PRONAR T286 Operator's Manual
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PRONAR T286 Operator's Manual

Agricultural trailer
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TRANSLATION OF THE ORIGINAL COPY OF THE MANUAL
ISSUE 1B-12-2016
PRONAR Sp. z o.o.
17-210 NAREW, UL. MICKIEWICZA 101A, PODLASKIE PROVINCE
phone:
fax:
OPERATOR'S MANUAL
AGRICULTURAL TRAILER
PRONAR T286
+48 085 681 63 29
+48 085 681 63 81
+48 085 681 63 83
PUBLICATION NO 370N-00000000-UM
+48 085 681 64 29
+48 085 681 63 82
+48 085 682 71 10
www.pronar.pl

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  • Page 1 PRONAR Sp. z o.o. 17-210 NAREW, UL. MICKIEWICZA 101A, PODLASKIE PROVINCE 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 rules and operation of agricultural trailer Pronar T286. 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 "IMPORTANT".
  • 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 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 1.13 WITHDRAWAL FROM USE 1.14 2 SAFETY ADVICE BASIC SAFETY RULES...
  • Page 8 3 DESIGN AND OPERATION TECHNICAL SPECIFICATION TRAILER CONSTRUCTION 3.2.1 CHASSIS WITH MECHANICAL SUSPENSION 3.2.2 AXLE SYSTEM WITH AIR SUSPENSION 3.2.3 TIPPING FRAME 3.2.4 MAIN BRAKE- MECHANICAL SUSPENSION 3.2.5 BRAKING SYSTEM - AIR SUSPENSION 3.13 3.2.6 PARKING BRAKE - MECHANICAL SUSPENSION 3.16 3.2.7 HYDRAULIC SYSTEM OF THE SUPPORT (OPTION) 3.17...
  • Page 9 HITCHING AND UNHITCHING THE SECOND TRAILER 4.15 OPERATING THE TRAILER 4.17 4.5.1 OPERATION OF CONTROL PANEL 4.17 4.5.2 PULLING THE LOAD BOX ON THE TRAILER 4.19 4.5.3 REMOVING LOAD BOX FROM TRAILER 4.24 LOADING LOAD BOX 4.26 TRANSPORTING LOADS 4.31 UNLOADING 4.33 PROPER USE AND MAINTENANCE OF TYRES...
  • Page 10 5.3.2 CHECKING AIR TIGHTNESS AND VISUAL INSPECTION OF PNEUMATIC SYSTEM 5.19 5.3.3 CLEANING THE AIR FILTERS 5.21 5.3.4 DRAINING WATER FROM AIR TANK 5.22 5.3.5 CLEANING DRAIN VALVE 5.23 5.3.6 CLEANING AND MAINTAINING PNEUMATIC CONDUIT CONNECTIONS AND PNEUMATIC SOCKETS 5.24 5.3.7 REPLACEMENT OF PNEUMATIC CONDUIT 5.25 HYDRAULIC SYSTEM MAINTENANCE...

  • Page 11: Basic Information

    SECTION BASIC INFORMATION...

  • Page 12: Identification

    Location of the data plate and serial number (1) data plate, (2) serial number PRONAR T286 agricultural trailer is marked with the data plate (1) located on the faceplate and with serial number (2). The serial number is stamped into the data plate and into the right longitudinal member of the lower frame –...

  • Page 13: Axle Identification

    SECTION 1 Pronar T286 TABLE 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: Proper Use

    Pronar T286 SECTION 1 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 above.
  • Page 15 SECTION 1 Pronar T286 The trailer is not intended or designed for transporting people or animals. Using it as intended also involves all actions connected with the safe and proper operation and maintenance of the machine. In connection with this the user is obliged to: •...
  • Page 16 Pronar T286 SECTION 1 TABLE 1.2 Load box requirements DATA UNIT VALUE Minimum length [mm] 5,400 Maximum length [mm] 6,900 Maximum width [mm] 2,550 Maximum height (internal) [mm] 2,000 Maximum gross weight [kg] 17,100 Hook height according to DIN 30722-1 standard...

  • Page 17: Equipment

    SECTION 1 Pronar T286 CONTENTS UNIT REQUIREMENTS Electrical system Electrical system voltage Connection socket 7-pole compliant with ISO 1724 Connection socket 3-pole Tractor hitches Type Lower transport hitch Minimum vertical load capacity of hitch kN / kg 29.43 / 3,000...

  • Page 18: Warranty Terms

    Information concerning tires is provided at the end of this publication in ATTACHMENT A. 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...
  • Page 19 SECTION 1 Pronar T286 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 T286 SECTION 1 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 T286 of the vehicle in a manner preventing their movement. The number of securing elements (cables, straps, chains and stay etc.) and the force necessary for their tensioning depends on a number of things, including weight of the trailer, the construction of vehicle carrying trailer, speed of travel and other conditions.

  • Page 22: Independent Transport By The User

    Pronar T286 SECTION 1 DANGER Incorrect application of securing measures may cause an accident. 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.

  • Page 23: Environmental Hazards

    SECTION 1 Pronar T286 1.6 ENVIRONMENTAL HAZARDS A hydraulic oil leak constitutes a direct threat to the natural environment owing to its limited biodegradability. Maintenance and repair work which involves the risk of an oil leak should be performed in the rooms with oil resistant 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 24: Withdrawal From Use

    Pronar T286 SECTION 1 1.7 WITHDRAWAL FROM USE In the event of decision by the user to withdraw the trailer from use, comply with the regulations in force in the given country concerning withdrawal from use and recycling of machines withdrawn from use. Before commencing dismantling, totally remove the oil from the hydraulic system and reduce air pressure completely in the pneumatic brake system (e.g.

  • Page 25: Safety Advice

    SECTION SAFETY ADVICE...

  • Page 26: Basic Safety Rules

    Pronar T286 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 T286 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.) – compare table (1.3) AGRICULTURAL TRACTOR REQUIREMENTS. Before hitching trailer make certain that oil in external hydraulic system of tractor may be mixed with the hydraulic oil of the trailer.

