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Chapter 3

Construction and principle of operation

3.8

PRONAR T672ECO

bolted to facilitate access to the load box.
The trailer's additional equipment is
a tarpaulin (14) with a rolling beam (16)
mounted with a folding frame (6). The
balcony (12) serves as a platform for the
tarpaulin operator.
In order to allow more precise unloading
of loose materials, a slide (1) has been

placed in the rear wall - figure (3.4), which

is lifted by means of a lever (3). The gate
valve in the upper position and during the
passage must be secured by tightening
the locking screw (4). The rear chute (2)
can be installed as additional equipment
on the trailer.

G.3.3.619.02.1.EN

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Summary of Contents for T672ECO

Page 1: ...SKIE 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 SAFE FOR FUTURE USE ISSUE 1A 05 2020 EDITION NO 619 00 UM 1A EN USER MANUAL AGRICULTURAL TRAILER PRONAR T672ECO ORIGINAL MANUAL EN ...

Page 2: ...udy is the property of PRONAR Sp z o o and is a work within the meaning of the Copyright and Related Rights Act No part of this document may be distributed or copied in any way electronic mechanical or other without the written consent of PRONAR Sp z o o ...

Page 3: ...INTRODUCTION ...

Page 4: ...chine was constructed in accordance with applicable standards documents and current legal regulations If the information contained in the oper ating instructions does not turn out to be comprehensible please contact the sales office where the machine was purchased or directly to the Manufacturer After purchasing the machine we rec ommend to enter the machine serial number in the fields below U 10 ...

Page 5: ...ersons op erating the machine or bystanders CAUTION Particularly important information and rec ommendations the observance of which is absolutely necessary are highlighted in the text with a frame saand word CAUTION Failure to comply with these recommen dations creates the risk of damage to the machine due to improper handling ad justment or use ADVICE Additional instructions contained in the manu...

Page 6: ...direction Right side the right hand side of the ob server facing the machine in the forward direction Turn right turn the mechanism clockwise operator facing the mechanism Turn left turn the mechanism counter clockwise operatorfacingthemechanism U 03 1 EN A B C D Figure 1 1 Determining directions on the machine A front B rear C right side D left side ...

Page 7: ... Check technical condition of guards safety devices Check the condition of the paint coating check for any signs of corrosion Check the condition of the tires on the road wheels and the air pressure in the tires Check the correct tightening of the wheels Check the technical condition of the drawbar eye and its attachment Check the technical condition of the flexible hydraulic hoses Check technical...

Page 8: ...n carried out and the technical condition of the trailer does not raise any objections connect the machine to the tractor Start the tractor check individual systems and carry out a test run of the machine and perform a test drive without load without a loading box It is recommended that visual inspection be carried out by two people one of them should be perma nently in the tractor s cab The test ...

Page 9: ... the removal of fault If the fault cannot be rectified or rem edied you will void the warranty contact the place of purchase for clarification or repair After completing the test drive check the tightness of the wheel nuts U 12 3 EN DANGER Careless and improper use and operation of the machine as well as non compliance with the recom mendations contained in the operating instructions pose a threat...

Page 10: ...Introduction 8 PRONAR T672ECO ...

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Page 13: ...ES FOR OPERATING HYDRAULIC AND PNEUMATIC SYSTEMS________ 2 5 2 4 RULES OF SAFE TECHNICAL SERVICE_______________________________________ 2 6 2 5 RULES OF SAFE DRIVING ON ROADS________________________________________ 2 9 2 6 LOADING AND UNLOADING OF THE TRAILER_________________________________ 2 12 2 7 TIRES___________________________________________________________________ 2 14 2 8 DESCRIPTION OF R...

Page 14: ...______________________ 5 12 5 10 CHECKING BRAKE LINING WEAR___________________________________________ 5 13 5 11 CHECKING THE CLEARANCE OF THE AXLE BEARINGS________________________ 5 14 5 12 CHECKING OF MECHANICAL BRAKES_______________________________________ 5 15 5 13 CLEANING THE DRAINAGE VALVE__________________________________________ 5 16 5 14 CHECKING OF PARKING BRAKE CABLE TENSION___________...

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Page 17: ...GENERAL CHAPTER 1 ...

Page 18: ... the individual fields on the nameplate is shown in the table below Record the trailer s serial number in the top field E 3 3 619 01 1 EN Table 1 1 Nameplate markings Item Meaning A General information and function B Trailer symbol type C Year of machine production D VIN Number E Certificate approval number F The machine s karb weight G Permissible gross weight H Permissible load on coupling I Per...

Page 19: ...the trailer it is rec ommended to enter the individual serial numbers in the fields below E 3 4 622 02 1 EN 17 210 Narew POLSKA PRONAR Sp z o o ID1 ECE ID3 ID4 ID2 TUV25 TUV40 UTAC25 UTAC40 A1D 25 40 60 3013P BLH07213B BLH07313B 2019 PA90X3013P09A667xxxxx 11800 11000 10000 1290012000 11000 1060010000 9000 7848 120252 19 TAC 622 E 02 1 1 3 2 Figure 1 2 Axis identification 1 driving axle 2 nameplate...

Page 20: ...In the countries where the trailer is used restrictions related to the road traffic laws in force in a given country must be observed The trailer speed must not however be greater than the maximum design speed 40 km h Intended use also includes all activities re lated to the correct and safe operation and maintenance of the machine Therefore the user is obliged to Read the content of trailer s USE...

Page 21: ...icular Transport of people animals dan gerous materials aggressive loads as a result of chemical reactions to trailer structural elements causing corrosion of steel damaging paint coverings dissolving plastic ele ments destroying rubber elements etc transport improperly secured cargo that could cause road and environ mental pollution while driving transport of incorrectly secured cargo which could...

Page 22: ...m system pressure Pneumatic 2 wire bar kPa 8 800 Hydraulic bar MPa 150 15 Hydraulic tipping system Hydraulic oil L HL 32 Lotos 1 Maximum system pressure bar MPa 160 16 Oil demand l 13 Electrical system Electrical system voltage V 12 Connection socket 7 poles in accordance with ISO 1724 Tractor hitch required Type of hitch Upper transport hitch Other requirements Min tractor power kW KM 47 8 65 1 a...

