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Pronar T680 

SECTION 1 

1.2 

1.1

 

IDENTIFICATION 

1.1.1  TRAILER IDENTIFICATION 

 

FIGURE 1.1 

Location of the data plate and serial number 

(1) data plate, (2) serial number 

The  trailer  is  marked  with  the  data  plate  (1),  and  the  serial  number  (2)  located  on  a  gold 

painted rectangle. The serial number is located on the lower frame, on the right longitudinal 

member of the trailer, the data plate is located on the front beam of the upper frame – figure 

(1.1). 

Summary of Contents for T680

Page 1: ...tel 48 085 681 63 29 48 085 681 64 29 48 085 681 63 81 48 085 681 63 82 fax 48 085 681 63 83 48 085 682 71 10 www pronar pl OPERATOR S MANUAL AGRICULTURAL TRAILER PRONAR T680 TRANSLATION OF THE ORIGINAL COPY OF THE MANUAL ISSUE 1A 03 2015 PUBLICATION NO 443N 00000000 UM ...

Page 2: ......

Page 3: ...on Before using the machine the user must carefully read this Operator s Manual and observe all recommendations This guarantees safe operation and ensures malfunction free work of the machine The machine is designed to meet obligatory standards documents and legal regulations currently in force The manual describes the basic safety rules and operation of agricultural trailer Pronar T680 If the inf...

Page 4: ...articularly important information and instructions the observance of which is essential are distinguished in the text by the sign and also preceded by the word ATTENTION Failure to observe the instructions may lead to damage to the machine as a result of improper operation adjustment or use In order to focus the user s attention on the need to perform maintenance the relevant section of the Operat...

Page 5: ...ction of machine s forward travel Right side side to the right hand of the operator facing in the direction of machine s forward travel REQUIRED SERVICE ACTIONS Service actions described in the manual are marked Result of service adjustment actions or comments concerning the performance of actions are marked ...

Page 6: ......

Page 7: ... 2 INDEPENDENT TRANSPORT BY THE USER 1 14 1 6 ENVIRONMENTAL HAZARDS 1 15 1 7 WITHDRAWAL FROM USE 1 16 2 SAFETY ADVICE 2 1 2 1 BASIC SAFETY RULES 2 2 2 1 1 USE OF TRAILER 2 2 2 1 2 HITCHING AND UNHITCHING FROM TRACTOR 2 3 2 1 3 HITCHING AND UNHITCHING THE SECOND TRAILER 2 3 2 1 4 HYDRAULIC AND PNEUMATIC SYSTEMS 2 4 2 1 5 LOADING AND UNLOADING 2 5 2 1 6 TRANSPORTING THE MACHINE 2 7 2 1 7 TYRES 2 11 ...

Page 8: ...REPARING FOR WORK BEFORE THE FIRST USE 4 2 4 1 1 CHECKING THE TRAILER AFTER DELIVERY 4 2 4 1 2 PREPARING THE TRAILER FOR THE FIRST HITCHING TO TRACTOR 4 3 4 2 HITCHING AND UNHITCHING THE TRAILER FROM TRACTOR 4 4 4 3 HITCHING AND UNHITCHING THE SECOND TRAILER 4 8 4 4 LOADING AND SECURING LOAD 4 10 4 4 1 GENERAL INFORMATION ABOUT LOADING 4 10 4 5 LOAD TRANSPORT 4 17 4 6 UNLOADING 4 20 4 7 PROPER USE...

Page 9: ...AND ADJUSTMENT OF CABLE TENSION 5 16 5 3 PNEUMATIC SYSTEM MAINTENANCE 5 19 5 3 1 PRELIMINARY INFORMATION 5 19 5 3 2 CHECKING AIR TIGHTNESS AND VISUAL INSPECTION OF PNEUMATIC SYSTEM 5 20 5 3 3 CLEANING THE AIR FILTERS 5 21 5 3 4 DRAINING WATER FROM AIR TANK 5 23 5 3 5 CLEANING THE DRAIN VALVE 5 24 5 3 6 CLEANING AND MAINTAINING PNEUMATIC CONDUIT CONNECTIONS AND PNEUMATIC SOCKETS 5 24 5 3 7 REPLACEM...

Page 10: ...5 5 8 CLEANING THE TRAILER 5 35 5 9 STORAGE 5 37 5 10 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5 38 5 11 INSTALLATION AND DISASSEMBLY OF THE FRAME AND TARPAULIN COVER 5 39 5 12 INSTALLATION AND DISMOUNTING OF WALL EXTENSIONS 5 42 5 13 ADJUSTMENT OF DRAWBAR POSITION 5 43 TROUBLESHOOTING 5 44 ...

Page 11: ...SECTION 1 BASIC INFORMATION ...

Page 12: ... serial number 1 data plate 2 serial number The trailer is marked with the data plate 1 and the serial number 2 located on a gold painted rectangle The serial number is located on the lower frame on the right longitudinal member of the trailer the data plate is located on the front beam of the upper frame figure 1 1 ...

Page 13: ...ngs on data plate ITEM MARKING A General description and purpose B Symbol type of trailer C Trailer s year of manufacture D Seventeen digit vehicle identification number VIN E Official certificate number F Tare weight G Maximum gross weight H Carrying capacity I Maximum hitch load not applicable J Permissible front axle load K Permissible rear axle load 1 1 2 AXLE IDENTIFICATION The factory number...

Page 14: ...f ordering a replacement part or in the case of the appearance of problems it is often essential to give the factory numbers of parts or the VIN number of the trailer therefore it is recommended that these numbers are inscribed in the spaces below VIN S Z B 6 8 0 X X X FRONT AXLE FACTORY NUMBER AND TYPE REAR AXLE FACTORY NUMBER AND TYPE ...

Page 15: ...ssive loads that will corrode the structural elements of the trailer causing corrosion of steel destruction of paint coat dissolving plastic elements and destruction of rubber elements etc transport incorrectly secured load which during travel may cause contamination of the road and natural environment transport incorrectly secured load which during travel may change position in load box or fall o...

