PRONAR T683 Operator's Manual
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PRONAR T683 Operator's Manual

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ISSUE 1A-03-2015
PRONAR Sp. z o.o.
17-210 NAREW, UL. MICKIEWICZA 101A, WOJ. PODLASKIE, POLAND
Phone.:
Fax:
OPERATOR'S MANUAL
PRONAR T683
TRANSLATION OF THE ORIGINAL DOCUMENT
+48 085 681 63 29
+48 085 681 63 81
+48 085 681 63 83
TRAILER
PUBLICATION NO. 511N-00000000-UM
+48 085 681 64 29
+48 085 681 63 82
+48 085 682 71 10
www.pronar.pl
EN

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Summary of Contents for PRONAR T683

  • Page 1 PRONAR Sp. z o.o. 17-210 NAREW, UL. MICKIEWICZA 101A, WOJ. PODLASKIE, POLAND Phone.: +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 and operation rules of Pronar T683 trailer. If the information contained in the Operator's Manual needs clarification, the user should refer for assistance to the sale point where the machine was purchased or to the manufacturer.
  • Page 4 SYMBOLS USED IN THIS MANUAL Information, descriptions of danger, precautions, recommendations and orders associated with user safety instructions are indicated as follows: and 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 indicated with the sign: and preceded by the word "ATTENTION".
  • Page 5 DETERMINING THE DIRECTIONS FOR THE MANUAL'S NEEDS Left side — a left hand side of the person facing the machine's forward travel direction. Right side — a right hand side of the person facing the machine's forward travel direction. SCOPE OF OPERATION STEPS Operation steps are indicated with the following sign: The result of an operation/adjustment task or any notes on execution of the tasks performed is indicated with the sign...

  • Page 7: Table Of Contents

    TABLE OF CONTENTS BASIC INFORMATION 1.1 IDENTIFICATION 1.1.1 TRAILER IDENTIFICATION 1.1.2 AXLE IDENTIFICATION 1.1.3 LIST OF FACTORY NUMBERS 1.2 PROPER USE 1.3 EQUIPMENT 1.4 TERMS & CONDITIONS OF WARRANTY 1.5 TRANSPORT 1.11 1.5.1 TRANSPORT ON VEHICLE. 1.11 1.5.2 INDEPENDENT TRANSPORT BY THE USER. 1.13 1.6 ENVIRONMENTAL HAZARDS 1.13...
  • Page 8 DESIGN AND OPERATION 3.1 TECHNICAL SPECIFICATION 3.2 TRAILER CONSTRUCTION 3.2.1 CHASSIS 3.2.2 LOAD BOX 3.2.3 MAIN BRAKE 3.2.4 HYDRAULIC TIPPING SYSTEM 3.16 3.2.5 SHEAR TYPE DRAWBAR SUPPORT HYDRAULIC SYSTEM 3.17 3.2.6 HYDRAULIC SIDE WALL UNLOCKING SYSTEM 3.19 3.2.7 FEEDER UNIT 3.20 3.2.8 PARKING BRAKE...
  • Page 9 5.2 SERVICING BRAKES AND AXLES 5.2.1 PRELIMINARY INFORMATION 5.2.2 CHECKING SLACKNESS OF WHEEL AXLE BEARINGS 5.2.3 ADJUSTMENT OF AXLE BEARING SLACKNESS 5.2.4 MOUNTING AND DISMOUNTING WHEEL, INSPECTION OF WHEEL NUT TIGHTENING. 5.2.5 CHECKING AIR PRESSURE IN TYRES, EVALUATING TECHNICAL CONDITION OF TYRES AND STEEL WHEELS 5.2.6 CHECKING THICKNESS OF BRAKE SHOE LININGS 5.10...
  • Page 10 5.6 TRAILER LUBRICATION 5.28 5.7 CONSUMABLES 5.33 5.7.1 HYDRAULIC OIL 5.33 5.7.2 LUBRICANTS 5.34 5.8 CLEANING TRAILER 5.34 5.9 STORAGE 5.36 5.10 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5.36 5.11 INSTALLATION AND DISASSEMBLY OF THE FRAME AND TARPAULIN COVER 5.38 5.12 INSTALLATION AND DISASSEMBLY OF WALL EXTENSIONS 5.40...
  • Page 11 SECTION BASIC INFORMATION...

  • Page 12: Identification

    Pronar T683 SECTION 1 1.1 IDENTIFICATION 1.1.1 TRAILER IDENTIFICATION FIGURE 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 T683 OPERATOR'S MANUAL. The meanings of the individual fields found on the data plate are presented in the table below: TABLE 1.1 Markings on data plate ITEM MARKING General description and purpose Symbol /Type Year of manufacture...

