PRONAR T400 Operator's Manual
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PRONAR T400 Operator's Manual

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ISSUE 2A-11-2013
PRONAR Sp. z o.o.
17-210 NAREW, UL. MICKIEWICZA 101A, WOJ. PODLASKIE
tel.:
fax:
OPERATOR'S MANUAL
PRONAR T400
TRANSLATION OF THE ORIGINAL DOCUMENT
+48 085 681 63 29
+48 085 681 63 81
+48 085 681 63 83
TRAILER
PUBLICATION NO. 252N-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 PRONAR T400

  • Page 1 PRONAR Sp. z o.o. 17-210 NAREW, UL. MICKIEWICZA 101A, WOJ. PODLASKIE tel.: +48 085 681 63 29 +48 085 681 64 29 +48 085 681 63 81 +48 085 681 63 82 fax: +48 085 681 63 83 +48 085 682 71 10 www.pronar.pl...
  • Page 3 The machine is designed to meet obligatory standards, documents and legal regulations currently in force. The manual describes the basic principles of safe use and operation of the PRONAR T400 agricultural trailer. If the information contained in the Operator’s Manual needs clarification then the user should refer for assistance of the sale point where the machine was purchased or to the Manufacturer.
  • Page 4 SYMBOLS USED IN THE MANUAL Information, description of threats and precautions as well as recommendations and orders connected with safety of use, in contents of the instruction, are distinguished with the sign: or preceded with the word „DANGER". Non-compliance with recommendations described in the manual creates danger for life and health of operators or strangers.
  • Page 5 DIRECTIONS USED IN THE 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

    TABLE OF CONTETNT BASIC INFORMATION 1.1 IDENTIFICATION 1.1.1 TRAILER IDENTIFICATION 1.1.2 DRIVE AXLE IDENTIFICATION 1.1.3 SERIAL NUMBERS LIST 1.2 INTENDED USE 1.3 EQUIPMENT 1.4 TERMS OF WARRANTY 1.5 TRANSPORT 1.11 1.5.1 CAR TRANSPORT 1.11 1.5.2 INDEPENDENT TRANSPORT 1.13 1.6 ENVIRONMENTAL HAZARD 1.13 1.7 DISPOSAL 1.14...
  • Page 8 STRUCTURE AND PRINCIPLES OF OPERATION 3.1 TECHNICAL FEATURES 3.2 CHASSIS 3.3 LOADING PLATFORM 3.4 TAILGATE HYDRAULIC SYSTEM 3.5 FLOOR CONVEYOR MECHANISM HYDRAULIC SYSTEM 3.6 STEERING AXLE HYDRAULIC SYSTEM 3.10 3.7 TILTING FRONT WALL HYDRAULIC SYSTEM 3.11 3.8 PNEUMATIC BRAKES SYSTEM 3.12 3.9 DOSING DRUMS WITH POWER TRANSMISSION SYSTEM 3.16...
  • Page 9 TECHNICAL SERVICE 5.1 BASIC INFORMATION 5.2 BRAKES AND AXLE SERVICE 5.2.1 BASIC INFORMATION 5.2.2 AXLE BEARING CLEARANCE CONTROL 5.2.3 AXLE BEARING CLEARANCE ADJUSTMENT 5.2.4 MOUNTING AND DISMOUNTING THE WHEEL, CHECKING BOLT CONNECTIONS 5.2.5 AIR PRESSURE CONTROL, TIRES AND RIMS TECHNICAL CONDITION INSPECTION 5.2.6 CHECKING THE BRAKE LINING WEAR...
  • Page 10 5.6 ELECTRICAL INSTALATION AND WARNING COMPONENTS SERVICE 5.29 5.6.1 BASIC INFORMATION 5.29 5.6.2 LIGHT BULBS REPLACEMENT 5.31 5.7 LUBRICATION 5.31 5.8 CONSUMABLES 5.36 5.8.1 HYDRAULIC OIL 5.36 5.8.2 LUBRICANTS 5.37 5.9 TRAILER CLEANING 5.38 5.10 STORAGE 5.39 5.11 FLOOR CONVEYOR CHAINS TENSION REGULATION 5.41 5.12 CHAIN TRANSMISSION SERVICE...

  • Page 11: Basic Information

    CHAPTER BASIC INFORMATION...

  • Page 12: Identification

    Location of the type plate and serial number (1) type plate, (2) serial number Trailer PRONAR T400 is marked with the type plate (1), placed on the front beam of the loading box and serial number (2) placed on a rectangular shaped field painted in gold. When purchasing the machine, check the conformity of serial numbers on the machine with the number written in the Warranty Card, the sales documents and the User’s Manual.

  • Page 13: Drive Axle Identification

    CHAPTER 1 Pronar T400 Table 1.1 Type plate markings MEANING General description and function Trailer symbol / type Year of production VIN number Approval certificate number Unladen weight Permissible laden mass Load capacity Permissible load on the coupling Permissible load axle 1 Permissible load axle 2 1.1.2 DRIVE AXLE IDENTIFICATION...

