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PRONAR T669, Operator'S Manual

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PRONAR T669 Operator'S Manual Download Page 72

Pronar T669 

SECTION 4 

4.8 

  Disconnect all hydraulic support and tipping system conduits from tractor. 

  Disconnect electric lead. 

  Disconnect pneumatic system conduits (applies to double conduit systems): 

  Disconnect pneumatic conduit marked red. 

  Disconnect pneumatic conduit marked yellow. 

  Disconnect pneumatic system conduits (applies to single conduit systems): 

  Disconnect pneumatic conduit marked black. 

  Disconnect  hydraulic  brake  system  conduit  (applies  to  trailer  version  with 

hydraulic brake).

 

  Protect  terminal  ends  with  covers,  Place  conduit  terminals  in  appropriate 

sockets. 

  Unlock tractor hitch and disconnect trailer drawbar from tractor hitch and drive 

tractor away. 

 

DANGER 

 

Exercise  caution  when  disconnecting  trailer  from  the  tractor.  Ensure  good  visibility. 
Unless it is necessary, do not go between tractor and trailer. 

Before disconnecting conduits and drawbar eye, close tractor cab and secure it against 
access by unauthorised persons. Turn off tractor ignition. 

 

4.3

 

COUPLING AND UNCOUPLING SECOND TRAILER 

A second trailer may only be connected, if it is a machine built on a dual axle chassis and if it 

fulfils  all  the  requirements  specified  in  section  1.  Coupling  a  second  trailer  to  the  assembly 

requires  experience  in  driving  an  agricultural  tractor  with  a  trailer.  It  is  recommended  while 

coupling the second trailer to use the help of another person to guide the tractor driver. 

DANGER 

 

When hitching, there must be nobody between the trailers. Person assisting hitching up 
machines should stand outside the area of danger and be visible to the tractor driver at all 
times. 

Summary of Contents for T669

Page 1: ...tel 48 085 681 63 29 48 085 681 64 29 48 085 681 63 81 48 085 681 63 82 fax 48 085 681 63 83 48 085 682 71 10 www pronar pl OPERATOR S MANUAL AGRICULTURAL TRAILER PRONAR T669 TRANSLATION OF THE ORIGINAL COPY OF THE MANUAL ISSUE 5B 09 2010 PUBLICATION NO 58N 00000000 UM ...

Page 2: ......

Page 3: ...on Before using the machine the user must carefully read this Operator s Manual and observe all recommendations This guarantees safe operation and ensures malfunction free work of the machine The machine is designed to meet obligatory standards documents and legal regulations currently in force The manual describes the basic safety rules and operation of agricultural trailer Pronar T669 If the inf...

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

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

Page 6: ......

Page 7: ...DENT TRANSPORT BY THE USER 1 12 1 6 ENVIRONMENTAL HAZARDS 1 12 1 7 WITHDRAWAL FROM USE 1 13 2 SAFETY ADVICE 2 1 2 1 BASIC SAFETY RULES 2 2 2 1 1 USE OF TRAILER 2 2 2 1 2 HITCHING AND DISCONNECTING FROM TRACTOR 2 3 2 1 3 COUPLING AND UNCOUPLING SECOND TRAILER 2 3 2 1 4 HYDRAULIC AND PNEUMATIC SYSTEMS 2 4 2 1 5 LOADING AND UNLOADING 2 5 2 1 6 TRANSPORTING THE MACHINE 2 6 2 1 7 TYRES 2 9 2 1 8 MAINTE...

Page 8: ...STEM 3 18 4 CORRECT USE 4 1 4 1 PREPARING FOR WORK BEFORE FIRST USE 4 2 4 1 1 CHECKING THE TRAILER AFTER DELIVERY 4 2 4 1 2 PREPARE A TRAILER FOR FIRST HITCHING TO TRACTOR 4 3 4 2 HITCHING AND DISCONNECTING FROM TRACTOR 4 4 4 3 COUPLING AND UNCOUPLING SECOND TRAILER 4 8 4 4 LOADING AND SECURING LOAD 4 11 4 4 1 GENERAL INFORMATION CONCERNING LOAD 4 11 4 5 TRANSPORTING LOADS 4 18 4 6 UNLOADING 4 20 ...

Page 9: ... 3 1 PRELIMINARY INFORMATION 5 16 5 3 2 INSPECTING AND CHECKING AIR TIGHTNESS OF PNEUMATIC SYSTEM 5 16 5 3 3 CLEANING THE AIR FILTERS 5 18 5 3 4 DRAINING WATER FROM AIR TANK 5 19 5 3 5 CLEANING DRAIN VALVE 5 20 5 3 6 CLEANING AND MAINTAINING PNEUMATIC CONDUIT CONNECTIONS AND PNEUMATIC SOCKETS 5 21 5 3 7 REPLACEMENT OF THE PNEUMATIC CONDUIT 5 21 5 4 HYDRAULIC SYSTEM OPERATION 5 23 5 4 1 PRELIMINARY...

Page 10: ... 5 8 CLEANING TRAILER 5 33 5 9 STORAGE 5 35 5 10 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5 35 5 11 INSTALLATION AND DISASSEMBLY OF EXTENSION WALLS 5 37 5 12 INSTALLATION AND DISASSEMBLY OF THE FRAME AND TARPAULIN COVER 5 39 5 13 ADJUSTMENT OF DRAWBAR POSITION 5 41 5 14 TROUBLESHOOTING 5 42 ...

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

Page 12: ... located on a gold painted rectangle The serial number and data plate are located on the front beam of the trailer lower chassis frame longitudinal member 1 1 When buying the trailer check that the serial numbers on the machine agree with the number written in the WARRANTY BOOK in the sales documents and in the OPERATOR S MANUAL The meanings of the individual fields found on the data plate are pre...