  • Page 14: List Of Factory Numbers

    Pronar T683 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 FRONT AXLE FACTORY NUMBER...
  • Page 15 SECTION 1 Pronar T683 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 T683 SECTION 1 • only hitch the trailer to an agricultural tractor, which fulfils all the requirements made by the trailer's Manufacturer. TABLE 1.2 Agricultural tractor's requirements CONTENTS UNIT REQUIREMENTS Brake system - sockets Pneumatic system 1 conduit according to ISO 1728...
  • Page 17 SECTION 1 Pronar T683 • have been trained in trailer operation and safe operation, • have the required authorisation to drive and are familiar with the road traffic regulations and transport regulations. Tractor requirements depend on trailer accessories. 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: Equipment

    Pronar T683 SECTION 1 TABLE 1.4 Recommended types of pallets LENGTH WIDTH HEIGHT PALLET NAME - TYPE [MM] [MM] [MM] EUR-pallet – standard 1 200 EUR-pallet – ½ EUR-pallet – extended 1 200 1 200 1.3 EQUIPMENT TABLE 1.5 Trailer optional equipment EQUIPMENT •...

  • Page 19: Terms & Conditions Of Warranty

    Information concerning tires is provided at the end of this publication in ANNEX A. 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 specified in the WARRANTY BOOK.
  • Page 20 Pronar T683 SECTION 1 • brake shoes, • bulbs and LED lamps, • seals, • bearings. The warranty service only applies to factory defects and mechanical damage that is not due to the user's fault. In the event of damage arising from: •...

  • Page 21: Transport

    SECTION 1 Pronar T683 1.5 TRANSPORT The trailer is ready for sale completely assembled and does not require packing. Packing is only required for the machine's technical documentation and any extra fittings. The trailer is delivered to the user either transported on a vehicle or, after being attached to a tractor, independently (trailer towed with a tractor).
  • Page 22 Pronar T683 SECTION 1 connected 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.

  • Page 23: Independent Transport By The User

    SECTION 1 Pronar T683 DANGER Incorrect application of securing measures may cause an accident. 1.5.2 INDEPENDENT TRANSPORT BY THE USER. IMPORTANT Before transporting independently, the tractor driver must carefully read this operator's manual and observe its recommendations. 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 24: Withdrawal From Use

    Pronar T683 SECTION 1 While carrying out maintenance and repair work, which involves the risk of an oil leak, this work should take place on an oil resistant floor or surface. In the event of oil leaking into the environment, first of all contain the source of the leak, and then collect the leaked oil using available means.
  • Page 25 SECTION 1 Pronar T683 DANGER Avoid contact of skin with oil. Do not allow used hydraulic oil to spill. 1.15...
  • Page 26 Pronar T683 SECTION 1 1.16...

  • Page 27: Safety Advice

    SECTION SAFETY ADVICE...

  • Page 28: Basic Safety Rules

    Pronar T683 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 29: Hitching And Disconnecting From Tractor

    SECTION 2 Pronar T683 • The user is obliged to acquaint himself with the construction, action and the principles of safe usage of the trailer. 2.1.2 HITCHING AND DISCONNECTING FROM TRACTOR • Do NOT hitch the trailer to tractor if the tractor does not fulfil the requirements specified by the Manufacturer (minimum tractor power demand, wrong hitch, etc.)

  • Page 30: Hydraulic And Pneumatic Systems

    Pronar T683 SECTION 2 • Only trailer built on a double axle chassis with permissible total weight described in table (1.3) may be hitched to the trailer. • Before hitching the trailer check that both machines are in good technical condition.

  • Page 31: Loading And Unloading

    SECTION 2 Pronar T683 with skin wash the area of contact with water and soap. Do NOT apply organic solvents (petrol, kerosene). • Use the hydraulic oil recommended by the Manufacturer. • 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.
  • Page 32 Pronar T683 SECTION 2 • Unloading and loading of trailer may only take place when the machine is positioned on level and hard surface and connected to tractor. Tractor and trailer must be placed to drive forwards. • Ensure that during unloading / loading or raising the load box nobody is near the trailer.

  • Page 33: Transporting The Machine

    SECTION 2 Pronar T683 • Do NOT raise the load box if there is any danger whatsoever that the load box will tip over. • Do NOT tip the loaded load box when the walls are closed. • Do NOT jerk the trailer forwards if load is bulky or reluctant to pour and does not unload.
  • Page 34 Pronar T683 SECTION 2 • Vertical load borne by the trailer drawbar eye affects the steering of the agricultural tractor. FIGURE 2.1 Method of placing chocks (1) wheel chock • Do NOT move off or drive when load box is raised.
  • Page 35 SECTION 2 Pronar T683 • The trailer is designed to operate on slopes up to 5°. When driving across such slopes, adjust speed to the terrain conditions and exercise particular caution. Driving trailer across terrain with steeper slopes may cause the trailer to tip over as a result of loss of stability.

  • Page 36: Tyres

    Pronar T683 SECTION 2 • A load protruding beyond the edge of the trailer should be marked according to the road traffic regulations. Do NOT transport loads forbidden by the Manufacturer. • 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.

  • Page 37: Maintenance

    SECTION 2 Pronar T683 should be repeated individually if a wheel has been removed from the wheel axle. Wheel nuts should be tightened according to recommendations provided in section 5 MAINTENANCE. • Avoid potholes, sudden manoeuvres or high speeds when turning.
  • Page 38 Pronar T683 SECTION 2 • Before beginning work, which requires raising the load box, it should be emptied and secured with the support leg. The trailer must at this time be hitched to the tractor and secured with chocks and parking brake.