Page 16: ...ations while working prevent accidents comply with the road traffic regulations and transport regulations in force in a given country in which the trailer is used carefully read the Operator s Manual and comply with its recommendations only hitch the trailer to an agricultural tractor which fulfils all the requirements made by the trailer s Manufacturer The trailer may only be used by persons who ...

Page 17: ... HL 32 Lotos 1 200 20 18 Electrical system Electrical system voltage Connection socket Power supply of solenoid valve of hydraulic brake system option V 12 7 pole socket compliant with ISO 1724 3 pin socket Required tractor hitch Type Manual or automatic upper transport hitch compatible with the drawbar eye acc to DIN 74054 Other requirements Minimum tractor power kW hp 80 3 109 2 1 use of other o...

Page 18: ... Hydraulic system bar kPa bar kPa bar Mpa according to A DIN 74 294 according to ISO 1728 according to ISO 7421 1 5 8 6 5 580 650 6 5 650 150 15 Hydraulic tipper system Hydraulic oil Maximum system pressure bar MPa L HL 32 Lotos 1 200 20 Electrical system Electrical system voltage Connection socket V 12 7 pole socket compliant with ISO 1724 Trailer s drawbar Diameter of drawbar eye mm 40 1 use of ...

Page 19: ...uit pneumatic system with automatic regulator Hydraulic brake system Connection lead for the electrical system Wheel chocks Drawbar with hitching eye 40 mm Drawbar Y with hitching eye acc to DIN 74054 40 mm Drawbar with hitching eye 50 mm Automatic rear hitch Slow moving vehicle warning sign Reflective warning triangle Rear chute Hopper system Front wheel mudguards Wheel mudguards according to 91 ...

Page 20: ...ver Fenced platform Toolbox Shock absorbing belts Hydraulic load box wall unlocking system Spare wheel winch Wall hanger Feeder unit Set of 600mm wall extensions with a window Set of 800mm wall extensions with a window Set of 600 mm middle wall extensions with a window Set of 600 mm or 800mm mesh wall extensions Set of uniform 800mm 600mm walls and wall extensions no side middle stake Sidewall pul...

Page 21: ...r those parts and sub assemblies of the machine which are subject to wear in normal usage conditions regardless of the warranty period Consumables include among others the following parts sub assemblies drawbar hitching eye pneumatic system connector filters tyres brake shoes bulbs and LED lamps seals bearings The warranty service only applies to such cases as mechanical damage which is not the us...

Page 22: ...only required for the machine s technical documentation and any extra equipment The trailer is delivered to the user either transported on a vehicle or after being attached to a tractor independently trailer towed with a tractor 1 5 1 TRANSPORT ON VEHICLE Loading and unloading of trailer from vehicle shall be conducted using loading ramp with the aid of an agricultural tractor During work adhere t...

Page 23: ...secured trailer does not change its position with regard to the transport vehicle The securing elements must be selected according to the guidelines of the Manufacturer of these elements In case of doubt apply a greater number of securing straps in order to immobilise the trailer If necessary sharp edges of trailer should be protected at the same time protecting the securing straps from breaking d...

Page 24: ...ly the tractor driver must carefully read this operator s manual and observe its recommendations In the event of independent transport by the user after purchase of the trailer the user must read the trailer Operator s Manual and adhere to the recommendations contained therein Transport of the trailer by the user involves towing the trailer with own agricultural tractor to destination When driving...

Page 25: ...ontain the source of the leak and then collect the leaked oil using available means Remaining oil should be collected using sorbents or by mixing the oil with sand sawdust or other absorbent materials The oil pollution once gathered up should be kept in a sealed marked hydrocarbon resistant container The container should be kept away from heat sources flammable materials and food DANGER Used hydra...

Page 26: ...ly in the pneumatic braking system e g using air tank drain valve DANGER During dismantling use the appropriate tools equipment overhead travelling crane crane or hoist etc and use personal protection equipment i e protective clothing footwear gloves and eye protection etc Avoid contact of skin with oil Do not allow used hydraulic oil to spill Worn out or damaged parts that cannot be reclaimed sho...

Page 27: ...SECTION 2 SAFETY ADVICE ...

Page 28: ...s to your health Be aware of the residual risk Use caution when operating this machine and follow all relevant safety instructions The machine must never be used by persons who are not authorised to drive agricultural tractors including children and people under the influence of alcohol drugs or other abusive substances Non compliance with the safety rules of this Operator s Manual can be dangerou...

Page 29: ...ndition During hitching only use the upper transport hitch of the tractor After completed hitching of the machines check that the hitch is properly secured Carefully read the tractor Operator s Manual If the tractor is equipped with an automatic hitch make certain that the coupling operation is completed Be especially careful when hitching the machine When hitching there must be nobody between the...

Page 30: ... angle of the load box when tipped to the sides and to the rear The length of the control cable controlling this valve is factory adjusted by the Manufacturer and must not be changed when the trailer is used In the event of malfunction of the hydraulic or pneumatic system do not use the trailer until the malfunction is corrected When connecting the hydraulic conduits to the tractor make sure that ...

Page 31: ...l does not exert any pressure on the trailer side walls it is permitted to dismantle clamping cables Use only original tipping pins with a handle Using non original pins could damage the trailer When tipping the load box and travelling the pins must be located in the load box sockets and must always be secured with cotter pins The trailer is not intended for transporting people animals or hazardou...

Page 32: ... the materials by tipping the trailer s load box to the rear only When using the trailer with the second set of wall extensions there is an increased risk of loss of trailer stability trailer overturning failure of the trailer s structural elements insufficient visibility of the elements of the trailer s body uncontrolled movements of the load box on uneven terrain Pay attention to safety of unloa...

Page 33: ...ould be tipped to the side and secured against dropping with the aid of load box support The load box may not be loaded The trailer must be hitched to the tractor and secured with chocks and parking brake 2 1 6 TRANSPORTING THE MACHINE During travel on public roads comply with the road traffic regulations and transport regulations in force in a given country in which the trailer is used Do not exc...