Page 13: ...acture D Seventeen digit vehicle identification number VIN E Official certificate number F Tare weight G Maximum gross weight H Carrying capacity I Permissible hitching system loading J Permissible front axle load K Permissible rear axle load 1 1 2 AXLE IDENTIFICATION FIG 1 2 Location of the axle data plate 1 wheel axle 2 data plate ...

Page 14: ...public roads It is acceptable to transport construction materials mineral fertilisers and other loads if fulfilling conditions indicated in section 4 Non compliance with the recommendations of the carriage and loading of goods described by the Manufacturer and the road transport regulations in force in the country in which the trailer is used shall void the guarantee and is regarded as use of the ...

Page 15: ...ad which during travel may change position in load box transport loads whose centre of gravity may destabilise the 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 In connection with this the user is obliged to carefully...

Page 16: ...ctor s requirements CONTENTS UNIT REQUIREMENTS Brake system sockets Pneumatic system 1 conduit Pneumatic system 2 conduit Hydraulic system Maximum system pressure Pneumatic system 1 conduit Pneumatic system 2 conduit Hydraulic system bar kPa bar kPa bar MPa according to ISO 1728 according to ISO 1728 according to ISO 7421 1 5 8 580 8 800 150 15 Hydraulic tipper system Hydraulic oil Maximum system ...

Page 17: ...Pa bar kPa bar MPa connector compliant with ISO 1728 connector compliant with ISO 1728 connector compliant with ISO 7421 1 5 8 580 8 800 150 15 Hydraulic tipper system Hydraulic oil Maximum system pressure bar MPa L HL 32 Lotos 1 200 20 Electrical system Electrical system voltage Attachment socket V 12 7 polar compliant with ISO 1724 Draw bar of trailer Diameter of drawbar shaft mm 40 1 use of oth...

Page 18: ...ame with tarpaulin cover Fenced platform Automatic hitch Rear hitch Complete set of wall extensions 580 Hand brake Wheel chocks Drawbar with rotating drawbar eye 50 mm Chute Slow moving vehicle warning sign Warning reflective triangle 1 4 WARRANTY TERMS 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 OPERA...

Page 19: ...r s fault caused by road accidents by inappropriate use adjustment or maintenance use of the trailer for purposes other than those for which it is intended use of damaged machine repairs carried out by unauthorised persons improperly carried out repairs making unauthorised alterations to machine design the user will lose the right to warranty service TIP Demand that the seller carefully and precis...

Page 20: ... tractor according to the requirements closed in this Operators Manual The trailer brake system must be started in checked before driving off or onto ramp The trailer should be attached firmly to the platform of the vehicle using straps or chains fitted with a tightening mechanism Securing elements should be hitched to the transport lugs designated for that purpose 1 Figure 1 3 or other permanent ...

Page 21: ...king during transport IMPORTANT When being road transported on a motor vehicle the trailer must be mounted on the vehicle s platform in accordance with the transport safety requirements and the regulations Driver of the vehicle should be particularly careful during travel This is due to the vehicle s centre of gravity shifting upwards when loaded with the machine Use only certified and technically...

Page 22: ...e solubility of hydraulic oil in water does not cause extreme toxicity of organisms living in the aquatic environment The formation of a film of oil on the water may be the direct cause of physical action on organism perhaps causing change of oxygen values in the water because of lack of direct contact of air with the water An oil leak into water reservoirs may however lead to a reduction of the o...

Page 23: ...with L HL32 Lotos hydraulic oil IMPORTANT Waste oil should only be taken to the appropriate facility dealing with the re use of this type of waste Do NOT throw or pour oil into sewerage or water tanks 1 7 WITHDRAWAL FROM USE In the event of decision by the user to withdraw the trailer from use comply with the regulations in force in the given country concerning withdrawal from use and recycling of...

Page 24: ...parts are changed 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 ...

Page 25: ...SECTION 2 SAFETY ADVICE ...

Page 26: ...r this reason the fundamental basis for using this trailer should be the application of safety rules and sensible behaviour The machine must never be used by persons who are not authorised to drive agricultural tractors including children and people under the influence of alcohol or other drugs Non compliance with the safety rules of this Operator s Manual can be dangerous to the health and life o...

Page 27: ...ch the trailer to a tractor use exclusively the tractor hitch for single axle trailers After completing the coupling of the machine 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 Be especially careful when hitching the machine When hitching there must be nobody betwe...

Page 28: ... limits the tipping angle of the load box when tipped to the rear The length of the control cable controlling this valve is factory adjusted by the Manufacturer and must not be changed when the trailer is used In the event of malfunction of the hydraulic or pneumatic system do not use the trailer until the malfunction is corrected When connecting the hydraulic conduits to the tractor make sure tha...

Page 29: ...cted to tractor Tractor and trailer must be placed to drive forwards Loading and unloading work should be carried out by someone experienced in this type of work The load must be arranged in such a way that it does not threaten the stability of the trailer and does not hinder driving Do NOT drive with the load box raised Ensure that during unloading loading or raising the load box nobody is near t...

Page 30: ...loading Lower the load box before proceeding to deal with a malfunction If it is necessary to raise the load box then secure it against dropping with the aid of load box support The load box may not be loaded and the trailer must be connected to a tractor and secured with the aid of chocks and also immobilised with the parking brake After completing unloading ensure that the load box is empty 2 1 ...

Page 31: ...terms of safety In particular check the technical condition of the hitch system the axle system the brake system indicator lights and the connective elements of the hydraulic pneumatic and electrical systems FIG 2 1 Method of placing chocks 1 wheel chock 2 axle wheel Before driving off check that the parking brake is released the braking force regulator is positioned in the proper position applies...

