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PRONAR T669/1 Operator'S Manual Download Page 135

SECTION 5 

Pronar T669/1 

5.45 

FAULT 

CAUSE 

REMEDY 

Incorrect main or parking 
brake adjustment 

Regulate setting of expander arms 

Excessive heating of axle 
hubs 

Worn brake linings 

Change brake shoes 

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 of need repair or replace 
ram cylinder. 

Excessive cylinder ram 
loading 

Check mechanism controlled by 
ram cylinder for mechanical 
damage. 

Incorrect hydraulic 
system operation 

Damaged hydraulic 
conduits 

Check and ascertain that hydraulic 
lines are tight, not fractured and 
properly tightened. If necessary 
replace or tighten. 

 

Summary of Contents for T669/1

Page 1: ...el 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 1 TRANSLATION OF THE ORIGINAL COPY OF THE MANUAL ISSUE 3B 10 2010 PUBLICATION NO 67N 00000000 UM ...

Page 2: ......

Page 3: ...n 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 1 If the in...

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: ...ENDENT TRANSPORT BY THE USER 1 13 1 6 ENVIRONMENTAL HAZARDS 1 14 1 7 WITHDRAWAL FROM USE 1 15 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 7 2 1 7 TYRES 2 10 2 1 8 MAI...

Page 8: ...STEM 3 19 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 5 4 3 COUPLING AND UNCOUPLING SECOND TRAILER 4 9 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: ... 2 1 PRELIMINARY INFORMATION 5 16 5 2 2 INSPECTING AND CHECKING AIR TIGHTNESS OF PNEUMATIC SYSTEM 5 17 5 2 3 CLEANING THE AIR FILTERS 5 19 5 2 4 DRAINING WATER FROM AIR TANK 5 20 5 2 5 CLEAN DRAIN VALVE 5 21 5 2 6 CLEANING AND MAINTAINING PNEUMATIC LINE CONNECTIONS AND PNEUMATIC SOCKETS 5 22 5 2 7 REPLACEMENT OF THE PNEUMATIC LINE 5 22 5 4 HYDRAULIC SYSTEM OPERATION 5 23 5 2 1 PRELIMINARY INFORMAT...

Page 10: ... 5 8 CLEANING TRAILER 5 34 5 9 STORAGE 5 36 5 10 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5 37 5 11 INSTALLATION AND DISASSEMBLY OF EXTENSION WALLS 5 38 5 12 INSTALLATION AND DISASSEMBLY OF THE FRAME AND TARPAULIN COVER 5 41 5 13 ADJUSTMENT OF DRAWBAR POSITION 5 43 5 14 TROUBLESHOOTING 5 44 ...

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

Page 12: ...r 2 located on a gold painted rectangle The serial number and data plate are located on the front beam of the lower chassis frame longitudinal member figure 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 p...

Page 13: ...git 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 The factory number of the axle shaft and its type are stamped onto the data plate 2 secured to the axle shaft beam 1 figure 1 2 ...

Page 14: ...t of ordering a replacement part or in the case of the appearance of problems it is often essential to give the factory numbers of parts or the VIN number of the trailer therefore it is recommended that these numbers are inscribed in the spaces below VIN S Z B 6 6 9 1 X X X FRONT AXLE FACTORY NUMBER AND TYPE REAR AXLE FACTORY NUMBER AND TYPE ...

Page 15: ...ransport people animals hazardous materials chemically aggressive loads that will corrode the construction elements of the trailer causing corrosion of steel destruction of paint coat dissolving plastic elements and destruction of rubber elements etc transport incorrectly secured load which during travel may cause contamination of the road and natural environment transport incorrectly secured load...

Page 16: ...aintenance and adjustment plans comply with general safety regulations while working prevent accidents comply with the road traffic regulations and transport regulations in force in a given country in which the trailer is used carefully read the Operator s Manual and comply with its recommendations only hitch the trailer to an agricultural tractor which fulfils all the requirements made by the tra...