  • Page 14: Intended Use

    Pronar T400 CHAPTER 1 Figure 1.2 Location of the drive axle type plate (1) drive axle beam, (2) type plate In case of ordering spare parts or any problems it is often necessary to provide serial numbers of components or trailer VIN number, as for that, it is recommended to fill in those numbers in the fields above.
  • Page 15 CHAPTER 1 Pronar T400 transport it to the ensilage forage. The machine can be used as a trailer accompanying self- propelled harvesters adapted for harvesting green swaths or biomass. The trailer is adapted to transport voluminous materials within the farm and on public roads with a maximum speed of 40 km / h.
  • Page 16 Pronar T400 CHAPTER 1 • comply with traffic regulations and transport regulations in force in the country where the trailer is used, • become acquainted with the contents of the farm tractor instruction manual and comply with its recommendations, • aggregate the vehicle only with such an agricultural tractor, that meets all the requirements set by the trailer manufacturer.
  • Page 17 CHAPTER 1 Pronar T400 Table 1.2 Requirements for the agricultural tractor DESCRIPTION UNIT REQUIREMENT Braking system Two-line pneumatic system According to PN-ISO 1728:2007 Maximum system pressure bar / kPa 8 / 800 Hydraulic system Hydraulic oil L HL 32 Lotos...

  • Page 18: Equipment

    Pronar T400 CHAPTER 1 1.3 EQUIPMENT Some standard equipment items that are listed in table (1.3) may not be included in the trailer supplied. This is due to the possibility of ordering a new machine with a different set - optional equipment, replacing the standard equipment.

  • Page 19: Terms Of Warranty

    • Telescopic drive shaft 7105121CE007007 - manufacturer: Bondioli & Pavesi, 1.4 TERMS OF WARRANTY PRONAR Sp. z o.o. in Narew guarantees reliable operation of the machine when used in accordance with the technical and operational conditions described in the OPERATOR'S MANUAL.
  • Page 20 Pronar T400 CHAPTER 1 The warranty does not apply to parts and sub-assemblies of the machine, which are subject to wear in normal operating conditions, regardless of the warranty period. The group of these elements includes min. the following parts / components: •...

  • Page 21: Transport

    CHAPTER 1 Pronar T400 by the warranty or not. Detailed warranty conditions are given in the WARRANTY CARD attached to the newly purchased machine. Modifications of the trailer without the written consent of the Manufacturer are prohibited. In particular, welding, reaming, cutting and heating of the main machine components that directly affect safety during use are not permitted.
  • Page 22 Pronar T400 CHAPTER 1 of the car carrying the trailer, the speed of travel and other conditions. Therefore, it is not possible to specify the fastening plan in detail. A properly attached trailer will not change its position relative to the transporting vehicle. The fastening means must be selected according to the manufacturer's instructions.

  • Page 23: Independent Transport

    CHAPTER 1 Pronar T400 During reloading work, particular attention should be paid so as not to damage the machine equipment components and the paint coating. The own weight of the trailer in running order is given in table (3.1). DANGER Incorrect use of securing measures can be a cause of an accident.

  • Page 24: Disposal

    Pronar T400 CHAPTER 1 DANGER Used hydraulic oil or collected remains mixed with absorbent material should be stored in a precisely marked container. Do not use food packaging for this purpose. Oil which has been used up or is unsuitable for further use due to the loss of its properties is recommended to be stored in its original packaging in the same conditions as described previously.
  • Page 25 CHAPTER 1 Pronar T400 In the event of parts being replaced, worn or damaged parts that cannot be regenerated or repaired should be sent to a recycling center. Hydraulic oil should be taken to the appropriate facility dealing with the utilization of this type of waste.
  • Page 26 Pronar T400 CHAPTER 1 1.16...

  • Page 27: Users Safety

    CHAPTER USERS SAFETY...

  • Page 28: Basic Safety Rules

    Pronar T400 CHAPTER 2 2.1 BASIC SAFETY RULES 2.1.1 TRAILER USE • Before using the trailer, the user should carefully read the content of this publication. During the operation all the recommendations contained in it must be respected. • The trailer may only be used and operated by person authorized to drive agricultural tractors with a trailer.

  • Page 29: Safety While Aggregating The Machine

    CHAPTER 2 Pronar T400 • The trailer may only be used when all the covers and other protective components are technically functional and correctly positioned. If the covers are damaged or lost, they must be replaced with new ones. • Before using the trailer always check its technical condition. In particular, check the technical condition of the hitch system, chassis, the braking system and the traffic lights as well as the tension of the conveyor chain.

  • Page 30: Safety Principles For Hydraulic And Pneumatic System

    Pronar T400 CHAPTER 2 • When setting the support in driving or resting position, do not put your hands between the moving parts of the support. Make sure that the support is properly locked with a bolt. 2.1.3 SAFETY PRINCIPLES FOR HYDRAULIC AND PNEUMATIC SYSTEM OPERATION •...

  • Page 31: Working With The Power Take-Off (Pto)

    CHAPTER 2 Pronar T400 2.1.4 WORKING WITH THE POWER TAKE-OFF (PTO) • Before starting work, become acquainted with the drive shaft operating instructions provided by the shaft manufacturer and follow the recommendations contained therein. • The trailer may be connected to the tractor only by means of a suitably selected articulated telescopic shaft, recommended by the Manufacturer.