Page 23: ...tem pressure Pneumatic 2 wire bar kPa 8 800 Hydraulic bar MPa 150 15 Hydraulic tipping system Hydraulic oil L HL 32 Lotos 1 Maximum system pressure bar MPa 160 16 Oil demand l 13 Electrical system Electrical system voltage V 12 Connection socket 7 poles in accordance with ISO 1724 Trailer drawbar The drawbar eye diameter mm 40 1 a different oil may be used provided it can be mixed with oil in the ...

Page 24: ...rs Spare wheel hanger Feeder assembly Document tube Wall hanger Shock absorbing belts L 1800 Rear chute system Chute Balcony Bort extraction mechanism Rear manual hitch Rear automatic hitch Warning triangle Plate for slow moving vehicles Tarpaulin frame Hydraulic tipping system Mesh extensions 8mm Mesh extensions 30mm Fi 40 Y drawbar Set of attachable tops 500 P front wall with a window ...

Page 25: ...ystem axles drawbar braking system 1 Some standard equipment items that are listed in the table may not be included in the trailer supplied This is due to the possibility of ordering a new machine with a different set optional equipment replacing the standard equipment Tire information is provided at the end of the publication in APPENDIX A ...

Page 26: ...aintenance use contrary to its purpose use of a damaged machine repairs carried out by unauthorized persons improper repairs execution of user changes in ma chine design the user loses the warranty The user is obliged to immediately report all noticed defects in the paint coatings or traces of corrosion and order removal of defects regardless of whether the damage is covered by the warranty or not...

Page 27: ...perating reloading equipment must have the required permis sions to use these devices The machine must be correctly connected to the tractor in accordance with the requirements DANGER Incorrect use of securing measures can cause an accident DANGER During road transport the trailer must be mounted on the platform of the vehicle in accordance with safety requirements and regulations While driving th...

Page 28: ... weight of the trailer the construction of the car carrying the trailer the speed of travel and other conditions Therefore it is not possible to specify the fastening plan in detail In order to optimally attach the trailer to the loading platform support the drawbar by placing a support in the form of a wooden block under it A properly attached trailer will not change its position relative to the ...

Page 29: ... trailer User Manual and follow its recommendations Independent transport involves towing a trailer with own agricultural tractor to its destination While driving adjust the speed to the prevailing road conditions but it must not be greater than the maximum design speed E 3 4 619 07 1 EN ...

Page 30: ...rbons and then transferred to an oil waste disposal point The container should be kept away from heat sources flammable materials and food Oil which has been used up or is unsuitable for further use due to the loss of its prop erties is recommended to be stored in its original packaging in the same conditions as described previously Waste code 13 01 10 hydraulic oil Detailed information on oil can...

Page 31: ...ved from the hy draulic system In the event of parts being replaced worn or damaged parts should be sent to a recy cling centre Used oil as well as rubber or plastic elements should be taken to plants dealing with the utilization of this type of waste E 3 4 622 09 1 EN DANGER During dismantling use appropriate tools and equip ment overhead cranes elevators lifts etc and use personal protective equ...

Page 32: ...SAFETY OF USE CHAPTER 2 ...

Page 33: ...behalf of the manufacturer or contact the manufacturer directly Access to the trailer is possible only with the machine absolutely still Stop the agricultural tractor remove the ignition key of the tractor secure the trailer and tractor against rolling by placing wedges Immobilize the trailer and tractor with parking brake Use the appropriate height and strength of the platform or ladder to climb ...

Page 34: ...t using the appropriate height of platforms ladders or ramps The condition of these devices must protect working people against falling This work should be performed by at least two people In the final phase of rolling up the tar paulin it is essential to hold one hand on the top of the front frame or other solid structural elements of the trailer Failure to do so may result in a fall F 3 2 259 01...

Page 35: ... sure that both machines are technically sound When coupling of the trailer use the appropriate tractor hitch After coupling the machines check the the hitch safety device The trailer s linkage height should be optimally adapted to the height of the hitch If necessary read the tractor s manual If the tractor is equipped with an au tomatic hitch make sure that the cou pling operation is completed H...

Page 36: ...ce the residual pressure of the system In the event of injuries being caused by pressurized hydraulic oil contact a doctor immediately Hydraulic oil can penetrate the skin and cause in fection If the oil gets into the eyes rinse with plenty of water and if irri tation occurs contact a doctor In the event of contact of oil with skin wash the area of contact with water and soap Do not use organic so...

Page 37: ...cured with parking brake and wedges should be placed under trailer wheels Secure the tractor cab against unauthorized access Regularly check the technical con dition of safety devices and correct tightening of screw connections in particular the drawbar eye and wheels Inspect the trailer according to the frequency specified in this manual Before starting repair work on hy draulic or pneumatic syst...

Page 38: ... flammable material before welding Before starting work it is recommended to prepare a CO2 or foam extinguisher In the event of work requiring the trailer to be raised use properly cer tified hydraulic or mechanical lifts for this purpose After lifting the machine stable and durable supports must also be used It is forbidden to work under a trailer raised only with a lift It is forbidden to suppor...

Page 39: ... load box turn it over to the side and secure it against falling down using the load box support The load box cannot be loaded The trailer must be connected to the tractor and secured with wedges and blocked with the parking brake F 3 3 259 04 1 EN ...

Page 40: ...er drawbar eye affects the steering of the agricultural tractor Before using the trailer always check its technical condition especially in terms of safety In particular check the technical condition of the hitch system the running gear the braking system and traffic lights as well as the connecting elements of the hydraulic pneumatic and electrical systems Before driving check that the parking br...

Page 41: ...d must not hinder driving The load must be secured so that it cannot slide or tip over The trailer s maximum carrying ca pacity must not be exceeded Ex ceeding the carrying capacity may lead to damage to the machine loss of stability and cause a hazard while driving The braking system of the machine has been adapted to the total weight of the trailer exceeding of which will drastically reduce the ...

Page 42: ...ety of use elements insufficient visibility of the trailer body track uncontrolled move ments of the body on uneven terrain risk of overloading Trailers with central extensions fitted may not be used in public traffic F 3 3 259 05 1 EN ...