  • Page 28: Hydraulic And Pneumatic Systems

    Pronar T286 SECTION 2 • Selection of trailer's working mode is only possible when the tipping frame is in its rest position and the rear fender is maximally folded. • Proper setting of the trailer to "hook trailer" function or "tipper" function must be signalled by a corresponding indicator light –...

  • Page 29: Loading And Unloading The Load Box

    SECTION 2 Pronar T286 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 30: Transporting The Machine

    Pronar T286 SECTION 2 • Ensure that there are no bystanders in the load box unloading or loading zone. Before tipping the load box ensure proper visibility and make certain that there are no bystanders near the machine. • Do NOT move off or drive when load box is raised.
  • Page 31 SECTION 2 Pronar T286 chocks or other objects without sharp edges placed under the front and back wheels. • Before driving make sure that the trailer is properly hitched to the tractor, especially if coupling bolts are secure. • Vertical load borne by the trailer drawbar eye affects the steering of the agricultural tractor.
  • Page 32 Pronar T286 SECTION 2 FIGURE 2.1 Location of the slow-moving vehicle warning sign (1) slow-moving vehicle warning sign • 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.

  • Page 33: Tyres

    SECTION 2 Pronar T286 • During travel, guards protecting rear light assemblies must be removed from the light beam profiles and secured on the other side of the profiles using star nuts (see figure (3.1) – item 13). • When transporting the trailer with loaded load box on public roads, the maximum distance between the rear fender (underrun protection device) and the rearmost point of the vehicle (load box) should not exceed 400mm.
  • Page 34 Pronar T286 SECTION 2 is recommended that possible repairs to the hook trailer be performed by specialised workshops. • In the event of any fault or damage whatsoever, do not use the trailer until the fault has been fixed. • While performing maintenance work, use proper, close-fitting protective clothing, gloves, protective shoes, protective goggles and appropriate tools.
  • Page 35 SECTION 2 Pronar T286 other people's health and life at risk, and also damage the machine and invalidate the warranty. • Before welding or electrical work, the trailer should be disconnected from the power supply. The paint coating should be cleaned. Burning paint fumes are poisonous for people and animals.

  • Page 36: Description Of Residual Risk

    SECTION 2 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 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 T286 SECTION 2 DECAL MEANING Caution! Danger of electric shock. Keep a safe distance from electric power lines during tipping or connecting and disconnecting load Regularly check if the nuts and bolts fixing the wheels and other components are properly tightened.
  • Page 39 SECTION 2 Pronar T286 DECAL MEANING Transport decal Securing points for the transport Maximum design speed. Position of the hydraulic support leg control valve. Extension/withdrawal of the hydraulic support * – pressure value should be adapted to tyres Decal – position (12) is placed near the hydraulic valve of the support (option).
  • Page 40 Pronar T286 SECTION 2 FIGURE 2.2 Locations of information and warning decals Markings on the figure according to table 2.1 2.16...

  • Page 41: Design And Operation

    SECTION DESIGN AND OPERATION...

  • Page 42: Technical Specification

    Pronar T286 SECTION 3 3.1 TECHNICAL SPECIFICATION TABLE 3.1 Technical specification of hook trailer in standard version CONTENTS UNIT T286 Dimensions Total length without load box 7,870 Total width * 2,550 Height (without load box) 2,990 Length with shortest load box...

  • Page 43: Trailer Construction

    SECTION 3 Pronar T286 ** - height from load box base to hook axis *** - load capacity combined with load box weight, **** - without hydraulic braking system. Dimensions of the hook trailer, i.e. width, height and axle track, may differ depending on the tyres used (option).
  • Page 44 Pronar T286 SECTION 3 FIGURE 3.1 Trailer chassis (1) lower frame, (2) drawbar, (3) ball drawbar eye, (4), straight support with mechanical gear, (5) handbrake mechanism, (6) wheel chocks, (7) side shields, (8) tandem suspension, (9) rigid axle, (10) steering axle, (11) mudguards, (12) lamp assembly, (13) star nut, (14) rear...

  • Page 45: Axle System With Air Suspension

    SECTION 3 Pronar T286 3.2.2 AXLE SYSTEM WITH AIR SUSPENSION FIGURE 3.2 Air suspension (1) rigid axle, (2) steering axle, (3) rocker arm, (4) air bellows Axle system with air suspension consists of a front rigid axle (1) and a rear steering axle (2).

  • Page 46: Tipping Frame

    Pronar T286 SECTION 3 FIGURE 3.3 Diagram of air suspension system (1) straight-run valve, (2) air tank, (3) levelling valve, (4) air bellows, („41”), („42”) signal leads to ALB regulator in the brake system 3.2.3 TIPPING FRAME The complete tipping frame consists of three cooperating frames which are made of steel closed profiles: rear frame (1), central frame (2) and telescopic hook frame (3) –...
  • Page 47 SECTION 3 Pronar T286 FIGURE 3.4 Tipping frame (1) rear frame, (2) central frame, (3) hook frame, (4) tipping cylinder, (5) hook with latch, (6) tipping frame interlock, (7) guide roller, (8) hydraulic interlock of load box The rear frame (1) is equipped with two guide rollers (7) which ensure correct position of the load box while pulling the load box on and removing it from the trailer.
  • Page 48 Pronar T286 SECTION 3 FIGURE 3.5 Switching the trailer to "hook trailer" mode (1) hook frame, (A) "tipper" position (full range), (B) "hook trailer" position (after complete folding) "Tipper" or "hook trailer" operation mode of the trailer is selected automatically by means of slidable telescopic hook frame (1) - figure (3.5) , which shifts the interlock mechanism (6) -...