Page 34: ...under one wheel one chock in front of the wheel the other behind the wheel figure 2 1 Chocks should not be placed under the front axle wheels Prior to moving off make sure that pins connecting the load box with the lower frame as well as the wall pins are secured against falling out using cotter pins Check if the rear wall slide gate is secured Check that all walls and extensions are properly clos...

Page 35: ...r as a result of loss of stability Prolonged driving across steep ground may lead to loss of braking efficiency While driving on public roads the trailer and the tractor must be fitted with a certified or authorised reflective warning triangle Periodically drain water from the air tanks in pneumatic system During frosts freezing water may cause damage to pneumatic system components Reckless drivin...

Page 36: ...gle warning sign should be attached using the specifically prepared holder riveted to the rear wall of the load box Load must be uniformly distributed and it must not obstruct visibility or hinder driving The load must be secured so that it cannot move or fall over During reversing one should use the assistance of another person During manoeuvring the assistant must stay at a safe distance from th...

Page 37: ...uld be carried out using appropriate tools Inspect tightness of wheel nuts after the first use of the trailer every 2 3 hours during first month of work and then every 30 hours of use travel The inspection should be repeated individually if a wheel has been removed from the wheel axle Wheel nuts should be tightened according to recommendations provided in section 5 MAINTENANCE Avoid potholes sudde...

Page 38: ...erator s Manual Regularly check the condition of nut and bolt connections in particular connections of drawbar eye with drawbar and wheel nuts Before beginning work which requires raising load box it must be emptied Load box should be tipped to the rear and secured against accidental dropping with the aid of load box support The trailer must at this time be hitched to the tractor and secured with ...

Page 39: ...covered with non flammable material before commencing welding work Before beginning work prepare a CO2 or foam extinguisher In the event of work requiring the trailer to be raised use properly certified hydraulic or mechanical lifts for this purpose After lifting the machine stable and durable supports must also be used Work must not be carried out under a trailer which has only been raised with a...

Page 40: ...and when the machine is being attached or hitched to second trailer being on the machine during work not maintaining safe distance during loading or unloading of trailer operation of the trailer by persons under the influence of alcohol making modifications to the machine without the consent of the Manufacturer cleaning maintenance and technical checks of the trailer presence of persons or animals...

Page 41: ... that notices and warning and information symbols located on the trailer are clear and legible In the event of their destruction they must be replaced with new ones Safety decals are available from your PRONAR dealer or directly from PRONAR customer service New assemblies changed during repair must be labelled once again with the appropriate safety signs During trailer cleaning do not use solvents...

Page 42: ...trailer switch off tractor s engine and remove key from ignition 5 Grease the trailer according to the recommendations in the Operator s Manual 6 Regularly check if the nuts and bolts fixing the wheels and other components are properly tightened 7 Trailer coupling information exclusively with upper transport hitch 8 Manufacturer s website ...

Page 43: ...ad box that is loaded raised or not supported 10 Permissible gross weight of the trailer 11 Caution Danger of electric shock Keep a safe distance from overhead electric power lines during unloading 12 Air pressure in the tyres 1 13 Conduit supplying hydraulic brake system 14 Conduit supplying hydraulic tipping system ...

Page 44: ...g system 1 or 2 trailers 16 Maximum design speed 17 Information about approximate weight of selected goods 1 pressure value should be adapted to tyres Numbers in the item column correspond to labels in figure 2 3 Decals items 13 and 14 are placed on hydraulic conduits Decal 15 is placed near the hydraulic valve ...

Page 45: ...SECTION 2 Pronar T680 2 19 FIGURE 2 3 Locations of information and warning decals ...

Page 46: ...Pronar T680 SECTION 2 2 20 ...

Page 47: ...SECTION 3 DESIGN AND OPERATION ...

Page 48: ...specification Cargo capacity Load surface Lift of load surface Load box tipping angle to the rear to the sides m3 m2 mm 17 2 12 3 1 390 47 47 Weight and carrying capacity Tare weight Maximum gross weight Maximum carrying capacity kg kg kg 4 900 18 000 13 100 Other information Minimum tractor power demand Electrical system voltage Maximum design speed Noise emission level kW hp V km h dB 80 3 109 2...

Page 49: ... frame are replaced in the correct sockets At the rear of the chassis there is a lights support beam 8 which primarily holds electrical fittings The optional rear hitch and the sockets of the hydraulic system and pneumatic system for connecting the second trailer double axle trailer are attached to the rear profile of the lower frame above the beam The trailer suspension consists of the axles 4 an...

Page 50: ...iler chassis 1 lower frame 2 turntable frame 3 drawbar 4 wheel axle 5 load box support 6 tipping cylinder socket 7 taper leaf spring 8 lights support beam 9 turntable 10 front beam 11 rear beam 12 spring 13 handbrake mechanism 14 wheel chocks ...

Page 51: ...ofiled socket opening the construction of which prevents their inappropriate placing by trailer operator Load box side walls are suspended using pins in the front wall locks middle stakes locks 9 and rear stakes locks 15 In the lower part they are locked by means of locking hooks located in the upper frame The load box walls are closed and opened by means of central wall locking mechanism 14 Exten...

Page 52: ... divided walls 1 upper frame 2 side wall 3 set of wall extensions 4 front wall 5 rear wall 6 fenced platform 7 lower ladder 8 upper ladder 9 middle stake 10 hinge eye 11 linking cable 12 frame 13 tarpaulin cover 14 wall locking mechanism 15 rear stake ...

Page 53: ...ng the locking screw 4 The trailer can be additionally equipped with the rear chute and the system of side chutes that enable unloading material outside the area of the trailer s wheels 3 2 3 MAIN BRAKE The trailer is equipped with one of four types of main brake double conduit pneumatic braking system with three position regulator figure 3 4 single conduit pneumatic braking system with three posi...

Page 54: ...tic braking system 1 air tank 2 control valve 3 braking force regulator 4 pneumatic cylinder 5 conduit connector red 6 conduit connector yellow 7 air filter 8 air tank control connector 9 pneumatic cylinder control connector 10 drain valve 11 socket red 12 socket yellow 13 relay valve ...

