all gliding parts with Bio ubricating grease and Bio slushing oil After each cleaning with air compressed wa ter jets lubricate all lubrication points oil and let two wheel tractor run for a short time to press water out Apply grease generously to leave a grease ring around bearings to prevent water plant sap and dirt from penetrating agria Two Wheel Tractor 3900 57 5 Maintenance Storage For longer periods of no operation prepare two wheel tractor for storage Proceed as follows a Clean thoroughly Repair paint coat b Spr
42. make sure the hoeing skid is adjusted properly agria Two Wheel Tractor 3900 1 Safety Instructions Mowing Attachment Handle with care Sharp blades of the cutter bar may cause injuries when handled improperly Remove protective knife strips only for mowing and refit immediately after work has finished For transport and storage always fit the protective knife strips Secure finger bars additionally with tension springs Do not transport the removed cutter bar without protective strips When fitting removing the cutter bar make sure all blades are protected by the knife strip To exchange the knife and to fit remove the knife driver make sure that you turn screws and bolts away from the cutting blades to remove them To grind the mowing knives always wear safety goggles and gloves Trailer Make sure to not exceed permissible tongue load of trailer coupling drawbar or hitch When coupling the drawbar make sure manoeuvrability at coupling point is sufficient Do not exceed gross axle weight rating towing capacity and gross weights Before driving check brake function and rear lighting for proper operation agria Two Wheel Tractor 3900 agria Regularly check brake systems closely Have adjustments and repairs on the brake system only carried out by a pro fessional workshop or an authorized brake service station When driving with a trailer mounted make sure single wheel braking is not used
43. mp Konstruktion Directeur D veloppement et tudes Managing Director Research and Development Bedrijfsleider Ontwikkeling en constructie agria Two Wheel Tractor 3900 agria Wij verklaren dat het produkt Eenassige tractor bestemd voor gebruik in de bosbouw gras en weilandverzorging overeenkomt met de desbetreffende EG richtlijn 98 37 EG 89 336 EG 2000 14 EG De volgende normen zijn toegepast 71 agria agria Werke GmbH Bittelbronner Stra e 42 D 74219 M ckm hl Tel 49 0 6298 39 0 Fax 49 0 6298 39 111 e mail info agria de Internet www agria de Your local agria specialist dealer
44. nary filter Reposition the filter cap and fasten the wing nut Replace the filter element af ter 5 cleaning actions or approx every 200 operating hours Replace immediately damaged filter elements 46 agria Two Wheel Tractor 3900 5 Maintenance Petrol Engine 0 6 0 7 mm agria Two Wheel Tractor 3900 agria Cleaning the Spark Plug and Readjusting the Electrode Gap The spark plug 3 is arranged under neath the fuel tank Fod up fuel tank 1 If fuel tank does not stay up in folded position tighten hinge screws 2 slightly until fuel tank stays up and still folds eas ily up and down Place back fold back fuel tank and lock onto ball button 4 After every 100 operating hours or igni tion problems remove soot from spark plug elec trodes with a steel brush check spark plug gap and set to 0 6 0 7mm Exchange spark plugs after approx 200 hours of operation 47 5 Maintenance 48 Petrol Engine agria Cleaning the Cooling System Clogging of plants and dust may occur in the cooling system Operation with the cooling system clogged lets the engine heat up and causes damage Always check cooling air screen E 7 and remove dirt and plants sucked in Clean fan system at least once per year preferably before the season starts Take off fan case and clean cool ing fins on both cylinder and cylinder head clean guiding plates and cooling
45. ndle swivelled 180 for front attachments turning procedure is vice versa IECH When turning on banks always turn the machine towards the slope When driving with a trailer mounted do not use the trac A tor s single wheel brake but the operating brake of the trailer Central Brake To slow down or park the on slopes use the combined central hand brake For this connect the hand levers with the linch pin e Central Brake Clockwise swivel the hand lever B 10 and 11 backwards brakes act on both drive wheels Release the hand lever and the lever swivels back to the original position the brake is released e Hand Brake Clockwise swivel the hand lever B 10 and 11 backwards beyond the dead centre The hand lever automatically comes to a stop both drive wheels are locked To release the hand brake swivel the hand lever back to original position the brake is released agria Two Wheel Tractor 3900 27 3 Devices and Operating Elements SATa PTO drive The gear independent PTO A 11 and C 11 is integrated into the coupling flange of the two wheel tractor PTO is turned on off via the PTO shifter B 5 Only change PTO speed when the machine is decoupled ic PTO on pull PTO shifter backward 0 PTO off push PTO shifter forward When the steering handle is swivelled 180 the PTO shifter and the gear shifter change sides Now you change PTO speed in opposite direction Reversin