Page 17: ...tem Hydraulic oil Maximum system pressure Oil demand bar MPa l L HL 32 Lotos 1 200 20 29 Electrical system Electrical system voltage Connection socket V 12 7 polar compliant with ISO 1724 Required tractor hitch Type transport hitch Other requirements Minimum tractor power Minimum vertical load capacity of hitch kW Horsepower kg 76 4 104 2 000 1 use of other oil is permitted on condition that it ma...

Page 18: ...lic oil Maximum system pressure bar MPa L HL 32 Lotos 1 200 20 Electrical system Electrical system voltage Connection socket V 12 7 polar compliant with ISO 1724 Drawbar of trailer Diameter of drawbar shaft mm 40 1 use of other oil is permitted on condition that it may be mixed with the oil in the trailer Detailed information may be found on the product information card 1 3 EQUIPMENT Some standard...

Page 19: ...ic 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 TERMS CONDITIONS OF WARRANTY PRONAR Sp z o o Narew guarantees the reliable operation of the machine when it is used according to its intended purpose as described in the OPERATOR S MANUAL The repair period is ...

Page 20: ... 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 precisely fills...

Page 21: ...d with the tractor according to the requirements in this Operators Manual The trailer brake system must be started and 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 attached to the transport catches designed for this purpose 1 figure 1 3 permanent str...

Page 22: ...uring straps from breaking 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 cer...

Page 23: ...he user must read the trailer Operator s Manual and adhere to the recommendations contained therein Independent transport involves towing the trailer with own agricultural tractor to destination During transport adjust travel speed to the prevailing road conditions but do not exceed the maximum design speed IMPORTANT Before transporting independently the tractor driver must carefully read this ope...

Page 24: ...g oil should be collected using sorbents or by mixing the oil with sand sawdust or other absorbent materials The oil pollution once gathered up should be kept in a sealed marked hydrocarbon resistant container The container should be kept away from heat sources flammable materials and food DANGER Used hydraulic oil or gathered remains mixed with absorbent material should be stored in a precisely m...

Page 25: ...eumatic brake system e g using air tank drain valve DANGER During dismantling use the appropriate tools equipment overhead travelling crane crane or hoist etc and use personal protection equipment i e protective clothing footwear gloves and eye protection etc Avoid contact of skin with oil Do not allow used hydraulic oil to spill When spare parts are changed worn out or damaged parts that cannot b...

Page 26: ...Pronar T669 1 SECTION 1 1 16 ...

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

Page 28: ...or 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 ...

Page 29: ...itch the trailer to a tractor use exclusively the tractor hitch for single axle trailers After completing the hitching of the machines check the safety of the hitch Carefully read the tractor Operator s Manual If the tractor is equipped with an automatic hitch make certain that the coupling operation is completed Be especially careful when hitching the machine When hitching there must be nobody be...

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

Page 31: ...ace when the machine is positioned on level and hard surface and connected 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 ...

Page 32: ...paid to loads which may freeze during transport When tipping the load box with frozen load the trailer may become unstable and tip over Do NOT raise the load box if there is any danger whatsoever that the box will tip over Do NOT jerk the trailer forwards if load is bulky or reluctant to pour and does not unload Do NOT climb on load box during loading and unloading Lower the load box before procee...

Page 33: ...he trailer is correctly hitched to the tractor Chocks 1 should be placed only under one wheel one in front of the wheel the second behind the wheel figure 2 1 Do not place chocks under wheels of the front steering axle Do NOT move off or drive when load box is raised Prior to moving off make sure that tipping pins connecting the loadbox and the lower frame and the side wall hinge pins are secured ...

Page 34: ... The trailer is designed to operate on slopes up to 8 Driving trailer across ground with steeper slopes may cause the trailer to tip over as a result of loss of stability While driving on public roads the trailer must be fitted with a certified or authorised reflective warning triangle Periodically drain water from the air tanks in pneumatic system During frosts freezing water may cause damage to ...

Page 35: ...ted to the gross weight of the trailer exceeding the weight limit causes drastic reduction of basic braking effectiveness FIGURE 2 2 Mounting place for slow moving vehicle sign 1 warning sign 2 attachment point If the trailer is the last vehicle in the group a slow moving vehicle sign should be placed on the trailer s rear load box wall figure 2 2 The warning sign 1 should be attached using the sp...

