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Pronar T682, Pronar T682/1 

SECTION 1 

1.12

 

 

FIGURE 1.3 

Transport lugs 

(1) transport lug, (2) upper longitudinal frame 

IMPORTANT 

 

Do  not  attach  or  hitch  the  trailer  by  drawbar  eye,  absorber  springs  or  other 
structural elements that are not sufficiently strong to withstand such a load. 

Use  certified  and  technically  reliable  securing  measures.  Worn  straps,  cracked  securing 

catches,  bent  or  corroded  hooks  as  well  as  elements  damaged  in  a  different  way  may  be 

unsuitable  for  use.  Carefully  read  the  information  stated  in  the  Operator's  Manual  for  the 

given securing measure. The number of securing elements (cables, straps, chains and stays 

etc.)  and  the  force  necessary  for  their  tensioning  depend  on  such  factors  as  the  machine 

weight,  the  carrier  vehicle  design,  ground  speed  and  other  conditions.  For  this  reason  it  is 

impossible to define the securing plan precisely. 

Summary of Contents for T682

Page 1: ...on Before using the machine the user must carefully read this Operator s Manual and observe all recommendations This guarantees safe operation and ensures failure 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 principles of safe use and operation of agricultural trailers Pronar T682 and...

Page 2: ...on s health or life Vital information and instructions that must be observed are by the symbol and also preceded by the word IMPORTANT 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 Operator s Manual is marked with the pict...

Page 3: ... s forward travel Right side side to the right hand of the operator facing in the direction of machine s forward travel REQUIRED MAINTENANCE Maintenance actions described in the manual are marked with the sign Result of maintenance adjustment actions or comments concerning the performance of actions are marked with the sign ...

Page 4: ......

Page 5: ......

Page 6: ...NDEPENDENT SHIPPING BY THE USER 1 13 1 6 ENVIRONMENTAL RISK 1 14 1 7 WITHDRAWAL FROM USE 1 15 2 SAFETY ADVICE 2 1 2 1 SAFETY INFORMATION 2 2 2 1 1 BASIC SAFETY RULES 2 2 2 1 2 HITCHING AND UNHITCHING FROM TRACTOR 2 3 2 1 3 HYDRAULIC SYSTEM AND PNEUMATIC SYSTEM 2 4 2 1 4 LOADING AND UNLOADING 2 4 2 1 5 CLEANING MAINTENANCE AND ADJUSTMENT 2 6 2 1 6 SAFE DRIVING 2 8 2 1 7 TYRES 2 11 2 1 8 OPERATING P...

Page 7: ...LER FOR WORK 4 2 4 1 1 PRELIMINARY INFORMATION 4 2 4 1 2 HAND OVER AND INSPECTION OF THE MACHINE AFTER DELIVERY 4 2 4 1 3 PREPARE THE TRAILER FOR THE FIRST USE TEST RUN OF THE TRAILER 4 3 4 1 4 PREPARING THE TRAILER FOR NORMAL USE 4 4 4 2 HITCHING AND UNHITCHING THE TRAILER 4 5 4 3 LOADING AND SECURING LOAD 4 8 4 3 1 GENERAL INFORMATION ABOUT LOADING 4 8 4 4 TRANSPORT THE LOAD 4 15 4 5 UNLOADING 4...

Page 8: ...LIMINARY INFORMATION 5 17 5 3 2 CHECK TIGHTNESS 5 17 5 3 3 INSPECTION OF THE SYSTEM 5 18 5 4 CLEANING THE AIR FILTERS 5 19 5 4 1 DRAIN WATER FROM AIR TANK 5 20 5 4 2 CLEAN THE DRAIN VALVES 5 21 5 4 3 CLEANING AND MAINTAINING PNEUMATIC CONDUIT CONNECTIONS AND PNEUMATIC SOCKETS 5 21 5 5 HYDRAULIC SYSTEM MAINTENANCE 5 22 5 5 1 PRELIMINARY INFORMATION 5 22 5 5 2 CHECK HYDRAULIC SYSTEM TIGHTNESS 5 22 5...

Page 9: ...WBAR 5 33 5 9 3 SUSPENSION 5 34 5 9 4 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5 36 5 10 ADJUSTMENT OF DRAWBAR POSITION 5 37 5 11 MAINTENANCE OF SUSPENSION SYSTEM 5 39 5 12 TROUBLESHOOTING 5 39 5 12 1 TROUBLESHOOTING 5 39 ...

Page 10: ......

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

Page 12: ...682 Pronar T682 1 SECTION 1 1 2 1 1 IDENTIFICATION 1 1 1 TRAILER IDENTIFICATION FIGURE 1 1 Location of the nameplate and vehicle identification number VIN 1 nameplate 2 example of vehicle identification number ...

Page 13: ... The meaning of the items on the nameplate is shown in the table below TABLE 1 1 Markings on nameplate ITEM MARKING A General description and purpose B Symbol Machine type C Year of manufacture D Seventeen digit vehicle identification number VIN E Official certificate number F Machine tare weight G Maximum gross weight H Carrying capacity I Permissible hitching system load J Permissible axle load ...