  • Page 39: Description Of Residual Risk

    2.2 DESCRIPTION OF RESIDUAL RISK Pronar Sp. z o. o. in Narew has made every effort to eliminate the risk of accidents. There is, however, a certain residual risk, which could lead to an accident, and this is connected mainly with the actions described below: •...

  • Page 40: 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...
  • Page 41 SECTION 2 Pronar T683 once again with the appropriate safety signs. During trailer cleaning do not use solvents which may damage the coating of information label stickers and do not subject them to strong water jets. TABLE 2.1 Information and warning decals...
  • Page 42 Pronar T683 SECTION 2 ITEM DECAL MEANING Before climbing onto the trailer, turn off tractor engine and remove key from ignition. Caution! Danger of electric shock. Keep a safe distance from overhead electric power lines during unloading. Danger of crushing...
  • Page 43 SECTION 2 Pronar T683 ITEM DECAL MEANING Grease the trailer according to the recommendations in the Operator's Manual Conduit supplying hydraulic brake system. Conduit supplying hydraulic tipping system. Guideline specific weight of selected goods. Position of the control valve for the hydraulic tipping system.
  • Page 44 Pronar T683 SECTION 2 ITEM DECAL MEANING Conduit supplying hydraulic support leg system. Return conduit (drain) of the support leg hydraulic system. Permissible gross weight of the trailer. Maximum design speed. Hydraulic conduit of the load box wall locking system.
  • Page 45 SECTION 2 Pronar T683 FIGURE 2.3 Locations of information and warning decals. 2.19...
  • Page 46 Pronar T683 SECTION 2 2.20...

  • Page 47: Design And Operation

    SECTION DESIGN AND OPERATION...

  • Page 48: Technical Specification

    Pronar T683 SECTION 3 3.1 TECHNICAL SPECIFICATION TABLE 3.1 Basic technical specification CONTENTS UNIT Trailer dimensions Total length 6 800 Total width 2 550 Total height 2 790 Internal load box dimensions Length 5 100 Width 2 420 Height 800 + 600...

  • Page 49: Trailer Construction

    SECTION 3 Pronar 683 3.2 TRAILER CONSTRUCTION 3.2.1 CHASSIS Trailer chassis consists of subassemblies indicated in figure (3.1). Lower frame (1) is a structure welded from steel sections. The main support elements are two longitudinal members connected with crossbars. In the middle section there is a socket (2) used for mounting of the hydraulic tipping cylinder.
  • Page 50 Pronar T683 SECTION 3 FIGURE 3.1 Trailer chassis (1) lower frame, (2) tipping cylinder socket, (3) lights support beam, (4) wheel axle, (5) wheel, (6) tension rod, (7) rear beam, (8) front crossbar, (9) hitch, (10) load box support, (11) parking...

  • Page 51: Load Box

    Pronar 683 3.2.2 LOAD BOX T683 trailer's load box consists of: upper frame (1) – figure (3.2) with welded steel floor, side walls (2) with middle stakes (9), front wall (4), and 800 mm-high rear wall (5). As standard, the trailer is equipped with a set of wall extensions (3) of steel sheet profile and height of 600 mm.
  • Page 52 Pronar T683 SECTION 3 FIGURE 3.2 Load box – rear view (1) upper frame, (2) side wall, (3) set of wall extensions, (4) front wall, (5) rear wall, (6) fenced platform (7) lower ladder (8), upper ladder, (9) middle stake, (10) hinge eye (11) linking cable,...
  • Page 53 SECTION 3 Pronar 683 FIGURE 3.3 Rear wall slide gate (1) chute slide gate, (2) chute, (3) lever, (4) locking bolt In order to enable very precise unloading of loose materials there is a slide opening placed in the rear wall (1) – figure (3.3), which is raised using lever (3). When in upper position and also during transport the slide must be secured by tightening the locking screw (4).