Page 36: ...ld be carried out using appropriate tools Inspection of nut tightening should be carried out after first use of trailer after first travel with load and then after 6 months use In the event of intensive work check the nut tightening at least every 100 km The inspection should be repeated individually if a wheel has been removed from the wheel axle Avoid potholes sudden manoeuvres or high speeds wh...

Page 37: ...sure that unauthorised persons do not have access to the tractor cab Regularly check the condition of nut and bolt connections in particular connections of drawbar eye with drawbar and wheel nuts Regularly service machine according to schedule defined by Manufacturer Before beginning work requiring raising of load box it must be emptied and secured by supports to prevent accidental falling The tra...

Page 38: ...d hydraulic systems plastic parts If there is a risk that they will catch fire or be damaged they should be removed or covered with non flammable material before commencing welding work Before beginning work prepare a CO or foam extinguisher In the event of work requiring the trailer to be raised use properly certified hydraulic or mechanical lifts for this purpose After lifting the machine stable...

Page 39: ...ain residual risk which could lead to an accident and this is connected mainly with the actions described below using the trailer for purposes other than those for which it is intended being between the tractor and the trailer while the engine is running and when the machine is being attached or hitched to second trailer being on the machine when it operates not maintaining safe distance during lo...

Page 40: ...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 information symbols located on the trailer are clear and legible In the event of their destruction they must be replaced with new ones Safety decals are available f...

Page 41: ...nning servicing or repairs turn off tractor 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 42: ...ate 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 43: ...c tipping system 1 or 2 trailers 13 Line supplying hydraulic brake system 14 Line supplying hydraulic tipping system 15 Shear type drawbar support hydraulic system supply line lowering 16 Shear type drawbar support hydraulic system supply line 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 hydraulic valv...

Page 44: ...Pronar T669 1 SECTION 2 2 18 FIGURE 2 3 Locations of information and warning decals ...

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

Page 46: ...2 250 1 200 580 Weight and carrying capacity Tare weight Maximum gross weight Maximum carrying capacity kg kg kg 6 000 20 000 14 000 Other information Wheel track Maximum drawbar load Cargo capacity Load surface Lift of load surface Load box tipping angle to the rear to the sides Electrical system voltage Hydraulic oil demand Tractor power demand Maximum design speed Noise emission level mm kg m3 ...

Page 47: ...s there are two lights support beams 12 and 13 and rear fender 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 equipp...

Page 48: ...wheel axle 5 rear fender 6 rear hitch 7 leaf spring shock absorber 8 shock absorber rocker arm 9 load box support 10 wheel chocks 11 tipping ram cylinder mounting socket 12 left lights support beam 13 right lights support beam 14 mudguard 15 rotating drawbar 16 ball drawbar 17 fixed drawbar 18 rear beam ...

Page 49: ...SECTION 3 Pronar T669 1 3 5 3 2 2 LOAD BOX FIGURE 3 2 Load box 1 load box 2 side gate 3 side extensions 580 mm 4 fenced platform 5 tailgate 6 lower ladder 7 wall extension ladder ...

Page 50: ...f the rear beam and on the bracket welded to the front section of the lower frame These sockets are swivel points during the tipping of the load box to the rear or sideways compare figure 3 1 The chosen tipping direction is achieved by positioning the pin in the appropriately profiled socket opening the construction of which prevents their inappropriate placing by trailer operator FIGURE 3 3 Rear ...

Page 51: ...system with three position regulator figure 3 5 double line pneumatic 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 ap...

Page 52: ...f the single conduit pneumatic brake system 1 air tank 2 control valve 3 manual brake force regulator 4 pneumatic ram 5 line connectors 6 air filter 7 pneumatic ram control connectors 8 pneumatic ram piston control connector 9 drain valve 10 socket black option ...

Page 53: ...brake system 1 air tank 2 control valve 3 manual brake force regulator 4 pneumatic cylinder 5 line connector red 6 line 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 54: ... automatic regulator 1 air tank 2 control valve 3 automatic brake force regulator 4 pneumatic cylinder 5 line connector red 6 line 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 55: ...ation 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 56: ... automatic unloading of trailer by tipping the load box to the rear or sideways The hydraulic tipping system is supplied with oil from the tractor s hydraulic system Hydraulic oil selective control valve 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...