  • Page 49: Main Brake- Mechanical Suspension

    SECTION 3 Pronar T286 3.2.4 MAIN BRAKE- MECHANICAL SUSPENSION The hook trailer is equipped with one of three types of main brake: • double conduit pneumatic braking system with manual braking force regulator, figure (3.6), • double conduit pneumatic braking system with automatic braking force regulator (optional equipment), figure (3.7),...
  • Page 50 Pronar T286 SECTION 3 FIGURE 3.6 Design and diagram of double conduit pneumatic braking system with manual braking force regulator (1) air tank, (2) control valve, (3) braking force regulator, (4) pneumatic cylinder, (5) conduit connector (yellow), (6) conduit connector (red), (7) air filter, (8) air tank control connector, (9) relay valve, (10) socket (yellow), (11) socket (red) 3.10...
  • Page 51 SECTION 3 Pronar T286 FIGURE 3.7 Design and diagram of double conduit pneumatic braking system with automatic braking force regulator ALB (1) air tank, (2) control valve, (3) braking force regulator, (4) pneumatic cylinder, (5) conduit connector (yellow), (6) conduit connector (red), (7) air filter, (8) air tank control connector, (9) relay valve, (10) socket (yellow), (11) socket (red) 3.11...
  • Page 52 Pronar T286 SECTION 3 FIGURE 3.8 Design and diagram of hydraulic braking system (1) hydraulic cylinder, (2) hydraulic quick coupler, (3) socket 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.

  • Page 53: Braking System - Air Suspension

    SECTION 3 Pronar T286 FIGURE 3.9 Control valve and braking force regulator (1) control valve, (2) braking 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 54 Pronar T286 SECTION 3 Information concerning setting of operation mode of the loosening-parking valve is given in table (3.2). FIGURE 3.10 Diagram of pneumatic braking system (1) conduits connection with a filter (red) - supply connection, (2) conduits connection with a...
  • Page 55 SECTION 3 Pronar T286 TABLE 3.2 Working modes of the loosening-parking valve VALVE RED PUSH- BLACK PUSH- OPERATION DESCRIPTION BUTTON BUTTON MODE RELEASED DEPRESSED The machine is braked with parking brake. If the red push-button is released, the trailer is immobilized with parking brake...

  • Page 56: Parking Brake - Mechanical Suspension

    Pronar T286 SECTION 3 FIGURE 3.11 Positions of loosening-parking valve (A), (B), (C), (D)- valve working modes 3.2.6 PARKING BRAKE - MECHANICAL SUSPENSION The parking brake is used for immobilising trailer while standing motionless. System design is shown in Figure (3.12). The brake crank mechanism (2) is mounted on the bracket placed on the left longitudinal member of the lower frame, on the front of the trailer.

  • Page 57: Hydraulic System Of The Support (Option)

    SECTION 3 Pronar T286 FIGURE 3.12 Parking brake design (1) expander arm, (2) brake crank mechanism (3) steel cable I, (4) steel cable II (5) lever, (6) guide roller, (7) arm 3.2.7 HYDRAULIC SYSTEM OF THE SUPPORT (OPTION) The hydraulic system of the support is filled with L-HL32 Lotos hydraulic oil.
  • Page 58 Pronar T286 SECTION 3 FIGURE 3.13 Design and diagram of the hydraulic system of the straight support (1) hydraulic cylinder, (2) spring, (3) valve, (4) support foot, (5) quick coupler - plug, (6) plug cap (red), (A) valve in open position, (B) valve in closed position The trailer can be equipped with straight hydraulic support –...

  • Page 59: Hydraulic System Of The Drawbar

    SECTION 3 Pronar T286 FIGURE 3.14 Design and diagram of the hydraulic system of the folding support (1) body, (2) hydraulic cylinder, (3) valve, (4) interlock pin, (5) quick coupler - plug, (6) plug cap (red), (A) valve in open position, (B) valve in closed position...
  • Page 60 Pronar T286 SECTION 3 out in order to level the trailer and is done by withdrawing or extending the hydraulic cylinders rods (2). The system includes the hydraulic accumulator (3) which is preset for pressure of 50 bar. The purpose of the accumulator is to amortize vibrations transferred to the tractor.

  • Page 61: Hydraulic Steering System

    SECTION 3 Pronar T286 3.2.9 HYDRAULIC STEERING SYSTEM The hook trailer can be equipped with hydraulic steering system for controlling the rear axle of the trailer. This solution improves steering characteristics, reduces load applied to the trailer structural elements, reduces terrain damage and tyre wear as well as improves the comfort of driving the tractor with the trailer.
  • Page 62 Pronar T286 SECTION 3 During movement of cylinder (1), oil in the system flows to axle turning cylinder (2) turning the wheels. Rod of cylinder (1) moves when the trailer's drawbar changes its angular position with regard to tractor hitch when manoeuvring. Hydraulic accumulators (4) are used in order to eliminate a minimal swing of axle steering cylinder and reduce load applied to the system while manoeuvring.

  • Page 63: Turning Interlock Hydraulic System

    SECTION 3 Pronar T286 3.2.10 TURNING INTERLOCK HYDRAULIC SYSTEM The hook trailer is equipped with a passively steered rear steering axle. This solution facilitates manoeuvring the vehicle, improves stability while driving on turns, reduces disadvantageous forces in suspension system and chassis which occur while turning.

  • Page 64: Central Hydraulic System - Mechanical Suspension

    Pronar T286 SECTION 3 3.2.11 CENTRAL HYDRAULIC SYSTEM - MECHANICAL SUSPENSION FIGURE 3.18 Hydraulic system diagram hydraulic manifold, rising cylinder, hook frame shifting cylinder, (4) load box interlock cylinder, (5) suspension interlock cylinder, (6) rear fender cylinder, (7) quick coupler - plug, (8) anti-shock valve, (9) limit valve, (10) two-sided lock, (11) flow divider, (12) quick coupler-socket 3.24...
  • Page 65 SECTION 3 Pronar T286 The hydraulic system of the trailer is filled with L-HL32 Lotos hydraulic oil. The hook trailer is equipped with the central hydraulic system with the system of electro- hydraulic protections. The trailer's system operation is controlled by hydraulic manifold (1), which is supplied by the tractor's external hydraulic system through two hydraulic conduits terminated with quick couplings (7).
  • Page 66 Pronar T286 SECTION 3 are completely withdrawn (the rest position of the tipping frame). Anti-shock valve (8) protects the system against sudden pressure jumps and ensures smoother operation of cylinders. Hydraulic cylinder (4) controls the interlock which ensures attachment of the load box to the trailer's chassis during transport and unloading.