Page 14: ... 4 FIGURE 1 2 Location of the axle nameplate 1 nameplate 2 wheel axle 1 1 3 LIST OF SERIAL NUMBERS TABLE 1 2 List of serial numbers VIN S Z B 6 8 2 X X X SERIAL NUMBER OF FRONT AXLE SERIAL NUMBER OF CENTRAL AXLE SERIAL NUMBER OF REAR AXLE ...

Page 15: ...the Manufacturer and the road transport regulations in force in the country in which the trailer is used shall void the warranty and is regarded as use of the machine contrary to its intended purpose The trailer is not intended or designed for transporting people animals or goods classified as dangerous materials The machine can be aggregated with agricultural tractors only The trailer is designed...

Page 16: ...trailer transport loads which have uneven load distribution and or overload axles and suspension elements Using it as intended also involves all actions connected with the safe and proper operation and maintenance of the machine Due to the above the user is obliged to carefully read the OPERATOR S MANUAL and the WARRANTY BOOK and follow instructions in these documents understand the trailer s oper...

Page 17: ...P Tractor requirements depend on trailer accessories TABLE 1 3 Requirements for agricultural tractor CONTENTS UNIT REQUIREMENTS System pressure rating Single conduit pneumatic system Double conduit pneumatic system Hydraulic system bar bar bar 5 8 6 5 6 5 7 150 Electrical system Electrical system voltage Connection socket Solenoid valve power supply socket V 12 7 pole 3 pole Tractor hitches Type o...

Page 18: ... 540 1 3 EQUIPMENT TABLE 1 4 Equipment EQUIPMENT STANDARD ADDITIONAL OPTION OPERATOR S MANUAL WARRANTY BOOK Rotating drawbar eye 50 Fixed drawbar eye 50 Fixed drawbar eye 40 Fixed ball drawbar 80 Spare wheel PTO shaft Turning interlock hydraulic system Double line pneumatic brake system 2 line pneumatic brake system with ALB regulator Single line pneumatic brake system Hydraulic brake system ...

Page 19: ...NS OF WARRANTY PRONAR Sp z o o Narew guarantees the reliable operation of the machine when it is used according to its intended purpose as described in the OPERATOR S MANUAL The repair period is specified in the WARRANTY BOOK The warranty does not cover those parts and sub assemblies of the machine which are subject to wear in normal usage conditions regardless of the warranty period Consumables i...

Page 20: ... for purposes other than those for which it is intended use of damaged machine repairs carried out by unauthorised persons repairs carried out improperly making unauthorised alterations to machine design the user loses the warranty The user is obliged to report immediately on noticing any wear in the paint coating or traces of corrosion and to have the faults rectified whether they are covered by ...

Page 21: ...ng equipment must have the qualifications required to operate these machines Lifting equipment used for transporting the machine must be attached only to the fixed structural elements of the machine These elements are first of all frame drawbar and axle The trailer should be attached firmly to the platform of the vehicle using straps or chains fitted with a tightening mechanism In order to attach ...

Page 22: ...measures Worn straps cracked securing catches bent or corroded hooks as well as elements damaged in a different way may be unsuitable for use Carefully read the information stated in the Operator s Manual for the given securing measure The number of securing elements cables straps chains and stays etc and the force necessary for their tensioning depend on such factors as the machine weight the car...

Page 23: ...en in table 3 1 IMPORTANT When shipped by road on a motor vehicle the machine must be mounted on the vehicle s platform in accordance with the safety requirements and regulations Vehicle driver should be especially careful when driving This is due to the vehicle s centre of gravity shifting upwards when the machine is loaded Use only certified and technically reliable securing measures Carefully r...

Page 24: ...place on an oil resistant floor or surface In the event of oil leaking into the environment first of all contain 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 co...

Page 25: ...g withdrawal from use and recycling of machines withdrawn from use Before proceeding to dismantle equipment oil shall be completely removed from hydraulic system Worn out or damaged parts that cannot be reclaimed should be taken to a collection point for recyclable raw materials Hydraulic oil should be taken to the appropriate facility dealing with the re use of this type of waste DANGER During di...

Page 26: ...Pronar T682 Pronar T682 1 SECTION 1 1 16 ...

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

Page 28: ...he trailer and also failure to follow the instructions of this Operator s Manual may pose risk to the health and life of bystanders and or machine operator 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 the agricultural tractors and not trained in the safety ...

Page 29: ...HING AND UNHITCHING FROM TRACTOR Be especially careful when hitching and unhitching the machine While connecting the trailer to the tractor use the appropriate hitch After completed hitching of the machines check the safety of the hitch Carefully read the tractor Operator s Manual If the tractor is equipped with an automatic hitch make certain that the coupling operation is completed When hitching...

Page 30: ...ydraulic lines must be replaced every 4 years regardless of their technical condition Use the hydraulic oil recommended by the Manufacturer After changing the hydraulic oil the used oil should be properly disposed of Used oil or deteriorated oil should be stored in original containers or replacement containers resistant to hydrocarbons Replacement containers must be clearly marked and appropriatel...