Page 32: ...atic system During frosts freezing water may cause damage to pneumatic system components Reckless driving and excessive speed may cause accidents A load protruding beyond the edge of the trailer should be indicated according to the road traffic regulations Do NOT transport loads forbidden by the Manufacturer FIG 2 2 Mounting place for slow moving vehicle sign 1 warning sign 2 attachment point ...

Page 33: ...e danger zone and be visible all the time to the tractor driver Do NOT attempt to board trailer while travelling Do NOT park trailer on slope 2 1 7 TYRES When working with tyres the trailer should be immobilised with parking brake and secured against rolling by placing chocks under wheel Wheels can be taken off the trailer axle only when the trailer is not loaded Repair work on the wheels or tyres...

Page 34: ...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 secured using parking brake and in addition chocks should be placed beneath trailer wheel Ensure that unauthorised persons do not have access to the tractor cab Regularly check the condition of nut and bolt connections in parti...

Page 35: ...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 welding work pay attention to flammable or fusible elements parts of the pneumatic electric and hydraulic systems plastic parts If there is a risk that ...

Page 36: ...ording to the specifications defined by the Manufacturer The trailer may only be towed when axles and wheels lighting system and brakes are reliable 2 2 DESCRIPTION OF MINIMAL RISK Pronar Sp z o o in Narew has made every effort to eliminate the risk of accidents There is however a certain minimal risk which could lead to an accident and this is connected mainly with the actions described below usi...

Page 37: ...nce from forbidden or dangerous places a ban on being on the machine during travel loading or unloading 2 3 INFORMATION AND WARNING DECALS The trailer is labelled with the information and warning decals mentioned in table 2 1 The symbols are positioned as presented in figure 2 3 Throughout the time it is in use the user of the machine is obliged to take care that notices and warning and informatio...

Page 38: ...perator s Manual 3 Before beginning servicing or repairs switch off tractor s engine and remove key from ignition Ensure that unauthorised persons do not have access to the tractor cab 4 Grease the trailer according to the recommendations in the Operator s Manual 5 Regularly check if the nuts and bolts fixing the wheels and other components are properly tightened ...

Page 39: ...ailgate Plug cap black Hydraulic support Plug cap blue Rear axle lock Plug cap green 7 Danger of crushing Do NOT perform any maintenance or repairs on the load box that is loaded raised or not supported 8 Transport decal Anchorages for the transport 9 Danger of crushing Maintain a safe distance during opening and closing the tailgate ...

Page 40: ...pping system 1 or 2 trailers 13 Conduit supplying hydraulic brake system 14 Conduit supplying hydraulic tipping system 15 Shear type drawbar support hydraulic system supply conduit lowering 16 Shear type drawbar support hydraulic system supply conduit raising 1 pressure value should be adapted to tyres Numbers in the item column correspond to labels in figure 2 3 Decal 12 is placed near the hydrau...

Page 41: ...SECTION 2 Pronar T669 2 17 FIG 2 3 Locations of information and warning decals ...

Page 42: ...Pronar T669 SECTION 2 2 18 ...

Page 43: ...SECTION 3 DESIGN AND OPERATION ...

Page 44: ...2 200 2 250 1 200 580 Weight and carrying capacity Tare weight Maximum gross weight Maximum carrying capacity kg kg kg 5 680 20 000 14 320 Other information Axle track Maximum drawbar load Cargo capacity Load surface Lift of load surface Load box tipping angle to the rear Electrical system voltage Hydraulic oil demand Tractor power demand Maximum design speed Noise emission level mm kg m3 m2 mm V ...

Page 45: ...mper 5 Trailer suspension consists of two wheel axles 4 in a tandem arrangement suspended on taper leaf springs 7 connected by rocker arm 8 Axles are secured to suspension springs using absorber plates and U bolts Axles are made from square bars terminated with a pin where wheel hubs are mounted on cone bearings The wheels are single equipped with brake shoes activated through mechanical expander ...

Page 46: ...1 lower frame 2 drawbar 3 shear type support 4 axle 5 rear fender 6 rear hitch 7 leaf spring shock absorber 8 shock absorber rocker arm 9 support 10 wheel chocks 11 tipping ram cylinder mounting socket 12 lights support beam 13 mudguard 14 tension rod ...

Page 47: ...SECTION 3 Pronar T669 3 5 3 2 2 LOAD BOX FIG 3 2 Load box 1 load box 2 wall extensions 580 mm 3 wing of the tailgate 4 fenced platform 5 lower ladder 6 wall extension ladder ...

Page 48: ...the rear beam These seats are the pivot point when the load box tilted backwards Load box is equipped with 580 mm wall extensions Access ladders 5 and 6 are secured to front wall and extension Folding steps are bolted on the inner side of the front wall to facilitate climbing into the load box Fenced platform 4 is available as an option and fenced platform In the rear part of the load box there is...

Page 49: ...t pneumatic brake system with automatic regulator figure 3 6 hydraulic brake system figure 3 7 The pneumatic or hydraulic brakes are activated from the tractor driver s cab by pressing on the brake pedal The function of the control valve 2 figures 3 4 3 5 and 3 6 is the operation of the trailer s brakes simultaneously when tractor s brakes are applied Furthermore in case of an inadvertent disconne...

Page 50: ...brake construction and system diagram 1 air tank 2 control valve 3 manual braking force regulator 4 pneumatic ram 5 conduit connectors 6 air filter 7 pneumatic ram control connectors 8 pneumatic ram piston control connector 9 drain valve 10 socket black option ...