  • Page 32: Principles Of Safe Driving

    Pronar T400 CHAPTER 2 • Disconnect the drive shaft each time when there is no need to drive the machine, or when the tractor and trailer are in an unfavorable angular position with respect to each other. • The safety chain of the shaft cover must be secured against turning while the shaft is working, it should be secured to a permanent structural element of the trailer.
  • Page 33 CHAPTER 2 Pronar T400 Figure 2.1 Wheel chocks placement (1) wheel chock • Chocks should only be placed under one wheel (one in front of the wheel, the other in the back – figure (2.1). Chocks should not be placed under the wheel of the rear steering axle.
  • Page 34 Pronar T400 CHAPTER 2 • Periodically drain air tanks in the pneumatic system. During hoarfrost, freezing water may cause damage to system components. Figure 2.2 SMV rear marking plate placement (1) SMV plate (2) plate mounting • When driving on public roads, the tractor operator must ensure that the trailer and tractor have a certified or approved warning reflective triangle.

  • Page 35: Loading And Unloading Of The Trailer

    CHAPTER 2 Pronar T400 • The load must be secured so that it cannot move. • Before driving off make sure that the support is in driving position and secured. • It is forbidden to transport unauthorized loads as well as people and animals on the trailer.

  • Page 36: Tires

    Pronar T400 CHAPTER 2 • Make sure that there are no bystanders in the unloading area or the tailgate being raised. Ensure proper visibility before unloading and ensure that there are no other people nearby. • Keep a safe distance from overhead electric lines when raising the tailgate.

  • Page 37: Principles Of Safe Technical Operation

    In the case of work with the hydraulic installation, it is recommended to use oil resistant gloves and protective glasses. • Any modification to the trailer releases PRONAR Narew from liability for damage or injury. • Regularly check the technical condition of safety devices and correct tightening of screw connections (in particular drawbar eyes, wheels).
  • Page 38 Pronar T400 CHAPTER 2 • Perform maintenance and repair activities applying general principles of health and safety at work. In the event of a cut, the wound should be immediately washed and disinfected. If serious injury is suffered, medical advice should be sought.

  • Page 39: Residual Risk

    Damaged towing eye should be replaced. 2.2 RESIDUAL RISK The company Pronar Sp. z o. o. o. in Narew made every effort to eliminate the risk of an accident. However, there is some residual risk that can lead to an accident and is primarily associated with the following activities: •...

  • Page 40: Information And Warning Stickers

    Pronar T400 CHAPTER 2 • maintaining a safe distance from prohibited or dangerous places during unloading, loading and coupling the trailer, • performing maintenance and repair work in accordance with the principles of operating safety, • carrying out maintenance and repair work by trained persons, •...
  • Page 41 CHAPTER 2 Pronar T400 Table 2.1 Information and warning decals DECAL DESCRIPTION Trailer type. Attention! Before starting work, read the User manual. Before starting service or repair work, turn off the shredder motor and remove the ignition key Control the condition of...
  • Page 42 Pronar T400 CHAPTER 2 DECAL DESCRIPTION Warning decal. Turning on / of the conveyor mechanism – red connector cap. Raising / lowering the tailgate – black connector cap. Turning on / of the steering blocking mechanism – blue connector cap.
  • Page 43 CHAPTER 2 Pronar T400 DECAL DESCRIPTION Before entering the loading surface, switch off the tractor engine and remove the ignition key. Danger of limbs crushing. Exercise caution near rotating machine components. Danger of crushing. Keep your limbs away from the danger zone.
  • Page 44 Pronar T400 CHAPTER 2 DECAL DESCRIPTION Danger of crushing. Keep your limbs away from the danger zone. Exercise caution near rotating machine components. Information label. Air pressure in the tires. Mounting points for transport. Drive shaft rotational speed. 2.18...
  • Page 45 CHAPTER 2 Pronar T400 Figure 2.3 Information and warning decals positioning 2.19...
  • Page 46 Pronar T400 CHAPTER 2 2.20...

  • Page 47: Structure And Principles Of Operation

    CHAPTER STRUCTURE AND PRINCIPLES OF OPERATION...

  • Page 48: Technical Features

    Pronar T400 CHAPTER 3 3.1 TECHNICAL FEATURES Table 3.1 Technical features for standard version DESCRIPTION UNIT T400 Dimensions Overall length (with drawbar) 10 100 Overall width 2 900 Maximum height 3 950 Wheel track 2 200 Wheelbase 1 810 Inner load box dimensions:...

  • Page 49: Chassis

    (11). In standard equipment of the Pronar T400 trailer, there are also two support chocks (10) mounted on the left longeron. On the opposite side of the trailer there is a tool box (12).
  • Page 50 Pronar T400 CHAPTER 3 Figure 3.1 Components of the chassis (1) lower frame, (2) rigid front axle, (3) rear steered axle, (4) wheel, (5) absorber spring, (6) drawbar, (7) mudguard, (8) bumper, (9) lightning panel, (10) chock, (11) support, (12) tool...

  • Page 51: Loading Platform

    3.5 FLOOR CONVEYOR MECHANISM HYDRAULIC SYSTEM. The floor (6) of the Pronar T400 trailer is made of boards laid and bolted to the lower crossbars of the load box. The boards are arranged tightly next to each other, each subsequent board is shifted towards the neighbor by half the length.
  • Page 52 Pronar T400 CHAPTER 3 Figure 3.2 Load box components (1) side wall, (2) tailgate, (3) tilting extension, (4) floor conveyor, (5) scrapper bar, (6) floor, (7) tightening string...

