PRONAR T669 Operator's Manual
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PRONAR T669 Operator's Manual

Agricultural trailer
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TRANSLATION OF THE ORIGINAL COPY OF THE MANUAL
ISSUE 5B-09-2010
PRONAR Sp. z o.o.
17-210 NAREW, UL. MICKIEWICZA 101A, PODLASKIE PROVINCE
tel.:
fax:
OPERATOR'S MANUAL
AGRICULTURAL TRAILER
PRONAR T669
+48 085 681 63 29
+48 085 681 63 81
+48 085 681 63 83
PUBLICATION NO 58N-00000000-UM
+48 085 681 64 29
+48 085 681 63 82
+48 085 682 71 10
www.pronar.pl

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Summary of Contents for PRONAR T669

  • Page 1 PRONAR Sp. z o.o. 17-210 NAREW, UL. MICKIEWICZA 101A, PODLASKIE PROVINCE 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...
  • Page 3 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 information contained in the Operator's Manual needs clarification then the user should refer for assistance to the sale point where the machine was purchased or to the Manufacturer.
  • Page 4 SYMBOLS APPEARING IN THIS OPERATOR'S MANUAL Information, descriptions of danger and precautions and also recommendations and prohibitions associated with user safety instructions are marked: and also preceded by the word "DANGER”. Failure to observe the instructions may endanger the machine operator's or other person's health or life. Particularly 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".
  • Page 5 DIRECTIONS USED IN THIS OPERATOR'S MANUAL Left side – side to the left hand of the operator facing in the direction of machine's forward travel. Right side – side to the right hand of the operator facing in the direction of machine's forward travel.

  • Page 7: Table Of Contents

    CONTENTS 1 BASIC INFORMATION IDENTIFICATION 1.1.1 TRAILER IDENTIFICATION 1.1.2 AXLE IDENTIFICATION 1.1.3 LIST OF FACTORY NUMBERS PROPER USE OPTIONAL EQUIPMENT WARRANTY TERMS TRANSPORT 1.10 1.5.1 TRANSPORT ON VEHICLE. 1.10 1.5.2 INDEPENDENT TRANSPORT BY THE USER 1.12 ENVIRONMENTAL HAZARDS 1.12 WITHDRAWAL FROM USE 1.13 2 SAFETY ADVICE BASIC SAFETY RULES...
  • Page 8 3 DESIGN AND OPERATION TECHNICAL SPECIFICATION TRAILER CONSTRUCTION 3.2.1 CHASSIS 3.2.2 LOAD BOX 3.2.3 MAIN BRAKE 3.2.4 HYDRAULIC TIPPER SYSTEM 3.12 3.2.5 SHEAR TYPE DRAWBAR SUPPORT HYDRAULIC SYSTEM 3.14 3.2.6 TAILGATE HYDRAULIC SYSTEM 3.15 3.2.7 TURNING INTERLOCK HYDRAULIC SYSTEM 3.16 3.2.8 PARKING BRAKE 3.17 3.2.9 LIGHTING SYSTEM...
  • Page 9 5.2.2 INITIAL INSPECTION OF AXLE BRAKES 5.2.3 CHECK BRAKE SHOE LININGS FOR WEAR 5.2.4 CHECK WHEEL AXLE BEARINGS FOR LOOSENESS 5.2.5 ADJUSTMENT OF WHEEL AXLE BEARINGS LOOSENESS 5.2.6 MOUNTING AND DISMOUNTING WHEEL, INSPECTION OF WHEEL NUT TIGHTENING 5.2.7 CHECK AIR PRESSURE, EVALUATE TECHNICAL CONDITION OF WHEELS AND TYRES, 5.10 5.2.8 ADJUSTMENT OF MECHANICAL BRAKES...
  • Page 10 TRAILER LUBRICATION 5.27 CONSUMABLES 5.31 5.7.1 HYDRAULIC OIL 5.31 5.7.2 LUBRICANTS 5.32 CLEANING TRAILER 5.33 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...

  • Page 11: Basic Information

    SECTION BASIC INFORMATION...

  • Page 12: Identification

    Pronar T669 SECTION 1 1.1 IDENTIFICATION 1.1.1 TRAILER IDENTIFICATION FIG. 1.1 Location of the data plate and serial number (1) data plate, (2) serial number The trailer is marked with the data plate (1), and the factory number (2) located on a gold painted rectangle.