Page 51: ...iagram 1 air tank 2 control valve 3 manual brake force regulator 4 pneumatic cylinder 5 conduit connector red 6 conduit connector yellow 7 air filter 8 air tank control connector 9 pneumatic cylinder control connector 10 drain valve 11 socket red option 12 socket yellow option 13 relay valve ...

Page 52: ...omatic regulator 1 air tank 2 control valve 3 automatic brake force regulator 4 pneumatic cylinder 5 conduit connector red 6 conduit connector yellow 7 air filter 8 air tank control connector 9 pneumatic cylinder control connector 10 drain valve 11 socket red option 12 socket yellow option 13 relay valve ...

Page 53: ...ion decal Three step brake force regulator 2 figure 3 8 adjusts braking force depending on setting Switching to a suitable working mode is done manually by machine operator using the lever 4 prior to moving off Three working positions are available A no load B half load and C full load For systems with automatic regulator braking force depends on trailer load ...

Page 54: ...m serves in automatic unloading of trailer by tipping the load box to the rear The hydraulic tipping system is supplied with oil from the tractor s hydraulic system Hydraulic oil manifold of the tractor s external hydraulic system is used to control the load box tipping mechanism The trailer system consists of two independent circuits circuit A to supply the trailer s hydraulic ram cylinder circui...

Page 55: ... way valve 3 cut off valve 4 quick coupler 5 socket 6 control cable 7 guide roller 8 9 information decal Three way valve 2 figure 3 9 is used to activate these circuits This valve s lever can be placed in two positions 1 trailer s tipping circuit opened circuit A 2 second trailer s tipping circuit opened circuit B ...

Page 56: ...o control the support to set drawbar at the correct height Support hydraulic system is fed by the tractor hydraulic system through the hydraulic conduits 1 and 2 Identification decals are placed on the support lowering conduits in the vicinity of connectors item15 Table 2 1 and support raising conduit item Table 2 1 Raising or lowering the support is done by extending or retracting the hydraulic c...

Page 57: ...ing hooks 4 The hydraulic system is supplied with oil from the tractor hydraulics Through hydraulic conduits 2 terminated with quick couplers pressurised oil is fed to hydraulic cylinders 1 which open or close the tailgate Tailgate is controlled from the cab through the hydraulic manifold valve lever on the tractor When raising the tailgate the locking hooks 4 unlock the tailgate then cylinders ra...

Page 58: ...lic cylinder 2 supply conduit 3 return conduit 4 locking hook 5 tailgate wing 3 2 7 TURNING INTERLOCK HYDRAULIC SYSTEM Turning interlock hydraulic system locks the rear steering axle option when reversing the trailer The hydraulic system is supplied with oil from the tractor hydraulics Through a ...

Page 59: ...tanding motionless System construction is shown in Figure 3 13 The brake crank mechanism 2 is welded on the left lower longitudinal frame on the front of the trailer Wheel axle expander arm levers 1 are connected to the lever 5 by means of cable II 4 through guide rollers 6 Lever 5 is connected to the brake crank mechanism 2 by means of steel cable I 3 Tensioning cable I 3 turning the crank mechan...

Page 60: ...echanism 3 steel cable I 4 steel cable II 5 lever 6 guide roller 3 2 9 LIGHTING SYSTEM The trailer electrical system is designed for supply from direct current source of 12 V Connection of the trailer electrical system with the tractor should be made through an appropriate connection lead ...

Page 61: ...nents and reflective lights 1 front position lamp 2 white front reflector 3 7 pin socket 4 side position lamp 5 triangular rear reflector 6 rear left lamp assembly 7 rear right lamp assembly 8 rear left clearance lamp 9 rear right clearance lamp 10 license plate light ...

Page 62: ...Pronar T669 SECTION 3 3 20 FIG 3 15 Electrical system schematic diagram the versions without the side lamps ...

Page 63: ...ording to table 3 2 3 3 and 3 4 TAB 3 2 List of electrical component markings SYMBOL NAME ZP Rear right lamp assembly ZL Rear left lamp assembly X7P Front seven pin socket GT Rear seven pin socket OTP Right license plate light OTL Left license plate light PP Front right parking light PL Front left parking light ...

Page 64: ...ance lamp TAB 3 3 Marking of connections of GT and X7P sockets MARKING FUNCTION 31 Weight Power supply 12V not used L Left indicator 54 STOP light 58L Rear left parking light 58R Rear right parking light R Right indicator TAB 3 4 Conduit colour marking MARKING COLOUR B White C Black K Red N Blue P Orange T Green C T Black and green R Pink ...

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

Page 66: ...ommendations understand the design and the principle of machine operation IMPORTANT Before proceeding to hitching to tractor the user must carefully read this Operator s Manual and additional publications attached to machine and observe all recommendations External inspection Check completeness of machine standard and optional equipment Check condition of protective paint coat Inspect trailer s in...

Page 67: ...bove checks have been performed and there is no doubt as to the trailer s good technical condition it can be connected to tractor Start the tractor check all systems and conduct test run of trailer without load no load in load box It is recommended that the inspection is conducted by two people one of which should always remain in the tractor cab Test start should be conducted according to the seq...

Page 68: ...mproper use and operation of the trailer and non compliance with the recommendations given in this operator s manual is dangerous to your health The trailer must never be used by persons who are not authorised to drive agricultural tractors including children and people under the influence of alcohol or other drugs Non compliance with the safety rules of this Operator s Manual can be dangerous to ...

Page 69: ...e drawbar support 2 hydraulic cylinder 3 support raising hydraulic conduit Using the support set the drawbar eye at such a height so it is possible to hitch the machines Operate the manifold on the tractor to raise or lower the drawbar eye until the correct height is achieved Reverse tractor hitch trailer check coupling lock protecting machine against accidental unhitching If the agricultural trac...