  • Page 54: Main Brake

    Pronar T683 SECTION 3 3.2.3 MAIN BRAKE The trailer is equipped with one of the five types of main brake: • single conduit pneumatic system with manual three position regulator, figure (3.4), • double conduit pneumatic system with manual three position regulator, figure (3.5),...
  • Page 55 SECTION 3 Pronar 683 FIGURE 3.4 Design and diagram of the single conduit pneumatic brake system (1) air tank, (2) control valve, (3) braking force regulator, (4) pneumatic cylinder, (5) conduit connector (black), (6) air filter, (7) air tank control connector, (8) pneumatic cylinder control...
  • Page 56 Pronar T683 SECTION 3 FIGURE 3.5 Design and diagram of double line pneumatic braking system with manual braking force regulator (1) air tank, (2) control valve, (3) automatic braking force regulator, (4) pneumatic cylinder, (5) conduit connector (red), (6) conduit connector (yellow), (7) air filter, (8) air tank control...
  • Page 57 SECTION 3 Pronar 683 FIGURE 3.6 Design and diagram of double line pneumatic braking system with automatic braking force regulator (1) air tank, (2) control valve, (3) automatic braking force regulator, (4) pneumatic cylinder, (5) conduit connector (red), (6) conduit connector (yellow), (7) air filter, (8) air tank control...
  • Page 58 Pronar T683 SECTION 3 FIGURE 3.7 Design and diagram of hydraulic braking system (1) electro-hydraulic brake valve, (2) hydraulic cylinder, (3) hydraulic quick coupler, (3) hydraulic socket, (4) hydraulic accumulator, (5) socket, (6) valve connection conduit, (7) information decal 3.12...
  • Page 59 SECTION 3 Pronar 683 FIGURE 3.8 Design and diagram of combined braking system (pneumatic- hydraulic braking system) (1) electro-hydraulic brake valve, (2) braking force regulator, (3) control valve, (4) air tank, (5) hydraulic accumulators, (6) relay valve, (7) pneumatic cylinder, (8) electric connection,...
  • Page 60 Pronar T683 SECTION 3 Three-step braking force regulator (2)- figure (3.9) 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”...
  • Page 61 SECTION 3 Pronar 683 FIGURE 3.10 Electro-hydraulic brake valve (1) electro-hydraulic valve, (2) valve operation selection lever, (3) release button, (4) electric coil, (A) "NO LOAD" position, (B) "HALF LOAD" position, (C) "FULL LOAD" position Valve used in the system is equipped with release button (3) causing the brakes to be applied when trailer is disconnected from the tractor.

  • Page 62: Hydraulic Tipping System

    Pronar T683 SECTION 3 Electro-hydraulic brake valve (1)- figure (3.10) adjusts braking force depending on setting. Switching to a suitable working mode is done manually by machine operator using the lever (2) prior to moving off. Three working positions are available: A - "no load”, B - "half load”...

  • Page 63: Shear Type Drawbar Support Hydraulic System

    SECTION 3 Pronar 683 Hydraulic tipping system, figure (3.11), is used for 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.
  • Page 64 Pronar T683 SECTION 3 The system is equipped with a hydraulic lock (5) located on the cylinder (4). Application of hydraulic lock improves safety of trailer operation. During raising or lowering, the support may damage conduits (rupture, loss of tightness). In such a case, the hydraulic lock will lock cylinder (4) in a fixed position.

  • Page 65: Hydraulic Side Wall Unlocking System

    SECTION 3 Pronar 683 3.2.6 HYDRAULIC SIDE WALL UNLOCKING SYSTEM FIGURE 3.13 Design of hydraulic side wall unlocking system (1) quick coupler, (2) hydraulic conduit, (3) cylinder, (4) information decal The hydraulic side wall unlocking system is filled with L-HL32 Lotos hydraulic oil.

  • Page 66: Feeder Unit

    Pronar T683 SECTION 3 tractor's hydraulic system. Hydraulic oil selective control valve of the tractor's external hydraulic system is used to control the side wall opening mechanism. By delivering oil from the tractor selective control valve to hydraulic cylinders of the system, you can unlock the left, right or both side walls of the trailer load box, depending on the system version.
  • Page 67 SECTION 3 Pronar 683 FIGURE 3.14 Design of the feeder's hydraulic system (1) auger, (2) hydraulic motor, (3) hydraulic valve, (4) feeder guide, (5) winch, (6) return conduit, (7) supply conduit, (8) protection, (9) cable DANGER Pay special attention to overhead electric power lines when operating the feeder.

  • Page 68: Parking Brake

    Pronar T683 SECTION 3 3.2.8 PARKING BRAKE The parking brake is used to immobilise and prevent the trailer from moving while standing motionless. The trailer is equipped with parking brake with crank mechanism – figure (3.15). To immobilise the trailer turn the mechanism crank (1) clockwise fully home. When rotating the crank, tension of the steel cable (2) stretches another cable routed through rollers (3).

  • Page 69: Lighting System

    SECTION 3 Pronar 683 3.2.9 LIGHTING SYSTEM TABLE 3.2 List of electrical component markings SYMBOL FUNCTION Rear right lamp assembly Rear left lamp assembly Front seven pin socket Rear seven pin socket Right license plate light Left license plate light...
  • Page 70 Pronar T683 SECTION 3 FIGURE 3.16 Electrical system concept diagram Marking according to table (3.2) The trailer electrical system is designed for supply from direct current source of 12 V. Connection of the trailer electrical system with the tractor should be made through an appropriate connection lead delivered with the new trailer.
  • Page 71 SECTION 3 Pronar 683 FIGURE 3.17 Arrangement of electrical system components – rear view (1) rear left lamp assembly, (2) rear right lamp assembly, (3) license plate light, (4) rear 7-pin socket, (5) rear left clearance lamp, (6) rear right clearance lamp, (7) right side clearance lamp 3.25...
  • Page 72 Pronar T683 SECTION 3 FIGURE 3.18 Arrangement of electrical system components – front view (1) front right parking light, (2) right side clearance lamp, (3) front 7-pin socket, (4) connection lead 3.26...

  • Page 73: Correct Use

    SECTION CORRECT USE...

  • Page 74: Preparing For Work Before First Use

    Pronar T683 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 use. This does not release the user from an obligation to check the machine's condition after delivery and before first use.