Page 57: ...ree 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 58: ...d to control the support to set drawbar at the correct height Support hydraulic system is fed by the tractor hydraulic system through the hydraulic lines 1 and 2 Identification decals are placed on the support lowering lines in the vicinity of connectors item 15 Table 2 1 and support raising line item 16 Table 2 1 Raising or lowering the support is done by extending or retracting the hydraulic cyl...

Page 59: ...s 4 The hydraulic system is supplied with oil from the tractor external hydraulic system Through hydraulic lines 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 selective control valve lever on the tractor When raising the tailgate the locking hooks 4 unlock the tailgate then...

Page 60: ...Pronar T669 1 SECTION 3 3 16 FIGURE 3 11 Tailgate hydraulic system construction and diagram 1 hydraulic cylinder 2 supply line 3 return line 4 locking hook 5 tailgate wing ...

Page 61: ... The hydraulic system is supplied with oil from the tractor external hydraulic system Through a hydraulic line 2 terminated with a quick coupler pressurised oil is supplied to hydraulic cylinders 1 Extending cylinder piston locks turning rear axle wheels FIGURE 3 12 Construction and design of steering lock hydraulic system 1 hydraulic cylinder 2 hydraulic supply line ...

Page 62: ...e 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 mechanism clockwise causes deflection of the lever 5 and tension of cable II 4 causing a deflection of the brake expander arms 1 which immobilize the trailer by parting the brake shoes FIGURE 3 13 Parking br...

Page 63: ... with the tractor should be made through an appropriate connection lead FIGURE 3 14 Positioning of electrical components 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 64: ...Pronar T669 1 SECTION 3 3 20 ...

Page 65: ... of side lamp wiring harness electrical system Marking according to table 3 2 3 3 and 3 4 TABLE 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 ...

Page 66: ...OBP Right clearance lamp TABLE 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 TABLE 3 4 Line colour marking MARKING COLOUR B White C Black K Red N Blue P Orange T Green C T Black and green R Pink ...

Page 67: ...SECTION 4 CORRECT USE ...

Page 68: ...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 69: ...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 sequence shown below Connect the trailer to a...

Page 70: ...nd the cause of the problem If a fault cannot be rectified or the repair could void the warranty please contact retailer for additional clarifications or to perform repair DANGER Careless and improper 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 authoris...

Page 71: ...the tractor perform the actions below in the sequence presented Machine must be immobilised by parking brake Connection Immobilise trailer with parking brake Position agricultural tractor directly in front of drawbar eye Reverse the tractor and connect two hydraulic lines that control the shear type drawbar support see figure 4 1 FIGURE 4 1 Connecting hydraulic shear type drawbar support 1 shear t...

Page 72: ...c cylinder piston rod 2 Figure 4 1 When the support is completely withdrawn set selective control valve lever in tractor to neutral position Turn off tractor engine Ensure that unauthorised persons do not have access to the tractor cab Connect pneumatic system lines applies to two line systems Connect pneumatic conduit marked yellow with yellow socket in tractor Connect pneumatic line marked red w...

Page 73: ...e tractor Once the 2nd line is connected the braking system will switch to normal mode of operation disconnection or interruption of the lines causes the trailer s braking system control valve to automatically apply brakes Lines are marked with coloured protective covers which identify the appropriate system line IMPORTANT Trailer may only be hitched to a tractor which has the appropriate hitch co...

Page 74: ... conduit systems Disconnect pneumatic conduit marked red Disconnect pneumatic conduit marked yellow Disconnect pneumatic system lines applies to single line systems Disconnect pneumatic conduit marked black Disconnect hydraulic brake system line applies to trailer version with hydraulic brake Disconnect hydraulic turning interlock system line applies to trailer version with turning interlock syste...

Page 75: ...nd outside the area of danger and be visible to the tractor driver at all times Coupling second trailer The tractor with the coupled first trailer is positioned directly in front of the drawbar of the second trailer Immobilise second trailer with parking brake Remove pin from the hitch of the first trailer If the trailer is fitted with automatic rear hitch lift the pin by the handle 3 figure 4 2 A...