  • Page 67: Central Hydraulic System - Air Suspension

    SECTION 3 Pronar T286 3.2.12 CENTRAL HYDRAULIC SYSTEM - AIR SUSPENSION FIGURE 3.19 Hydraulic system diagram - air suspension hydraulic manifold, rising cylinder, hook frame shifting cylinder, (4) load box interlock cylinder, (5) rear fender cylinder, (6) quick coupler - plug, (7) anti-shock valve, (8) two-sided lock, (9) flow divider, (10) quick coupler-socket 3.27...

  • Page 68: Hydraulic System Outlets On The Hook

    Pronar T286 SECTION 3 3.2.13 HYDRAULIC SYSTEM OUTLETS ON THE HOOK The trailer can be equipped with an additional pair of hydraulic outlets located on the hook. For example, the hydraulic gate of the load box can be connected to the system.
  • Page 69 SECTION 3 Pronar T286 FIGURE 3.21 Arrangement of electrical controls (1) control panel with a wiring harness, (2) actuator module, (3) 3-pin connection lead, (4) 3- pin socket, (5) communication socket, (C1)- (C9) inductive sensors 3.29...
  • Page 70 Pronar T286 SECTION 3 FIGURE 3.22 Diagram of electrical system of hydraulic system (1) control panel (2) actuator module (Z) power supply of sensors, (CZ 1) sensor 1, (CZ 2) sensor 2, (CZ 4) sensor 4, (CZ 5) sensor 5, (CZ 8) sensor 8, (CZ 9) sensor 9...

  • Page 71: Electric Lighting System

    SECTION 3 Pronar T286 3.2.15 ELECTRIC LIGHTING SYSTEM The trailer's electrical lighting system is designed for 12 V DC supply. In order to cooperate correctly with the trailer, the tractor should be equipped with a 7-pin electric socket. The trailer's electrical lighting system should be connected with the tractor using a suitable connection lead (10) with a 7-pin plug at both ends - figure (3.23).
  • Page 72 Pronar T286 SECTION 3 FIGURE 3.23 Arrangement of electrical lighting system components (1), (2) left/right rear lamp assembly, (3), (4) rear left/right side clearance lamp, (5) licence plate light, (6) front clearance lamp, (7) reflective warning triangle, (8) side parking light, (9) 7-pin socket, (10) connection lead 3.32...
  • Page 73 SECTION 3 Pronar T286 FIGURE 3.24 Electrical lighting system diagram (1) central wiring harness, (2) front wiring harness, (3) rear wiring harness, (4) connecting wiring harness Marking according to table (3.2), (3.3) and (3.4) 3.33...
  • Page 74 Pronar T286 SECTION 3 TABLE 3.4 Marking of connections of GP and GT sockets MARKING FUNCTION Weight Power supply +12V (not used) Left indicator STOP light Rear left parking light Rear right parking light Right indicator TABLE 3.5 Lead colour marking...

  • Page 75: Correct Use

    SECTION CORRECT USE...

  • Page 76: Preparing For Work Before First Use

    SECTION 4 Pronar T286 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 77: Preparing The Trailer For First Hitching To

    SECTION 4 Pronar T286 4.1.2 PREPARING THE TRAILER FOR FIRST HITCHING TO TRACTOR 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 authorised to drive agricultural tractors, including children and people under the influence of alcohol or other drugs.
  • Page 78 SECTION 4 Pronar T286 Connect control panel. Raise support to transport position. Switch on individual lights of the lighting system and check if they work properly. Start and check correctness of operation of the hydraulic systems of the following assemblies: hydraulic support (if installed), rear axle turning interlock, rear fender, suspension interlock, load box interlock, hook frame shifting mechanism, the system for lowering and raising the tipping frame.

  • Page 79: Hook Setting Adjustment

    SECTION 4 Pronar T286 4.2 HOOK SETTING ADJUSTMENT The hook trailer enables connection of load boxes with hitching eye at the height of 1570 mm according to DIN 30722-1 standard) or (1 450 mm according to SS 3021 standard). Changing height of hook should be performed by two persons.

  • Page 80: Hitching And Unhitching The Trailer From Tractor

    SECTION 4 Pronar T286 4.3 HITCHING AND UNHITCHING THE TRAILER FROM TRACTOR IMPORTANT! Trailer may only be hitched to a tractor which has the appropriate hitch, required connection sockets for braking, hydraulic and electrical systems. The oil used in the...
  • Page 81 SECTION 4 Pronar T286 FIGURE 4.2 Connecting the hydraulic system of the hydraulic support (1) straight hydraulic support, (2) folding hydraulic support, (3) quick coupler - plug, (4) ball valve, (O) "OPEN" valve position, (Z) "CLOSED" valve position Using the parking support set the drawbar eye at such a height so it is possible to hitch the machines.
  • Page 82 SECTION 4 Pronar T286 In case of straight hydraulic support or folding hydraulic support, start a proper section of the manifold in the tractor in order to raise the support maximally. In case of folding hydraulic support, fold and secure the cylinder according to chapter 4.3.2.
  • Page 83 SECTION 4 Pronar T286 Connection conduits are marked with red stoppers. The return conduit with a check valve should be connected to the drain connector in the tractor, so called "free drain". If the tractor is not equipped with a drain connector, the conduits should be connected to a single section of the tractor manifold.
  • Page 84 SECTION 4 Pronar T286 Connect power lead (6) to 3-pin socket (7) on the trailer - figure (4.3) and to 3- pin socket on the tractor. If the tractor is not equipped with such a socket, an authorized person should install the socket according to the recommendations of the tractor manufacturer Connect communication lead (3) to control panel (1).
  • Page 85 SECTION 4 Pronar T286 The folding hydraulic support should be folded and locked according to chapter 4.3.2. In case of straight or folding hydraulic support, set valve (4) to "O" position –open – figure (4.2), and control the manifold in the tractor in order to lower the support.