46. nical requirements specified by agria 16 agria Storage It is not allowed to store the two wheel tractor in rooms with open heating Never park the two wheel tractor in closed rooms with fuel left in tank Fuel vapours are hazardous Engine Fuel and Oil Never let the engine run in closed rooms Extreme danger of intoxication For the same reason also replace damaged exhaust pipes immediately Be careful when dealing with fuel Great danger of fire Never refill fuel close to open fire inflammable sparks or hot engine parts Do not refill fuel in closed rooms Do not smoke when refilling Refill only with the engine switched off and cooled down Do not spill any fuel use a proper filling device In case of fuel spillage pull the two wheel tractor away from the spillage before you start the engine Make sure fuel is of specified quality Store fuel in approved cans only agria Two Wheel Tractor 3900 1 Safety Instructions Liquids leaking under high pressure e g fuel can penetrate the skin and cause severe injuries Immediately see a doctor Store anti corrosive agents and stabilizing liquids out of reach of children If sickness and vomiting occur see a doctor If fuel has contacted eyes rinse them thoroughly avoid inhaling of vapours Read and instructions observe enclosed Before you dispose of opened and seemingly empty pressurised tins e g of assist starting liquids make sure t
47. nts swivel the steering handle 180 Only swivel the steering handle A when the engine is turned off Remove W clips M 13 from shifters Remove shifters M 10 11 from Joints M 12 Pull the handle lever B 9 At the same time swivel the steering handle clockwise 180 fig N Release handle lever and lock it into an appropriate notch on the steering handle O Reconnect both shifters with outer Shift levers Secure with W clips Make sure Bowden cables are not twisted or strained when you swivel the steering handle The gear shifter is now located on the left side and the PTO shifter on the right side of the steering handle In addition PTO speed shifting and sin gle wheel braking is now into the opposite direction 4 Steering ranar PIBA ee approx 309 is also possib le with the steering handle swivelled for front attachments Swivel Steering Handle Back to Original Position To swivel steering handle back to its ori ginal position proceed in the same order but swivel counter clockwise 30 agria Two Wheel Tractor 3900 3 Devices and Operating Elements Age Drive Wheels 5 0 10 Wheel flange Wheel adapter flange Washer Wheel nut Hexagonal bolt Drive wheel Washer Wheel nut 1 2 3 4 5 6 7 8 Wheel Weight 12 Drive Wheels Use wheel nuts 8 to mount the appropriate drive wheels 6 on the wheel flanges 1 Before fit the wheel adap
48. one during starts and operation ei SE Mowing on Slopes To prevent the tool carrier A from sliding on slopes make sure it is secured by an other person using a bar o a rope This person must stay at a higher position than the vehicle and at a safe distance from the attachment at work If possible always work across the slope Mowing on Mowing on plain surfaces slopes r N Starting the Engine on Slopes Keep gears for attachment drive and travelling drive running brak ing effect Engage central brake Move clutch lever and safety circuit lever to start position Ge start engine 44 agria Two Wheel Tractor 3900 5 Maintenance Petrol Engine agrig Apart from observing all operating instructions it is also important to pay attention to the following maintenance instructions Please note A Only do all maintenance work with the engine shut off and spark plug connector disconnected When working on mowing knives wear safety gloves Engine Check oil level each time you take up operation and after 8 operating hours e only with engine switched off and tractor in horizontal position e Clean oil plug and surrounding parts e Remove oil plug clean dip stick with a Clean cloth and dip back into oil tank do not screw in take out dip stick and read oil level In case oil level is below lower mark refill engine oil refer to Specifications
49. r attachment coupling on the right seen in travel direction Attachment coupling point with integrated PTO Weight support and engine hoob guard Support leg Engine Name plate on the right seen in travel direction Single wheel brake Wheel flange Transmission oil drain plug on the right seen in travel direction Figure B AA Gah A O Safety lever Hand lever for engine clutch Pawl for engine clutch hand lever Hand lever for differential lock PTO shifter with steering handle swivelled front attachment Gear shifter Locking lever for steering handle side adjustment 7 Gear shifter 10 11 with steering handle swivelled front attachment PTO shifter Speed adjustment lever Handle lever Hand lever for steering brake left Hand lever for steering brake right agria Two Wheel Tractor 3900 Fuel Recommendations Petrol Engine Robin EH 25 D This engine runs smoothly on conventional unleaded regular and supergrade petrol as well as on leaded supergrade petrol Do not add oil to petrol If for environmental reasons you use unleaded petrol make sure the fuel is drained completely when shutting down the engine for more than 30 days This is to prevent resin residue from depositing in the caburetor fuel filter and tank Or add a fuel stabilizer to the fuel For further instructions see Engine Preservation agria Diesel Engine Yanmar L100 AE This Diesel engine runs on conven