Page 76: ...cond trailer drawbar 3 automatic hitch pin lifting handle Insert drawbar pin and securing cotter pin Connect lines of hydraulic pneumatic and electrical systems according to instructions contained in section 4 2 Disconnecting the second trailer Immobilise tractor and trailer with parking brake ...

Page 77: ... slide gate are properly closed and secured The trailer must be positioned to travel forwards and be hitched to the tractor Loading should only take place when trailer is placed on flat level surface and hitched to tractor If the trailer is equipped with tarpaulin cover it should be rolled IMPORTANT When a tailgate is tightly closed that securing hooks must fully engage the rear gate securing pin ...

Page 78: ...rying capacity of the trailer Guideline specific weight of selected materials is shown in table 4 1 Take care not to overload the trailer TABLE 4 1 Guideline weights by volume of selected loads TYPE OF MATERIAL VOLUME WEIGHT KG M3 Root crops raw potatoes steamed crushed potatoes dried potatoes sugar beet roots fodder beet roots 700 820 850 950 130 150 560 720 500 700 Organic fertilisers old manure...

Page 79: ...00 straw litter and bulk feeds meadow hay dried in the swath hay wilted in the swath hay in gathering trailer dry wilted wilted cut hay dry baled hay wilted baled hay stored dry hay stored cut hay clover lucerne wilted in the swath clover lucerne cut wilted on trailer clover lucerne wilted on gathering trailer dry stored clover cut dry stored clover dry straw in round bales damp straw in round bal...

Page 80: ... fresh beet leaves beet leaves in gathering trailer 50 90 40 100 80 90 110 150 20 25 35 75 60 100 28 35 150 400 120 270 140 160 350 400 180 250 concentrated feeds and mixed feeds stored chaff pressed cake milled dry feed mixed feeds mineral mixtures ground oats wet sugar beet pulp pressed sugar beet pulp dry sugar beet pulp bran bone meal pasture salt molasses silage pit silo hay silage tower silo...

Page 81: ...agriculture PWN Warszawa 1985 ATTENTION The trailer is also designed for transport of 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 con...

Page 82: ...the bulk of the load during travel In extreme cases the gross weight of the trailer may exceed the permissible vehicle gross weight Some bulk loads e g building materials such as gravel or slag may cause more rapid damage to paintwork Loads of pieces or solid lumps Loads of pieces or solid lumps are generally hard materials of significantly greater dimensions than bulk loads stones coal bricks and...

Page 83: ...ngs bale grabs forks etc Load may be loaded even exceeding the height of load box extensions but particular attention should be paid to the trailer stability and the proper attachment and securing of the load Remember that higher loading has a negative effect on trailer stability Loads in packaging Loads transported in packaging boxes sacks must be laid closely side by side beginning from the fron...

Page 84: ...ted only on condition of appropriate load preparation Materials must be tightly packed in plastic foil sacks plastic containers etc During transport packaging contents may not come into contact with load box therefore ensure the appropriate tightness of containers It is impossible to describe all methods of loading due to the diversity of materials tools means of fixing and securing a load While w...

Page 85: ...hard shoulder avoiding any risk to other road users and position reflective warning triangle according to traffic regulations When driving on public roads trailer must be marked with a slow moving vehicle warning sign attached to the rear wall of load box if the trailer is the last vehicle in the group While driving on public roads the trailer must be fitted with a certified or authorised reflecti...

Page 86: ...gh volume load by ruts ditches roadside slopes etc constitutes a great risk of overturning the trailer Exercise particular caution 4 6 UNLOADING The trailer is equipped with hydraulic tipping system and properly designed frame and load box allowing tipping to the rear and sideways Tipping of the load box is controlled from driver s cab using external tractor hydraulic system selective control valv...

Page 87: ...hen unloading to the rear open the trailer s tailgate using hydraulic cylinders by operating the hydraulic selective control valve valve lever in the tractor cab FIGURE 4 3 Opening side gates 1 side gate 2 side gate closing lever 3 securing hook 4 side gate lock Place the control lever controlling the hydraulic tipping system circuits in position 1 tipping of the first trailer Using the selective ...