Page 43: ...verload on the trailer s chassis Incorrectly selected load distri bution and overloading the machine may cause the trailer to overturn or damage its components Do not stay on the load box during loading Unloading and loading the trailer can only be carried out when the machine is placed on level hard and level surface and connected to the tractor Tractor and trailer must be placed for straight ahe...

Page 44: ...y freeze during transport At the time of tipping the load box the frozen load may lead to the loss of stability of the trailer and cause its overturning Do not raise the load box if there is any danger of the load box tipping over It is forbidden to lift the load box with the sides closed It is forbidden to jerk the trailer forward if the bulk or difficult to pour load has not been unloaded After ...

Page 45: ... every 30 hours of driving Each time repeat all opera tions if the wheel was disassembled Wheel nuts bearings should be tightened in accordance with the recommendations contained in the chapters MAINTENANCE Wheel assembly and disassembly PE RIODIC INSPECTIONS Checking screw connections Avoid damaged road surfaces sudden and variable maneuvers and high speeds when turning Check tire pressure regula...

Page 46: ...or other intoxicants introducing design changes without the consent of the Manufacturer trailer cleaning maintenance and technical inspection presence of persons or animals in areas invisible from the operator s position Residual risk can be reduced to a minimum by following these recommendations prudent and leisurely machine operation sensible application of the remarks and recommendations contai...

Page 47: ...their destruction they must be replaced Information and warning stickers can be purchased directly from the Manufacturer or in the place where the machine was purchased The catalog numbers of the labels can be found in the table 2 1 and in the Spare parts catalog New assemblies replaced during repair must be marked again with the appropriate safety signs When cleaning the trailer do not must use s...

Page 48: ... 70N 00000004 3 Before starting any servicing or repair work switch off the trac tor engine and remove the igni tion key Secure the tractor cab against unauthorized access 70N 00000005 4 Before starting any servicing or repair work switch off the tractor engine and remove the ignition key 29N 0000030 5 Caution Danger of electric shock When unloading the trailer keep a safe distance from overhead p...

Page 49: ...connections 104N 00000006 8 Regularly carry out trailer lubri cation activities according to the schedule 104N 00000004 9 A sticker marking the hose sup plying the hydraulic brake sys tem 187N 00000033 10 Hydraulic supply hose for the tip system 29N 0000029 12 Position of the valve controlling the operation of the hydraulic tipping system 1 or 2 trailers 14 550 kPa Tire pressure 1 37N 0000007 15 M...

Page 50: ...Chapter 2 2 19 PRONAR T672ECO Safety of use 619 F 03 1 5 6 550 kPa 14 2 3 4 7 8 1 11 13 Ładowność 5500 kg Figure 2 3 Arrangement of information and warning stickers ...

Page 51: ...Chapter 2 Safety of use 2 20 PRONAR T672ECO ...

Page 52: ...CONSTRUCTION AND PRINCIPLE OF OPERATION CHAPTER 3 ...

Page 53: ...2 9 7 Loading surface lift mm 1 128 Tipping angle of the load box backwards sideways deg 50 46 Weight and load capacity The trailer s karb weight kg 2 280 1 Permissible gross weight kg 8 000 Allowed package kg 5 720 1 Other information Min tractor power kW KM 34 4 46 8 Electrical system voltage V 12 Permissible design speed km h 40 Noise level dB below 70 Tipping cylinder oil demand L 13 Nominal p...

Page 54: ...Chapter 3 3 3 PRONAR T672ECO Construction and principle of operation 3 2 GENERAL CONSTRUCTION DIMENSIONS Figure 3 1 Overall dimensions of the trailer 619 E 02 1 1700 6636 2171 500 ...

Page 55: ...ism 10 was welded to the left longitudinal member In the central part there are sockets 2 for mounting the hydraulic tipping cylinder The load box support 14 serves to protect the load box against falling during maintenance work In the Figure 3 2 Trailer chassis 1 bottom frame 2 tipping cylinder housing 3 rear beam 4 driving axle 5 turntable frame 6 drawbar 7 spring catch 8 lighting beam 9 front b...

Page 56: ...g axles 4 and parabolic springs 11 fas tened to the turntable frame 5 at the front and to the lower frame 1 at the rear by means of spring pins 12 The axles are attached to the springs with a spring plate and U bolts They were made of a square bar terminated with pins on which road wheel hubs are mounted on the tapered roller bearings These are single wheels equipped with calliper brakes actuated ...

Page 57: ...mounted in the sockets of the rear beam and the front lower frame The selected direction of tipping is realized by placing the tipping pins in properly pro filed socket holes whose construction prevents their incorrect placement by the Figure 3 3 Load box 1 upper frame 2 side wall 3 set of extensions 4 front wall 5 rear wall 6 folding frame 7 lever for closing the side walls 8 rear wall post 9 rea...

Page 58: ...er frame In case of the rear wall locking and opening is carried out using the lever 5 see figure 3 4 on the right side of the load box The extensions are attached like the walls of the load box The upper extension pins are fastened with front extension and rear post locks 9 The extensions are con nected to the walls with hinges 10 The entrance ladders 11 and 12 are attached to the wall and front ...

Page 59: ... 6 The balcony 12 serves as a platform for the tarpaulin operator In order to allow more precise unloading of loose materials a slide 1 has been placed in the rear wall figure 3 4 which is lifted by means of a lever 3 The gate valve in the upper position and during the passage must be secured by tightening the locking screw 4 The rear chute 2 can be installed as additional equipment on the trailer...

Page 60: ... the tractor the control valve automatically ap plies the machine s brake The trailer is braked automatically braked by pressing the button 3 fully The valve used has a brake release system used when the trailer is disconnected from the tractor After connecting the air line to the tractor the release device automatically adjusts to the position enabling normal op eration of the brakes The three ba...

Page 61: ... protecting them against dirt and dust entering the system They are made of coloured plastic black connector supply and control air of a 1 wire system red connector supply air of a 2 wire system yellow connector control air of a 2 wire system The connectors are made in ac cordance with the recommendations of DIN ISO 1728 which makes it impossible to mistakenly connect the connectors to agricultura...