  • Page 86: Operation Of Support With Mechanical Gear

    SECTION 4 Pronar T286 IMPORTANT! Do NOT park the loaded trailer, which is disconnected from the tractor and resting on the parking support. Before moving off, make sure that the support is maximally raised and secured against dropping. 4.3.1 OPERATION OF SUPPORT WITH MECHANICAL GEAR Proper height of drawbar eye in relation to tractor hitch is set using the support with mechanical gear - figure (4.4).

  • Page 87: Operation Of Folding Hydraulic Support (Option)

    SECTION 4 Pronar T286 Position B is used for fast rising or lowering the support in order to reduce the distance between the support foot and the ground, in unloaded trailer. Turn the crank in direction (E) to raise the support so that the foot (3) does not touch the ground.
  • Page 88 SECTION 4 Pronar T286 FIGURE 4.5 Operation of folding hydraulic support (1) support cylinder, (2) body, (3) valve, (4) securing pin, (5) cotter pin, (6) quick coupler, (A) unfolding the support, (B) folding the support, (I) hole I, (II) hole II, Unfolding the support Unlock cotter pin (5) and remove securing pin (4) from hole (II).

  • Page 89: Hitching And Unhitching The Second Trailer

    SECTION 4 Pronar T286 4.4 HITCHING AND UNHITCHING THE SECOND TRAILER A second trailer may only be hitched if it is a machine built on a dual axle chassis and if it fulfils all the requirements specified in section 1.
  • Page 90 SECTION 4 Pronar T286 Adjust the height of the drawbar of the second trailer in such a manner as to enable hitching the machines. Reversing tractor, drive the rear hitch of the first trailer onto the drawbar of the second trailer.

  • Page 91: Operation Of Control Panel

    SECTION 4 Pronar T286 4.5 OPERATING THE TRAILER 4.5.1 OPERATION OF CONTROL PANEL FIGURE 4.7 Control panel description control panel is described in table 4.1 TABLE 4.1 Control panel description (Figure 4.7) SYMBOL MARKINGS DESCRIPTION ON FIGURE 4.7 FUNCTION Switching on/off the control panel power supply.
  • Page 92 SECTION 4 Pronar T286 SYMBOL MARKINGS DESCRIPTION ON FIGURE 4.7 FUNCTION Indicator light signalling that the rear fender is folded (tipping frame control function is unlocked). Indicator light signalling that the rear fender is halfway the extension range. Indicator light signalling that the rear fender is at the maximum position.

  • Page 93: Pulling The Load Box On The Trailer

    SECTION 4 Pronar T286 SYMBOL MARKINGS DESCRIPTION ON FIGURE 4.7 FUNCTION Indicator light signalling that the load box interlock is unlocked. Indicator light signalling that the load box interlock is locked. Push-button for additional output (e.g. lowering the load box gate).
  • Page 94 SECTION 4 Pronar T286 Fold the rear bumper Press and hold the push-button for folding the rear fender. After folding the fender, indicator light (4) must light up on the control panel - figure (4.7). If the fender is not completely withdrawn, the tipping function does not work.
  • Page 95 SECTION 4 Pronar T286 IMPORTANT! Selection of the trailer's working mode is only possible when the tipping frame is retracted to resting position. If the hook frame is not completely shifted to position B – figure (3.5), the trailer will work in "tipper"...
  • Page 96 SECTION 4 Pronar T286 DANGER Bystanders must NOT be in the immediate vicinity of the trailer when pulling the load box onto the trailer. Exercise particular caution and keep a safe distance from the trailer when automatically folding and unfolding the frames.
  • Page 97 SECTION 4 Pronar T286 Extend the load box interlock. Press and hold the push-button for extending the load box interlock. When indicator light (16) lights up, figure (4.7) , keep the push-button pressed for 2-3 seconds. Extend the rear bumper (if the load box projects more than 400mm).

  • Page 98: Removing Load Box From Trailer

    SECTION 4 Pronar T286 In the event of pulling the load box, which is not standing on hard ground, it is permissible to reverse the trailer after raising the load box to a height enabling it to be pulled in. Soft ground preventing easy rolling of the load box rollers significantly hinders the pulling process.
  • Page 99 SECTION 4 Pronar T286 Withdraw load interlock. Press hold push-button withdrawing the load box interlock. Indicator light (15) must light up - figure (4.7). When indicator light lights up, keep the push-button pressed for 1-2 seconds. If the load box interlock is not completely withdrawn, the hook frame shifting does not work.

  • Page 100: Loading Load Box

    SECTION 4 Pronar T286 Drive the trailer away from the load box in order to disconnect it. Fold the central frame of the trailer Press and hold the push-button for lowering the tipping frame until the central frame rests on the trailer's lower frame. Press and hold the push-button for about 3 seconds to fold the frames automatically.
  • Page 101 SECTION 4 Pronar T286 load box and its load must not exceed the permissible carrying capacity of the trailer. Guideline specific weight of selected materials is shown in table (4.1). Take care not to overload the trailer. TABLE 4.2 Guideline weights by volume of selected loads...
  • Page 102 SECTION 4 Pronar T286 VOLUME WEIGHT TYPE OF MATERIAL kg/m stones 1,500 – 2,200 soft wood 300 - 450 hard sawn timber 500 - 600 impregnated timber 600 - 800 steel structures 700 – 7 000 milled burnt lime 700 - 800...
  • Page 103 SECTION 4 Pronar T286 VOLUME WEIGHT TYPE OF MATERIAL kg/m green fodder in swath 28 - 35 cut green fodder in bulk trailer 150 - 400 green fodder in gathering trailer 120 - 270 fresh beet leaves 140 - 160...
  • Page 104 SECTION 4 Pronar T286 VOLUME WEIGHT TYPE OF MATERIAL kg/m wheat 720 - 830 oil seed rape 600 - 750 linseed 640 - 750 lupins 700 - 800 oats 400 - 530 lucerne 760 - 800 640 - 760 Others: dry soil 1,300 –...