50. r similar tool dw Insert steering handle retaining pin 5 into the hole on the steering column Hold the O d flat pin end horizontally 10 agria Two Wheel Tractor 3900 Instructions for Unpacking and Assembly Igr14 e Carefully hammer the steering hand le retaining pin into the steering column until it is flush with the column If it is not possible to hammer the pin flush into the steering column the steering handle may not rest on the surface of the steering column or the flat end of the pin 5 is not horizontal Bolt down the retaining pin 5 with bolts and washers 6 9 Tighten bolts at a torque of approx 10 Nm Fit the shifters 10 11 into the joints 12 and secure each shifter with a W clip 13 Check Bowden cables to ensure they are not bent and squeezed Fit drive wheels accessory ai Carry out all steps for starting up gt EA 0 agria Two Wheel Tractor 3900 11 1 Safety Instructions Before starting the engine read the operating instructions and note Warning This symbol marks all paragraphs in these operating instructions which affect your safety Pass all safety instructions on to other users and operators Due Use The two wheel tractor and the mounted implements authorized by the manufacturer have been designed for all common applications and tasks in farming and forestry as e g soil cultivation and grassland mowing this inclu
51. ter and dirt from penetrating Single Wheel Brake Central Brake Check the brake function each time you service and maintain the machine With the central brake engaged brake levers are linked with a linch pin both drive wheels must decelerate evenly To adjust the brake function loosen lock ing nuts 2 on Bowden cables and ad just the cable setting nuts 1 After ad justing the cables tighten locking nuts agria Two Wheel Tractor 3900 55 5 Maintenance agria Safety circuit Check safety circuit function each time you take up operation and each time you maintain the machine Atrelease of lever B 1 the engine must automatically come to a stop e Petrol engine Check electric lines and connections and exchange if nec essary 39 aqria Service Diesel engine If necessary correct STOP Bowden cable with Bowden ca ble set screw 9 aqria Service Engine Shut off Switch Check function of engine shut off switch each time you do maintenance work f the speed control lever is in STOP position the engine must come to stop If necessary correct engine speed ca ble or STOP Bowden cable on Bowden cable set screws agria Service Adjustments on Hand Levers Check clutch play or clutch adjustment each time you operate the machine If necessary re adjust especially after commissioning the machine during break in period and after exchanging clutch linings e Remove
52. ter flanges 2 onto the drive wheels Track width is adjustable to fit requirements see track width plan p18 For this purpose mount drive wheels onto wheel flanges or drive wheels onto wheel adapter flanges flanges or wheels turned inward or outward and mounted on their inner or outer sides onto wheel adapter flanges For full tractive power mount wheels with pointed parts of lugs showing in driving direction wheels seen from above This applies also when steering handle is swivelled 180 for front attachments Wheel Fastening Bolts On new machines and each time you change wheels retighten wheel bolts and wheel nuts at a torque of 50 Nm Otherwise tighten bolts and nuts each time you maintain the machine Snow Chains When working with snow chains fitted observe manufacturer s instructions Make sure there is sufficient clearance between chains and machine parts agria Two Wheel Tractor 3900 31 3 Devices and Operating Elements ZS Front Weight Only Petrol Engine Version To improve traction you can fit a front weight Fitting front weight Item No 3228 011 To fit the front weight onto the tractor equipped with diesel engine and electric starter you need the front weight support kit agria No 719 66 Support Leg To park the two wheel tractor with no attachment mounted and to couple attachments more easily the two wheel tractor is equipped with a support leg A 13 which is posit