Page 31: ... loading Keep a safe distance from overhead electric power lines during unloading and when load box is raised When opening the tailgate make sure that there are no bystanders behind the trailer Do NOT tip of the load box in windy conditions If the load does not pour from the raised load box immediately cease unloading The trailer may only be tipped again after removing the object which prevented t...

Page 32: ...r detriment to health which may arise as a result The trailer can only be stood on when it is absolutely motionless and the tractor engine is switched off Tractor and trailer should be immobilized with parking brake and chocks should be placed under the trailer wheels Ensure that unauthorised persons do not have access to the tractor cab Regularly check the condition of nut and bolt connections in...

Page 33: ...equirements may put the user and other people s health and life at risk and also damage the machine and invalidate the guarantee Before welding or electrical work the trailer should be disconnected from the power supply The paint coating should be cleaned Burning paint fumes are poisonous for people and animals Welding work should be carried out in a well lit and well ventilated space During weldi...

Page 34: ... valve brake cylinders tipping cylinder and braking force regulator In the event of damage to these elements repair should be entrusted to authorised service point or elements should be replaced with new ones Do NOT make repairs to drawbar straightening pad welding or welding A damaged drawbar must be replaced Do NOT install additional appliances or fittings not according to the specifications def...

Page 35: ...hould be placed on the trailer s tailgate Before moving off check that the machine is correctly hitched to the tractor check if hitching pin is secure The vertical load carried by the drawbar eye of the machine affects the steering of the tractor unit Do NOT exceed permissible ground speed Excessive speed may lead to the loss of control of the set damage to the trailer and or tractor and lower bre...

Page 36: ... stay at a safe distance from the danger zone and be visible all the time to the tractor driver While driving on public roads the trailer and the tractor must be fitted with a certified or authorised reflective warning triangle The machine must NOT be left unsecured The trailer unhitched from the tractor must be secured against rolling away by means of parking brake and wheel chocks placed under t...

Page 37: ...euvres or high speeds when turning Check the tyre pressure regularly 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 load or speed Do not release air from warm tyres to adjust the pressure or the tyres will be underinflated when temperature...

Page 38: ...ty guards or other protection elements During shaft operation the telescopic pipes must overlap by at least one third of their length When using the PTO shaft and trailer do not use PTO rotation speed greater than 540 rpm Do NOT overload shaft and machine and also engage the clutch suddenly Before starting PTO shaft make certain that the PTO rotation direction is correct The chains preventing the ...

Page 39: ...hecks work of machine on unstable and sloping surface The residual risk may be kept to a minimum by following the recommendations below operate the machine in prudent and unhurried manner sensibly adhere to the remarks and recommendations contained in the OPERATOR S MANUAL maintain a safe distance from the danger zones a ban on being on the machine when it is operating except the places specially ...

Page 40: ...uring repair must be labelled once again with the appropriate safety signs During machine cleaning do not use solvents which may damage the coating of information decals and do not subject them to strong water jets TABLE 2 1 Information and warning decals ITEM SAFETY SYMBOL DESCRIPTION 1 Note Before starting work carefully read the OPERATOR S MANUAL 70N 00000004 2 Before maintenance or repairs tur...

Page 41: ...se the machine according to the recommendations in the OPERATOR S MANUAL 104N 00000004 5 Maximum static drawbar load 103RPN 00 00 00 02 6 IMPORTANT Danger of getting caught by the rotating drive shaft 78RPN 00000005 7 Maximum PTO speed 75N 00000004 8 Line functions 58RPN 0000041 ...

Page 42: ...ic power lines during unloading 58RPN 00 00 020 10 Danger of crushing the whole body Keep a safe distance from the tailgate 58RPN 00 00 013 11 Danger of crushing the whole body Do NOT perform any maintenance or repairs on the load box that is loaded raised or not supported 58RPN 00 00 012 12 Machine type 75RPN 00000002 T682 75RPN 00000005 T682 1 ...

Page 43: ...SECTION 2 Pronar T682 Pronar T682 1 2 17 ITEM SAFETY SYMBOL DESCRIPTION 13 Marking of trailer attachment points during transport 58RPN 00 00 019 14 Maximum design speed 204N 00000008 ...

Page 44: ...Pronar T682 Pronar T682 1 SECTION 2 2 18 FIGURE 2 3 Locations of information and warning decals ...

Page 45: ...SECTION 3 DESIGN AND OPERATION ...

Page 46: ...ght of side walls mm mm 1 200 Load surface m2 17 8 Cargo capacity no wall extensions m3 22 Weight and carrying capacity Maximum gross weight kg 30 000 33 000 Carrying capacity kg 21 000 24 000 Tare weight kg 9 000 Other information Wheel track mm 2 100 Height of platform from ground mm 1 495 Maximum static drawbar eye load kg 3 000 Nominal voltage of electrical system V 12 Maximum design speed km ...

Page 47: ...eel sections The main support elements are two longitudinal members connected with crossbars In the front part of the chassis a sprung drawbar 2 is attached to which in turn the drawbar eye 5 and the trailer parking support 6 are screwed Depending on the version the trailer may be equipped with the following 50 mm rotating drawbar to be connected with the upper hitch 40 mm fixed drawbar to be conn...