Page 70: ...its applies to single conduit systems Connect pneumatic conduit marked black with black socket in tractor Connect hydraulic brake system applies to trailer version with hydraulic brake Hydraulic brake system conduit is marked with information decal 13 table 2 1 Connect hydraulic tipping system conduit Hydraulic brake system conduit is marked with information decal 14 table 2 1 Connect main conduit...

Page 71: ...d may be mixed When hitching is completed secure the electrical leads and hydraulic and braking system conduits in such a way that they do not become entangled in tractor s moving parts and are not at the risk of breaking or severed when making turns Ensure compatibility of oils in tractor hydraulic system and in the trailer hydraulic system Disconnecting the trailer In order to disconnect the tra...

Page 72: ...n when disconnecting trailer from the tractor Ensure good visibility Unless it is necessary do not go between tractor and trailer Before disconnecting conduits and drawbar eye close tractor cab and secure it against access by unauthorised persons Turn off tractor ignition 4 3 COUPLING AND UNCOUPLING SECOND TRAILER A second trailer may only be connected if it is a machine built on a dual axle chass...

Page 73: ...drawbar of the second trailer in such a manner to enable coupling the machines Reversing tractor drive the rear hitch of the first trailer onto the drawbar of the second trailer If the trailer is is equipped with an automatic rear hitch ensure that the hitching operation is completed and that drawbar eye of the second trailer is secured Insert drawbar pin and securing linchpin Connect conduits of ...

Page 74: ...itch pin lifting handle Disconnecting the second trailer Immobilise tractor and trailer with parking brake Turn off tractor ignition Ensure that unauthorised persons do not have access to the tractor cab Disconnect conduits of pneumatic hydraulic and electrical connections according to instructions contained in section 4 2 ...

Page 75: ... gate securing pin Regardless of the type of load carried the user is obliged to secure it in such a manner that the load is unable to spread and cause contamination of the road If this is impossible do NOT transport this type of load Materials which in contact with painted or steel surfaces may cause damage should be transported in sealed packaging sacks boxes barrels etc and after completing tra...

Page 76: ...00 820 850 950 130 150 560 720 500 700 Organic fertilisers old manure mature manure fresh manure compost dry peat 700 800 800 900 700 750 950 1 100 500 600 Mineral fertilisers ammonium sulphate potash salt super phosphate basic slag phosphate potassium sulphate milled lime fertiliser 800 850 1 100 1 200 850 1 440 2 000 2 300 1 200 1 300 1 250 1 300 Building materials cement dry sand wet sand solid...

Page 77: ...wath clover lucerne cut wilted on trailer clover lucerne wilted on gathering trailer dry stored clover cut dry stored clover dry straw in round bales damp straw in round bales cut damp straw in bulk trailer cut dry straw in bulk trailer cut dry straw in gathering trailer cut dry straw in stack baled straw lightly crushed baled straw heavily crushed cereal mass in round bales cut cereal mass in bul...

Page 78: ... milled dry feed mixed feeds mineral mixtures ground oats wet sugar beet pulp pressed sugar beet pulp dry sugar beet pulp bran bone meal pasture salt molasses silage pit silo hay silage tower silo 200 225 880 1 000 170 185 450 650 1 100 1 300 380 410 830 1 000 750 800 350 400 320 600 700 1 000 1 100 1 200 1 350 1 450 650 1 050 550 750 Seeds and grains beans mustard peas lentils runner beans barley...

Page 79: ...harvested crops and agricultural products volumetric or poured It is permissible to transport other loads timber building materials packed loads on the condition of securing the load box against damage abrasion of paint covering corrosion etc DANGER The load on the trailer must be secured against slipping and contaminating the road during travel If it is not possible to properly secure the load do...

Page 80: ...amage to paintwork Loads of pieces or solid lumps Loads of pieces or solid lumps are generally hard materials of significantly greater dimensions than bulk loads stones coal bricks and ballast These materials without prior preparation of the load box may cause indentation of the floor or sidewalls and abrasion of paintwork In order to protect it lay thick plywood hard particle board thick planks o...

Page 81: ...er If it is essential to lay several layers particular groups should be stacked alternately in block system The load must be laid tightly together and on the whole surface of the trailer floor Otherwise during travel the load will move With regard to the trailer construction adaptation of the load box to the transport of agricultural crops and products lack of load securing points materials in pac...

Page 82: ...ystanders The arrangement of the load may not cause an overload on the axle or hitch system of the trailer 4 5 TRANSPORTING LOADS When driving on public or private roads respect the road traffic regulations exercise caution and prudence Listed below are the key guidelines for driving the tractor and trailer combination Before moving off make sure that there are no bystanders especially children ne...

Page 83: ...cle in the group While driving on public roads the trailer must be fitted with a certified or authorised reflective warning triangle When driving comply with all road traffic regulations indicate an intention to turn using indicator lamps keep all road lights and indicator lights clean at all times and ensure they are in good condition Any damaged or lost lamps or indicator lights must be immediat...

Page 84: ... allowing tipping to the rear Tipping of the load box is controlled from driver s cab using external tractor hydraulic system manifold Unloading trailer is performed in the following sequence tractor and trailer must be placed to drive forwards on flat and hard ground immobilise tractor with parking brake open the trailer tailgate by means of hydraulic cylinders by operating a lever on the tractor...

Page 85: ...jerk the trailer forwards if load is bulky or reluctant to pour and does not unload Tipping may only be performed when trailer is hitched to tractor Do NOT move off or drive when load box is raised When closing the rear grain chute gate take particular care to avoid crushing fingers Rear load box wall is equipped with chute slide gate 1 figure 4 3 and chute opening 2 optional equipment which is us...