Page 62: ... and principle of operation 1 2 1 2 2 1 2 1 4 2 4 1 2 2 1 2 4 2 1 259 G 06 1 Figure 3 8 Diagram of the ALB 2 wire pneumatic braking system 1 2 1 2 2 1 2 1 4 2 4 1 2 2 1 2 4 2 1 259 G 05 1 Figure 3 7 Diagram of a 2 wire pneumatic braking system ...

Page 63: ...tion plug Pneumatic connection socket Drainage valve 1 4 Main control valve 1 2 4 Relay valve 1 2 Automatic braking force regulator Manual braking force regulator Wire connection Air tank Pneumatic brake cylinders Hydraulic brake cylinders Control valve connector 1 2 Air filter Table 3 2 List of symbols used in the diagrams ...

Page 64: ...e tractor A three way valve is used to turn on these circuits Fig 3 9 The lever on this valve can occupy 2 positions 1 trailer tipping open circuit circuit A 2 second trailer tipping circuit open circuit B A sticker 8 has been placed on the con necting pipe in the vicinity of the plug 4 which identifies the hydraulic feed pipe of the tipping system The hydraulic system has a shut off valve 3 contr...

Page 65: ... 619 05 1 EN 1 2 A B 9 2 1 3 6 7 5 8 4 259 G 11 1 Figure 3 10 Construction and diagram of the hydraulic tipping system 1 telescopic cylinder 2 three way valve 3 shut off valve 4 quick coupling plug 5 quick coupler socket 6 control cable 7 guide roller 8 9 information stickers ...

Page 66: ...he steel cable 2 is guided through the wheels 3 connects the crank mechanism through the arms 5 to the expander levers of the rear axle 6 figure 3 11 Tensioning the cables turning the crank mechanism clockwise causes swinging of the expander levers which by opening the brake shoes immobilize the trailer G 3 3 619 06 1 EN 619 G 12 1 1 2 6 3 3 5 5 Figure 3 11 Parking brake 1 crank mechanism 2 steel ...

Page 67: ...ng system in the standard version of the trailer are shown in figure 3 13 CAUTION The machine lamps work only when the trailer is connected to the agricultural tractor and the position lights are on Marking Function wire colour 1 L Left indicator yellow 2 54G Not used 3 31 Weight white 4 R Right indicator green 5 58R Rear right position light brown 6 54 STOP light red 7 58L Rear left position ligh...

Page 68: ...G 15 1 1 2 2 3 1 3 6 6 5 5 7 8 4 Figure 3 13 Construction of electrical installation 1 7pin socket 2 front position lamp 3 side position lamp 4 7pin 7pin connection cable 5 license plate lamp 6 clearance lamp 7 rear left multifunctional lamp 8 rear right multifunctional lamp ...

Page 69: ...ction and principle of operation 3 18 PRONAR T672ECO PL PP ON2 OK2 WG WT 1 2 3 4 ZP 1 2 1 2 1 2 3 4 ZL OTL OTP 1 2 3 4 5 6 7 8 1 2 1 2 1 2 GP GT TOP 1 2 TOL 1 2 619 E 01 1 Figure 3 14 Electrical system schematic diagram ...

Page 70: ... ZP Multifunctional rear right lamp ZL Multifunctional rear left lamp OT Board lighting lamp OTP OTL Board lighting lamp TOL Clearance rear left lamp TOP Clearance rear right lamp OBP Clearance right lamp OBL Clearance left lamp Table 3 4 List of electrical components markings Symbol Colour B White C Black K Red N Blue P Orange T Green O Brown Z Yellow C T Black green Table 3 5 Colour coding of wi...

Page 71: ...RULES OF USE CHAPTER 4 ...

Page 72: ...set height of the drawbar In many solutions of the upper transport hitch of agricultural tractors it is possible to adjust its height to the hitch of machines It is recommended that the trailer s drawbar be set as level as possible or with a slight upward pull H 3 3 259 01 1 EN ADVICE It is recommended that the trailer s drawbar be set as level as possible or with a slight upward pull 259 H 01 1 1...

Page 73: ...be carried out by a qual ified person in accordance with the recommendations of the tractor manufacturer PREPARATION Ensure that the trailer is immobilized CAUTION After connecting the trailer perform a daily inspec tion of the machine before driving The external examination of the machine without connecting it to the tractor will not allow verification of its technical condition Detailed informat...

Page 74: ... the keys from the ignition Secure tractor with parking brake Close the tractor cabin and secure it against unauthorized access CONNECTING OF THE BRAKING SYSTEM Depending on the trailer configu ration connect the braking system connectors to the appropriate tractor sockets Connect the 2 wire pneumatic system lines The first is to connect the yellow plug to the yellow socket on the tractor and then...

Page 75: ...OF THE HYDRAULIC SYSTEM Depending on the configuration of the trailer connect the hydraulic system connections 3 figure 4 3 to the appropriate tractor sockets The cables used to connect individual systems have been marked with labels CONNECTING THE LIGHTING ELEC TRICAL INSTALLATION Connect the main cable 2 figure 4 3 supplying the lighting electrical installation 7 pin ADDITIONAL INFORMATION After...

Page 76: ...e turned off DANGER The use of defective trailers is forbidden CAUTION If the trailer is parked for a long time it may turn out that the air pressure in the pneumatic braking sys tem is insufficient to release the brake shoes In this case after starting the tractor and the air compres sor wait until the air in the pneumatic tank is topped up CAUTION When disconnecting the pneumatic conduits of a 2...

Page 77: ...coupling the second trailer use the help of another person who will inform the tractor operator about the course of the operation SECOND TRAILER REQUIREMENTS Before connecting the second trailer check whether the oil in the hydraulic systems of both trailers can be mixed together Position the tractor with the first trailer attached straight ahead of the second trailer s drawbar Immobilize the seco...

Page 78: ...s Disconnect the braking hydraulic and electrical lines according to the instructions in section 4 3 Unlock the coupling bolt on the first trailer Remove the bolt and drive the tractor away H 3 4 619 03 1 EN DANGER When connecting disconnecting nobody may be between the trailers Take special care The person who helps aggregate the machine should stand in a place outside the hazardous area and be v...