Page 48: ...and one fixed axle 1 which are attached to taper leaf springs with U bolts The springs are connected with rocker arm Axles are made from square bars terminated with a pin where wheel hubs are mounted on taper bearings The wheels are single and equipped with shoe brakes activated by mechanical cam expanders FIGURE 3 2 Chassis rear view 1 fixed axle 2 steer axle 3 spring suspension 4 rear protection...

Page 49: ... enables easier unloading of transported materials The load box is mounted on the lower frame using tipping pins In the front the front wall two inspection windows 3 were placed and a ladder 4 was screwed on The load box can be equipped with 580 mm or 700 mm wall extensions 2 additional equipment then an additional ladder 5 is mounted to the front extension A ladder and folding side steps not show...

Page 50: ... box there is the tailgate 1 which is opened and closed using tailgate hydraulic system In order to enable more precise unloading of bulk materials a slide gate 2 and a chute 3 are placed in the tailgate additional equipment As an option 1 000 mm silo wall extensions or 580 mm wall extensions with the net protection can be installed on the trailer ...

Page 51: ... systems are presented in Figures 3 5 and 3 6 The trailer is connected to the tractor by means of two wires the main 7 pin spiral connection cable and the 3 pin cable to supply the solenoid valve system of the hydraulic tipping system Both cables are standard equipment of the machine FIGURE 3 5 Schematic diagram of the solenoid valve electrical system TABLE 3 2 Lead colour marking MARKING LEAD COL...

Page 52: ... TOL Rear clearance light right left OTP OTL License plate light right left PP PL Front parking light right left OBP OBL Clearance light right left WGZ 3 pole plug S1 Solenoid valve switch EZ1 EZ2 Solenoid valves TABLE 3 4 Connection socket marking GT and X7P MARKING FUNCTION 31 Ground Power supply 12V L Left indicator 54 STOP light 58L Front left parking light 58R Front right parking light R Righ...

Page 53: ...SECTION 3 Pronar T682 Pronar T682 3 9 FIGURE 3 6 Electrical lighting system diagram ...

Page 54: ...quipment Figures 3 8 3 10 show diagrams of braking systems with rear output for connecting a second trailer It is an optional equipment of each system variant The main brake pneumatic or hydraulic brake is activated from the tractor driver s cab by depressing the brake pedal The task of the control valve is to activate the trailer s brakes when the brake pedal is depressed in the tractor Furthermo...

Page 55: ...ar T682 Pronar T682 3 11 FIGURE 3 8 Diagram of double conduit pneumatic system with manual regulator FIGURE 3 9 Diagram of double conduit pneumatic system with automatic regulator FIGURE 3 10 Hydraulic system diagram ...

Page 56: ...NING Pneumatic connection plug Pneumatic connection with cut off valve socket Air filter Drain valve Main control valve Relay valve Automatic regulator of braking force Three position manual regulator of braking force Conduit connection connector Air tank Pneumatic cylinder Valve control connection ...

Page 57: ...ork 4 long fork 5 pneumatic conduit 6 plug FIGURE 3 12 Brake cylinder design 1 front cover 2 rear cover 3 membrane 4 spring 5 cylinder rod 6 clamping ring Valve used in the system is equipped with a circuit causing the brakes to be applied when trailer is disconnected from the tractor figure 3 13 When compressed air conduit is ...

Page 58: ...e lever 4 prior to moving off Three working positions are available A no load B half load and C full load FIGURE 3 13 Control valve and braking force 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 In double conduit systems with automatic regulator braking force ...

Page 59: ...a tensioning lever Tensioning the cable causes the rotation of both levers which immobilize the trailer by opening the brake shoes 3 2 6 HYDRAULIC TIPPER SYSTEM Hydraulic tipping system ensures automatic unloading of trailer by tipping the load box to the rear The trailer is equipped with an independent hydraulic system Its design is shown in figure 3 15 The system pump is driven by a transmission...

Page 60: ... 10 oil level indicator The 100 litre oil tank is located between the bottom frame side longitudinal members The top of the tank has an oil filler cap 5 and a filter 4 located on the oil return from the solenoid valve block IMPORTANT The maximum tilt angle of the load box when tilting it backwards is limited by steel cables The cable length is set by the manufacturer and may not be changed while t...

Page 61: ...d with L HL32 Lotos hydraulic oil 3 2 7 TAILGATE LIFTING HYDRAULIC SYSTEM The hydraulic system is designed for remote control of the tailgate operation from the position of the agricultural tractor operator The system is supplied from the trailer s hydraulic oil tank and the remote control is carried out via the solenoid valve block ...

Page 62: ... easier manoeuvring on marshy terrain due to which there is less tyre wear on machine While reversing axle hub must be blocked otherwise the trailer will have a tendency to turn uncontrollably to the left or the right during reversing The axle can be locked by a single line hydraulic system as shown in Figure 3 19 Before moving to the rear extend hydraulic turning interlock cylinder 1 with the aid...