Page 88: ...trailer Tipping pins must be correctly interlocked Tipping may only be performed when trailer is hitched to tractor Ensure that during unloading nobody is near tipped load box or load material pouring out Tipping the load box must be done on hard and level ground Do NOT tip load box in strong gusty winds conditions Do NOT jerk the trailer forwards if load is bulky or reluctant to pour and does not...

Page 89: ...neven or wet ground and move and jerk trailer during unloading Bulky materials are normally difficult to unload therefore proceed cautiously and patiently Careless operation of trailer may pose a danger to operators and bystanders can also cause damage to the machine DANGER When closing side gates and the rear grain chute gate take particular care to avoid crushing fingers ...

Page 90: ...eel has been removed from the wheel axle Regularly check and maintain correct pressure in tyres according to Operator s Manual especially if trailer is not used for a longer period Pressure and tyres should be also checked during the whole day of intensive work Please note that higher temperatures could raise tyre pressure by as much as 1 bar At high temperatures and pressure reduce load or speed ...

Page 91: ...SECTION 5 MAINTENANCE ...

Page 92: ...ons which are not regarded as possible for the trailer operator to perform the user shall invalidate the warranty 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 responsibilitie...

Page 93: ...linder and return springs Engage and release in turn the main brake and then the trailer parking brake 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 castel...

Page 94: ...m thickness of trailer brake linings is 5 mm Check brake shoe linings for wear through 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 FIGURE 5 1 Checking brake shoe linings 1 wheel axle drum 2 brake shoe linings for wear inspec...

Page 95: ...ctor must 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 the wheel opposite to the side where chocks are placed The lifting jack should be placed 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 is m...

Page 96: ... an event the bearing together with sealing ring should be replaced with new parts or cleaned and greased again During inspection of bearings ensure that possibly detected looseness comes from the bearing and not from the suspension system e g looseness of leaf spring pins etc TIP If hub cover is damaged or missing contamination and dampness enter the hub which causes significantly faster wear of ...

Page 97: ...provided in section 5 2 3 Adjustment of road wheel axle bearings Take off hub cover 1 figure 5 3 Take out split cotter pin 3 securing castellated nut 2 Tighten castellated nut in order to eliminate looseness Wheel should rotate with insignificant resistance Unscrew nut not less than 1 3 rotation to cover the nearest thread groove with alignment to opening in wheel stub axle Wheel should rotate wit...

Page 98: ...ake 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 Wheel removal Immobilise trailer with parking brake Place the wheel chocks under the wheel opposite to the dismantled whe...

Page 99: ...so that wheel rim tightly fits the hub Lower trailer tighten nuts according to recommended torque and given sequence TIP Wheel nuts should be tightened using a torque of 450 Nm nuts M22x1 5 Tightening 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...

Page 100: ...ct wrench because of danger of exceeding permissible tightening torque the consequence of which may be breaking the thread connection or breaking off the hub pins The greatest precision is achieved using a torque spanner Before commencing work ensure that correct tightening torque value is set TABLE 5 1 Spanner arm WHEEL TIGHTENING TORQUE BODY WEIGHT F ARM LENGTH L NM KG M 90 0 5 80 0 55 70 0 65 4...

Page 101: ...ld be checked more frequently During this time trailer must be unloaded Checking should be done before travelling when tyres are not heated or after an extended period of parking TIP Tyre pressure values are specified in information decal placed on wheel or on upper frame above trailer wheel While checking pressure pay attention to technical condition of wheels and tyres Look carefully at tyre sid...

Page 102: ... involves changing the position of the expander arm 1 figure 5 5 in relation to expander shaft 2 To do this rotate adjustment screw 3 in appropriate direction to displace the expander lever to the rear if brake brakes too late forward brake brakes too early The main brake system should be inspected annually and in case of need should be adjusted Adjustment should be conducted separately for each w...

Page 103: ...shaft 3 adjustment bolt 4 cylinder fork If it is necessary to dismantle the cylinder fork 4 remember or mark its original position in the expander arm The mounting position is selected by the Manufacturer and may not be changed TABLE 5 2 Position of fork pin in expander arm PIN POSITION mm TYPE OF BRAKE SYSTEM FRONT AXLE REAR AXLE Single line pneumatic system Double line pneumatic system Hydraulic...