  • Page 75: Prepare A Trailer For First Hitching To Tractor

    SECTION 4 Pronar T683 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 76 Pronar T683 SECTION 4 Turn hydraulic tipping system valve to position 1. Conduct test tipping of load box backwards and sideways. When moving off check if the main brakes operate correctly. Perform test drive. Operating activities: hitching/unhitching from tractor, adjustment of draw bar position, tipping of load box etc.

  • Page 77: Hitching And Disconnecting The Trailer From Tractor

    SECTION 4 Pronar T683 4.2 HITCHING AND DISCONNECTING THE TRAILER FROM TRACTOR Ensure that pneumatic, hydraulic and electric connections and the hitch of agricultural tractor are according to the Manufacturer's requirements, if not the trailer should not be hitched to the tractor.
  • Page 78 Pronar T683 SECTION 4 FIGURE 4.1 Trailer support (1) shear type support, (2) cylinder, (3), (4) conduits, (5), (6) information decals Connect pneumatic system conduits (applies to single conduit pneumatic system): Connect pneumatic conduit marked black with black socket in tractor.
  • Page 79 SECTION 4 Pronar T683 Hydraulic braking system conduit is marked with information decal (9) – table (2.1) chapter 2. Connect connection lead of solenoid valve (8) – figure (3.8). Connect hydraulic tipping system conduits. Hydraulic tipping system conduit is marked with information decal (10) –...
  • Page 80 Pronar T683 SECTION 4 Lower the support. By manipulating hydraulic selective control valve levers, set the drawbar eye at such a height that one may safely unlock and unhitch the trailer. Turn off tractor engine. Ensure that unauthorised persons do not have access to the tractor cab.

  • Page 81: Coupling And Uncoupling Second Trailer

    SECTION 4 Pronar T683 Disconnect pneumatic conduit marked yellow. Disconnect the hydraulic braking system conduit that is marked with information decal (9) – table (2.1) section 2. Disconnect connection lead of solenoid valve (8) – figure (3.8). Disconnect the conduits of the support hydraulic system.
  • Page 82 Pronar T683 SECTION 4 Remove pin from the hitch of the first trailer. If the trailer is equipped with automatic rear hitch, lift the pin by the handle (4) - figure (4.2). Adjust the height of the drawbar of the second trailer in such a manner to enable coupling the machines.

  • Page 83: Loading And Securing Load

    SECTION 4 Pronar T683 Disconnecting the second trailer Immobilise tractor and trailers with parking brake. Turn off tractor engine. Ensure that unauthorised persons do not have access to the tractor cab. Disconnect conduits of pneumatic, hydraulic and electrical systems according to instructions contained in section (4.2)
  • Page 84 Pronar T683 SECTION 4 Materials, which in contact with painted or steel surfaces may cause damage, should be transported in sealed packaging (bags, boxes, barrels, etc.). After unloading, the load box should be thoroughly cleaned with a strong jet of water.
  • Page 85 SECTION 4 Pronar T683 VOLUME WEIGHT TYPE OF MATERIAL KG/M compost 950 – 1 100 dry peat 500 - 600 Mineral fertilisers: ammonium sulphate 800 - 850 potash salt 1 100 – 1 200 super phosphate 850 – 1 440 basic slag phosphate 2 000 –...
  • Page 86 Pronar T683 SECTION 4 VOLUME WEIGHT TYPE OF MATERIAL KG/M stored dry hay 50 - 90 stored cut hay 90 - 150 clover (lucerne) wilted in the swath 20 - 25 clover (lucerne) cut wilted on trailer 110 - 160...
  • Page 87 SECTION 4 Pronar T683 VOLUME WEIGHT TYPE OF MATERIAL KG/M pressed sugar beet pulp 750 - 800 dry sugar beet pulp 350 - 400 bran 320 - 600 bone meal 700 – 1 000 pasture salt 1 100 – 1 200 molasses 1 350 –...
  • Page 88 Pronar T683 SECTION 4 ATTENTION The trailer is designed for transport of harvested crops and agricultural products (loose and bulky). 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.).
  • Page 89 SECTION 4 Pronar T683 preparation of the load box may cause indentation of the floor or sidewalls and abrasion of paintwork. In order to protect it, lay thick plywood, hard particle board, thick planks or other materials of similar properties on the load box platform and possibly on walls and wall extensions.
  • Page 90 Pronar T683 SECTION 4 whole surface of the trailer floor. Otherwise, during travel the load will move. With regard to the trailer construction (adaptation of the load box to the transport of agricultural crops and products, lack of load securing points), materials in packaging may not be loaded above the top of the walls or extensions of load box.

  • Page 91: Transporting Loads

    SECTION 4 Pronar T683 DANGER The trailer is not intended to transport people, animals or hazardous materials (with the exception of loads specified in section 4.4). The arrangement of the load may not cause an overload on the axle or hitch system of the trailer.
  • Page 92 Pronar T683 SECTION 4 machine malfunction, pull over on the hard shoulder avoiding any risk to other road users and position reflective warning triangle according to traffic regulations. • When driving on public roads, the trailer must be marked with a slow-moving vehicle warning sign attached to the rear wall of load box, if the trailer is the last vehicle in the group.