  • Page 13: Axle Identification

    SECTION 1 Pronar T669 TAB. 1.1 Markings on data plate ITEM MARKING General description and purpose Symbol /Type Year of manufacture Seventeen digit vehicle identification number (VIN) Official certificate number Tare weight Maximum gross weight Carrying capacity Permissible hitching system loading...

  • Page 14: List Of Factory Numbers

    Pronar T669 SECTION 1 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). 1.1.3 LIST OF FACTORY NUMBERS In the event 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.
  • Page 15 SECTION 1 Pronar T669 the trailer is used, the limits stipulated by the road traffic legislation in force in a given country must be observed. The trailer speed must not, however, be greater than the maximum design speed of 40 km/h.
  • Page 16 Pronar T669 SECTION 1 • only hitch the trailer to an agricultural tractor, which fulfils all the requirements made by the trailer's Manufacturer. The trailer may only be used by persons, who: • are familiar with the contents of this publication and with the contents of the agricultural tractor Operator's Manual, •...

  • Page 17: Optional Equipment

    SECTION 1 Pronar T669 – 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. In the event that the trailer shall be hitched to a second trailer it must fulfil the requirements stipulated in table (1.3).

  • Page 18: Warranty Terms

    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 OPERATOR'S MANUAL. The repair period is specified in the WARRANTY BOOK.
  • Page 19 SECTION 1 Pronar T669 The guarantee does not apply to those parts and sub-assemblies of the machine, which are subject to wear in normal usage conditions, regardless of the warranty period. Consumables include the following parts/sub-assemblies: • drawbar hitching eye, •...

  • Page 20: Transport

    Pronar T669 SECTION 1 not. Detailed guarantee regulations are contained in the WARRANTY BOOK attached to each machine. Modification of the trailer without the written consent of the Manufacturer is forbidden. In particular, do NOT weld, drill holes in, cut or heat the main structural elements of the machine, which have a direct impact on the machine operation safety.
  • Page 21 SECTION 1 Pronar T669 trailer, the construction of vehicle carrying trailer, speed of travel and other conditions. For this reason it is impossible to define the securing plan precisely. A correctly secured trailer does not change its position with regard to the transport in vehicle. The securing elements must be selected according to the guidelines of the Manufacturer of these elements.

  • Page 22: Independent Transport By The User

    Pronar T669 SECTION 1 DANGER Incorrect application of securing measures may cause an accident. 1.5.2 INDEPENDENT TRANSPORT BY THE USER In the event of independent transport by the user after purchase of the trailer, the user must read the trailer Operator's Manual and adhere to the recommendations contained therein.

  • Page 23: Withdrawal From Use

    SECTION 1 Pronar T669 DANGER Used hydraulic oil or gathered remains mixed with absorbent material should be stored in a precisely marked container. Do not use food packaging for this purpose. Oil, which has been used up or is unsuitable for further use owing to a loss of its properties should be stored in its original packaging in the conditions described above.
  • Page 24 Pronar T669 SECTION 1 When spare 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: Safety Advice

    SECTION SAFETY ADVICE...

  • Page 26: Basic Safety Rules

    Pronar T669 SECTION 2 2.1 BASIC SAFETY RULES 2.1.1 USE OF TRAILER • Before using the trailer, the user must carefully read this Operator's Manual and the WARRANTY BOOK. When operating the machine, the operator must comply with the recommendations.

  • Page 27: Hitching And Disconnecting From Tractor

    SECTION 2 Pronar T669 them against falling. The above procedure should be performed by at least two persons. • In the final phase of folding the tarpaulin cover, at all times hold with one hand the top of the front frame or other permanent structural element. Non-compliance with this rule can put the user at risk of falling.

  • Page 28: Hydraulic And Pneumatic Systems

    Pronar T669 SECTION 2 • Before hitching trailer to tractor check that both machines are in good technical condition. • After completing the coupling of the trailer check the safety of the hitch. • Be especially careful when hitching the machine.

  • Page 29: Loading And Unloading

    SECTION 2 Pronar T669 • After changing the hydraulic oil, the used oil should be properly disposed of. Used oil or oil, which has lost its properties, should be stored in original containers or replacement containers resistant to action of hydrocarbons. Replacement containers must be clearly marked and appropriately stored.