Page 79: ...ions before loading make sure that they are in place and the cable release mechanism is set in the correct position and secured with a pin If the load does not exert pressure on the walls and side extensions it is allowed to remove the fastening cables Lack of a fastening rope may damage the load box Table 4 1 Approximate volumetric weights of selected loads Material Weight kg m3 Root Crops raw po...

Page 80: ...ood timber 500 600 impregnated timber 600 800 steel structures 700 7 000 ground quicklime 700 800 slag 650 750 gravel 1 600 1 800 Plant litter and roughage dry meadow hay on the swath 10 18 hay wilted on the swath 15 25 hay in a collecting trailer dry wilted 50 80 hay wilted cut 60 70 dry pressed hay 120 150 wilted pressed hay 200 290 dry stored hay 50 90 cut stored hay 90 150 clover alfalfa wilte...

Page 81: ... cereal mass cut on a volume trailer 35 75 cereal mass cut on a collecting trailer 60 100 forage 28 35 forage cut on a volume trailer 150 400 forage on a collecting trailer 120 270 fresh beet leaves 140 160 fresh cut beet leaves 350 400 beet leaves on a harvesting trailer 180 250 Concentrated feed and compound feed stored chaff 200 225 oil cake 880 1 000 dried mince 170 185 compound feed 450 650 m...

Page 82: ...ed or steel surfaces may cause Material Weight kg m3 molasses 1 350 1 450 silage underground silo 650 1 050 silage tower silo 550 750 Seeds broad bean 750 850 mustard 600 700 pea 650 750 lentil 750 860 bean 780 870 barley 600 750 Shamrock 700 800 grass 360 500 maize 700 850 wheat 720 830 rape 600 750 flax 640 750 lupine 700 800 oat 400 530 Lucerne 760 800 rye 640 760 Other dry soil 1 300 1 400 wet...

Page 83: ...nected with a connecting cable Secure the cable DANGER If it is necessary to transport permitted hazardous materials please read the regulations for the trans port of hazardous materials in force in your country and the ADR agreement in detail Familiarize yourself with the contents of the manu facturer s information leaflets adhere to the trans port and handling instructions Make sure that addi ti...

Page 84: ...ion of the load box may cause dents on the floor or walls and abrasion of the paint coating For this reason it is necessary to cover the floor and possibly the walls and add a thick plywood hard vortex plate thick boards or other materials with similar properties The user acting contrary to the above recommendations may void the warranty Loading piece or lump mate rials must be from a low height T...

Page 85: ...lls or extensions of the load box If the trailer is equipped with mesh extensions the height of the load layer may not be higher than 600 mm i e it may not exceed the upper edge of the walls A higher layer of load may shift while driving and cause significant damage to the mesh extensions and the scattering of the load Materials that can cause steel corrosion chemical damage or react in a differen...

Page 86: ...eeded The travel speed should be adjusted to the prevailing road conditions trailer load condition type of load carried and other conditions The trailer may be towed on slopes of up to 8 unloading should only be carried out on level ground The trailer disconnected from the tractor must be secured by immobi lizing it with the parking brake and placing chocks or other elements without sharp edges un...

Page 87: ... trailer with load and especially with volumetric load adversely affects driving safety Driving near the edges of ditches or canals is dangerous due to the risk of landslides under the wheels of a trailer or tractor The travel speed should be reduced sufficiently in advance of driving to curves when driving on uneven or sloping terrain When driving avoid sharp turns es pecially on slopes It should...

Page 88: ...a way that they cannot be moved diagonally across the load box which would cause damage to the trailer open appropriate wall closures and or extensions or open the chute slide in the rear wall depending on the intended direction and method of unloading Use caution when opening as the load can put a lot of pressure on the walls When opening wall closures do not stand in the area of the wall to be o...

Page 89: ...divider lever in the driver s cab cause the load box to tilt after unloading lower the load box clean the edges of the floor and walls close and secure walls extensions and a chute window before moving off make sure that the tipping pins are secured in their seats H 3 3 259 07 1 EN ...

Page 90: ...guration De tailed information on all options can be found in the Equipment chapter CAUTION In the event of tipping backwards insert and secure the bolts in the rear sockets of the crate II III In case of tipping to the right side insert and secure the pins in the right crate seats III IV while in the case of tipping to the left side insert the pins in the left crates II I The tipping pin inserted...

Page 91: ... lever for closing the left wall 2 lever for closing the right wall 3 lever for closing the rear wall 4 lower hinges for the side wall 5 upper hinges for the side wall 6 lower hinges for the rear wall 7 upper hinges of the rear wall 8 lock of the wall and side extension 9 lock of the wall and rear extension 10 lever for locking the cable connecting the bottom walls and extensions ...

Page 92: ...e machine is placed on level hard and level sur face and connected to the tractor Tractor and trailer must be placed for straight ahead driving Use only original tipping pins The use of non original pins may damage the trailer Tipping pins must be properly locked The length of the cable controlling the valve limiting the angle of inclination of the load box is set by the Manufacturer and it is for...

Page 93: ...ke sure the bottom wall bolts are properly closed and locked Open the upper locks 6 and remove the safety pins from the lugs securing the upper extension to the side wall Open the side wall Take special care OPENING OF THE SIDE WALLS UP Make sure that the upper locks 6 and the corresponding eyes for fas tening the walls and extensions are closed and secured Remove the cotter pin 4 remove the washe...

Page 94: ...ten the seat belts 4 and stretch the tarpaulin using the tensioner Incorrect stretching of the tar paulin causes water to accu mulate on its surface etc As a consequence the tarpaulin may be deformed and fail to fulfil its purpose TARPAULIN FOLDING Loosen the belt tensioners and remove the belts 4 fastening the tarpaulin Loosen the belt tensioners and remove the belts 4 fastening the tarpaulin Rol...

Page 95: ...Chapter 4 4 25 PRONAR T672ECO Rules of use H 3 3 259 10 1 EN 7 6 259 H 11 1 1 2 3 5 4 4 Figure 4 11 Extraction mechanism 1 spring 2 eye 3 washer 4 cotter pin 5 lower closing lever 6 upper closing lever ...