Page 86: ...reless operation of trailer may pose a danger to operators and bystanders can also cause damage to the machine 4 7 PROPER USE AND MAINTENANCE OF TYRES When working on the tyres chocks or other objects without sharp edges should be placed under the wheels of the trailer to prevent it from rolling Wheels can be taken off the trailer axle only when the trailer is not loaded Repair work on the wheels ...

Page 87: ...o checked after 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 temperatures return to normal Tyre valves should be protected with caps to avoid soiling Do not exceed the trailer s...

Page 88: ...Pronar T669 SECTION 4 4 24 ...

Page 89: ...SECTION 5 MAINTENANCE ...

Page 90: ...tions which are not regarded as possible for the trailer operator to perform the user shall invalidate the guarantee 5 2 SERVICING BRAKES AND AXLES 5 2 1 PRELIMINARY INFORMATION Work connected with the repair change or regeneration of axle and brakes elements should be entrusted to specialist establishments having the appropriate technology and qualifications for this type of work The responsibili...

Page 91: ...Main brake and parking brake should be engaged and released without great resistance and severity Check cylinder movement and correct return of piston to start position The help of a second person is required who shall engage trailer brake Check if axle elements are in place cotter pins in castellated nuts expansion rings etc Check hydraulic cylinders or pneumatic cylinders for tightness compare s...

Page 92: ... the inspection opening 2 see Figure 5 1 Check brake shoe linings for wear every 3 months if brakes overheat if brake cylinder piston stroke is significantly longer if there are unusual noises from the drum of wheel axle FIG 5 1 Check brake shoe linings for wear 1 wheel axle drum 2 brake shoe linings for wear inspection opening ...

Page 93: ...t be placed to drive forward Place the wheel chocks under the wheel opposite to the lifted wheel Ensure that trailer shall not move during inspection Raise wheel opposite to the side where chocks are placed The lifting jack should be placed under the axle between U bolts 2 figure 5 2 securing axle 1 to shock absorber leaf springs or as near as possible to leaf spring mounting Recommended fulcrum i...

Page 94: ...bearing together with sealing ring should be replaced with new parts or cleaned and greased again During inspection of bearings ensure that possibly detected looseness comes from the bearing and not from the suspension system e g looseness of leaf spring pins etc TIP Damaged hub cover or lack of hub cover causes penetration of contamination and dampness to hub which causes significantly faster wea...

Page 95: ...ing looseness of axles 5 2 5 ADJUSTMENT OF WHEEL AXLE BEARINGS LOOSENESS Preparation procedures Prepare tractor and trailer for adjustment procedures according with description provided in section 5 2 4 FIG 5 3 Adjustment of road wheel axle bearings 1 hub cover 2 castellated nut 3 securing split cotter pin Adjustment of road wheel axle bearings Take off hub cover 1 figure 5 3 Take out split cotter...

Page 96: ...riginating from abrasion of brake shoes in brake drum Adjustment of bearing looseness may only be conducted when the trailer is hitched to a tractor and the load box is empty TIP If the wheel is dismounted bearing looseness is easy to check and adjust 5 2 6 MOUNTING AND DISMOUNTING WHEEL INSPECTION OF WHEEL NUT TIGHTENING Dismounting wheel Immobilise trailer with parking brake Place the wheel choc...

Page 97: ...tening nuts Nuts should be tightened gradually diagonally in several stages until obtaining the required tightening torque using a torque spanner If a torque spanner is not available one may use an ordinary spanner The arm of the spanner L figure 5 4 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 o...

Page 98: ...tightening after first use after first travel with load after passing the first 1 000 km every six months use or every 25 000 km In the event of intensive work check the nut tightening at least every 100 km The above actions should be repeated individually if a wheel has been removed from the wheel axle 5 2 7 CHECK AIR PRESSURE EVALUATE TECHNICAL CONDITION OF WHEELS AND TYRES Tyre pressure should ...

Page 99: ...to distortion breaking of material breaking of welds corrosion especially in the area of welds and contact with tyre Technical condition and appropriate maintenance significantly extends the life of these components and ensures appropriate level of safety to trailer users Checking tyre pressure and steel rims every 1 month of use if needed 5 2 8 ADJUSTMENT OF MECHANICAL BRAKES During use of traile...

Page 100: ...nd in case of need should be adjusted FIG 5 5 Adjustment of axle mechanical brakes 1 expander arm 2 expander shaft 3 adjustment bolt 4 cylinder fork Adjustment should be conducted separately for each wheel After proper brake adjustment at full braking the axle shaft expander should create an angle of 90 with the pneumatic cylinder piston and the stroke should amount to approximately half the lengt...

Page 101: ...pneumatic system Hydraulic brake system 150 150 180 210 210 180 5 2 9 CHANGE OF PARKING BRAKE CABLE AND ADJUSTMENT OF CABLE TENSION Proper operation of the parking brake is dependent on the effectiveness of the front axle brake and the correct brake cable tension Replacing the parking brake cable Hitch trailer to tractor Park trailer and tractor on level surface Place securing chocks under one tra...

Page 102: ... between the clamps may not be less than 15 mm Clamp jaws must be placed at the load bearing cable see Figure 5 7 The first clamp should be placed directly on the thimble FIG 5 6 Adjustment of parking brake cable tension 1 brake crank mechanism 2 brake cable I 3 brake cable II 4 brake lever 5 U shaped clamp 6 shackle 7 clamping nuts ...

Page 103: ...Loosen nut 7 of cable clamps 5 of handbrake cable 2 Tighten cable and tighten clamps Length of parking brake cable 2 should be so selected that at total release of working and parking brake the cables would be loose and hanging by 1 2 cm compared to fully tensioned cables Adjustment of parking brake cable tension should be conducted in the event of stretching of cable loosening of parking brake ca...