  • Page 30: Transporting The Machine

    Pronar T669 SECTION 2 • Incorrect load distribution and overloading the machine may cause the trailer to tip over or cause damage to its components. • Do NOT go or place hand between open tailgate and load box. • If the load does not pour from the raised load box immediately cease unloading.
  • Page 31 SECTION 2 Pronar T669 • 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.
  • Page 32 Pronar T669 SECTION 2 • While driving on public roads the trailer must be fitted with a certified or authorised reflective warning triangle. • Periodically drain water from the air tank in pneumatic system. During frosts, freezing water may cause damage to pneumatic system components.

  • Page 33: Tyres

    SECTION 2 Pronar T669 • Do NOT exceed the trailer's maximum carrying capacity. Exceeding the carrying capacity may lead to damage to the machine, loss of stability while driving, scattering of the load and danger while driving. The brake system is adjusted to the gross weight of the trailer, exceeding the weight limit causes drastic reduction of basic braking effectiveness.

  • Page 34: Maintenance

    Pronar T669 SECTION 2 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. • Protect tyre valves using suitable caps to avoid soiling.
  • Page 35 SECTION 2 Pronar T669 immediately cleaned and disinfected. In the event of more serious injuries, seek a doctor's advice. • Repair, maintenance and cleaning work should be carried out with the tractor's engine switched off and the ignition key removed. Tractor and trailer should be secured using parking brake and in addition chocks should be placed beneath trailer wheel.

  • Page 36: Description Of Minimal Risk

    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: •...

  • Page 37: Information And Warning Decals

    In the event of their destruction, they must be replaced with new ones. Safety decals are available from your PRONAR dealer or directly from PRONAR customer service. New assemblies, changed during repair, must be labelled once again with the appropriate safety signs.
  • Page 38 Pronar T669 SECTION 2 TAB. 2.1 Information and warning decals ITEM DECAL MEANING OF SYMBOL Trailer version. Caution! Before starting work, carefully read the Operator's Manual. Before beginning servicing or repairs, switch off tractor's engine and remove key from ignition Ensure that...
  • Page 39 SECTION 2 Pronar T669 ITEM DECAL MEANING OF SYMBOL Conduit functions. Tipping the load box Plug cap - blue Raising / lowering the tailgate Plug cap - black Hydraulic support Plug cap - blue Rear axle lock Plug cap - green...
  • Page 40 Pronar T669 SECTION 2 ITEM DECAL MEANING OF SYMBOL Caution! Danger of electric shock. Keep a safe distance from overhead electric power lines during unloading. Air pressure in the tyres. Positions of control valve controlling work of hydraulic tipping system (1 or 2 trailers).
  • Page 41 SECTION 2 Pronar T669 FIG. 2.3 Locations of information and warning decals 2.17...
  • Page 42 Pronar T669 SECTION 2 2.18...

  • Page 43: Design And Operation

    SECTION DESIGN AND OPERATION...
  • Page 44 Pronar T669 SECTION 3 3.1 TECHNICAL SPECIFICATION TAB. 3.1 Basic technical specification CONTENTS UNIT T669 Trailer dimensions Total length 7 255 Total width 2 550 Total height 3 160 Internal load box dimensions Length 5 500 Width (front) 2 200...

  • Page 45: Trailer Construction

    SECTION 3 Pronar T669 3.2 TRAILER CONSTRUCTION 3.2.1 CHASSIS Trailer chassis consists of subassemblies indicated on figure (3.1). Lower frame (1) of the load box is a structure welded from steel sections. The main support elements are two longitudinal members connected with crossbars. In the middle section there are sockets (11) used for mounting of the tipping ram cylinder.
  • Page 46 Pronar T669 SECTION 3 FIG. 3.1 Trailer chassis (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,...

  • Page 47: Load Box

    SECTION 3 Pronar T669 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 Pronar T669 SECTION 3 Trailer load box (1) is a welded structure made from steel sheet and shapes – figure (3.2). To ensure smooth unloading it is in a shape of a cone. The width of the side walls extends gradually towards the rear, which increases the width by 5 cm.