Page 63: ...82 Pronar T682 3 19 FIGURE 3 18 Construction and design of steering lock hydraulic system 1 locking cylinder 2 steering axle 3 hydraulic quick coupler TIP The turning lock hydraulic system was filled with L HL32 Lotos oil ...

Page 64: ...Pronar T682 Pronar T682 1 SECTION 3 3 20 ...

Page 65: ...SECTION 4 CORRECT USE ...

Page 66: ...ormed by the seller about the method of use of the machine risks resulting from the use for purposes other than intended the method of the machine hitching and the principles of the machine operation and design Detailed information concerning the machine hand over are included in the WARRANTY BOOK Check the trailer after delivery Check completeness of the machine according to order Check condition...

Page 67: ...haft manual and follow all relevant instructions in the text Visually inspect the trailer according to the guidelines presented in section PREPARING THE TRAILER FOR USE Hitch machine to tractor Park the trailer on an even hard and level surface Immobilise the tractor with parking brake Test start Check all lubrication points of the trailer and PTO shaft and check level of oil in the tank Lubricate...

Page 68: ...g lock hydraulic cylinders If during test run worrying symptoms occur such as excessive noise and abnormal sounds originating from the rubbing of moving elements leaky brake system hydraulic oil leaks incorrect operation of brake cylinders other faults stop operating the trailer and do not operate it until the malfunction is corrected If a fault cannot be rectified or the repair could void the war...

Page 69: ...is Operator s Manual can be dangerous to the health and life of the operator and others 4 2 HITCHING AND UNHITCHING THE TRAILER The machine can be connected to an agricultural tractor if all electrical hydraulic and pneumatic connections and the hitch on the agricultural tractor meet the machine manufacturer s requirements In order to hitch the trailer to the tractor perform the actions below in t...

Page 70: ... the yellow socket in the tractor and then connect the red conduit to the red socket in the tractor If the trailer is equipped with a hydraulic braking system connect the braking system conduit to proper hydraulic socket in the tractor Connect the two electric system cables 7 wire to control the lights the solenoid valves of the tipping system and the 3 wire for tailgate Connect the steering lock ...

Page 71: ...ulic and pneumatic systems of the tractor and the trailer are not under pressure Ensure sufficient visibility during hitching Exercise due caution during support operation danger of severing limbs After completion of hitching check the security of the hitching pin Unhitching In order to unhitch the trailer from the tractor follow these steps Immobilise tractor with parking brake turn off tractor e...

Page 72: ...ING LOAD 4 3 1 GENERAL INFORMATION ABOUT LOADING Before beginning loading make certain that the tailgate and chute slide gate are properly closed and secured The trailer must be positioned to travel forward and be hitched to the tractor Loading should only take place when trailer is placed on flat level surface and hitched to tractor Regardless of the type of load carried the user is obliged to se...

Page 73: ...re not to overload the trailer TABLE 4 1 Guideline weights by volume of selected materials TYPE OF MATERIAL WEIGHT BY VOLUME kg m 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 fertil...

Page 74: ...1 800 Straw litter and bulk feeds meadow hay dried in the 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 ...

Page 75: ... cut fresh beet leaves beet leaves in gathering trailer 50 90 40 100 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 ...

Page 76: ...WN Warszawa 1985 Loading should be carried out by a person experienced in this type of work and having appropriate authorisation for operating equipment if required DANGER 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 ...

Page 77: ... spilling during travel being blown away by the wind and also protects load against moisture which is particularly dangerous in the case of bulk materials They may absorb a significant amount of water which may increase 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 g...

Page 78: ... the ADR agreement High volume loads High volume loads light with large volumes such as hay presses blocks or bales straw silage etc should be loaded with appropriate fittings bale grabs forks etc Load may be loaded even exceeding the height of load box extensions but particular attention should be paid to the trailer stability and the proper attachment and securing of the load Remember that highe...

Page 79: ...he trailer user must carefully read the regulations concerning road transport and comply with them DANGER Overloading the trailer erroneous loading and securing of the load is the most frequent cause of accidents during transport The load must be arranged in such a way that it does not threaten the stability of the trailer and does not hinder driving Ensure that during unloading loading or raising...

Page 80: ...houlder avoiding any risk to other road users and position reflective warning 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...

Page 81: ...even terrain and adjust driving speed to road conditions slow down early enough when turning Prolonged driving across steep ground may lead to loss of braking efficiency 4 5 UNLOADING Unloading of the trailer is performed in the following sequence tractor and trailer must be placed to drive forward on flat and hard ground immobilise tractor and trailer with parking brake start the PTO drive on the...

Page 82: ...the bolt interlocking slide gate 4 open the slide as required and lock again using the bolt During unloading through chute load box must be raised slowly and smoothly Raising the load box quickly will exert large pressure on the tailgate due to displacement of the carried material and could compromise trailer s stability DANGER Tipping the load box must be done on hard and level ground When openin...