Page 104: ...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 trailer wheel FIGURE 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 Fully unscrew the bolt of the brake crank mechanism 1 ...

Page 105: ...les Clamps must be tightened The distances between the clamps may not be less than 15 mm Clamp jaws must be placed at the load bearing cable side see Figure 5 7 The first clamp should be placed directly on the thimble FIGURE 5 7 Installation of steel cable clamps Install bolts and new securing cotter pins After the first load of cable re check the condition of cable end correct if necessary Adjust...

Page 106: ... repairs in parking brake system Before commencing adjustment make certain that the main break is correctly regulated and is functioning properly Checking and parking brake adjustment every 12 months if needed 5 3 PNEUMATIC SYSTEM MAINTENANCE 5 3 1 PRELIMINARY INFORMATION Work connected with the repair change or regeneration of system components brake cylinders lines control valve braking force re...

Page 107: ...ystems air pressure should amount to approx 8 bar Turn off tractor engine Check system components by releasing brake pedal in tractor Give particular attention to conduit connections and brake cylinders Repeat system check with depressed tractor brake pedal The help of a second person is required In the event of the appearance of leaks compressed air will escape at the places of damage with a char...

Page 108: ...l condition and degree of cleanness of the system components Contact of pneumatic conduit seals etc with oil grease petrol etc may cause damage and accelerate the ageing process Bent permanently deformed cut or worn conduits should be replaced Visual assessment of system Conduct inspection of system at the same time as when checking tightness IMPORTANT Repair exchange or regeneration of pneumatic ...

Page 109: ...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 system connection lines Inserts are used many times and are not subject to changing unless they are mechanically damaged Required service actions Reduce pressure in supply line Reduction of pressuring line may be achieved by pressing...

Page 110: ...sert 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 FIGURE 5 9 Draining water from air tank 1 drain valve 2 air tank Required service actions Open out drain valve 1 placed in lower part of tank 2 ...

Page 111: ...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 CLEAN 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 stem Unscrew valve Clean valve purge with compressed air Change copper seal Screw i...

Page 112: ...in their 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 co...

Page 113: ... the pneumatic line 1 pneumatic line 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 for this type of work The dut...

Page 114: ...rs and axle turning interlock cylinders Conduct tipping of load box sideways and backwards several times 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 lines In the event of confirmation of oil on hydraulic ram cylinder bodies ascertain ...

Page 115: ...c Inspection of hydraulic connections and sockets connection should be inspected every time before connecting trailer to tractor or second trailer 5 4 4 REPLACEMENT OF HYDRAULIC CONDUITS Rubber hydraulic conduits must be replaced every 4 years regardless of their technical condition This should be entrusted to specialised workshops Replace the hydraulic lines every 4 years 5 5 OPERATION OF ELECTRI...

Page 116: ... 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 ...

Page 117: ...eft 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 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 TABLE 5 4 Trailer lubrication schedule ITEM LUBRICATION POINT NUMBER OF LUBRICATION POINTS TYPE OF GREASE FREQUENCY 1 Hub bearing 4 A ...

Page 118: ...g 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 Articulated joints and sockets for installation of load box 3 B 3M 17 Rear hitch mechanism 1 A 3M 1...

Page 119: ... GREASE FREQUENCY 20 Tailgate wing securing pin 2 A 3M 21 Ladder pin and catch 1 D 3M 22 Slide gate guides 2 D 1M 23 Slide gate pull shaft pins 6 D 1M 24 Rocker arm pin 2 B 3M 25 Lateral gate hinge 6 D 3M 26 Lateral gate lock 6 D 3M Lubrication periods M months D days 1 not shown in figure ...

Page 120: ...Pronar T669 1 SECTION 5 5 30 FIGURE 5 11 Trailer s lubrication points part 1 ...

Page 121: ... points part 2 Trailer lubrication should be performed with the aid of a manually or foot operated grease gun filled recommended grease Before commencing work insofar as is possible remove old grease and other contamination Remove and wipe off excess oil or grease ...

Page 122: ...ined in table 5 4 Parts which should be lubricated with machine oil should 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 ...