Page 55: ...le conduit pneumatic braking system 1 air tank 2 control valve 3 braking force regulator 4 pneumatic cylinder 5 conduit connector black 6 air filter 7 air tank control connector 8 pneumatic cylinder control connector 9 drain valve 10 socket black 11 relay valve 12 plug ...

Page 56: ...th automatic regulator 1 air tank 2 control valve 3 automatic braking force regulator 4 pneumatic ram cylinder 5 line connector red 6 line connector yellow 7 air filter 8 air tank control connector 9 pneumatic ram cylinder control connector 10 relay valve 11 drain valve 12 socket red 13 socket yellow ...

Page 57: ...oupler 4 hydraulic accumulator 5 hydraulic socket 6 valve connection lead 7 information decal The main brake pneumatic or hydraulic brake is activated from the tractor driver s cab by depressing the brake pedal The function of the control valve 2 figures 3 4 3 5 and 3 6 is to activate the trailer s brakes simultaneously with the tractor s brakes Furthermore ...

Page 58: ...regulator 1 control valve 2 braking force regulator 3 trailer parking brake release button 4 work selection regulator lever A position NO LOAD B position HALF LOAD C position FULL LOAD Three step brake force regulator 2 figure 3 8 adjusts braking force depending on setting Switching to a suitable working mode is done manually by the machine operator using the lever 4 prior to moving off Three work...

Page 59: ...The main hydraulic brake available as optional equipment is activated from the tractor driver s cab by depressing the brake pedal Agricultural tractor equipped with suitable hydraulic system is required to operate the hydraulic braking system The function of the hydraulic solenoid valve 1 figure 3 7 is to activate the trailer s brakes simultaneously with the tractor s brakes Before moving off perf...

Page 60: ...e Manufacturer and must not be adjusted during the trailer operation 3 2 4 HYDRAULIC TIPPING SYSTEM Hydraulic tipping system is used for automatic unloading of trailer by tipping the load box to the rear or sideways The hydraulic tipping system is supplied with oil from the tractor s hydraulic system Hydraulic oil manifold of the tractor s external hydraulic system is used to control the load box ...

Page 61: ...ve 4 quick coupler 5 socket 6 control cable 7 guide roller 8 9 information decal ATTENTION Cut off valve 3 figure 3 10 limits the tipping angle of the load box when tipped to the sides and to the rear The length of the cable 6 controlling this valve is factory adjusted by the Manufacturer and must not be changed when the trailer is used ...

Page 62: ...ystem 1 quick coupler 2 hydraulic conduit 3 front cylinder 4 rear cylinder 5 information decal Pronar T680 trailer can be additionally equipped with one of the three versions of the hydraulic side wall unlocking systems controlled from the tractor cab This solution ensures greater operator comfort and safety during unloading The trailer can be equipped with system for unlocking the right side wall...

Page 63: ...ll unlocking system is filled with L HL32 Lotos hydraulic oil 3 2 6 FEEDER UNIT The trailer can be additionally equipped with a hydraulic feeder figure 3 12 installed on the trailer s rear wall in the chute opening The feeder facilitates precise unloading of loose materials without the necessity of load box rising Folding feeder 1 is located in the guides 4 and secured in unfolded position by mean...

Page 64: ... 1 The auger is driven by hydraulic motor 2 which is supplied with hydraulic oil from the tractor s external hydraulic system Return conduit 6 is connected to the manifold of the tractor s external hydraulic system while the supply conduit 7 is connected to the rear outlet of the second trailer s tipping system The auger is activated when pressure is applied by means of the three way valve 2 to th...

Page 65: ...nd prevent the trailer from moving while standing motionless Brake crank mechanism 2 is welded to the left longitudinal member of the lower frame Wire cable 3 running through a cable roller 5 connects the crank mechanism to the brake pulley block 6 The pulley block is connected to the expander levers of the rear axle 1 by means of wire cable 4 routed through arms 7 Tightening the cables turning th...

Page 66: ... SYSTEM The trailer s electrical system is designed for 12 V DC supply Light emitting diodes LED are used as the source of light in all trailer s lights The rear lights are additionally equipped with the shields protecting against impact Connection of the trailer s electrical system with the tractor should be made using an appropriate connection lead delivered together with newly purchased trailer...

Page 67: ...electrical components and reflective lights 1 7 pin socket 2 front parking light 3 side parking light 4 rear light assembly left side 5 rear light assembly right side 6 licence plate light 7 rear clearance light left side 8 rear clearance light right side ...

Page 68: ...Pronar T680 SECTION 2 3 22 FIGURE 3 15 Electrical system diagram Marking according to table 3 2 ...

Page 69: ...LED GP Front seven pin socket GT Rear seven pin socket OTP License plate light right side LED OTL License plate light left side LED PP Front parking light right side LED PL Front parking light left side LED OBP1 OBP3 Right side clearance light LED OBL1 OBL3 Left side clearance light LED OL Rear clearance light left side LED OP Rear clearance light right side LED ...

Page 70: ...Pronar T680 SECTION 2 3 24 ...

Page 71: ...SECTION 4 PROPER USE ...

Page 72: ... read this Operator s Manual and observe all recommendations understand the design and the principle of machine operation ATTENTION Before hitching to tractor and using the trailer the user must carefully read this Operator s Manual and observe all recommendations External inspection Check completeness of machine standard and optional equipment Check condition of protective paint coat Inspect trai...

Page 73: ...dard equipment of the trailer Adjust the height of the drawbar or position of upper transport hitch A detailed description can be found in section 5 Test drive If all the above checks have been performed and there is no doubt as to the trailer s good technical condition it can be connected to tractor Start the tractor check all systems and conduct test run of trailer without load no load in load b...

Page 74: ...etailer for additional clarifications or to make a repair DANGER Careless and incorrect use and operation of the trailer and non compliance with the recommendations given in this operator s manual is dangerous to your health The trailer must never be used by persons who are not authorised to drive agricultural tractors including children and people under the influence of alcohol or other drugs Non...