Page 96: ...er the wheels The wheel can be dismantled only when the trailer is not loaded Repair work on wheels or tires should 259 H 12 2 v 1 v 2 9 8 2 3 4 4 6 6 1 6 6 7 5 10 11 Figure 4 12 Tarpaulin service 1 frame ridge pipe 2 tarpaulin 3 cable expander 4 tarpaulin belt 5 roller beam crank 6 tarpaulin stop 7 cable hook 8 belt hook 9 tensioner 10 belt tensioner 11 balcony ...

Page 97: ...ase in tire temperature can in crease the pressure by up to 1 bar With such a rise in temperature and pressure reduce the load or speed Never reduce pressure by venting if it increases due to temperature Valves must be secured with appro priate caps to avoid soiling Do not exceed the maximum trailer speed During the whole day cycle take a minimum of one hour break at noon Observe 30 minutes breaks...

Page 98: ...control valve braking force regulator brake cylinders hydraulic cylinders pneumatic electric and hydraulic plugs lights electrical connectors information and warning stickers rating plate cable connectors points lubricating trailers etc High pressure water jet may cause mechanical damage to these components For cleaning and maintenance of plastic surfaces it is recommended to use clean water or sp...

Page 99: ...esignated places Washing and drying the trailer must take place at temperatures above 0 o C In winter frozen water can cause damage to the paint coat or ma chine components After washing wait for the trailer to dry and then grease all control points as recommended Wipe off excess grease or oil with a dry cloth H 3 3 259 13 1 EN DANGER Refer to the instructions for using cleaning deter gents and pr...

Page 100: ...the last treatment Rims and tires should be carefully washed and dried During longer storage of the unused trailer it is recommended to move the machine once every 2 3 weeks so that the place of contact of the tire with the ground is in a different position The tires will not deform and will maintain proper geometry You should also check your tire pressure from time to time and if necessary inflat...

Page 101: ...PERIODIC INSPECTIONS OF THE TRAILER CHAPTER 5 ...

Page 102: ...e operator not de scribed in this manual the user loses the warranty The trailer s warranty inspection is only carried out by authorized service centres After the warranty expires it is recom mended that inspections be carried out by specialized repair workshops I 3 4 622 01 1 EN DANGER It is forbidden to use a damaged trial The trailer may only be towed when the braking sys tem the drawbar and th...

Page 103: ...odically every 3 months Each time before carrying out this inspection carry out a daily inspection and inspection every one month of use of the trailer D Maintenance Operator Inspection carried out periodically every 6 months Each time before carrying out this inspection per form a daily inspection inspection every 1 month of the trailer use and inspection every 3 months E Maintenance Operator Ins...

Page 104: ... 11 Measurement of air pressure check tires and wheels 5 12 Cleaning the air filters 5 13 Checking brake lining wear 5 14 Checking the clearance of the axle bearings 5 15 Checking of mechanical brakes 5 16 Cleaning the drainage valve 5 17 Checking of parking brake cable tension 5 18 Hydraulic system inspection 5 20 Control of pneumatic system 5 21 Screw connections inspection See chapter Screw con...

Page 105: ...raking system Piston rod stroke in pneumatic systems 25 45 mm Piston rod stroke in hydraulic systems 25 45 mm Minimum brake lining thickness 5 mm Angle between the trailer axis and the fork 90O With the brake de pressed Parking brake Permitted parking brake cable clearance 20 mm Table 5 3 Control parameters and settings ...

Page 106: ... the wheel on the opposite side Place the jack in places marked with an arrow The jack must rest on a firm and stable surface The jack must be suited to the trailer weight In exceptional cases release the trailer parking brake e g when measuring the play of the axle shaft bearings Take special care I 3 3 259 03 1 EN DANGER Secure the tractor cab against unauthorized access When working with the ja...

Page 107: ...to the required pressure The required air pressure is de scribed on a sticker 1 on the rim I 3 3 259 04 1 EN CAUTION Using the trailer in which tires are not properly inflat ed may lead to permanent damage to the tire as a result of delamination of the material Incorrect tire pressure also causes faster tire wear ADVICE The tire pressure value is on the information sticker on the wheel rim 1 624 I...

Page 108: ...d air in the tank will remove water outside After releasing the stem the valve should close automatically and stop the outflow of air from the tank If the valve stem does not want to return to its position wait until the tank empties Then unscrew and clean or replace the valve with a new one I 3 4 622 05 1 EN 259 I 02 1 1 2 Figure 5 3 Air tank 1 drain valve 2 air tank ...

Page 109: ... and accelerate the aging process If the trailer is disconnected from the tractor connections should be protected with covers or placed in their designated sockets Before the winter period it is recommended to preserve the seal with preparations intended for this purpose e g silicone lubricants for rubber elements Each time before connecting the machine check the technical condition and degree of ...

Page 110: ... ventilation openings are not clogged with dirt and that there is no water or ice inside Check the correct mounting of the actuator Clean the actuator if necessary In winter it may be necessary to defrost the actuator and remove accumulated water through un clogged ventilation holes If any damage is found replace the actuator When mounting the actuator keep its original po sition relative to the b...

Page 111: ...damage to the tire Check that the tire is correctly posi tioned on the rim Check tire age When checking pressure pay attention to the technical condition of rims and tires In the event of mechanical damage consult your nearest tire service centre and ensure that your tire defect is eligible for replacement Rims should be checked for deformation material cracks weld cracks corrosion especially arou...

Page 112: ...pneumatic connection as far as it will go Slide out the filter lock 1 Hold the filter cover 2 with your other hand After removing the slide the cover will be pushed out by the spring located in the filter housing After removing the slide the cover will be pushed out by the spring lo cated in the filter housing Installation should be in reverse order I 3 4 622 10 1 EN 1 2 526 I 08 1 Figure 5 7 Air ...

Page 113: ...fferent place than the figure shows but it will always be located on the brake shield Remove the upper and lower plugs and then check the thickness of the lining The brake shoes should be replaced if the thickness of the brake lining is less than 5 mm Check the remaining linings for wear I 3 4 622 11 1 EN Gmin 5mm 2 526 I 09 1 1 Figure 5 8 Checking the brake lining thickness 1 blanking plug 2 brak...