  • Page 93: Unloading

    SECTION 4 Pronar T683 • 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 5° . Driving trailer across ground with steeper slopes may cause the trailer to tip over as a result of loss of stability.
  • Page 94 Pronar T683 SECTION 4 The trailer is equipped with hydraulic tipping system as well as the frame and the load box with proper structure allowing tipping sideways and to the rear. Tipping of the load box is controlled from driver's cab using external tractor hydraulic system selective control valve.
  • Page 95 SECTION 4 Pronar T683 FIGURE 4.4 Locks of load box sides and extensions (1) front left wall locking lever, (2) rear wall locking lever, (3) rear left wall locking lever, (4) side wall lock (rear left), (5) rear wall lock (left), (6) wall extensions hinge unload the load by tipping the load box by means of hydraulic cylinder.
  • Page 96 Pronar T683 SECTION 4 after unloading, lower the load box completely, clean the residual material from the load box edges and walls, close and secure the walls and wall extensions or chute opening, before moving off, make sure that the tipping pins are protected by cotter pins.
  • Page 97 SECTION 4 Pronar T683 FIGURE 4.5 Locks of load box walls and wall extensions (1) rear side wall closing lever, (2), side wall lock, (3) side wall extension lock, (4) rear wall lock, (5) rear wall closing lever, (6) rear wall extension lock...
  • Page 98 Pronar T683 SECTION 4 Rear load box wall is equipped with chute slide gate (1) – figure (4.6) and chute opening (2) (optional equipment) which are used for unloading loose materials. Chute design allows very accurate dosing of the material to packaging (sacks, boxes etc.). The opening gap can be controlled using lever (3).

  • Page 99: Proper Use And Maintenance Of Tyres

    SECTION 4 Pronar T683 embracing the whole load box width. Final equipment of the trailer depends on the customer's requirements. DANGER When closing the rear chute gate or the walls take particular care to avoid crushing fingers. Ensure that during unloading nobody is near tipped load box or load material pouring out.

  • Page 100: Using Under-Run Protective Devices

    Pronar T683 SECTION 4 • Air pressure in tyres should be also checked during the whole day of intensive work. Please note that higher temperatures could raise tyre pressure by as much as 1 bar. At high temperatures and pressure, reduce load or speed.
  • Page 101 SECTION 4 Pronar T683 FIGURE 4.7 Under-run protective device, left (1) under-run protective device, left, (2) barrier bracket support, (3) clamp, (4) latch, (5) securing pin 4.29...
  • Page 102 Pronar T683 SECTION 4 DANGER Do NOT move off or drive when under-run protection device is raised. Before driving, make sure that under-run protection devices are lowered and locked in the lower position. Unless necessary, do not leave the under-run protection device in the raised position.

  • Page 103: Maintenance

    SECTION MAINTENANCE...

  • Page 104: Preliminary Information

    Pronar T683 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 105: Checking Slackness Of Wheel Axle Bearings

    SECTION 5 Pronar T683 • other axle repairs, may be performed by specialist workshops. DANGER Do NOT use the trailer when brake system is unreliable. 5.2.2 CHECKING SLACKNESS OF WHEEL AXLE BEARINGS FIGURE 5.1 Lifting jack support point (1) wheel axle, (2) U bolt, (3) lower frame Preparation procedures Hitch trailer to tractor, immobilize tractor with parking brake.
  • Page 106 Pronar T683 SECTION 5 Place chocks under the trailer's wheel that will not be raised. 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 under the axle between U bolts (2) - figure (5.1) securing axle (1) to leaf springs.

  • Page 107: Adjustment Of Axle Bearing Slackness

    SECTION 5 Pronar T683 Check wheel axle bearings for slackness • after travelling the first 1,000 km, • after intensive use of trailer, • every six months use or every 25,000 km. Check condition of hub cover, if necessary replace with new cover. Inspection of bearing slackness may only be conducted, when the trailer is hitched to a tractor, and the load box is empty.
  • Page 108 Pronar T683 SECTION 5 Secure castellated nut with cotter pin and mount hub cap. Delicately tap hub cap with rubber or wooden hammer. The wheel should turn smoothly without stiffness or detectable resistance not originating from abrasion of brake shoes in brake drum. Adjustment of bearing slackness may only be conducted, when the trailer is hitched to a tractor and the load box is empty.

  • Page 109: Mounting And Dismounting Wheel, Inspection Of Wheel Nut Tightening

    SECTION 5 Pronar T683 5.2.4 MOUNTING AND DISMOUNTING WHEEL, INSPECTION OF WHEEL NUT TIGHTENING. Wheel removal Immobilise trailer with parking brake. Place chocks under wheel that will not be dismounted. Ensure that trailer shall not move during wheel dismounting. Loosen wheel nuts according to sequence given in figure (5.3).
  • Page 110 Pronar T683 SECTION 5 the weight of the person (F) tightening the nut. Remember that this method of tightening is not as accurate as the use of a torque spanner. Wheel nuts should be tightened using a torque of 450 Nm - nuts M22x1.5.