Page 75: ... automatic coupler ensure that the hitching operation is completed and that drawbar eye is secured Turn off tractor engine Ensure that unauthorised persons do not have access to the tractor cab Connect pneumatic system conduits applies to double conduit systems Connect pneumatic conduit marked yellow with yellow socket in tractor Connect pneumatic conduit marked red with red socket in tractor Conn...

Page 76: ...nnector to the red socket in the tractor Once the 2nd conduit is connected the braking system will switch to normal mode of operation disconnection or interruption of the conduits causes the trailer s braking system control valve to automatically apply brakes Conduits are marked with coloured protective covers which identify the appropriate system conduit ATTENTION Ensure compatibility of oils in ...

Page 77: ... system Disconnect power lead of solenoid valve Disconnect hydraulic supply conduit Protect conduit ends with covers Place conduit plugs in appropriate sockets Disengage transport hitch and disconnect trailer drawbar from tractor hitch and drive tractor away Place chocks under trailer wheel Wheel chocks shall be so placed that one is in front of the wheel and the second is behind wheel of rear axl...

Page 78: ...e trailers Person assisting in hitching the machines should stand outside the area of danger and be visible to the tractor driver at all times Hitching the second trailer ATTENTION Only double axle trailers may be hitched to the trailer Do NOT connect a second trailer with maximum total weight exceeding 18 000 kg Position the tractor with the first trailer hitched directly in front of the second t...

Page 79: ...at the hitching operation is completed and that drawbar eye of the second trailer is secured Insert drawbar pin and securing cotter pin Connect conduits of hydraulic system and pneumatic system and electrical leads according to the instructions contained in section 4 2 FIGURE 4 1 Coupling second trailer 1 trailer s rear hitch 2 second trailer s drawbar 3 automatic hitch pin lifting handle ...

Page 80: ...e trailer is equipped with tarpaulin cover it should be rolled If load does not exert pressure on the side walls or side wall extensions the linking cable can be disengaged In other cases it must be installed in cable release mechanism installed in the middle wall stakes and side wall extensions Load box walls may get damaged if there is no linking cable Regardless of the type of load carried the ...

Page 81: ...BLE 4 1 Guideline weights by volume of selected materials TYPE OF MATERIAL WEIGHT BY VOLUME kg m3 Root crops raw potatoes steamed crushed potatoes dried potatoes sugar beet roots fodder beet roots 700 820 850 950 130 150 560 720 500 700 Organic fertilisers old manure mature manure fresh manure compost dry peat 700 800 800 900 700 750 950 1 100 500 600 Mineral fertilisers ammonium sulphate potash s...

Page 82: ... swath hay wilted in the swath hay in gathering trailer dry wilted wilted cut hay dry baled hay wilted baled hay stored dry hay stored cut hay clover lucerne wilted in the swath clover lucerne cut wilted on trailer clover lucerne wilted on gathering trailer dry stored clover cut dry stored clover dry straw in round bales damp straw in round bales cut damp straw in bulk trailer cut dry straw in bul...

Page 83: ...thering trailer 80 90 110 150 20 25 35 75 60 100 28 35 150 400 120 270 140 160 350 400 180 250 Concentrated feeds and mixed feeds stored chaff pressed cake milled dry feed mixed feeds mineral mixtures ground oats wet sugar beet pulp pressed sugar beet pulp dry sugar beet pulp bran bone meal pasture salt molasses silage pit silo hay silage tower silo 200 225 880 1 000 170 185 450 650 1 100 1 300 38...

Page 84: ...g should be carried out by a person experienced in this type of work and having appropriate authorisation for operating equipment if required ATTENTION The trailer is also designed for transport of harvested crops and agricultural products volumetric or loose It is permissible to transport other loads timber building materials packed loads on the condition of securing the load box against damage a...

Page 85: ...se the bulk of the load during travel In extreme cases the gross weight of the trailer may exceed the permissible vehicle gross weight Some bulk loads e g building materials such as gravel or slag may cause more rapid damage to paintwork Loads of pieces or solid lumps Loads of pieces or solid lumps are generally hard materials of significantly greater dimensions than bulk loads stones coal bricks ...

Page 86: ...d securing of the load Remember that higher loading has a negative effect on trailer stability Loads in packaging Loads transported in packaging boxes sacks must be laid closely side by side beginning from the front side of the trailer If it is essential to lay several layers particular groups should be stacked alternately in block system The load must be laid tightly together and on the whole sur...

Page 87: ...t it does not threaten the stability of the trailer and does not hinder driving Ensure that during unloading loading or raising the load box nobody is near the trailer Before tipping the load box ensure proper visibility and make certain that there are no bystanders near the trailer The arrangement of the load may not cause an overload on the axle system or hitch system of the trailer The trailer ...

Page 88: ...ing triangle according to traffic regulations When driving on public roads the trailer must be marked with a slow moving vehicle warning sign attached to the rear wall of load box if the trailer is the last vehicle in the group While driving on public roads the trailer must be fitted with a certified or authorised reflective warning triangle When driving comply with all road traffic regulations in...

Page 89: ...aking a turn or driving on an uneven road or a slope When driving avoid sharp turns especially on slopes Please note that the braking distance of the tractor and trailer combination is substantially increased at higher speeds and loads Monitor trailer s behaviour when travelling on an uneven terrain and adjust driving speed to road conditions slow down early enough when turning The trailer is desi...

Page 90: ...oad box is controlled from driver s cab using external tractor hydraulic system manifold FIGURE 4 2 Bolting of tipping pins 1 tipping pin rear left or front right 2 tipping pin rear right or front left 3 locking cotter pin A pin socket front B pin socket rear Unloading of the trailer is performed in the following sequence tractor and trailer must be placed to drive forwards on flat and hard ground...

Page 91: ...side wall extension lock immobilise tractor and trailer with parking brake wheel chocks may be used to provide additional protection if the load box tipping direction was not planned and set before place tipping pins 1 2 pins connecting load box with lower frame on the unloading side and secure them properly with cotter pins 3 figure 4 2 ...