Page 114: ...just the bearings Unnatural sounds coming from the bearing may be symptoms of excessive wear dirt or damage In this case the bearing together with the sealing rings should be re placed or cleaned and re greased When checking bearings make sure that any noticeable looseness comes from the bearings not the suspension system e g looseness on the spring pins etc Check the technical condition of the hu...

Page 115: ... pedal released Measure the distance Y with the tractor brake pedal pressed Calculate the distance difference X Y rod stroke Check the angle between the cylinder piston axis and the expander lever If the expander arm angle 2 and piston rod stroke exceed the range given in table 5 3 the brake should be adjusted I 3 4 622 13 1 EN ADVICE Checking the technical condition of the brakes according to the...

Page 116: ... in the air reservoir 2 The pressure in the tank can be reduced by swinging the drain valve stem Unscrew the valve 1 Clean the valve blow with com pressed air Replace the copper gasket Screw in the valve fill the tank with air check the tank for leaks I 3 3 259 14 1 EN 259 I 04 1 2 1 Figure 5 11 Air tank 1 drain valve 2 tank ...

Page 117: ...osening the parking brake cable clamps after adjusting the axle brake after repairs to the axle brake system after repairs to the parking brake system Before adjusting the cable make sure that the axle brake is properly adjusted and functions properly To adjust Unscrew the screw of the brake mechanism 2 maximally by turning the crank in the direction A counter clockwise Loosen the nuts 5 of the bo...

Page 118: ...to chapter Replacing the parking brake cable In the trailer version with overrun brake the parking brake adjustment is not nec essary if the service overrun brake works correctly I 3 3 619 15 1 EN DANGER It is forbidden to use the trailer with a defective park ing brake installation If the trailer is damaged it be discontinued until it is repaired ...

Page 119: ...sen the cable 2 if the rear axle brakes are braking ahead of the front axle Tightennut 4 checkbrakeoperation If the problem persists repeat all steps Service brake control and or adjustment every 12 months in case of emergency Brake repairs brake lining replacements etc may only be performed at authorized service centres Unauthorized repairs and modifications by the user will void the war ranty Th...

Page 120: ...f necessary tighten the con nectors if moisture is visible After completing the inspection put all cylinders to the rest position If visible moisture appears on the cable connectors tighten the connector with a specified torque and carry out the test again If the problem persists replace the leaking element In the event of oiling on the hydraulic cyl inder body the nature of the leakage must be ch...

Page 121: ...tem check with the tractor brake pedal depressed The help of another person is required In the event of a leak the compressed air will leak out in places of damage with a characteristic hiss The system leak can also be detected by coating the checked elements with washing liquid or other foaming agent which will not aggressively affect the elements of the installation Damaged elements should be re...

Page 122: ... are shown in the Table 5 4 The given values apply to non lubri cated steel bolts The hydraulic hoses should be tightened with a torque of 50 70Nm Check the tightness using a torque wrench During daily inspection of the trailer pay attention to loose connections and tighten the connector if necessary Replace lost items with new ones Metric thread Tightening torque 8 8 10 9 M8 25 36 M10 49 72 M12 8...

Page 123: ...iple Wheel nuts must not be tightened with impact wrenches due to the danger of ex ceeding the permissible tightening torque which may result in breaking the con nection thread or breaking the hub pin The wheels should be tightened according to the following scheme after first use of the trailer one time inspection every 2 3 hours of driving during the first month of use every 30 hours of driving ...

Page 124: ...alized service points equipped with the appropriate tools Dismantle the entire hub remove the bearings and individual sealing rings After thorough cleaning and inspection install lubricated components If necessary bearings and seals be replaced Empty containers of grease or oil be disposed of in accordance with the lubricant manufacturer s instructions I 3 3 259 19 1 EN ADVICE Lubrication frequenc...

Page 125: ...f points Type of grease Frequency 1 Hub bearings 2 in each hub 8 A 24M 1 1 2 Camshaft sleeves 8 A 3M 2 3 259 I 07 1 3 Expander arm 4 A 3M 4 Spring leaves 4 C 3M 4 5 259 I 08 1 7 6 5 Spring surfaces 4 B 1M 6 Spring pin 4 B 1M 7 Drawbar bolt 2 B 1M Table 5 6 Trailer lubrication schedule ...

Page 126: ...e Number of points Type of grease Frequency 8 Drawbar eye 1 B 14D 259 I 09 1 8 9 Parking brake mechanism 1 A 6M 259 I 10 1 9 10 Parking brake guide roll pin 3 A 3M 624 I 21 1 11 Turntable bearings 2 A 24M 259 I 11 1 11 12 Seat of the tipping cylinder ball 1 B 3M 259 I 12 1 12 ...

Page 127: ...ber of points Type of grease Frequency 13 Joints and sockets of the load ing body rear 2 B 2M 259 I 13 1 13 14 Joints and sockets of the load ing body front 2 B 2M 259 I 14 1 14 15 Loading box saddle sockets 2 B 2M 259 I 15 1 15 15 16 Side walls locking mechanism 2 A 6M 259 I 16 1 ...

Page 128: ...R T672ECO Item Name Number of points Type of grease Frequency 17 Rear wall locking mechanism 1 A 6M 259 I 17 1 18 Chute guides 2 D 1M 259 I 18 1 19 18 19 Chute tie pins 6 D 1M 20 Upper wall hinge 12 D 1M 259 I 19 1 21 Bolts and wall locks 12 A 1M 259 I 20 1 ...

Page 129: ... PRONAR T672ECO Periodic inspections of the trailer Item Name Number of points Type of grease Frequency 22 Tipping cylinder seats and cyl inder sling 4 B 1M 259 I 21 1 23 Rear hitch mechanism option 1 A 1M 259 I 22 1 ...

Page 130: ...5 20 REPLACEMENT OF HYDRAULIC HOSES Rubber hydraulic and pneumatic rubber hoses should be replaced every 4 years regardless of their technical condition unless damage has been found before This operation should be entrusted to spe cialized workshops I 3 3 259 20 1 EN ...