  • Page 53: Tailgate Hydraulic System

    CHAPTER 3 Pronar T400 3.4 TAILGATE HYDRAULIC SYSTEM Figure 3.3 Tailgate hydraulic system (1) tailgate, (2) hydraulic cylinder, (3) hydraulic lock, (4) hose Protective caps for quick connectors of the tailgate hydraulic systems are marked in blue - see TABLE (2.1).

  • Page 54: Floor Conveyor Mechanism Hydraulic System

    (1) hydraulic cylinder, (2) hydraulic lock, (3) hose 3.5 FLOOR CONVEYOR MECHANISM HYDRAULIC SYSTEM The Pronar T400 trailer is equipped with a floor conveyor mechanism hydraulic system - figure (3.5), designed for automatic unloading of volumetric materials by moving the scraper bars backwards with the help of chains.
  • Page 55 CHAPTER 3 Pronar T400 move at similar speeds and their scraping bars are arranged alternately for easier unloading. The installation has two valves (3) to protect hydraulic motors from damage. Figure 3.5 Schematic diagram and design of the floor conveyor mechanism...

  • Page 56: Steering Axle Hydraulic System

    CHAPTER 3 3.6 STEERING AXLE HYDRAULIC SYSTEM The Pronar T400 trailer is, as a standard, equipped with a rear steering axle, passively steered - figure (3.6). The axle design enables easy and undisturbed cornering especially on marshy terrain, which reduces machine tire wear.

  • Page 57: Tilting Front Wall Hydraulic System

    CHAPTER 3 Pronar T400 3.7 TILTING FRONT WALL HYDRAULIC SYSTEM Figure 3.7 Front tilting extension hydraulic system (1) cylinder, (2) hydraulic hose, (3) quick coupling - plug, (4) front extension The tilting front extension (2) makes loading the trailer with the help of self-propelled forage harvesters, belt conveyors or self-propelled loaders easier.

  • Page 58: Pneumatic Brakes System

    Pronar T400 CHAPTER 3 Hydraulic oil from quick couplers (3) goes through hoses (2) to the cylinder (1) which, depending on the direction of oil supply, opens or closes the trailer's front extension. 3.8 PNEUMATIC BRAKES SYSTEM The T400 trailer is equipped with one of two types of service brake systems (pneumatic brakes): •...
  • Page 59 CHAPTER 3 Pronar T400 Figure 3.8 Design and schematic sketch of the brake installation with manual braking force regulator (1) line connector, (2) control valve, (3) braking force regulator, (4) air tank (5) air filter, (6) pneumatic cylinder, (7) drain valve, (8) control connector...
  • Page 60 Pronar T400 CHAPTER 3 Figure 3.9 Design and schematic sketch of the brake installation with automatic braking force regulator (1)) line connector, (2) control valve, (3) automatic brake force regulator, (4) relay valve, (5) air tank, (6) pneumatic cylinder, (7) air filter, (8) air tank control connector, (9) drain valve The automatic braking force regulator (3) adjusts the braking pressure depending on the load of the trailer.
  • Page 61 CHAPTER 3 Pronar T400 Figure 3.10 Three-position manual regulator (1) three-position braking force regulator, (2) regulator setup selection valve, (A), (B), (C) regulator setup positions The system is equipped with two pneumatic connections. They are marked with colored protective covers, which enables identification of individual connections: - red –...

  • Page 62: Dosing Drums With Power Transmission System

    Pronar T400 CHAPTER 3 3.9 DOSING DRUMS WITH POWER TRANSMISSION SYSTEM The dosing drums are driven by means of a power transmission mechanism consisting of shafts, PTO couplings and an angular gear (3). The construction of the transmission mechanism and dosing drums is shown in Figure (3.11).

  • Page 63: Parking Brake

    CHAPTER 3 Pronar T400 on the trailer side are connected. The shaft (6) is equipped with an automatic clutch that protects the power transmission mechanism to the dosing drums. The clutch interrupts power transmission when the torque exceeds the clutch calibration value. After decreasing the shaft speed or stopping power take-off, the clutch automatically re-engages.

  • Page 64: Wheels Steering Lock System

    Pronar T400 CHAPTER 3 Figure 3.12 Parking brake (1) brake crank mechanism, (2) expander arm, (3) guide wheel with mounting, (4) string 3.11 WHEELS STEERING LOCK SYSTEM The trailer is equipped, as a standard, with a rear steering axle, passively steered. The axle design allows for smoother cornering and easier maneuvering on marshy terrain, which reduces machine tire wear.

  • Page 65: Lubrication System

    CHAPTER 3 Pronar T400 Figure 3.13 Steering system components (1) steering lock cylinder, (2) rear steering axle, (3) hydraulic quick coupling, (4) hydraulic hose, (5) information label 3.12 LUBRICATION SYSTEM The trailer is equipped with a lubrication system facilitating lubrication of the floor conveyor chain drive mechanisms.
  • Page 66 Pronar T400 CHAPTER 3 Figure 3.14 Lubrication system components (1) straight connector with a cap, (2) angled connector, (3) grease line, (4) grease nipple body A detailed schedule of trailer lubrication is given in chapter 5 TRAILER LUBRICATION. 3.20...