  • Page 49: Main Brake

    SECTION 3 Pronar T669 In order to enable more precise unloading of loose materials there is a slide gate opening (2) placed in the tailgate– figure (3.3). A chute for the trailer, secured under the lower edge of the slide opening (3) may be supplied as additional equipment.
  • Page 50 Pronar T669 SECTION 3 FIG. 3.4 Single conduit pneumatic 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...
  • Page 51 SECTION 3 Pronar T669 FIG. 3.5 Double conduit pneumatic brake construction and system diagram (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 Pronar T669 SECTION 3 FIG. 3.6 Design and system diagram of double conduit pneumatic brake with automatic 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 SECTION 3 Pronar T669 FIG. 3.7 Hydraulic brake construction and system diagram (1) hydraulic cylinder, (2) hydraulic quick coupler, (3) hydraulic socket, (4) information 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.

  • Page 54: Hydraulic Tipper System

    Pronar T669 SECTION 3 FIG. 3.8 Control valve and brake force regulator (1) control valve, (2) brake force regulator, (3) trailer parking brake release button, (4) work selection regulator lever, (A) position "NO LOAD”, (B) position "HALF LOAD”, (C) position "FULL LOAD”...
  • Page 55 SECTION 3 Pronar T669 FIG. 3.9 Hydraulic tipping system construction and diagram (1) telescopic cylinder, (2) three-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: •...

  • Page 56: Shear Type Drawbar Support Hydraulic System

    Pronar T669 SECTION 3 On the connection conduit, in the vicinity of socket (4) there is a decal (8) identifying the supply conduit of the hydraulic system tipping circuit. IMPORTANT! Cut-off valve (3) – figure (3.9) limits the tipping angle of the load box when tipped to the rear.

  • Page 57: Tailgate Hydraulic System

    SECTION 3 Pronar T669 FIG. 3.10 Design and diagram of the shear type support hydraulic system (1), (2) hydraulic conduit, (3) support leg, (4) hydraulic cylinder, (5) support arm, (6) hydraulic lock 3.2.6 TAILGATE HYDRAULIC SYSTEM Tailgate hydraulic system is used to raise and lower the trailer tailgate and control the operation of locking hooks (4).

  • Page 58: Turning Interlock Hydraulic System

    Pronar T669 SECTION 3 FIG. 3.11 Tailgate hydraulic system construction and diagram (1) hydraulic 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.

  • Page 59: Parking Brake

    SECTION 3 Pronar T669 hydraulic conduit (2) terminated with a quick coupler pressurised oil is supplied to hydraulic cylinders (1). Extending cylinder piston locks turning rear axle wheels. FIG. 3.12 Construction and design of steering lock hydraulic system (1) hydraulic cylinder, (2) hydraulic supply conduit 3.2.8 PARKING BRAKE...

  • Page 60: Lighting System

    Pronar T669 SECTION 3 FIG. 3.13 Parking brake design (1) expander arm, (2) brake crank mechanism (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.
  • Page 61 SECTION 3 Pronar T669 FIG. 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 3.19...
  • Page 62 Pronar T669 SECTION 3 FIG. 3.15 Electrical system schematic diagram, the versions without the side lamps 3.20...
  • Page 63 SECTION 3 Pronar T669 FIG. 3.16 Schematic diagram of side lamp wiring harness electrical system Marking according to table (3.2), (3.3) and (3.4) TAB. 3.2 List of electrical component markings SYMBOL NAME Rear right lamp assembly Rear left lamp assembly...
  • Page 64 Pronar T669 SECTION 3 SYMBOL NAME Rear right clearance light Rear left clearance light Left clearance lamp Right clearance lamp TAB. 3.3 Marking of connections of GT and X7P sockets MARKING FUNCTION Weight Power supply +12V (not used) Left indicator...

  • Page 65: Correct Use

    SECTION CORRECT USE...

  • Page 66: Preparing For Work Before First Use

    Pronar T669 SECTION 4 4.1 PREPARING FOR WORK BEFORE FIRST USE 4.1.1 CHECKING THE TRAILER AFTER DELIVERY The manufacturer guarantees that the trailer is fully operational and has been checked according to quality control procedures and is ready for normal use. This does not release the user from an obligation to check the machine's condition after delivery and before first use.

  • Page 67: Prepare A Trailer For First Hitching To Tractor

    SECTION 4 Pronar T669 4.1.2 PREPARE A TRAILER FOR FIRST HITCHING TO TRACTOR Preparation Check all the trailer's lubrication points, lubricate the machine as needed according to recommendations provided in section 5. Check if the nuts and bolts fixing the wheels are properly tightened.