Page 92: ...ed to unlock the lower locking hooks of the front side wall while lever 1 figure 4 4 is used to unlock the lower locking hooks of the rear side wall place the lever controlling the hydraulic tipping system circuits in position 1 tipping of the first trailer initiate tipping of the load box using the selective control valve lever in the operator s cabin after unloading lower load box remove the res...

Page 93: ...onar T680 4 23 FIGURE 4 4 Locks of load box walls and wall extensions 1 rear side wall closing lever 2 side wall lock 3 side wall extension lock 4 rear wall lock 5 rear wall closing lever 6 rear wall extension lock ...

Page 94: ...ust be correctly interlocked When opening the load box side wall locks take particular care because of the pressure applied by the load to the walls When closing the rear chute gate or the walls take particular care to avoid crushing fingers High volume materials may be unloaded by tipping the load box to the rear only Rear load box wall is equipped with slide gate 1 figure 4 5 and chute 2 optiona...

Page 95: ...gusty winds conditions Do NOT move off or drive when load box is raised While unloading high volume materials be especially careful Do NOT tip load box on uneven or wet ground and move and jerk trailer during unloading Bulky materials are normally difficult to unload Therefore proceed cautiously and patiently Careless operation of trailer may pose a danger to operators and bystanders can also caus...

Page 96: ...mendations provided in section 5 MAINTENANCE Regularly check and maintain correct air pressure in tyres according to Operator s Manual especially if trailer is not used for a longer period Air pressure in tyres should be also checked during the whole day of intensive work Please note that higher temperatures could raise tyre pressure by as much as 1 bar At high temperatures and pressure reduce loa...

Page 97: ...ive strip Raise the protection device to a proper height Move the underrun protection device away Appropriate recess and slotted holes allow the locking of under run protective device in the raised position Lowering Pull the underrun protection device Lower the underrun protection device and press it until the clamping ring pin locks into the pawl 4 DANGER Underrun protection devices must not be u...

Page 98: ...Pronar T680 SECTION 4 4 28 FIGURE 4 6 Underrun protection device 1 underrun protection strip 2 bracket 3 clamping ring 4 interlock latch ...

Page 99: ...SECTION 5 MAINTENANCE ...

Page 100: ...ich are not regarded as possible for the trailer operator to perform the user shall invalidate the warranty 5 2 MAINTENANCE OF BRAKES AND AXLES 5 2 1 PRELIMINARY INFORMATION Work connected with the repair change or regeneration of axle and brakes elements should be entrusted to specialist establishments having the appropriate technology and qualifications for this type of work The responsibilities...

Page 101: ...brake and parking brake should be engaged and released without great resistance and severity Check cylinder movement and correct return of piston to start position The help of a second person is required who shall engage trailer brake Check if axle elements are in place cotter pins in castellated nuts expansion rings etc Check hydraulic cylinders or pneumatic cylinders for tightness compare sectio...

Page 102: ... months if brakes overheat if brake cylinder piston stroke is significantly longer if there are unusual noises from the drum of wheel axle FIGURE 5 1 Checking brake shoe linings 1 wheel axle drum 2 inspection opening for checking wear of brake shoe linings G brake shoe lining thickness ATTENTION Minimum thickness of the trailer brake linings is 5 mm ...

Page 103: ...ard level ground Position tractor to drive straight forward front trailer axle may not be turned Place chocks under the trailer s back wheel that will not be raised Ensure that machine will not move during inspection Raise the wheel opposite to the side where chocks are placed The lifting jack should be placed between U bolts 3 figure 5 2 securing axle 1 to leaf spring 2 Support point is marked wi...

Page 104: ...uch an event the bearing together with sealing ring should be replaced with new parts or cleaned and greased again During inspection of bearings ensure that possibly detected slackness comes from the bearing and not from the suspension system e g slackness of leaf spring pins etc TIP If hub cover is damaged or missing contamination and dampness enter the hub which causes significantly faster wear ...

Page 105: ...nsure that the trailer is properly secured and will not move during wheel dismounting Take off hub cover 1 figure 5 3 Take out cotter pin 3 securing castellated nut 2 Tighten castellated nut in order to eliminate looseness Wheel should rotate with insignificant resistance Undo nut not less than 1 3 rotation to align the nearest thread groove with the opening in wheel axle pin Wheel should rotate w...

Page 106: ... Ensure that trailer shall not move during wheel dismounting Loosen wheel nuts according to sequence given in figure 5 4 Place a lifting jack and raise the trailer to a sufficient height so that the wheel to be replaced does not touch the ground The lifting jack should have sufficient lifting capacity and should be technically reliable The lifting jack must be positioned on a level and hard surfac...

Page 107: ...ue of 450 510 Nm nuts M22x1 5 Nuts should be tightened gradually diagonally in several stages until obtaining the required tightening torque using a torque spanner Check the wheel nut tightening After the first use of trailer one time inspection Every 2 3 hours of trailer travel during the first month of trailer use Every 30 hours of trailer travel The above actions should be repeated individually...

Page 108: ...h because of danger of exceeding permissible tightening torque the consequence of which may be breaking the connection thread or breaking off the hub pin The greatest precision is achieved using a torque spanner Before commencing work ensure that correct tightening torque value is set TABLE 5 1 Spanner arm WHEEL TIGHTENING TORQUE BODY WEIGHT F ARM LENGTH L Nm kg m 90 102 0 5 79 89 0 57 69 78 0 65 ...

Page 109: ...s or wheels may be the cause of a serious accident While checking pressure pay attention to technical condition of wheels and tyres Look carefully at tyre sides and check the condition of tread In case of mechanical damage consult the nearest tyre service and check whether the tyre defect requires tyre replacement Wheels should be inspected with regard to distortion breaking of material breaking o...

Page 110: ...he brake cylinder piston 5 in relation to the expander arm 1 is wrong figure 5 5 In order to obtain the optimum mechanical operating angle the cylinder piston fork 5 must be installed on the expander arm 3 in such a manner as to ensure that the operating angle at full braking is about 90 figure 5 6 ATTENTION Incorrectly adjusted brake may cause rubbing of brake shoes against brake drums which may ...