  • Page 67: Electrical And Lightning System

    CHAPTER 3 Pronar T400 3.13 ELECTRICAL AND LIGHTNING SYSTEM The lightning electrical installation of the trailer is adapted to be powered from a 12 V DC source. Two cables with 7-pin plugs, compliant with ISO 1724 standards are intended for powering the system.
  • Page 68 Pronar T400 CHAPTER 3 Table 3.2 Pin Connectors compliant with ISO 1724 COLOR FUNCTION MARKING BLACK Ground ORANGE Left position lights BLUE Left direction-indicator GREEN STOP lights BLACK – GREEN Right direction-indicator BROWN Right position lights Figure 3.16 Lightning electrical installation sketch...

  • Page 69: Principles Of Use

    CHAPTER PRINCIPLES OF USE...

  • Page 70: Preparations Before First Start-Up

    CHAPTER 4 4.1 PREPARATIONS BEFORE FIRST START-UP The manufacturer ensures that the Pronar T400 trailer is fully functional, it has been checked in accordance with control procedures and approved for use. However, this does not release the user from the obligation to check the machine after delivery and before first use. The machine is delivered to the user completely assembled.
  • Page 71 CHAPTER 4 Pronar T400 the tractor's cab. In order to carry out an inspection, the following actions should be performed: • after coupling the trailer, raise the drawbar support, • check if lighting system is functional by activating individual trailer lights, •...

  • Page 72: Technical Condition Control

    Pronar T400 CHAPTER 4 4.2 TECHNICAL CONDITION CONTROL Table 4.1 TECHNICAL CONTROL SCHEDULE INSPECTION DESCRIPTION MAINTENANCE ACTIONS INTERVAL Hitch the trailer to the tractor, driving Operation of the braking system forward check the operation of the brakes After connecting the trailer to the...

  • Page 73: Aggregation With Tractor

    CHAPTER 4 Pronar T400 ATTENTION It is forbidden to use a defective trailer. Before connecting the hydraulic system hoses, read the tractor manual and follow the manufacturer's instructions. 4.3 AGGREGATION WITH TRACTOR The trailer may be connected to an agricultural tractor if all the connections and the coupling are in accordance with the trailer manufacturer's requirements.
  • Page 74 Pronar T400 CHAPTER 4 Trailer conduits connectors and sockets on the tractor must be free of dirt. Pneumatic system connectors are equipped with rubber seals that cannot be damaged or contaminated. DANGER During aggregation, no unauthorized persons are allowed between the trailer and the tractor.

  • Page 75: Support Foot Handling

    CHAPTER 4 Pronar T400 Connect the yellow pneumatic conduit. Connect the red pneumatic conduit. Connect the lighting and signaling installation electrical cable. Connect the red hydraulic hoses of the conveyor mechanism. Connect the black hydraulic hoses of the tailgate system.
  • Page 76 Pronar T400 CHAPTER 4 Lowering the support Remove the safety pin. Pull the foot out of the support body. Reinsert the locking pin. Turning the crank clockwise, lower the support to the ground, or adjust the height of coupling in relation to the hitch (if the trailer is to be coupled with the tractor).

  • Page 77: Loading

    CHAPTER 4 Pronar T400 4.4 LOADING Loading the load box can only take place when the trailer is connected to the tractor and placed on level ground. The load should be evenly distributed in the load box. This will ensure proper stability of the trailer while driving and correct axle and drawbar eye load. It is recommended to use a loader or conveyor when loading.
  • Page 78 Pronar T400 CHAPTER 4 Before loading, make sure the tailgate is closed. Check that there are no objects or people in the load box. Avoid dropping loads that can damage the trailer from height. The use of other loads than those foreseen by the Manufacturer is prohibited.
  • Page 79 CHAPTER 4 Pronar T400 VOLUMETRIC WEIGHT MATERIAL kg/m cut wilted clover (Lucerne) in a trailer 110 - 160 wilted clove (Lucerne) in a collecting wagon 60 – 100 stored dry clove 40 - 60 cut stored dry clove 80 - 140...

  • Page 80: Unloading

    CHAPTER 4 4.5 UNLOADING The unloading of the Pronar T400 trailer load box is done by opening the tailgate (2) and activating the conveyor mechanism (3). In additional equipment the trailer has dosing drums (4), which facilitate unloading of transported cargo. The hydraulic conveyor mechanism is used for automatic unloading of the trailer.

  • Page 81: Transport Of Load

    CHAPTER 4 Pronar T400 Close the tailgate. Figure 4.3 Unloading the load box (1) load box, (2) tailgate, (3) floor conveyor mechanism, (4) dosing drums 4.6 TRANSPORT OF LOAD While driving, comply with traffic regulations, be prudent and reasonable. The following are the most important tips for managing the set.
  • Page 82 Pronar T400 CHAPTER 4 • Before moving off make sure that there are no bystanders, especially children, near the trailer and tractor. Ensure proper visibility. • Make sure that the trailer is correctly coupled to the tractor and tractor's hitch is properly secured.

  • Page 83: Disconnection From Tractor

    CHAPTER 4 Pronar T400 • It should be kept in mind that the braking distance of the set increases significantly with the increase in the weight of the transported load and the increase in speed. • Reduce your speed sufficiently in advance of approaching bends, when driving on uneven or sloping terrain.