  • Page 68: Hitching And Disconnecting From Tractor

    Pronar T669 SECTION 4 Service operation: hitching/unhitching from tractor, adjustment of draw bar position, tipping of load box etc. are described in detail in further parts of the Operator's Manual in sections 4 and 5. If during test run worrying symptoms occur such as: •...
  • Page 69 SECTION 4 Pronar T669 Connection Immobilise trailer with parking brake. Position agricultural tractor directly in front of drawbar eye. Reverse the tractor and connect two hydraulic conduits that control the shear type drawbar support - see figure (4.1). FIG. 4.1...
  • Page 70 Pronar T669 SECTION 4 When the trailer is coupled, the support must be folded as close as possible to the drawbar by the maximum extension of the hydraulic cylinder piston rod (2) - Figure (4.1). When the support is completely withdrawn, set manifold lever in tractor to "neutral"...
  • Page 71 SECTION 4 Pronar T669 During connection of braking system conduits (pneumatic double conduit) the correct sequence of conduit connection is very important. First connect the yellow connector to yellow socket in the tractor and only then connect the red connector to the red socket in the tractor.

  • Page 72: Coupling And Uncoupling Second Trailer

    Pronar T669 SECTION 4 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.
  • Page 73 SECTION 4 Pronar T669 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.
  • Page 74 Pronar T669 SECTION 4 FIG. 4.2 Coupling second trailer (1) rear trailer hitch, (2) the second trailer drawbar, (3) automatic hitch 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.

  • Page 75: Loading And Securing Load

    SECTION 4 Pronar T669 If the trailer is fitted with automatic rear hitch, lift the pin by the handle (3) - figure (4.2) Remove linchpin from pin of the hitch of the first trailer. Remove drawbar pin and drive tractor away.
  • Page 76 Pronar T669 SECTION 4 materials shown in table (4.1). It is necessary to pay particular attention not to overload the trailer. TAB. 4.1 Guideline weights volume of selected loads VOLUME WEIGHT TYPE OF MATERIAL kg/m Root crops: raw potatoes 700 - 820...
  • Page 77 SECTION 4 Pronar T669 VOLUME WEIGHT TYPE OF MATERIAL kg/m hard sawn timber 500 - 600 impregnated timber 600 - 800 steel structures 700 – 7 000 milled burnt lime 700 - 800 cinders 650 - 750 gravel 1,600 – 1,800...
  • Page 78 Pronar T669 SECTION 4 VOLUME WEIGHT TYPE OF MATERIAL kg/m cut green fodder in bulk trailer 150 - 400 green fodder in gathering trailer 120 - 270 fresh beet leaves 140 - 160 cut fresh beet leaves 350 - 400...
  • Page 79 SECTION 4 Pronar T669 VOLUME WEIGHT TYPE OF MATERIAL kg/m oil seed rape 600 - 750 linseed 640 - 750 lupins 700 - 800 oats 400 - 530 lucerne 760 - 800 640 - 760 Others: dry soil 1,300 – 1,400 wet soil 1,900 –...
  • Page 80 Pronar T669 SECTION 4 walls or extensions. On completion of loading, the load should be evenly spread over the whole surface of the load box. Oilseed rape or seeds of other plants of very small size or powder materials can be transported provided the load box is properly sealed in places where gaps are bigger than the seed diameter or other carried material.
  • Page 81 SECTION 4 Pronar T669 DANGER If it is necessary to carry permitted hazardous materials, acquaint yourself with the regulations concerning transport of hazardous materials in force in the given country and also the regulations of the ADR agreement. Carefully read the information leaflets provided by the load manufacturer, and to observe the instructions for transporting and handling the load.

  • Page 82: Transporting Loads

    Pronar T669 SECTION 4 experience. The trailer user must carefully read the regulations concerning road transport and comply with them. DANGER If there is a danger of load packaging moving, do NOT transport this type of material. A moving load constitutes a serious hazard during travel for the tractor driver and other road users.
  • Page 83 SECTION 4 Pronar T669 • Permissible design speed and maximum speed allowed by road traffic law must not be exceeded. The towing speed should be adapted to the current road conditions, load carried by the trailer, road surface conditions and other relevant conditions.

  • Page 84: Unloading

    Pronar T669 SECTION 4 • Monitor trailer's behaviour when travelling on an uneven terrain, and adjust driving speed to road conditions, slow down early enough when turning. • The trailer is 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.
  • Page 85 SECTION 4 Pronar T669 IMPORTANT! When a tailgate is tightly closed, that securing hooks must fully engage the rear gate securing pin. Do not unload the trailer when the second trailer is connected. When unloading the second trailer, control valve of hydraulic tipping system should be switched to position 2 - tipping the second trailer.