Page 111: ... brake cylinder piston 6 cylinder fork 7 fork pin Check technical condition of brake every 6 months The inspection of the brake operation involves measuring the extension length of each brake cylinder piston while braking at parking If the brake cylinder rod stroke exceeds the maximum value 45 mm the braking system should be adjusted ...

Page 112: ...n the brake cylinder at brake release position B mark on the brake cylinder at full braking position C position of arm at brake release position D position of arm at full braking position Required maintenance actions Hitch trailer to tractor Turn off tractor engine and remove key from ignition Immobilise the tractor with parking brake Make sure that the trailer s brakes are not engaged Secure the ...

Page 113: ...ylinder vent holes are not blocked with impurities and that there is no water or ice inside the brake cylinder Check if the brake cylinder is correctly installed Clean the brake cylinder If necessary defrost the brake cylinder and drain water through the unblocked vent holes Replace damaged brake cylinder with a new one When installing the brake cylinder maintain its original position with regard ...

Page 114: ...t be changed Each time when dismantling the pin or brake cylinder the original fixing position should be marked 5 2 9 REPLACEMENT OF PARKING BRAKE CABLE AND ADJUSTMENT OF CABLE TENSION Proper operation of the parking brake is dependent on the effectiveness of the rear axle brake and the correct brake cable tension Before the adjustment make certain that the axle brake is correctly adjusted and is ...

Page 115: ...ke cable I l 2230mm 4 hand brake cable II l 900mm 5 pulley block of parking brake 6 shackle 7 U bolt clamp 8 clamp nuts 9 guide roller Replacing the parking brake cable Hitch trailer to tractor Park trailer and tractor on level surface Place chocks under trailer rear wheel Fully unscrew the bolt of the brake crank mechanism 1 ...

Page 116: ...ate crank mechanism and pins of cable guide rollers Install a new cable After the first loading of cable re check the condition of cable ends correct if necessary Installation of steel cable FIGURE 5 8 Installation of steel cable 1 steel cable 2 clamp jaw 3 thimble 4 nut 5 heat shrink tubing Secure cable ends by means of heat shrink tubing 5 Install thimble 3 on cable 1 Install clamp jaws 2 and ti...

Page 117: ...se Loosen nuts 8 of U bolt clamps 7 on handbrake cable II 4 figure 5 7 Tighten cable and tighten clamps Length of parking brake cable should be so selected that at total release of working and parking brake the cable would be loose and hanging by 1 2 cm 5 3 PNEUMATIC SYSTEM MAINTENANCE 5 3 1 PRELIMINARY INFORMATION Work connected with repair replacement or regeneration of system components brake c...

Page 118: ...onduit systems air pressure should amount to approx 5 8 bar In double conduit systems air pressure should amount to approx 8 bar Turn off tractor engine Check system components by releasing brake pedal in tractor Pay particular attention to conduit connections and brake cylinders Repeat the system check with depressed tractor brake pedal The help of a second person is required In the event of the ...

Page 119: ...the system components Contact of pneumatic conduit seals etc with oil grease petrol etc may cause damage and accelerate the ageing process Bent permanently deformed cut or worn conduits should be replaced Visual inspection of the system Conduct inspection of system at the same time as when checking tightness ATTENTION Repair exchange or regeneration of pneumatic system components may only be perfo...

Page 120: ...pneumatic connection until resistance is felt Remove securing slide 1 figure 5 9 Hold the filter cover 2 with the other hand After removing slide lock the cover is pushed off by the spring located in the filter housing The filter element and the filter body should be carefully cleaned and blown through with compressed air Assembly should be done in reverse order Cleaning the air filter filters eve...

Page 121: ...Draining water from air tank every seven days of use FIGURE 5 10 Draining water from air tank 1 air tank 2 drain valve 3 control connector Required maintenance actions Open drain valve 2 placed in lower part of tank 1 tank is placed in rear part of turntable frame ...

Page 122: ...ANGER Release air from the air tank before dismantling drain valve Required maintenance actions Cleaning valve every 12 months before winter period Completely reduce pressure in air tank Reduction of pressure in tank is achieved by tilting the drain valve stem Unscrew valve Clean the valve blow it with compressed air Change copper seal Screw in valve fill tank with air and check tank tightness 5 3...

Page 123: ...nated socket Before the winter it is recommended to preserve the seal with special preparations e g silicon grease for rubber elements Each time before hitching the machine inspect technical condition and cleanness of connectors and sockets in tractor If necessary clean or repair tractor sockets Inspecting trailer connections connection should be inspected every time before connecting trailer to t...

Page 124: ... HYDRAULIC SYSTEM MAINTENANCE 5 4 1 PRELIMINARY INFORMATION Work connected with the repair change or regeneration of hydraulic system components tipping cylinder valves etc should be entrusted to specialist establishments having the appropriate technology and qualifications for this type of work The duties of the operator connected with the hydraulic system maintenance include checking tightness a...

Page 125: ...ks are permissible with symptoms of sweating however in the event of noticing leaks in the form of droplets stop using the trailer until faults are remedied If unreliability is evident in brake cylinders do NOT use trailer with damaged system until faults are remedied Checking tightness after the first week of use every 12 months of use 5 4 3 CHECKING TECHNICAL CONDITION OF HYDRAULIC COUPLERS AND ...

Page 126: ...f electrical system components should be entrusted to specialist establishments having the appropriate technology and qualifications for this type of work The responsibilities of the user are limited to technical inspection of electrical system and reflectors changing bulbs ATTENTION Do NOT travel with out of order lighting system Damaged lamp lenses and burned out bulbs must be replaced immediate...

Page 127: ...g the trailer TIP Before driving off make certain that all lamps and reflectors are clean 5 6 TRAILER LUBRICATION TABLE 5 4 Trailer lubrication schedule ITEM LUBRICATION POINT NUMBER OF LUBRICATION POINTS TYPE OF GREASE FREQUENCY 1 Hub bearing 4 A 24M 2 Drawbar eye 1 B 14D 3 Turntable 2 A 24M 4 Expander shaft sleeve in drum hub 8 A 3M 5 Brake expander bearing 4 A 3M 6 Leaf spring 4 C 6M 7 Slide ga...