  • Page 84: Principles Of Tires Use

    Pronar T400 CHAPTER 4 When disconnecting pneumatic system lines, first disconnect the cable with the red connector, and then the cable with the yellow connector. ATTENTION The trailer disconnected from the tractor should be immobilized by means of the parking brake, chocks should be placed under the wheel of the rigid axle.
  • Page 85 CHAPTER 4 Pronar T400 In the case of intensive work, tightening checks should be carried out at least once every 10,000 kilometers. In each case, the inspection activities should be repeated if the trailer wheel was disassembled. 4.17...
  • Page 86 Pronar T400 CHAPTER 4 4.18...

  • Page 87: Technical Service

    CHAPTER TECHNICAL SERVICE...

  • Page 88: Basic Information

    Pronar T400 CHAPTER 5 5.1 BASIC INFORMATION When using the trailer, it is necessary to constantly check the technical condition and perform maintenance procedures that will allow to keep the vehicle in good technical condition. Therefore, the trailer user is obliged to perform all maintenance and adjustment activities specified by the Manufacturer.

  • Page 89: Axle Bearing Clearance Control

    CHAPTER 5 Pronar T400 • other axle repairs. Can only be carried out by specialized workshops. DANGER It is forbidden to use the trailer with defective brakes installation. 5.2.2 AXLE BEARING CLEARANCE CONTROL Preparatory activities Hitch trailer to tractor, immobilize the tractor with parking brake.
  • Page 90 Pronar T400 CHAPTER 5 Figure 5.1 Jacking points (1) axle, (2) U-bolt, (3) lower frame Checking the clearance of the axle bearings: • after covering the first 1,000 km, • during intensive use of the trailer at least every 10,000km, •...

  • Page 91: Axle Bearing Clearance Adjustment

    CHAPTER 5 Pronar T400 Damaged hub cover or lack of it will cause the penetration of dirt and moisture into the hub, which will result in much faster wear of bearings and hub seals. Bearing life depends on trailer operating conditions, load, vehicle speed and lubrication conditions.

  • Page 92: Mounting And Dismounting The Wheel, Checking Bolt Connections

    Pronar T400 CHAPTER 5 The nut may not be tightened too much. It is not recommended to apply too much force due to deterioration of the operating conditions of the bearings. Secure castellated nut with cotter pin and mount hub cover.
  • Page 93 CHAPTER 5 Pronar T400 Place chocks under the trailer wheel opposite to the dismounted one. Ensure that the trailer is properly secured and will not roll away during wheel dismounting. Loosen wheel nuts in the order given in figure (5.3) Place the jack and raise the trailer on such height that the wheel being changed does not rest on the ground.
  • Page 94 Pronar T400 CHAPTER 5 you can use a regular key. The key arm (L), figure (5.3) should be selected according to the weight of the operator (F) tightening the nut. It should be kept in mind that this method of tightening is not as accurate as when using a torque wrench.

  • Page 95: Air Pressure Control, Tires And Rims Technical Condition Inspection

    CHAPTER 5 Pronar T400 WHEEL TIGHTENING TORQUE OPERATOR’S WEIGHT KEY LENGTH (L) [NM] [KG] 0.65 0.75 0.88 0.95 Checking wheel nuts tightness: • after the first use of the trailer, • after the first use with load, • after covering the first 1,000 km and every 6 months of use or every 25,000 In case of intensive use of the trailer, the inspection should be carried out at least every 10,000 km.

  • Page 96: Checking The Brake Lining Wear

    Pronar T400 CHAPTER 5 Damaged tires or wheels can be a cause of a serious accident. In the event of mechanical damage, consult your nearest tire service center and make sure if the defect in the tire qualifies it for replacement.

  • Page 97: Mechanical Brakes Regulation

    CHAPTER 5 Pronar T400 Figure 5.4 Brake shoes inspection (1) brake drum, (2) brake chamber wall, (3) control holes, (G) lining thickness 5.2.7 MECHANICAL BRAKES REGULATION Significant lining wear increases the stroke of the brake cylinder piston and deteriorates braking performance.
  • Page 98 Pronar T400 CHAPTER 5 ATTENTION An incorrectly adjusted brake can cause the shoes to rub against the drum, which may result in faster wear of the brake linings and / or overheating of the brake. Figure 5.5 Drive axle brake construction...
  • Page 99 CHAPTER 5 Pronar T400 The control involves measuring the extension length of each piston rod during braking at a standstill. If the piston rod stroke exceeds the maximum value (45 mm), the system should be adjusted. Figure 5.6 Brake adjustment rule...
  • Page 100 Pronar T400 CHAPTER 5 Secure the trailer against rolling away using wheel chocks. Mark the position of piston rod (1) during maximum retraction when the trailer is unbraked with line (A) Press the brake pedal on the tractor, mark the position of maximum extension of the piston rod with line (B).

  • Page 101: Parking Brake String Replacement And Tensness Regulation

    CHAPTER 5 Pronar T400 If the piston rod stroke is not within the correct operating range, repeat the adjustment. • Before a period of intensive use. • Every 6 months. • After repairing the braking system. • In case of uneven braking of the trailer wheels.
  • Page 102 Pronar T400 CHAPTER 5 Figure 5.7 Adjustment of parking brake string tension (1) brake crank mechanism, (2) expander arm, (3) guide wheel with mounting, (4) parking brake string, (5) bow clamp, (6) clamp nuts Adjustment of parking brake string tension Hitch the trailer to the tractor.