Page 123: ... these recommendations Attention should be given so that chemical substances used for this purpose do not damage the materials of the hydraulic system During normal trailer use change of hydraulic oil is not necessary but if required this operation should be entrusted to a specialist service point TABLE 5 6 L HL 32 Lotos hydraulic oil characteristics ITEM NAME UNIT VALUE 1 ISO 3448VG viscosity cla...

Page 124: ...self with the content off the information leaflet for the chosen product Particularly relevant are safety rules and handling procedures for given lubricant product and waste utilisation used containers contaminated rags etc Information leaflet material safety data sheet should be kept together with grease 5 8 CLEANING TRAILER Trailer should be cleaned depending on requirements and before longer id...

Page 125: ...a test on an unseen surface area Surfaces smeared with oil or grease should be cleaned by application of benzene or other degreasing agents and then washed with clean water with added detergent Comply with recommendations of the Manufacturer Washing detergent should be kept in original containers optionally in replacement containers but very clearly marked Preparations may not be stored in food an...

Page 126: ... be very carefully washed and dried Corroded places should be cleaned of rust degreased and protected using undercoat paint and then painted with surface paint according to colour scheme In the event of 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 st...

Page 127: ...ded tightening torque of most frequently applied nut and bolt connections are given in table below Given values apply to non lubricated steel bolts TABLE 5 7 Tightening torque for nut and bolt connections 5 8 1 8 8 1 10 9 1 THREAD METRIC Md Nm M10 37 49 72 M12 64 85 125 M14 100 135 200 M16 160 210 310 M20 300 425 610 M24 530 730 1 050 M27 820 1 150 1 650 M30 1 050 1 450 2 100 1 resistance class ac...

Page 128: ...eral load box stakes and the lateral tailgate stakes Install front wall extension 1 Holes in wall extension stakes must align with holes in the supports Wall extension arms must be inserted into the appropriate mounting brackets welded to the load box Install two front lateral wall extensions 3 Lateral wall extensions must be bolted to the front wall extension Install lateral stakes 5 Install two ...

Page 129: ...sion arms must be bolted load box brackets Attach the ladder to the front wall extension 1 Disassembly of wall extensions should be performed in reverse order DANGER Assembly and disassembly of wall extensions should be carried out with the use of appropriate platforms ladders or when standing on a ramp These tools must be in good condition to fully protect the persons working on them against fall...

Page 130: ...h a 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 131: ...xtension Attach rear apex 3 to the rear wall extension Attach centre apex 2 to lateral wall extensions Screw the connecting pipe 3 to the front and centre apexes Install limiters 5 to side wall extensions on the right side of the load box Place tarpaulin cover 6 so that it rests on the limiters on the right side The tarpaulin should be laid so that it is possible to one role it without unnecessary...

Page 132: ...ulin cover 7 fastening strap DANGER Assembly and disassembly of the frame should be carried out with the use of appropriate platforms ladders or when standing on a ramp These tools must be in good condition to fully protect the persons working on them against falling Work should be performed by at least two persons Exercise particular caution ...

Page 133: ...ler drawbar is positioned horizontally while driving on a flat terrain FIGURE 5 16 Adjustment of drawbar position 1 fixed drawbar eye 2 faceplate 3 fixing bolt To adjust drawbar position change the position of bolted drawbar eye 1 on the faceplate 2 Figure 5 16 Required actions Immobilise trailer with parking brake Place wheel chocks under trailer wheels Unscrew drawbar eye 1 and remove from facep...

Page 134: ...ing brake Damaged pneumatic system connection conduits Replace Leaking connections Tighten replace washers or seal sets replace conduits Problem with moving off Control valve or braking force regulator damaged Check valve repair or replace Excessive play in bearings Check play and adjust if needed Damaged bearing Replace bearings Noise in axle hubs Damaged hub parts Replace Poor reliability of bra...

Page 135: ...nsufficient 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 of need repair or replace ram cylinder Excessive cylinder ram loading Check mechanism controlled by ram cylinder for mechanical damage Incorrect hydraulic system...

Page 136: ...Pronar T669 1 SECTION 5 5 46 ...

Page 137: ...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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