Page 128: ... lug 10 A 1M 17 Pin and lock of walls 20 A 1M 18 Front side wall locking lever 2 A 3M 19 Rear side wall locking lever 2 A 3M 20 Rear wall locking lever 1 A 3M 21 Parking brake guide roller pin 1 1 A 6M Lubrication periods M months D days 1 not shown in figure TABLE 5 5 Recommended lubricants MARKING ACCORDING TO TAB 5 4 DESCRIPTION A machine general purpose grease lithium calcium grease B Grease f...

Page 129: ... pin should be lubricated according to recommendations contained in table 5 4 Parts to be lubricated with machine oil should be wiped with dry clean cloth and then a small quantity of oil should be applied to their surfaces using oil can or brush Wipe off excess oil Change of grease in hub bearings should be entrusted to specialised service points equipped with the appropriate tools According to t...

Page 130: ...Pronar T680 SECTION 5 5 32 FIGURE 5 12 Trailer s lubrication points part 1 ...

Page 131: ...SECTION 5 Pronar T680 5 33 FIGURE 5 13 Trailer s lubrication points part 2 ...

Page 132: ...h the system with the appropriate preparation then comply with these recommendations Attention should be given so that chemical substances used for this purpose do not damage the materials of the hydraulic system During normal trailer use change of hydraulic oil is not necessary but if required this operation should be entrusted to a specialist service point Because of its composition the oil is n...

Page 133: ...e disposal procedure used containers contaminated rags etc Information leaflet material safety data sheet should be kept together with grease 5 8 CLEANING THE TRAILER Trailer should be cleaned depending on requirements and before longer idle periods e g before winter period Wash trailer each time after unloading the material which may cause corrosion of trailer components Before using pressure was...

Page 134: ... or plastic surfaces In the event of doubt it is recommended to make a test on an unseen surface area Surfaces smeared with oil or grease should be cleaned by application of benzene or other degreasing agents and then washed with clean water with added detergent Comply with recommendations of the Manufacturer of cleaning agents Detergents should be kept in original containers optionally in replace...

Page 135: ...ld be very carefully washed and dried Corroded places should be cleaned of rust degreased and protected using undercoat paint and then painted with surface paint according to colour scheme In the event of a prolonged work stoppage it is essential to lubricate all components regardless of the date of the last lubrication Wheel rims and tyres should be carefully washed and dried During longer storag...

Page 136: ... tightening torque for the most frequently used nut and bolt connections are given in table below Given values apply to non lubricated steel bolts TABLE 5 7 Tightening torque for nut and bolt connections 5 8 1 8 8 1 10 9 1 THREAD METRIC Md Nm M10 37 49 72 M12 64 85 125 M14 100 135 200 M16 160 210 310 M20 300 425 610 M24 530 730 1 050 M27 820 1 150 1 650 M30 1 050 1 450 2 100 1 strength class accor...

Page 137: ...assembly of wall extensions should be carried out with the use of appropriate platforms ladders ramps or other stable raised surfaces Particular care should be taken holding onto the trailer with one hand Work should be done with the help of another person The frame structure comprises front apex 1 figure 5 15 rear apex 2 centre apex 3 ridge pipe 4 and two rim pipes 5 Assembly of frame and tarpaul...

Page 138: ...rs to catches 12 located on the left side of the trailer tighten tarpaulin cover and secure the front and rear part of the tarpaulin cover to catches 16 using expanders 14 Disassembly of the frame and tarpaulin cover should be performed in reverse order DANGER Assembly and disassembly of the frame should be carried out with the use of appropriate platforms ladders or when standing on a ramp These ...

Page 139: ...rame with tarpaulin cover 1 front apex 2 rear apex 3 centre apex 4 ridge pipe 5 rim pipe 6 rolling beam 7 tarpaulin cover 8 tarpaulin cover tensioner 9 tensioner catch 10 clamp 11 tensioner hook 12 expander hook 13 grab 14 expander 15 limiter ...

Page 140: ...locks and front wall and after that secure base of extensions with the aid of pin lugs to upper part of side walls Attach wall extension ladder and the side wall foot plate to the front wall Dismounting of wall extensions should be performed in reverse order DANGER Installation and dismounting of wall extensions should be carried out with the use of appropriate platforms ladders or when standing o...

Page 141: ...hanged by this operation The spring is designed solely for maintaining the set drawbar height In many upper transport hitch solutions of tractors it is possible to adjust its height to the hitch of the machine The trailer drawbar should be positioned as horizontally as possible or with the drawbar eye slightly raised FIGURE 5 16 Adjustment of drawbar position 1 spring 2 spring catch ...

Page 142: ... needed Damaged bearings Replace bearings Noise in wheel axle hub Damaged hub parts Replace Insufficient pressure in the system Check pressure on tractor pressure gauge wait till compressor fills tank to required pressure Damaged air compressor in tractor Repair or replace Damaged brake valve in tractor Repair or replace Leaking system conduits or connections Check system for tightness Incorrect m...

Page 143: ...der Check cylinder piston rod bending corrosion check cylinder for tightness cylinder piston rod seal if necessary repair or replace the cylinder Excessive cylinder loading Check and reduce cylinder loading if necessary Incorrect hydraulic system operation Damaged hydraulic conduits Check and make certain that hydraulic conduits are tight not fractured and properly tightened If necessary replace o...

Page 144: ...Pronar T680 SECTION 5 5 46 ...

Page 145: ...NOTES ...

Page 146: ... ...

Page 147: ...ER VERSION AXLE FRONT REAR 385 65 R22 5 18PR 1 500 60R22 5 165A8 2 425 65 R22 5 TL 3 T680 550 45 R22 5 151E 4 1 wheel disc 11 75 x 22 5 ET 0 2 wheel disc 16 00x22 5H2 ET 40 3 wheel disc 13 00x22 5 ET 0 4 wheel disc 16 00x22 5 ET 40 ...

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