Page 83: ...roceed cautiously and patiently Careless operation of trailer may pose a danger to operators and bystanders can also cause damage to the machine DANGER Do NOT jerk the trailer forward if load is bulky or reluctant to pour and does not unload Ensure that during unloading nobody is near tipped load box or load material pouring out Tipping may only be performed when trailer is hitched to tractor Do N...

Page 84: ...ion 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 load or speed Do not release a...

Page 85: ...SECTION 5 MAINTENANCE ...

Page 86: ...s section In the event of unauthorized repairs changes to factory settings or activities which the machine operator is not allowed to perform the warranty will be invalidated 5 2 SERVICING WHEEL AXLE 5 2 1 PRELIMINARY INFORMATION Work connected with the repair change or regeneration of axle components should be entrusted to specialist establishments having the appropriate technology and qualificat...

Page 87: ...5 2 2 CHECK WHEEL AXLE BEARINGS FOR SLACKNESS FIGURE 5 1 Lifting jack support point 1 wheel axle 2 U bolt Preparatory procedures Hitch trailer to tractor immobilize tractor with parking brake Park the trailer on hard level ground Tractor must be placed to drive forward Place chocks under the trailer s wheel that will not be raised Ensure that machine will not move during inspection ...

Page 88: ...se a lever placed under the wheel supporting the other end of the lever on the floor Lower the lifting jack relocate the chocks to the other wheel and repeat the inspection procedure for the other wheels TIP If hub cover is damaged or missing contamination and dampness enter the hub which causes significantly faster wear of bearings and hub seals Life of bearings is dependent on working conditions...

Page 89: ...g inspection of axle bearing slackness 5 2 3 ADJUST THE PLAY OF THE AXLE BEARINGS The wheel should turn smoothly without jamming and detectable resistance Adjustment of bearing slackness may only be conducted when the trailer is not loaded and is hitched to the tractor Ensure that the trailer is properly secured and is immobilised when wheel is being removed Take off hub cover 1 figure 5 3 Take ou...

Page 90: ...hen wheel is being removed Loosen wheel nuts according to the sequence shown in figure 5 4 Place lifting jack and lift the trailer The lifting jack should have sufficient lifting capacity and should be technically reliable The lifting jack must be positioned on a level and hard surface so as to prevent sinking into the ground or relocating the jack during lifting If necessary use proper backing pl...

Page 91: ... spanner If a torque spanner is not available one may use an ordinary spanner The arm of the spanner L figure 5 5 should be selected according to the weight of the person F tightening the nut Remember that this method of tightening is not as accurate as the use of a torque spanner Tightening of nuts should be checked with the frequency given in the below table The activities should be repeated aft...

Page 92: ...r Before commencing work ensure that correct tightening torque value is set 5 2 5 CHECK AIR PRESSURE IN TYRES TECHNICAL CONDITION OF TYRES AND STEEL RIMS TIP Tyre pressure values are specified in information decal placed on wheel or on the frame above machine wheel Tyre pressure should be checked each time after changing spare wheel and not less than every month In the event of intensive use air p...

Page 93: ...ecially in the area of welds and contact with tyre INSPECT Every month of use Every week during intensive work 5 2 6 CHECK THICKNESS OF BRAKE SHOE LININGS During use of trailer friction lining of brake drums is subject to wear In such a case the complete brake shoes should be replaced with new ones Excessive wear of brake shoes is the condition in which the thickness of linings which are glued or ...

Page 94: ...ss of brake shoe lining INSPECT Thickness of brake shoe linings should be checked every 6 months 5 2 7 ADJUSTMENT OF MECHANICAL BRAKES Considerable wear of brake shoe linings results in increased brake cylinder rod stroke and worse braking efficiency TIP Correct brake cylinder piston stroke should be within the range of 25 45 mm ...

Page 95: ...inder piston rod 6 cylinder fork 7 cylinder pin Braking force decreases also when the operating angle of the brake cylinder piston 5 in relation to the expander arm 1 is wrong figure 5 7 In order to obtain the optimum mechanical operating angle the cylinder piston fork 6 must be installed on the expander arm 1 in such a manner as to ensure that the operating angle at full braking is about 90 The i...

Page 96: ...ating INSPECT Check technical condition of brakes Before the period of intensive use every 6 months After repair of braking system In case of uneven trailer wheel braking IMPORTANT The positions for fixing the brake cylinder in the bracket openings and the brake cylinder pin in the expander arm are determined by the Manufacturer and must not be changed Each time when dismantling the pin or brake c...

Page 97: ...osition of arm at brake release position D position of arm at full braking position Make a line A on the brake cylinder piston 1 to indicate the position of the maximum withdrawal of the brake cylinder piston rod when the trailer s brakes are released Press the tractor brake pedal and mark the position of the maximum extension of the brake cylinder piston rod with a line B Measure the distance bet...

Page 98: ...sary 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 to bracket 7 Rotate adjustment bolt 4 to align the marked expander arm opening with the brake cylinder fork opening During adjustment membrane 2 must rest on the rear wall of the brake cylinder c...