  • Page 105: Transporting Loads

    SECTION 4 Pronar T286 4.7 TRANSPORTING LOADS When driving on public or private roads, respect the road traffic regulations, exercise caution and prudence. Comply with this Operator's Manual and pay particular attention to the below guidelines for driving the tractor with the trailer hitched.
  • Page 106 SECTION 4 Pronar T286 conditions, load carried by the trailer, road surface conditions and other relevant conditions. • Trailer may be towed on slopes of up to 5° and unloading must take place only on a level surface. • When not connected to the tractor, the trailer must be immobilised using parking brake and with chocks placed under the wheels.

  • Page 107: Unloading

    SECTION 4 Pronar T286 • Please note that the braking distance of the tractor and trailer combination is substantially increased at higher speeds and loads. Before beginning travel appropriately adjust trailer braking force, by appropriate brake force regulator setting (applies to pneumatic brake systems).
  • Page 108 SECTION 4 Pronar T286 Fold the rear bumper Press and hold the push-button for folding the rear fender. If the fender is completely folded, indicator light (4) will light up on the control panel - figure (4.7). If the fender is not completely folded, the tipping function does not work.
  • Page 109 SECTION 4 Pronar T286 Set the load box position on the trailer frame, depending on the load box length. Shift the hook frame to the rear by pressing the push-button for withdrawing the hook frame. The trailer must be set to "tipper" mode –...
  • Page 110 SECTION 4 Pronar T286 IMPORTANT! If the trailer is in "tipper" mode (indicator light (9) is ON – figure (4.7)) and the load box interlock is withdrawn (indicator light (15) is ON - figure (4.7)), the push-buttons for rising and lowering the tipping frame do not work.
  • Page 111 SECTION 4 Pronar T286 IMPORTANT! When shifting the short load box, make certain that the load box rollers are not in front of the trailer's rollers (mudguards may get damaged). DANGER Tipping the load box must be done on hard, level and flat ground.

  • Page 112: Proper Use And Maintenance Of Tyres

    SECTION 4 Pronar T286 Set the rear bumper position (if the load box projects more than 400mm). Press and hold the push-button for extending the rear fender until the required position of the rear fender is achieved. The maximum distance between the rear fender and the rearmost point of the vehicle (load box) should not exceed 400mm.

  • Page 113: Using Under-Run Protective Devices

    SECTION 4 Pronar T286 • When the trailer is operated all day, stop working for a minimum of one hour in the afternoon. • Adhere to 30 minutes rest for cooling tyres after driving 75 km or after 150 minutes continuous travel depending on which occurs first.
  • Page 114 SECTION 4 Pronar T286 Lower the protection device and press it until clamping ring pin is locked in latch (4) – position (B) – figure (4.8). FIGURE 4.8 Underrun protection device, left (1) underrun protection strip, (2) bracket, (3) clamping ring, (4) interlock latch, (A) underrun protection device in raised position, (B) underrun protection device in transport position 4.40...

  • Page 115: Hydraulic Steering System Operation

    SECTION 4 Pronar T286 4.11 HYDRAULIC STEERING SYSTEM OPERATION In order to ensure proper operation of the hydraulic steering system and safe use of the trailer, suitable and certified tractor hitches according to ISO 26402:2008 should be used. During the first hitching of the trailer to the tractor, check correctness of operation of the wheel steering system.
  • Page 116 SECTION 4 Pronar T286 do not add oil when the above-mentioned pressure level is achieved, close all valves (3) and set the pump lever (2) aside, drive the tractor with the trailer attached and check correctness of the system operation.

  • Page 117: Maintenance

    SECTION MAINTENANCE...

  • Page 118: Preliminary Information

    Pronar T286 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 119: Initial Inspection Of Axle Brakes

    SECTION 5 Pronar T286 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 120: Check Brake Shoe Linings For Wear

    Pronar T286 SECTION 5 5.2.3 CHECK BRAKE SHOE LININGS FOR WEAR Trailer brake shoes should be replaced when the brake lining thickness is less then the minimum specified by the manufacturer. ATTENTION! Minimum thickness of trailer brake linings is 5 mm.

  • Page 121: Check Wheel Axle Bearings For Looseness

    SECTION 5 Pronar T286 5.2.4 CHECK WHEEL AXLE BEARINGS FOR LOOSENESS FIGURE 5.2 Lifting jack support point (1) wheel axle, (2) U bolt Preparation procedures Hitch trailer to tractor, immobilize tractor with parking brake. Park tractor and trailer on hard level ground.
  • Page 122 Pronar T286 SECTION 5 Checking slackness of wheel axle bearings 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 123: Adjustment Of Slackness Of Wheel Axle Bearings

    SECTION 5 Pronar T286 5.2.5 ADJUSTMENT OF SLACKNESS OF WHEEL AXLE BEARINGS Preparation procedures Prepare tractor and trailer for adjustment procedures according to description provided in section 5.2.4. Adjustment of slackness of wheel axle bearing Take off hub cover (1) – figure (5.3).

  • Page 124: Wheel Nut Tightening

    Pronar T286 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 tractor and the load box is empty.
  • Page 125 SECTION 5 Pronar T286 Wheel installation Clean axle pins and nuts of dirt contamination. 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 tightly fits the hub.
  • Page 126 Pronar T286 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 using a torque spanner. Before commencing work, ensure that correct tightening torque value is set.