Page 131: ...TECHNICAL SUPPORT CHAPTER 6 ...

Page 132: ...nd Raise the trailer to such a height that the wheel being changed does not rest on the ground Remove the wheel WHEEL MOUNTING Use a wire brush to clean the axle pins and nuts from dirt If necessary degrease the thread Do not lubricate the threads of the nut and stud Check the condition of the pins and nuts replace if necessary Mount the wheel on the hub tighten the nuts so that the rim fits snugl...

Page 133: ... tension Thimbles and three clamps must be fitted at the ends of the rope Pay attention to the correct po sitioning of the terminals cable tension see figure Install pins and new securing pins Adjust of parking brake cable tension After the first brake loading check the tension and condition of the cable ends adjust if necessary J 3 3 619 02 1 EN CAUTION Clamp jaws must be placed on the load carry...

Page 134: ...h a black arrow in the drawing The wheel should rotate without ex cessive resistance The wheel should rotate without excessive resistance Too much pressure is not recommended due to deterioration of bearing operating conditions Secure the castellated nut with a cotter pin and mount the hub cover 1 Gently tap the hub with a rubber or wooden hammer J 3 4 622 04 1 EN Adjustment of bearing looseness m...

Page 135: ...brake simultaneously The braking force also decreases when the angle of operation of the brake cyl inder piston rod 5 is not correct figure 6 5 6 6 in relation to the expander arm 1 To obtain the optimum mechanical angle of operation of the piston rod fork 6 must be mounted on the expander arm 1 so that when fully braked the angle of ADVICE The correct stroke of the piston rod should be in the ran...

Page 136: ...d by the Manufacturer and cannot be changed An improperly adjusted brake can cause the rubs to rub against the drum which can result in faster wear of the brake linings and or overheating of the brake CAUTION The mounting positions of the brake cylinder in the bracket holes and the cylinder pin in the expander arm are determined by the Manufacturer and cannot be changed Whenever removing the pin o...

Page 137: ...ion of maximum extension of the piston rod Measure the distance between the lines A and B If the piston rod stroke is not within the correct working range 25 45mm adjust the expander arm Remove the actuator fork pin 6 Remember or mark the original po sition of the cylinder fork 6 in the 25 45 mm 9 0 o B A C D A 7 4 5 1 2 3 6 589 J 04 1 Figure 6 6 Pneumatic brake adjustment 1 cylinder piston 2 cyli...

Page 138: ...4 so that the marked hole of the expander arm coincides with the hole of the cylinder fork During adjustment the dia phragm 2 must rest on the rear wall of the cylinder figure 6 7 pneumatic cylinder Install the piston rod fork pin and washers and secure the pin with The diaphragm actuator should not be opened The membrane is pasted and may lose its seal CAUTION 25 45 mm 9 0 o B A C D 3 5 1 6 7 2 4...

Page 139: ...s Apply the brake Wipe previous markings and measure piston rod stroke again If the piston rod stroke is not within the correct operating range repeat the adjustment FUNCTIONAL CHECK After completing the adjustment carry out a test drive Perform several brakes Stop the trailer and check the temperature of the brake drums If any drum is too hot correct the brake adjustment and perform the test driv...

Page 140: ...on the trailer If necessary clean all dirt and dust Check the completeness technical condition and correct functioning of the trailer lighting Check the wiring harness for damage rubbed insulation wire break etc Check the completeness of lamps and all reflectors In the event of a burn the bulb must be replaced immediately The trailer bulbs are presented in table 6 1 All lamp shades of lighting lam...

Page 141: ...ing installation of the PT612 trailer Name Unit Bulb Number of lamps Number of bulbs Multifunctional rear right lamp W21L R10W P21W 1 1 3 Multifunctional rear left lamp W21P R10W P21W 1 1 3 License plate lighting lamp LT 120 C5W SV8 5 2 1 Front plate lamp LO 110PP C5W SV8 5 1 1 Clearance lamp J K 1 6 R5W 2 2 ...

Page 142: ...r if necessary this operation should be entrusted to specialist service centres The oil used due to its composition is not classified as a dangerous substance however long term effects on the skin or eyes may cause irritation In the event of contact of oil with skin wash the place of contact with water and soap Do not use organic solvents gasoline kerosene Soiled clothing should be removed to prev...

Page 143: ...cants should have similar properties Before using lubricants Z read the infor mation leaflet for the selected product Particularly important are safety rules and how to handle a given lubricant and how to dispose of waste used containers contaminated rags etc The information leaflet product card should be kept to gether with the grease J 3 4 622 09 1 PL ADVICE Lubrication frequency TableSpreader l...

Page 144: ...k valve repair or replace Low pressure in the pneumatic system Fill the system with the correct pressure Noise in the hub of the axle Excessive bearing looseness Check the clearance and adjust if necessary Damaged bearings Replace bearings Damaged hub components Replace Low braking efficiency System pressure too low Check the pressure on the pres sure gauge on the tractor wait for the compressor t...

Page 145: ...k the cylinder for leaks piston rod seal repair or replace the cylinder if necessary Actuator load too high Check and reduce the cylinder load if necessary Damaged hydraulic lines Check and make sure that the hy draulic hoses are tight not kinked and properly tightened Replace or tighten as necessary Contaminated hydraulic oil Check oil cleanliness replace fil ters change oil clean the tank Incorr...

Page 146: ...uspension Replace the springs Tread wear Damaged suspension system broken spring Damaged braking system brake blocking incorrectly adjusted braking system Too frequent and sudden braking Check the slack in the suspension system check the springs Re place damaged or worn parts Check the braking system for mal functions Adjust the trailer levers Lateral fracture Long lasting ride on tires with low a...

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Page 149: ... Rim Pressure 1 11 5 80 R15 3 14PR 139A8 9 00x15 3 400 kPa 640 kPa 1 2 355 65 R16 14PR 145A8 11 00x16 ET 20 3 400 60 R15 5 145A8 13 00x15 5 ET 15 4 355 60 R18 142J 11 00x18 ET 20 1 depending on the tire manufacturer APPENDIX A A 1 PRONAR T672ECO ...

Page 150: ...APPENDIX A A 2 PRONAR T672ECO ...

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