Page 99: ...ake and the correct brake cable tension Replacing the parking brake cable FIGURE 5 9 Installing the parking brake cable 1 U bolt clamp 2 nuts of clamps 3 handbrake cable Hitch trailer to tractor Park machine and tractor on level surface Prevent the trailer from rolling by placing chocks under the wheels Immobilise tractor with parking brake Loosen nuts 2 of cable clamps and dismantle the cable Gre...

Page 100: ...ted that at total release of working and parking brake the cable would be loose and hanging by 1 2 cm IMPORTANT Parking brake cable clamps must be installed as shown in figure 5 9 i e clamp bracket 2 must be installed on the side of the shorter brake cable section Tighten nuts using tightening torque given in table TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS Adjustment of parking brake cable te...

Page 101: ...e of work The user responsibilities relating to the operation of the pneumatic system check tightness and visually inspect the system cleaning the air filter filters draining water from air tank cleaning drain valve cleaning and maintaining pneumatic conduit connections DANGER Do NOT use the trailer when the brake system is out of order 5 3 2 CHECK TIGHTNESS Check air tightness of pneumatic system...

Page 102: ...ecked elements with washing fluid or other foaming preparations which will not react aggressively with the system components It is recommended to use preparations commercially available designed to facilitate detecting air leaks Damaged components should be replaced or repaired If leaks appear at connections then tighten the connections If air continues to escape replace connection components or s...

Page 103: ...ements which are located in pneumatic system connection conduits Inserts are used many times and are not subject to changing unless they are mechanically damaged FIGURE 5 10 Air filter 1 securing slide lock 2 air filter cover DANGER Before proceeding to dismantle filter reduce pressure in supply conduit While dismounting the filter slide gate hold the cover with the other hand Stand away from filt...

Page 104: ...h compressed air Assembly should be done in reverse order INSPECT Every 3 months 5 4 1 DRAIN WATER FROM AIR TANK Required maintenance Tilt drain valve stem 2 located in the lower part of tank 1 The compressed air in the tank causes the removal of water to the exterior Released valve stem should automatically close and stop flow of air from the tank Drain the tank located on the other side of the t...

Page 105: ...ir Change copper seals Screw valves in fill tanks with air check tightness INSPECT Every 12 months before winter 5 4 3 CLEANING AND MAINTAINING PNEUMATIC CONDUIT CONNECTIONS AND PNEUMATIC SOCKETS DANGER Unreliable and dirty trailer connections may cause unreliability and malfunction of braking system Connection with damaged body should be replaced In the event of damage to cover or seal change the...

Page 106: ...MAINTENANCE 5 5 1 PRELIMINARY INFORMATION Work connected with the repair replacement or regeneration of hydraulic system components should be entrusted to specialist establishments which have the appropriate technology and qualifications for this type of work TIP Bleeding of the hydraulic system is not required during normal operation of the trailer The user responsibilities relating to the operat...

Page 107: ...y check origin of leak Inspect hydraulic seals when hydraulic cylinder is completely extended Minimum leaks are permissible with symptoms of sweating However if leaks in the form of droplets are noticed stop using the trailer If leaks appear at connections then tighten the connections If the leak at connections is not removed replace conduit connector and seals depending on place of leakage INSPEC...

Page 108: ...f their technical condition This should be done in specialised workshops 5 6 LUBRICATION TABLE 5 2 Lubrication schedule ITEM LUBRICATION POINT NUMBER OF LUBRICATION POINTS TYPE OF GREASE FREQUENCY 1 Hub bearing 12 A 24M 2 Drawbar eye 1 B 14D 3 Handbrake mechanism 1 A 6M 4 Handbrake cable guide wheel axle 2 A 6M 5 Driving shaft 1 B 1M 6 Bearings of hydraulic cylinders 4 A 3M 7 Expander shaft slide ...

Page 109: ...Tipping cylinder bearing 2 B 1M 21 Sockets and bolts of the tipping cylinder sling 8 B 1M Lubrication periods M months D days 1 grease every 3 months or each time before intensive work Trailer lubrication should be performed with the aid of a manually or foot operated grease gun filled with recommended grease Before commencing work insofar as is possible remove old grease and other contamination R...

Page 110: ...grease lithium alkaline B permanent grease for heavily loaded elements with addition of MOS2 or graphite C Anti corrosion and penetrating preparation in aerosol Empty grease or oil containers should be disposed of according to the recommendations of the lubricant Manufacturer TIP Number of lubrication points and subassemblies requiring lubrication specified in table 5 2 LUBRICATION SCHEDULE depend...

Page 111: ...SECTION 5 Pronar T682 Pronar T682 5 27 FIGURE 5 12 Trailer s lubrication points ...

Page 112: ...Pronar T682 Pronar T682 1 SECTION 5 5 28 FIGURE 5 13 Trailer s lubrication points ...

Page 113: ...nge of hydraulic oil is not necessary but if required this operation should be entrusted to a specialist service point TABLE 5 4 L HL 32 Lotos hydraulic oil characteristics ITEM NAME UNIT VALUE 1 ISO 3448VG viscosity classification 32 2 Kinematic viscosity at 40 C mm s 28 8 35 2 3 ISO 6743 99 quality classification HL 4 DIN 51502 quality classification HL 5 Flash point C 230 Because of its composi...