  • Page 103: Pneumatic System Service

    CHAPTER 5 Pronar T400 • after repairs to the parking brake system. Before starting the adjustment, make sure that the brakes on the axles are correctly adjusted and function properly. Parking brake control and / or adjustment: • every 12 months, •...

  • Page 104: Airtightnes Control And Visual Inspection

    Pronar T400 CHAPTER 5 5.3.2 AIRTIGHTNES CONTROL AND VISUAL INSPECTION Checking the tightness of pneumatic systems Hitch the trailer to the tractor. Immobilize tractor and trailer with parking brake. Additionally, place chocks under the wheel of the trailer. Start the tractor to refill the air in trailer braking system tank.

  • Page 105: Cleaning The Air Filters

    CHAPTER 5 Pronar T400 etc. may damage them or accelerate the aging process. Bent, permanently deformed, cut or frayed cables are only eligible for replacement. Visual assessment of the installation: • carry out a visual inspection of the system at the same time as the tightness test.

  • Page 106: Drainage Of Air Tanks

    Pronar T400 CHAPTER 5 Figure 5.8 Air filter (1) securing latch, (2) filter cover Cleaning the air filter (filters): • every 3 months of use. 5.3.4 DRAINAGE OF AIR TANKS The scope of service activities Repeal the drain valve stem (1) located at the bottom of the tank (2) - the tank is located on the right longeron of the lower frame.

  • Page 107: Cleaning Of Drain Valve

    CHAPTER 5 Pronar T400 Figure 5.9 Air tank drainage (1) drain valve, (2) air tank, Air tank drainage: • every seven days of use. 5.3.5 CLEANING OF DRAIN VALVE DANGER Bleed the air reservoir before removing the drain valve. The scope of service activities Completely reduce the pressure in the air tank.

  • Page 108: Cleaning And Maitainance Of Pneumatic Line Connectors And Sockets

    Pronar T400 CHAPTER 5 Replace the copper seal. Screw in the valve, fill the tank with air, check the tank for leaks. Cleaning the valves: • every 12 months (before the winter period). 5.3.6 CLEANING AND MAITAINANCE OF PNEUMATIC LINE CONNECTORS...

  • Page 109: Replacing Pneumatic Lines

    CHAPTER 5 Pronar T400 5.3.7 REPLACING PNEUMATIC LINES Permanently deformed, cut or frayed pneumatic lines qualify only for replacement. The scope of service activities Completely reduce system pressure. Pressure reduction can be achieved by repealing the drain valve stem. Remove the pneumatic conduit by unscrewing the nut (2).

  • Page 110: Hydraulic System Service

    Pronar T400 CHAPTER 5 Check connections tightness according to chapter (5.3.2). 5.4 HYDRAULIC SYSTEM SERVICE 5.4.1 BASIC INFORMATION Work related to the repair, replacement or regeneration of hydraulic system components (tipping cylinders, valves, etc.) should be entrusted to specialized workshops that have the appropriate technologies and qualifications to perform this type of work.

  • Page 111: Control Of Technical Condition Of Hydraulic Connectors And Sockets

    CHAPTER 5 Pronar T400 Clean connectors and cylinders. Open and close the tailgate several times. When the cylinder piston rod is fully extended, check the cylinder bore for signs of seizing and deep scratches. Start the floor conveyor mechanism - check the smoothness of the chain movement.

  • Page 112: Hydraulic Hoses Replacement

    Pronar T400 CHAPTER 5 Checking the hydraulic connectors and sockets: • Each time before connecting the trailer to the tractor. 5.4.4 HYDRAULIC HOSES REPLACEMENT Rubber hydraulic hoses should be replaced every 4 years regardless of their technical condition. This operation should be entrusted to specialized workshops.
  • Page 113 CHAPTER 5 Pronar T400 INSPECTION SERVICE ACTIVITIES INTERVAL If there is clearance between the springs and the axle, check the entire mounting system: U-bolts, and guide plates and clamping plates of the spring bolts. Figure 5.11 Mechanical suspension maintenance (1) spring, (2) „U” bolt, (A) U bolt nuts, (B) suspension screw connections, (C) reaction rods...

  • Page 114: Electrical Instalation And Warning Components

    Pronar T400 CHAPTER 5 with new ones. If oil leaks outside the connector, the leaking system line must be replaced. Any mechanical damage requires replacement of the subassembly with a new one. In case of damage to the hydraulic cylinders, they must be replaced or repaired.
  • Page 115 CHAPTER 5 Pronar T400 The user's obligations only include: • technical inspection of the electrical installation and reflectors, • changing light bulbs. Before traveling, make sure that all lamps and reflectors are clean. The scope of service activities Connect the trailer to the tractor with appropriate connection cable.