Page 104: ...ons for this type of work The duties of the operator connected with the pneumatic system include inspecting and checking air tightness of system cleaning the air filter filters draining water from air tank cleaning drain valve cleaning and maintaining pneumatic conduit connections replacement of the pneumatic conduit DANGER Do NOT use the trailer when brake system is unreliable 5 3 2 INSPECTING AN...

Page 105: ...teristic hiss Lack of system tightness may be exposed by covering checked elements with washing fluid or other foaming preparations which will not react aggressively with system components Damaged components should be replaced or repaired If leaks appear at connections then tighten the connections If air continues to escape replace connection component or seal Check system tightness after passing ...

Page 106: ...IG 5 8 Air filter 1 securing slide lock 2 air filter cover DANGER Before proceeding to dismantle filter reduce pressure in supply conduit While disengaging filter slide gate hold cover with other hand Stand away from filter cover vertical direction Depending on trailer working conditions but not less than once in three months take out and clean air filter inserts which are located in pneumatic sys...

Page 107: ...gure 5 8 Hold the filter cover 2 with the other hand After removing slide lock the cover is pushed off by the spring in the filter housing The insert and the filter body should be carefully washed out and blown through with compressed air Assembly should be done in reverse order Cleaning the air filter filters every 3 months of use 5 3 4 DRAINING WATER FROM AIR TANK FIG 5 9 Draining water from air...

Page 108: ...ole drain valve must be unscrewed and cleaned or replaced if it is damaged see section 5 3 5 Draining water from air tank after each week of use 5 3 5 CLEANING DRAIN VALVE DANGER Before dismantling drain valve release air from tank Required service actions Reduce pressure in air tank Reduction of pressure in tank is achieved by tilting the drain valve mandrel Unscrew valve Clean valve purge with c...

Page 109: ...r designated sockets Before the winter period it is recommended to preserve the seal with special preparations e g silicon grease for rubber elements Each time before connection of the machine inspect technical condition and cleanness of contacts and sockets in tractor If necessary clean or repair tractor socket Inspect trailer connections connection should be inspected every time before connectin...

Page 110: ... 5 10 Installation of the pneumatic conduit 1 pneumatic conduit 2 connecting nut 3 clamping ring 4 reinforcing sleeve 5 4 HYDRAULIC SYSTEM OPERATION 5 4 1 PRELIMINARY INFORMATION Work connected with the repair change or regeneration of hydraulic system components suspension cylinders valves etc should be entrusted to specialist establishments having the appropriate technology and qualifications fo...

Page 111: ...rs and possibly hydraulic brake cylinders and turning interlock cylinders Conduct test tipping of load box backwards Open and close the tailgate several times Press tractor brake pedal several times Only if the trailer is equipped with hydraulic brake system Check tightness of hydraulic system inspect cylinders and hydraulic conduits In the event of confirmation of oil on hydraulic ram cylinder bo...

Page 112: ...es etc Inspection of hydraulic connections and sockets connection should be inspected every time before connecting trailer to tractor or second trailer 5 4 4 CHANGE OF HYDRAULIC CONDUITS Hydraulic conduits must be changed every 4 years regardless of their technical condition This should be entrusted to specialised workshops Change of hydraulic conduits every 4 years 5 5 OPERATION OF ELECTRICAL SYS...

Page 113: ...if the connection lead is reliable Check connection sockets in tractor and trailer Check completeness and technical condition of trailer lights Check completeness of all reflectors Check correct mounting of triangular slow moving vehicle sign Before driving on to public road check that the tractor is equipped with warning reflective triangle Checking technical condition of electrical system each t...

Page 114: ...ear left lamp assembly WE 549L R10W 1 unit P21W 2 units 1 Rear right lamp assembly WE 549P R10W 1 unit P21W 2 units 1 Licence plate illumination light LT 120 C5W 1 unit 2 Front parking light LO 110PP C5W 1 unit 2 Rear clearance lamp 127 021 00 00 R5W 1 unit 2 5 6 TRAILER LUBRICATION TAB 5 4 Trailer lubrication schedule ITEM LUBRICATION POINT NUMBER OF LUBRICATION POINTS TYPE OF GREASE FREQUENCY 1 ...

Page 115: ...7 Tipping ram cylinder ball bearing 1 B 3M 8 Parking brake mechanism 1 A 6M 9 Parking brake guide roller pins 1 1 A 6M 10 Leaf spring absorber sliding surface 4 B 1M 11 Absorber spring pins 4 A 3M 12 Drawbar pins 2 A 3M 13 Drawbar sliding surface 2 A 3M 14 Shear type drawbar support pin 2 B 3M 15 Shear type drawbar support cylinder bearing 2 B 3M 16 Tipping pins 2 B 3M 17 Rear hitch mechanism 1 A ...

Page 116: ...des 2 D 1M 23 Slide gate pull shaft pins 6 D 1M 24 Rocker arm pin 2 B 3M Lubrication periods M months D days 1 not shown in figure TAB 5 5 Recommended lubricants LISTED ON TAB 5 4 DESCRIPTION A permanent machine general purpose grease lithium alkaline B permanent grease for heavily loaded elements with addition of MOS2 or graphite C anticorrosion preparation in aerosol D ordinary machine oil silic...

Page 117: ...SECTION 5 Pronar T669 5 29 FIG 5 11 Trailer s lubrication points part 1 ...

Page 118: ...Pronar T669 SECTION 5 5 30 FIG 5 12 Trailer s lubrication points part 2 ...