  • Page 111: Checking Air Pressure In Tyres, Evaluating Technical Condition Of Tyres And Steel Wheels

    SECTION 5 Pronar T683 TABLE 5.1 Spanner arm WHEEL TIGHTENING TORQUE BODY WEIGHT (F) ARM LENGTH (L) [NM] [KG] 0.75 0.65 0.55 0.50 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.

  • Page 112: Checking Thickness Of Brake Shoe Linings

    Pronar T683 SECTION 5 While checking pressure pay attention to technical condition of wheels and tyres. Look carefully at tyre sides and check the condition of tread. In case of mechanical damage consult the nearest tyre service and check whether the tyre defect requires tyre replacement.

  • Page 113: Adjustment Of Mechanical Brakes

    SECTION 5 Pronar T683 During the trailer operation, drum brake linings are subjected to wear. In such a case, the complete brake shoes should be replaced with new ones. Excessive wear of brake shoes is the condition in which the thickness of linings which are glued or riveted to steel structures of brake shoes is smaller than the minimum value.
  • Page 114 Pronar T683 SECTION 5 FIGURE 5.5 Design of axle brake system (1) expander arm , (2) expander shaft, (3) adjustment bolt, (4) brake cylinder, (5) brake cylinder piston, (6) cylinder fork, (7) fork pin The inspection involves measuring the extension length of each brake cylinder piston while braking at parking.
  • Page 115 SECTION 5 Pronar T683 Immobilise tractor with parking brake. Make sure that the trailer's brakes are not engaged. Secure the trailer against moving by placing wheel chocks. FIGURE 5.6 Principle of brake adjustment (1) brake cylinder piston, (2) brake cylinder membrane, (3) expander arm, (4) adjustment...
  • Page 116 Pronar T683 SECTION 5 Measure the distance between lines (A) and (B). If the brake cylinder piston stroke is outside the proper operating range, adjust the expander arm. Dismantle brake cylinder fork pin. Remember or mark the original position of pin (6) – figure (5.6), brake cylinder fork (5) in expander arm opening (3).

  • Page 117: Replacement Of Parking Brake Cable And Adjustment Of Cable Tension

    SECTION 5 Pronar T683 IMPORTANT The positions for fixing the brake cylinder in the bracket openings and the brake cylinder pin in the expander arm are determined by the Manufacturer and must not be changed. Each time when dismantling the pin or brake cylinder, the original fixing position should be marked.
  • Page 118 Pronar T683 SECTION 5 Before commencing adjustment make certain that the main break is correctly regulated and is functioning properly. Adjustment of parking brake cable tension should be conducted in the event of: • stretching of cable, • loosening of parking brake cable clamps •...

  • Page 119: Pneumatic System Maintenance

    SECTION 5 Pronar T683 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. Place chocks under trailer rear wheel.

  • Page 120: Checking Air Tightness And Visual Inspection Of Pneumatic System

    Pronar T683 SECTION 5 specialist establishments, having the appropriate technology and qualifications for this type of work. The duties of the operator connected with the pneumatic system include: • checking tightness and visual inspection of the system. • cleaning the air filter (filters), •...
  • Page 121 SECTION 5 Pronar T683 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 characteristic hiss. Lack of system tightness may be also detected by covering checked elements with washing fluid or other foaming preparations, which will not react aggressively with system components.

  • Page 122: Cleaning The Air Filters

    Pronar T683 SECTION 5 5.3.3 CLEANING THE AIR FILTERS 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 conduits. Inserts are used many times and are not subject to changing unless they are mechanically damaged.

  • Page 123: Draining Water From Air Tank

    SECTION 5 Pronar T683 Hold the filter cover (2) with the other hand. After removing slide lock, the cover is pushed off by the spring, in the filter housing. The insert and the filter body should be carefully washed out and blown through with compressed air.

  • Page 124: Cleaning Drain Valve

    Pronar T683 SECTION 5 The compressed air in the tank causes the removal of water to the exterior. Released valve stem should automatically close and stop flow of air from the tank. In the event, that the valve stem resists returning to its setting, then the whole drain valve must be unscrewed and cleaned, or replaced (if it is damaged) - see section 5.3.5.

  • Page 125: Cleaning And Maintaining Pneumatic Conduit Connections And Pneumatic Sockets

    SECTION 5 Pronar T683 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 socket for connecting the second trailer should be replaced. In event of damage to cover or seal, change these elements for new reliable elements.

  • Page 126: Hydraulic System Maintenance

    Pronar T683 SECTION 5 FIGURE 5.11 Installation of the pneumatic conduit (1) push-in fitting, (2) pneumatic conduit Push-in fittings are used for connecting conduits with pneumatic system components. The fittings enable simple, fast and tight connection by pushing the conduits in. If leaks appear at connections, the user may tighten the fitting by himself using tightening torque according to table (5.3).

  • Page 127: Checking Hydraulic System Tightness

    SECTION 5 Pronar T683 DANGER Do NOT tip trailer with unreliable hydraulic tipping system. Do not use the trailer if the support hydraulic system is out of order. Do NOT use the trailer if hydraulic brake system is unreliable. The hydraulic system is under high pressure when operating.