53. th engine switched off and machine in horizontal position e Clean oil dip stick and surrounding parts Unscrew the oil dip stick clean the dip stick with a clean rag re insert it all the way and screw it in Unscrew the oil dip stick and read the oil level eRefill oil if the oil level is below the lower dip stick mark Refill engine oil see Specifications up to upper level mark on dip stick do not overfill Changing Engine Oil The first oil change is after 50 operating hours Subsequent oil changes are after 200 operating hours or once a year de pending on which period is completed first At extreme strain and high temperatures change oil after 100 operating hours while the engine is still warm but not hot danger of burns Clean oil filler plug drain plug and surrounding parts e Open the filling plug and the drain plug and drain the oil into a Suitable container and dispose of properly Each time you change engine oil wash engine oil filter in Diesel fuel Replace damaged filter Fill fresh engine oil into the oil filling opening Check sealing washer for good condition and exchange if necessary Refer to Specifications for oil quantity and quality Use a fun nel or a similar device to fill the oil reservoir 50 agria Two Wheel Tractor 3900 5 Maintenance Wing nut Diesel Engine A 50 h 400 h Paper filter element Foamed pre filter Air filter cap
54. two wheel tractor A against rolling away and unauthorized use 42 agria Two Wheel Tractor 3900 4 Commissioning and Operation agria Never leave two wheel trac A tor unattended with the en gine running If cleaning becomes neces A sary during operation the engine must be switched off and the spark plug connector disconnected for safety reasons Operations Check safety circuit function A Only operate the machine if safety circuit works Wear individual protective ear plugs and solid shoes Start the engine as specified in chapter Starting the Engine Engage appropriate gear E For operations with PTO powered attachments switch on the attachment drive Or required elease the brake O Slowly release the hand clutch lever while pressing the throttle Direction change from forward to reverse O set speed control lever to idling posi tion Pull hand clutch lever and hold Move F R drive to position reverse E Slowly release hand clutch lever while pressing the throttle Proceed vice versa for direction change from reverse to forward Note for Mowing After mowing or in case of jams Move gear shifter to idle position The machine comes to a stop but not the knives thus freeing the cutter bar from grass Move the PTO speed shift lever to position 0 agria Two Wheel Tractor 3900 43 EE Danger Zone Wy Keep out of the machine s A danger z
55. ure that the engine is turned off Careful with rotating tools keep at a safe distance agria Two Wheel Tractor 3900 1 Safety Instructions Beware of coasting tools Before you start any maintenance or repair on them wait until tools have come to a complete stop Foreign powered parts shear and crush Riding on the attachment during operation is not permitted Mounted or trailed attachments affect the tractor s driving steering braking and tipping characteristics Therefore ensure that steering and braking functions are sufficient Match operating speed to conditions Do not change settings of governor High engine speed increases risk of accidents Working Area and Dangerous Area The user is liable to third parties working within the tractor s working range Staying in hazardous area is not permitted Check the immediate surroundings of the tractor before you start it Watch out for children and animals Before you start work clear the area from any foreign object During operation always watch out for further objects and remove them in time For operation in enclosed areas ensure that a safety distance is kept to enclosures to prevent damage to tools agria Two Wheel Tractor 3900 agria Operation and Safety Devices Before you start the engine Become familiar with the devices and operating elements and their functions Above all learn how to turn the engine off quickly and safely
56. urs break in period do not use engine to maximum power Even after break in period never use engine at higher speed than necessary for the work in hand agria Two Wheel Tractor 3900 agria High engine speed is harmful to any engine and considerably affects its durability This applies especially for no load operation Any overspeed have the engine roar can result in immediate damage Cooling System Cooling system is fan cooled Therefore keep screen at recoil starter and cooling fins of cylinder clean and free from sucked in plant trash Idling Speed Always ensure that idling speed is adjusted correctly At low speeds and with the speed control lever set to idle the engine is supposed to run smoothly and without run out Air Filter The air filter purifies the air intake A clogged filter reduces engine output 23 3 Devices and Operating Elements ZS Speed Control Lever Petrol engine The speed control lever B 9 on the steering handle is for stepless setting of engine speed from min idle to max full throttle Diesel engine The speed control lever B 9 on the steering handle is for stepless setting of engine speed from min idle to max full throttle For settings refer to Fig J The engine speed control lever also ser ves to shut off the engine in an emergency It then goes into STOP position Safety Circuit The two wheel tractor is equipped with a safety lever lever B
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