  • Page 86: Proper Use And Maintenance Of Tyres

    Pronar T669 SECTION 4 FIG. 4.3 Chute (1) chute slide gate, (2) chute, (3) lever, (4) locking bolt While unloading bulky materials be especially careful. Do NOT tip load box on uneven or wet ground and move and jerk trailer during unloading. Bulky materials are normally difficult to unload therefore proceed cautiously and patiently.
  • Page 87 SECTION 4 Pronar T669 • Inspect tightness of nuts after first use of trailer, after first travel under load and then every 6 months of use or every 25,000 km. 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.
  • Page 88 Pronar T669 SECTION 4 4.24...

  • Page 89: Maintenance

    SECTION MAINTENANCE...

  • Page 90: Preliminary Information

    Pronar T669 SECTION 5 5.1 PRELIMINARY INFORMATION When using the trailer, regular inspections of its technical condition are essential and the performance of maintenance procedures, which keep the machine in good technical condition. In connection with this the user of the trailer is obliged to perform all the maintenance and adjustment procedures defined by the Manufacturer.

  • Page 91: Initial Inspection Of Axle Brakes

    SECTION 5 Pronar T669 may be performed by specialist workshops. DANGER Do NOT use the trailer when brake system is unreliable. 5.2.2 INITIAL INSPECTION OF AXLE BRAKES After purchasing trailer, the user is responsible for general checking of brake system of trailer axle.
  • Page 92 Pronar T669 SECTION 5 ATTENTION! Minimum 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, •...

  • Page 93: Check Wheel Axle Bearings For Looseness

    SECTION 5 Pronar T669 5.2.4 CHECK WHEEL AXLE BEARINGS FOR LOOSENESS FIG. 5.2 Lifting jack support point (1) wheel axle, (2) U bolt Preparation procedures Hitch trailer to tractor, braking tractor with parking brake. Park tractor and trailer on hard level ground.
  • Page 94 Pronar T669 SECTION 5 Check wheel axle bearings looseness Turning the wheel slowly in both directions check that movement is smooth and that the wheel rotates without excessive resistance. Turn the wheel so that it rotates very quickly, check that the bearing does not make any unusual sounds.

  • Page 95: Adjustment Of Wheel Axle Bearings Looseness

    SECTION 5 Pronar T669 DANGER Before commencing work the user must read the instructions for lifting and adhere to the manufacturer's instructions. The lifting jack must be stably supported by the ground and so must the axle. Ensure that trailer shall not move during inspection of bearing looseness of axles.

  • Page 96: Mounting And Dismounting Wheel, Inspection Of

    Pronar T669 SECTION 5 Wheel should rotate with insignificant resistance. Unscrew nut (not less than1/3 rotation) to cover the nearest thread groove with alignment to opening in wheel stub axle. Wheel should rotate with insignificant resistance. Nut may not be excessively tightened. Do not apply excessive pressure with regard for deterioration of bearing working conditions.
  • Page 97 SECTION 5 Pronar T669 Do not grease thread of nuts and pins. Check condition of pins and nuts, if necessary replace. Place wheel on hub, tighten nuts so that wheel rim adjoins hub exactly. Lower trailer, tighten nuts according to recommended torque and given sequence.

  • Page 98: Check Air Pressure, Evaluate Technical Condition

    Pronar T669 SECTION 5 IMPORTANT! Axle nuts may not be tightened with impact 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 by use of a torque spanner. Before commencing work, ensure that correct tightening torque value is set.

  • Page 99: Adjustment Of Mechanical Brakes

    SECTION 5 Pronar T669 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 sides and check the condition of tread.
  • Page 100 Pronar T669 SECTION 5 Trailer wheels must brake simultaneously. Brakes adjustment involves changing the setting 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: •...

  • Page 101: Change Of Parking Brake Cable And Adjustment Of

    SECTION 5 Pronar T669 brake shoes in drum and result in overheating the brakes. Expander arms must be positioned in parallel with regard to each other at full braking. If this is not so, adjust the position of the lever, which has the longer stroke.
  • Page 102 Pronar T669 SECTION 5 Thimbles and three clamps must be fitted at the ends of the cables. 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 - see Figure (5.7).