Page 114: ...e used containers contaminated rags etc Information leaflet material safety data sheet should be kept together with grease 5 7 TRAILER CLEANING The trailer should be cleaned as needed Before using pressure washer the user is obliged to acquaint himself with the operating principles and recommendations concerning safe use of this equipment Use only clean running water Cleaning detergents with neutr...

Page 115: ...ers optionally in replacement containers but very clearly marked Preparations may not be stored in food and drink containers DANGER Carefully read the instructions for application of detergents and maintenance preparations While washing with detergents wear appropriate protective clothing and goggles protecting against splashing Ensure cleanliness of elastic conduits and seals The plastic from whi...

Page 116: ... scheme In the event of a prolonged storage 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 a longer storage of unused trailer it is recommended that the machine should be moved a bit once every 2 3 weeks in order to change the place of contact of tyres with the ground The tyres will not be ...

Page 117: ... steering lock cylinders Lock nuts at the tie rod ends 5 9 2 DRAWBAR Drawbar bolted connections Connections of nuts and U bolts 1 Clamps 2 Mounting of the spring bolt 3 Mounting of the rocker arm pin 4 Mounting of the drawbar bolt 5 Mounting of the rocker arm bracket 6 INSPECT After first travel with load Every 6 months Each time before a period of intensive use ...

Page 118: ... 3 spring pin 4 rocker arm pin 5 drawbar pin 6 rocker arm bracket 5 9 3 SUSPENSION Suspension bolt connections Connections of nuts and U bolts 1 securing the spring to the axle Mounting of the rocker arm 2 and rocker arm lock bolts Rigid 5 and adjustable 4 reaction rod connections ...

Page 119: ...ntrol rod After tightening the bolts securing the control rods the washer 1 figure 5 16 must not touch the bracket flange 2 Otherwise remove control rod and replace all rubber taper bushings Before you install new bushings lubricate them with petroleum jelly or tire grease FIGURE 5 16 Proper tightening of control rods 1 washer 2 bracket ...

Page 120: ...OLT CONNECTIONS During maintenance or repair work apply appropriate torque when tightening bolt and nut connections unless other tightening torque values are given Recommended tightening torque values for the most frequently used bolt and nut connections are given in table 5 5 Given values apply to non lubricated steel bolts TABLE 5 5 Tightening torque for nut and bolt connections 5 8 1 8 8 1 10 9...

Page 121: ...0 Nm FIGURE 5 17 Bolt with metric thread 1 strength class d thread diameter 5 10 ADJUSTMENT OF DRAWBAR POSITION Location of the drawbar should be selected individually depending on the height of the hitch on the tractor that will pull the trailer If possible we recommend adjusting the tractor hitch so that the trailer drawbar is positioned horizontally while driving on a flat terrain Description o...

Page 122: ...acing chocks under the wheels Support the trailer on both sides of the drawbar The supports must be sufficiently strong and their length sufficient set the trailer at a height that makes adjustment possible Support the supports under the front beam of the lower frame or under the left and right longitudinal member Support the drawbar with the jack from below so that it cannot tilt when the bracket...

Page 123: ...n geometry after first travel with load every six months Each time before a period of intensive use Check the springs once a year Tighten suspension connections according to the guidelines in chapter 5 9 3 If the bolts of the control rods are loose check if the distance between the axles on the left and right side of the trailer is equal In addition check that the wheels are parallel to the direct...

Page 124: ...oor reliability of braking system 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 main or parking brake adjustment Regulate positions of expa...

Page 125: ...pressure in tyres Excessive loading of the trailer Do not exceed the permissible gross weight of the trailer Reduce ground speed while driving on turns on hardened surface Check wheel and valve Replace damaged parts Excessive wear of central part of tyre Excessive air pressure in tyres Check air pressure Regularly check correctness of air pressure in tyres Excessive wear of left or right tyre shou...

Page 126: ... in Incorrect geometry of the axles Check and adjust the length of the control rods Excessive play in the suspension system Check the correct tightening of bolt connections check the play in the suspension system Replace damaged or worn suspension rubber bushings Noticeable trailer vibration while driving Damaged steering axle shock absorber Check the shock absorber Repair or replace The load box ...

Page 127: ...SECTION 5 Pronar T682 Pronar T682 5 43 FAULT POSSIBLE CAUSE REMEDY Controller harness disconnected Damaged socket or 3 pole plug Connect the line Check the system socket and plug ...

Page 128: ...Pronar T682 Pronar T682 1 SECTION 5 5 44 ...

Page 129: ...NOTES ...

Page 130: ... ...

Page 131: ...T 30 385 65 R22 5 TL 11 75x22 5 ET 30 425 65 R22 5 18PR regenerated 13 00x22 5 425 65 R22 5 TL 13 00x22 5 445 65R22 5 169F TL regenerated 14 00x22 5 ET 0 550 60 22 5 171 A8 16 00x22 5 ET 0 600 55 22 5 16PR 169 A8 20 00x22 5H2 ET 40 620 50R22 5 172 A8 20 00x22 5H2 ET 40 ...

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