  • Page 127: Technical Condition Of Tyres And Steel Wheels

    SECTION 5 Pronar T286 5.2.7 CHECKING AIR PRESSURE IN TYRES, EVALUATING TECHNICAL CONDITION OF TYRES AND STEEL WHEELS Air pressure in tyres should be checked each time after changing a spare wheel and at least once a month. In the event of intensive use, air pressure in tyres should be checked more frequently.

  • Page 128: Mechanical Brakes Adjustment

    Pronar T286 SECTION 5 5.2.8 MECHANICAL BRAKES ADJUSTMENT Considerable wear of brake shoe linings results in increased brake cylinder piston stroke and worse braking efficiency. Correct brake cylinder piston stroke should be within the range of 25 – 45 mm.
  • Page 129 SECTION 5 Pronar T286 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 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.
  • Page 130 Pronar T286 SECTION 5 Turn off tractor engine and remove key from ignition. Immobilise tractor with parking brake. Make sure that the trailer's brakes are not engaged. Secure the trailer with wheel chocks. FIGURE 5.6 Principle of brake system adjustment...
  • Page 131 SECTION 5 Pronar T286 Press the tractor brake pedal and mark the position of the maximum extension of the brake cylinder piston with a line (B). Measure the distance between lines (A) and (B). If the brake cylinder piston stroke is outside the proper operating range, adjust the expander arm.

  • Page 132: Cable Tension

    Pronar T286 SECTION 5 5.2.9 CHANGE OF PARKING BRAKE CABLE AND ADJUSTMENT OF CABLE TENSION. Proper operation of the parking brake is dependent on the effectiveness of the front axle brake and the correct brake cable tension. Adjustment of parking brake cable tension should be conducted in the event of: •...
  • Page 133 SECTION 5 Pronar T286 Adjustment of parking brake cable tension Checking and/or adjustment of parking brake: • every 12 months, • if needed. Before commencing the adjustment make certain that the main axle brake is correctly regulated and is functioning properly.
  • Page 134 Pronar T286 SECTION 5 Install the pins and secure them with new securing cotter pins. After the first loading of cable, re-check the condition of cable ends, correct if necessary. Installation of steel cable IMPORTANT! Clamp jaws must be placed at the load bearing cable side - see Figure (5.8).

  • Page 135: Pneumatic System Maintenance

    SECTION 5 Pronar T286 5.3 PNEUMATIC SYSTEM MAINTENANCE 5.3.1 PRELIMINARY INFORMATION Work connected with repair, replacement 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 136 Pronar T286 SECTION 5 Turn off tractor engine. Check system components by releasing brake pedal in tractor. Pay particular attention to conduit connections and brake cylinders. Repeat the system check with depressed tractor brake pedal. The help of a second person is required.

  • Page 137: Cleaning The Air Filters

    SECTION 5 Pronar T286 5.3.3 CLEANING THE AIR FILTERS FIGURE 5.9 Air filter (1) securing slide lock, (2) air filter cover DANGER Before proceeding to dismantle filter, reduce pressure in supply conduit. While disengaging filter slide gate, hold cover with other hand. Stand away from filter cover vertical direction.

  • Page 138: Draining Water From Air Tank

    Pronar T286 SECTION 5 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 filter element and filter body should be carefully cleaned and blown through with compressed air.

  • Page 139: Cleaning Drain Valve

    SECTION 5 Pronar T286 FIGURE 5.10 Draining water from air tank (1) air tank, (2) drain valve, (3) control connector 5.3.5 CLEANING DRAIN VALVE DANGER Release air from tank before dismantling drain valve. Required maintenance activities Reduce pressure in air tank.

  • Page 140: Cleaning And Maintaining Pneumatic Conduit Connections And Pneumatic Sockets

    Pronar T286 SECTION 5 Unscrew valve. Clean valve, purge with compressed air. Change copper seal. Screw in valve, fill air tank, and check tank tightness. Cleaning valve: • every 12 months (before winter period). 5.3.6 CLEANING AND MAINTAINING PNEUMATIC CONDUIT CONNECTIONS...

  • Page 141: Replacement Of Pneumatic Conduit

    SECTION 5 Pronar T286 5.3.7 REPLACEMENT OF PNEUMATIC CONDUIT Pneumatic conduits should be replaced when permanently deformed, cut or frayed. FIGURE 5.11 Installation of 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.

  • Page 142: Hydraulic System Maintenance

    Pronar T286 SECTION 5 5.4 HYDRAULIC SYSTEM MAINTENANCE 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.

  • Page 143: Checking Technical Condition Of Hydraulic Connections And Sockets

    SECTION 5 Pronar T286 If leaks are visible at connections, tighten the connections. If oil is found on hydraulic cylinder body, check origin of leak. Inspect seals when hydraulic cylinder is completely extended. Minimum leaks are permissible with symptoms of "sweating", however in the event of noticing leaks in the form of "droplets"...

  • Page 144: Electrical System Maintenance

    Pronar T286 SECTION 5 5.5 ELECTRICAL SYSTEM MAINTENANCE Electrical system maintenance is conducted during the periodical checking the operation of control system and lighting system. All the trailer's lights are maintenance-free LED lights Checking technical condition of electrical system: • each time while connecting trailer.

  • Page 145: Maintenance Of Suspension System

    SECTION 5 Pronar T286 The sensor works properly if the diodes on the sensor light up when the sensor is placed near a metal part. The detection range of the trailer's inductive sensors is 8 mm, i.e. the sensors do not work if they are placed outside this range.
  • Page 146 Pronar T286 SECTION 5 FIGURE 5.12 Tightening the bolt and nut connections of the mechanical suspension (1) suspension spring, (2) U bolt, (A) U bolt nuts, (B) bolt and nut connections of the suspension system, (C) fixing of lateral control rods...
  • Page 147 SECTION 5 Pronar T286 TABLE 5.4 Mechanical suspension system maintenance schedule FREQUENCY MAINTENANCE ACTIVITIES Tighten all U bolt nuts on the axle using recommended tightening torque - figure (5.12) item A. The nuts should be tightened diagonally. Tighten all bolt and nut connections of the suspension system according to figure (5.12) (suspension spring stirrups, brackets, rigid...