  • Page 103: Cable Tension

    SECTION 5 Pronar T669 FIG. 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. Adjustment of parking brake cable tension Hitch trailer to tractor. Park trailer and tractor on level surface.

  • Page 104: Pneumatic System Operation

    Pronar T669 SECTION 5 Checking and parking brake adjustment: • every 12 months, • if needed. 5.3 PNEUMATIC SYSTEM OPERATION 5.3.1 PRELIMINARY INFORMATION Work connected with the repair, change or regeneration of system components (brake cylinders, conduits, control valve, braking force regulator etc.) should be entrusted to specialist establishments, having the appropriate technology and qualifications for this type of work.
  • Page 105 SECTION 5 Pronar T669 Start tractor in order to supplement air in trailer brake system tank. In single conduit systems air pressure should amount to approx. 5.8 bar. In double conduit systems air pressure should amount to approx. 8 bar.

  • Page 106: Cleaning The Air Filters

    Pronar T669 SECTION 5 oil, grease, petrol etc. may cause damage and accelerate the ageing process. Bent conduits, permanently deformed, cut or worn should be replaced. IMPORTANT! Repair, exchange or regeneration of pneumatic system components may only be performed in a specialised workshop.

  • Page 107: Draining Water From Air Tank

    SECTION 5 Pronar T669 Required service actions Reduce pressure in supply conduit. Reduction of pressuring conduit may be achieved by pressing the head of the pneumatic connection to resistance point. Remove securing slide (1) – figure (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.

  • Page 108: Cleaning Drain Valve

    Pronar T669 SECTION 5 Required service actions Open out drain valve (1) placed in lower part of tank (2). The compressed air in the tank causes the removal of water to the exterior. After release valve stem should automatically close and stop airflow from tank.

  • Page 109: Cleaning And Maintaining Pneumatic Conduit

    SECTION 5 Pronar T669 5.3.6 CLEANING AND MAINTAINING PNEUMATIC CONDUIT CONNECTIONS AND PNEUMATIC SOCKETS DANGER Unreliable and dirty trailer connections may cause unreliability and faulty functioning of braking system. Damaged connection body or connection socket to second trailer should be replaced. In event of damage to cover or seal, change these elements for new reliable elements.

  • Page 110: Hydraulic System Operation

    Pronar T669 SECTION 5 The ends of the pneumatic conduit (1) must be cut exactly at right angles. Clamping ring (3) should be fitted according to figure (5.10). Reinforcing sleeve (4) of the conduit must be thoroughly depressed. Check tightness of connections in accordance with Chapter (5.3.2).

  • Page 111: Checking Hydraulic System Tightness

    SECTION 5 Pronar T669 • inspecting and checking air tightness of system. • Checking technical condition of hydraulic connections. DANGER Do NOT tip trailer with unreliable hydraulic tipping system. Do not use the trailer if the support hydraulic system is out of order.

  • Page 112: Checking Technical Condition Of Hydraulic

    Pronar T669 SECTION 5 5.4.3 CHECKING TECHNICAL CONDITION OF HYDRAULIC CONNECTIONS AND SOCKETS Hydraulic connections and sockets designed for connection with second trailer must be in good working condition and kept clean. Each time before connecting check if socket in tractor or connection of second trailer are maintained in good working condition.
  • Page 113 SECTION 5 Pronar T669 IMPORTANT! Do NOT travel with unreliable lighting system. Damaged lamp lenses, and burned-out bulbs must be replaced immediately before travelling. Lost or damaged reflective lights must be replaced. Required service actions Hitch trailer to tractor with appropriate connection lead.

  • Page 114: Change Bulbs

    Pronar T669 SECTION 5 5.5.2 CHANGE BULBS Bulb set is presented in table (5.3). All light lenses are secured by screws and it is not necessary to dismantle whole lamp or trailer subassemblies. TAB. 5.3 List of bulbs NUMBER BULB / QUANTITY...
  • Page 115 SECTION 5 Pronar T669 ITEM LUBRICATION POINT Brake expander arm Parabolic leaf springs Sockets for installation of tipping ram and cylinder suspension Tipping ram cylinder ball bearing Parking brake mechanism Parking brake guide roller pins Leaf spring absorber sliding surface...
  • Page 116 Pronar T669 SECTION 5 ITEM LUBRICATION POINT Securing hook pins Tailgate wing securing pin Ladder pin and catch Slide gate guides Slide gate pull shaft pins Rocker arm pin Lubrication periods – M months, D – days, – not shown in figure TAB.
  • Page 117 SECTION 5 Pronar T669 FIG. 5.11 Trailer's lubrication points, part 1 5.29...
  • Page 118 Pronar T669 SECTION 5 FIG. 5.12 Trailer's lubrication points, part 2 5.30...
  • Page 119 SECTION 5 Pronar T669 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 120: Consumables