  • Page 128: Checking Technical Condition Of Hydraulic Connections And Sockets

    Pronar T683 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 129 SECTION 5 Pronar T683 IMPORTANT Do NOT travel with unreliable lighting system. Damaged lamp lenses and burnt-out LED bulbs must be replaced immediately before travelling. Required maintenance actions Hitch trailer to tractor with appropriate connection lead. Check if the connection lead is reliable. Check connection sockets in tractor and trailer.

  • Page 130: Trailer Lubrication

    Pronar T683 SECTION 5 5.6 TRAILER LUBRICATION 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 131 SECTION 5 Pronar T683 ITEM LUBRICATION POINT Sockets for installation of tipping cylinder and cylinder suspension Tipping cylinder ball bearing Parking brake mechanism Parking brake guide roller pins Articulated joint and sockets for installation of load box Extension wall hinges...
  • Page 132 Pronar T683 SECTION 5 ITEM LUBRICATION POINT Rear wall locking lever Front side wall locking lever Rear side wall locking lever Drawbar sliding surface Lubrication periods – M months, D – days FIGURE 5.12 Recommended lubricants LISTED ON DESCRIPTION TAB. (5.4)
  • Page 133 SECTION 5 Pronar T683 FIGURE 5.13 Trailer's lubrication points, part 1 5.31...
  • Page 134 Pronar T683 SECTION 5 FIGURE 5.14 Trailer's lubrication points, part 2 5.32...

  • Page 135: Consumables

    SECTION 5 Pronar T683 5.7 CONSUMABLES 5.7.1 HYDRAULIC OIL During trailer use the user is obliged to observe lubrication instructions according to attached lubrication schedule. Always adhere to the principle that the oil in the trailer hydraulic system and in the tractor hydraulic system are of the same type.

  • Page 136: Lubricants

    Pronar T683 SECTION 5 occurrence of irritation consult a doctor. Hydraulic oil in normal conditions is not harmful to the respiratory tract. A hazard only occurs when oil is strongly atomised (oil vapour), or in the case of fire during which toxic compounds may be released. Oil fires should be quenched with the use of carbon dioxide, foam or extinguisher steam.
  • Page 137 SECTION 5 Pronar T683 • Water temperature shall not exceed 55°C. • Do not direct water stream directly at system elements and equipment of the trailer i.e. control valve, braking force regulator, brake cylinders, pneumatic, electric and hydraulic plugs, lights, electrical connections, information and warning decals, identification plate, conduit connections and lubrication points etc.

  • Page 138: Storage

    Pronar T683 SECTION 5 • Observe environmental protection principles and wash trailer in a place designed for this 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 previous date of lubrication.

  • Page 139: Tightening Torque For Nut And Bolt Connections

    SECTION 5 Pronar T683 FIGURE 5.15 Bolt with metric thread (1) resistance class, (d) thread diameter TABLE 5.4 Tightening torque for nut and bolt connections 10.9 THREAD METRIC Md [Nm] 1 050 1 150 1 650 1,050 1 450 2 100 –...

  • Page 140: Installation And Disassembly Of The Frame And Tarpaulin Cover

    Pronar T683 SECTION 5 5.11 INSTALLATION AND DISASSEMBLY OF THE FRAME AND TARPAULIN COVER Tarpaulin cover can only be used together with the frame. The assembly of wall extensions should be carried out with the use of appropriate platforms, ladders, ramps or other stable raised surfaces.
  • Page 141 SECTION 5 Pronar T683 FIGURE 5.16 Frame with tarpaulin cover (1) front apex, (2) rear apex, (3) centre apex, (4) ridge pipe, (5) rim pipe, (6) rolling beam, (7) tarpaulin cover, (8) tarpaulin cover tensioner, (9) tensioner catch (10) clamp, (11) tensioner hook, (12) expander hook, (13) grab, (14) expander, (15) limiter 5.39...

  • Page 142: Drawbar Eye Adjustment

    Pronar T683 SECTION 5 5.12 INSTALLATION AND DISASSEMBLY OF WALL EXTENSIONS 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 falling.

  • Page 143: Troubleshooting

    SECTION 5 Pronar T683 Set the drawbar eye in its new position and screw down with bolts (3) using appropriate torque. The faceplate design (2) allows 4 possible drawbar eye positions, figure (5.11). Check degree of drawbar tightening after first travel under load.
  • Page 144 Pronar T683 SECTION 5 FAULT CAUSE REMEDY brake force regulator Excessive bearing slackness Check slackness and adjust if needed Noise in axle Damaged bearing Replace bearing hubs Damaged hub parts Replace Check pressure on tractor pressure gauge, wait till compressor fills tank to required pressure.
  • Page 145 NOTES …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………...
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  • Page 147 Tire sizes TRAILER VERSION FRONT/REAR AXLE 385/65 R 22.5 160 K 425/65 R 22.5 160 F T683 445/65 R 22.5 170 F 500/60 R 22.5 165 A8 560/60 R 22.5 161 D - disc wheel 11.75x22.5" ET=-30 - disc wheel 13.00x22.5" ET=0 - disc wheel 14.00x22.5"...

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