  • Page 148: Maintenance Of Air Suspension System

    Pronar T286 SECTION 5 FIGURE 5.13 Maintenance of rubber sleeves (1) pressure washer, (2) bracket, (3) rubber sleeve 5.7 MAINTENANCE OF AIR SUSPENSION SYSTEM When checking technical condition of the suspension system, pay attention to degree of wear of individual parts and looseness of system components and confirm that all components are complete and free from cracks and deformations.
  • Page 149 SECTION 5 Pronar T286 TABLE 5.5 Maintenance of air suspension system ITEM FREQUENCY MAINTENANCE ACTIVITIES - Check condition and fixing of Every 6 travel limiting ropes, possibly months. replace. - Visually inspect the condition of air bellows (surface cracks, abrasion, folding, etc.). Replace damaged air bellows.
  • Page 150 Pronar T286 SECTION 5 ITEM FREQUENCY MAINTENANCE ACTIVITIES Check the shock absorbers' mounts - Check tightening of upper At least once a mount and lower mount of shock year. absorbers using a torque spanner. For the first time after 2 weeks.

  • Page 151: Trailer Lubrication

    SECTION 5 Pronar T286 5.8 TRAILER LUBRICATION Trailer lubrication should be performed with the aid of a manually or foot operated grease gun, filled with recommended grease. Before commencing work insofar as is possible remove old grease and other contamination. Remove and wipe off excess oil or grease.
  • Page 152 Pronar T286 SECTION 5 TABLE 5.6 Recommended lubricants MARKING ACCORDING DESCRIPTION TO TAB. (5.6) machine general-purpose grease (lithium, calcium grease), permanent grease for heavily loaded elements with addition of MOS graphite anticorrosion preparation in aerosol ordinary machine oil, silicon grease in aerosol Empty grease or oil containers should be disposed of according to the recommendations of the lubricant Manufacturer.
  • Page 153 SECTION 5 Pronar T286 ITEM LUBRICATION POINT Telescopic support with gear Slide bearing of the cylinder of the drawbar with shock absorption Slide bearing of the tipping cylinder Roller pin Central frame rotation pin Slide bearing of the telescopic cylinder of the hook...
  • Page 154 Pronar T286 SECTION 5 ITEM LUBRICATION POINT Working surface of hitching eye Tipping frame interlock pin 50C or Pin socket * - version with mechanical suspension ** - whichever comes first lubrication periods – M months, D – days, C - cycle...
  • Page 155 SECTION 5 Pronar T286 FIGURE 5.14 Trailer's lubrication points, part 1 5.39...
  • Page 156 Pronar T286 SECTION 5 FIGURE 5.15 Trailer's lubrication points, part 2 5.40...

  • Page 157: Consumables

    SECTION 5 Pronar T286 5.9 CONSUMABLES 5.9.1 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 158: Lubricants

    Pronar T286 SECTION 5 with the use of carbon dioxide, foam or extinguisher steam. Do not use water to quench oil fires. 5.9.2 LUBRICANTS For parts under great load it is recommended to apply lithium grease with molybdenum disulphide (MOS ) or graphite additive.
  • Page 159 SECTION 5 Pronar T286 • For cleaning and maintenance of plastic coated surfaces it is recommended to use clean water or special preparations designed for this purpose. • Do not apply organic solvents, preparations of unknown origin or other substances, which may cause damage to lacquered, rubber or plastic surfaces. In the event of doubt it is recommended to make a test on an unseen surface area.

  • Page 160: Storage

    Pronar T286 SECTION 5 5.11 STORAGE • Trailer should be kept in a closed or roofed building. • If the machine will not be used for a long time, it is essential to protect it from adverse weather, especially rust and accelerated tyre deterioration. During this time the machine must be unloaded.
  • Page 161 SECTION 5 Pronar T286 10.9 THREAD METRIC Md [Nm] 1 050 1,150 1,650 1 050 1 450 2 100 – resistance class according to DIN ISO 898 standard Hydraulic conduits should be tightened using torque of 50 – 70 Nm.

  • Page 162: Troubleshooting

    Pronar T286 SECTION 5 5.13 TROUBLESHOOTING TABLE 5.10 Troubleshooting FAULT CAUSE REMEDY Brake system conduits not Connect brake conduits (applies connected to pneumatic systems) Parking brake applied Release parking brake. Damaged pneumatic Replace. system connection conduits Tighten, replace washers or seal Problem with moving off Leaking connections.
  • Page 163 SECTION 5 Pronar T286 FAULT CAUSE REMEDY Check oil quality, make sure that Improper hydraulic oil the oil in both machines is of the viscosity. same type. If necessary change oil in tractor or in trailer Insufficient tractor hydraulic pump output, tractor Check tractor hydraulic pump.
  • Page 164 Pronar T286 SECTION 5 FAULT CAUSE REMEDY Check according to chapter 5.4, Tipping / pulling the load Faulty inductive sensor. replace if necessary. box on / removing the load box from the trailer is Repair at an authorised service not possible.
  • Page 165 NOTES …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………...
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  • Page 167 ANNEX A Trailer Pronar T286 wheel dimensions TYRE DIMENSIONS WHEEL RIM SIZE Wheel 445 / 65 R22,5 Wheel rim 14.00x22.5; ET=0 Wheel 500/ 60 R22,5 166A8 Wheel rim 16.00x22.5H2; ET=0 Wheel 550 / 60- 22.5 171A8 Wheel rim 16.00x22.5; ET=0 Wheel 560 / 60- 22,5 161D Wheel rim 16.00x22.5;...
  • Page 168 ANNEX B Reference list of oils for the hydraulic steering system. TOTAL Equivis ZS 22 ELF Hydrelf 22 SHELL Tellus T22 TEXACO Rando HDZ 22 BP Energol SHF 22 ESSO Univis N22 AGIP Arnica 22...

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