Page 119: ... be wiped with dry cleaning cloth and then a small quantity of oil should be applied do surfaces with oil can or brush Wipe off excess oil Change of grease in hub bearings should be entrusted to specialised service points equipped with the appropriate tools According to the recommendations of the axle Manufacturer dismantle the entire hub remove the bearing and individual sealing rings After caref...

Page 120: ...oil is not necessary but if required this operation should be entrusted to a specialist service point TAB 5 6 L HL 32 Lotos hydraulic oil characteristics ITEM NAME UNIT VALUE 1 ISO 3448VG viscosity classification 32 2 Kinematic viscosity at 40 C mm2 s 28 8 35 2 3 ISO 6743 99 quality classification HL 4 DIN 51502 quality classification HL 5 Flash point C 230 The oil applied because of its compositi...

Page 121: ...of disposal waste containers contaminated rags etc are essential Information leaflet product sheet should be stored together with the grease 5 8 CLEANING TRAILER Trailer should be cleaned depending on requirements and before longer idle periods e g before winter period Before using pressure washer the user is obliged to acquaint himself with the operating principles and recommendations concerning ...

Page 122: ...ene or other degreasing agents and then washed with clean water with added detergent Comply with recommendations of the Manufacturer DANGER Carefully read the instructions for application of washing detergents and maintenance preparations While washing with detergents wear appropriate protective clothing and goggles protecting against splashing Washing detergent should be kept in original containe...

Page 123: ...nt of prolonged work stoppage it is essential to lubricate all elements regardless of the period of the last lubrication process Wheel rims and tyres should be carefully washed and dried During longer storage of unused trailer it is recommended that every 2 to 3 weeks the machine may be moved a bit so that the place of contact of tyres with ground is changed The tyres will not be deformed and main...

Page 124: ...ut and bolt connections 5 8 1 8 8 1 10 9 1 THREAD METRIC Md Nm M10 37 49 72 M12 64 85 125 M14 100 135 200 M16 160 210 310 M20 300 425 610 M24 530 730 1 050 M27 820 1 150 1 650 M30 1 050 1 450 2 100 1 resistance class according to DIN ISO 898 standard FIG 5 13 Bolt with metric thread 1 resistance class d thread diameter Hydraulic conduits should be tightened with torque of 50 70 Nm ...

Page 125: ... Install lateral stakes 5 Install two rear lateral wall extensions 4 Attach lateral wall extensions 3 and 4 to the lateral stakes 5 Install the rear stakes 6 Attach rear lateral wall extensions 4 to the stakes 6 Install tailgate extension 2 On both sides Install the rear profiles of wall extensions 7 and screw them to tailgate extension 2 Brace the structure by installing tension rod 10 on both si...

Page 126: ... set of wall extensions 1 front wall extension 2 tailgate extension 3 front lateral wall extension 4 rear lateral wall extension 5 lateral stake 6 rear stake left right 7 rear wall extension left right 8 wall extension bracket 9 tie beam 10 tension rod ...

Page 127: ... The assembly of wall extensions should be carried out with the use of appropriate platforms ladders ramps or other stable raised surfaces Particular care should be taken holding onto the trailer with one hand Work should be done with the help of another person The frame structure comprises front apex 1 centre apex 2 rear apex 3 as well as connecting pipe 4 figure 5 15 Assembly of frame and tarpau...

Page 128: ...ps 7 to holders 8 located on the left side of the trailer Tighten tarpaulin and secure with fastening straps 7 the front and rear part of the tarpaulin Disassembly of the frame and tarpaulin cover should be performed in reverse order FIG 5 15 Frame with tarpaulin cover 1 front apex 2 centre apex 3 rear apex 4 connecting pipe 5 limiter 6 tarpaulin cover 7 fastening strap ...

Page 129: ...med by at least two persons Exercise particular caution 5 13 ADJUSTMENT OF DRAWBAR POSITION Location of trailer drawbar depends on the type of farm tractor hitch If possible we recommend adjusting the tractor hitch so that the trailer drawbar is positioned horizontally while driving on a flat terrain To adjust drawbar position change the position of bolted drawbar eye 1 on the faceplate 2 Figure 5...

Page 130: ...izontally at the tractor hitch point 5 14 TROUBLESHOOTING TAB 5 8 Troubleshooting FAULT CAUSE REMEDY Brake system pneumatic conduits not connected Connect brake conduits applies to pneumatic systems Applied parking brake Release parking brake Damaged pneumatic system connection conduits Replace Leaking connections Tighten replace washers or seal set replace conduits Problem with moving off Damage ...

Page 131: ...Improper hydraulic oil viscosity Check oil quality make sure that the oil in both machines is of the same type If necessary change oil in tractor or in trailer Insufficient tractor hydraulic pump output tractor hydraulic pump is damaged Check tractor hydraulic pump Damaged or contaminated ram cylinder Check cylinder ram piston bending corrosion check ram cylinder for tightness piston seal in case ...

Page 132: ...Pronar T669 SECTION 5 5 44 ...

Page 133: ...NOTES ...

Page 134: ... ...

Page 135: ...5 165A8 4 Wheel 550 60 22 5 163A8 16PR 5 Wheel 560 60 R22 5 161D 5 Wheel 20 5 R22 5reg 50 x 20 0 R22 173A8 6 Wheel 600 50 22 5 165A8 7 Wheel 600 55 22 5 16PR 169A8 7 1 wheel disc 11 75x22 5 ET 30 2 wheel disc 13 00x22 5 ET 0 3 wheel disc 14 00x22 5 ET 0 4 wheel disc 16 00x22 5 ET 30 5 wheel disc 16 00x22 5 ET 0 6 wheel disc 16 00x22 5S ET 0 7 wheel disc 20 00x22 5 ET 20 ...

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