    Pronar T669 SECTION 5 5.7 CONSUMABLES 5.7.1 HYDRAULIC OIL Always adhere to the principle that the oil in the trailer hydraulic system and in the tractor hydraulic system are of the same type. In the event of application of different types of oil make certain that both hydraulic substances may be mixed together.

  • Page 121: Lubricants

    SECTION 5 Pronar T669 with the use of carbon dioxide, foam or extinguisher steam. Do not use water to quench oil fires. 5.7.2 LUBRICANTS For parts under great load it is recommended to apply lithium grease with molybdenum disulphide (MOS ) or graphite additive.
  • Page 122 Pronar T669 SECTION 5 • Do not direct water stream directly at system and equipment elements of trailer i.e. control valve, braking force regulator, brake cylinders, hydraulic cylinders, pneumatic, electric and hydraulic plugs, lights, electrical connections, information and warning decals, identification plates, conduit connections, leaf springs and trailer lubrication points etc.

  • Page 123: Storage

    SECTION 5 Pronar T669 • Observe environmental protection principles and wash trailer in a place designated for such purpose. • Washing and drying trailer must take place at temperatures above 0°C. • After washing and drying, trailer should be greased at all control points regardless of last lubrication period.
  • Page 124 Pronar T669 SECTION 5 most frequently applied nut and bolt connections are given in table below. Given values apply to non-lubricated steel bolts. TAB. 5.7 Tightening torque for nut and bolt connections 10.9 THREAD METRIC Md [Nm] 1,050 1,150 1,650...

  • Page 125: Installation And Disassembly Of Extension Walls

    SECTION 5 Pronar T669 5.11 INSTALLATION AND DISASSEMBLY OF EXTENSION WALLS Extension mounting Install six wall extension supports (8) on the rear and lateral 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.
  • Page 126 Pronar T669 SECTION 5 FIG. 5.14 Load box with 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 5.38...

  • Page 127: Installation And Disassembly Of The Frame And Tarpaulin Cover

    SECTION 5 Pronar T669 ATTENTION! When operating the trailer, pay close attention to proper installation of wall extensions, securing of individual segments, and make sure that any loose nuts are tightened. DANGER Assembly and disassembly of wall extensions should be carried out with the use of appropriate platforms, ladders or when standing on a ramp.
  • Page 128 Pronar T669 SECTION 5 Install tarpaulin fastening straps (7) to mounting riveted to the right side wall extensions. Unroll tarpaulin using and secure with fastening straps (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.

  • Page 129: Adjustment Of Drawbar Position

    SECTION 5 Pronar T669 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.

  • Page 130: Troubleshooting

    Pronar T669 SECTION 5 Extent of activity Immobilise trailer with parking brake. Place wheel chocks under trailer wheels. Unscrew drawbar eye (1) and remove from faceplate (2). Set the drawbar eye in its new position and tighten with bolts (3) using appropriate torque.
  • Page 131 SECTION 5 Pronar T669 FAULT CAUSE REMEDY Check pressure on tractor pressure gauge, wait till compressor fills tank to required pressure. Damaged air compressor in Poor reliability of braking Insufficient pressure in tractor Repair or replace. system system Damaged brake valve in tractor.
  • Page 132 Pronar T669 SECTION 5 5.44...
  • Page 133 NOTES …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………...
  • Page 134 …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………...
  • Page 135 Wheel 385 / 65 R22,5reg. 160F TL Wheel 425 / 65 R22,5reg. 168F Wheel 445 / 65 R22,5reg. 170F TL Wheel 500 / 60-22,5 165A8 T669 Wheel 550 / 60-22,5 163A8 16PR Wheel 560 / 60 R22,5 161D Wheel 20.5 R22.5reg. (50 x 20.0 R22) 173A8 Wheel 600 / 50-22,5 165A8 Wheel 600 / 55-22.5 16PR 169A8...

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