  • Page 116: Light Bulbs Replacement

    Pronar T400 CHAPTER 5 5.6.2 LIGHT BULBS REPLACEMENT Light bulb list is presented in table (5.3). All lampshades of lighting lamps are mounted with screws and there is no need to disassemble the entire lamp or trailer components. Table 5.3...
  • Page 117 CHAPTER 5 Pronar T400 GREASE LUBRICATION POINTS QUANTITY INTERVAL TYPE Hub bearings Towing eye Front extension hinges Tailgate pins Tailgate cylinders bearings Mechanical suspension Rear coupling Parking brake mechanism Floor conveyor front wheel Floor conveyor rear bearing casing Expander shaft sleeves...
  • Page 118 Pronar T400 CHAPTER 5 GREASE LUBRICATION POINTS QUANTITY INTERVAL TYPE Coupler eyelet PTO shaft socket Tailgate cylinder eyelet Articulated shaft joints Dosing drums drive chain Chain tensioner sleeve Lubrication intervals – M month, D – day, H - hour Recommended lubricants: A –...
  • Page 119 CHAPTER 5 Pronar T400 Figure 5.13 Greasing points 5.33...
  • Page 120 Pronar T400 CHAPTER 5 Figure 5.14 Greasing points - suspension 5.34...

  • Page 121: Consumables

    CHAPTER 5 Pronar T400 Figure 5.15 Greasing points – power transmission, dosing drums 5.8 CONSUMABLES 5.8.1 HYDRAULIC OIL It is absolutely necessary to comply with the principle that the oil in the trailer hydraulic system and in the tractor hydraulic system should be of the same grade. If different types of oil are used, make sure that both hydraulic means can be mixed together.

  • Page 122: Lubricants

    Pronar T400 CHAPTER 5 types of oil may cause damage to the trailer or agricultural tractor. The new machine is filled with L HL32 Lotos hydraulic oil. Table 5.5 Hydraulic oil characteristic - L-HL 32 Lotos DESCRIPTION UNIT VALUE Viscosity classification according to ISO 3448VG Kinematic viscosity in 40 28.8 –...

  • Page 123: Trailer Cleaning

    CHAPTER 5 Pronar T400 Before using lubricants, read the information leaflet for the selected product. Particularly important are safety rules and how to handle a given lubricant and how to dispose of waste (used containers, contaminated rags, etc.). The information leaflet (product card) should be kept together with the grease.

  • Page 124: Storage

    Pronar T400 CHAPTER 5 • Oily or greasy surfaces should be cleaned with extraction naphtha or degreasing agents, and then washed with clean water and detergent. Follow the cleaning agent manufacturer's instructions. • Washing detergents should be stored in their original containers, or alternatively, replacement containers, but very clearly marked.

  • Page 125: Floor Conveyor Chains Tension Regulation

    CHAPTER 5 Pronar T400 of steel and accelerate the aging of the tires. The machine must be unloaded during storage time. The trailer should be washed and dried very thoroughly. • Corroded areas should be cleaned of rust, degreased and protected with a primer paint and then painted with a topcoat according to the color scheme.
  • Page 126 Pronar T400 CHAPTER 5 Figure 5.16 Floor conveyor mechanism (1) Floor conveyor mechanism, (2) conveyor chain, (3) drive mechanism, (4) tensioning screw, (5) locking nut, (6) closing link, (7) closing plate, (8) clip If the chain tensioning force is insufficient and adjustment by means of a screw is no longer possible, the chain should be shortened by two links so that the chain can be closed again with the closing link (6).

  • Page 127: Chain Transmission Service

    CHAPTER 5 Pronar T400 Loosen the locking nut (5) - fig. (5.16), Tighten the chain (2) with the screw (4), If the value of the chain tension force is adequate, lock the screw (4) with the nut (5). If the required chain tension has not been obtained, loosen the screw...
  • Page 128 Pronar T400 CHAPTER 5 increases with the working time. Chain elongation which is the reason for this behavior is normal. To adjust the tension of the drive chain it is necessary to: Disconnect PTO shaft from the tractor, Open transmission covers at the rear of the trailer's load box,...
  • Page 129 CHAPTER 5 Pronar T400 Figure 5.17 Chain transmission adjustment (1) chain (2) tensioner, (3) screw, (4) nut 5.43...

  • Page 130: Transmission Service

    Pronar T400 CHAPTER 5 5.13 TRANSMISSION SERVICE All Pronar T400 trailer gears are filled with SAE 90 EP gear oil (API GL-5 SAE 80W / 90). Table 5.6 T400 trailer gears GEAR POSITION AND NUMBER LUBRICANT TYPE OIL AMOUNT Power transmission mechanism 2.5L...

  • Page 131: Tightening Torque Of Bolt Connections

    CHAPTER 5 Pronar T400 5.14 TIGHTENING TORQUE OF BOLT CONNECTIONS Table 5.7 Tightening torque of bolt connections 5.8(1) 8.8(1) 10.9(1) METRIC THREAD Md [Nm] 1 050 1 150 1 650 1 050 1 450 2 100 – strength class according to DIN ISO 898 Figure 5.18...

  • Page 132: Troubleshooting

    Pronar T400 CHAPTER 5 torques for the most common bolted connections are shown in the table below. The given values apply to non-lubricated steel bolts. The hydraulic hoses should be tightened with a torque of 50 - 70 Nm. 5.15 TROUBLESHOOTING Table 5.8...
  • Page 133 CHAPTER 5 Pronar T400 FAULT CAUSE REMOVAL METHOD Replace the bearings together Damaged bearings with the sealing rings. Service brake is incorrectly Adjust expander arm positions. Excessive heating of the adjusted axle hub Worn brake linings Replace brake shoes. Incorrectly connected Check and correct if necessary.
  • Page 134 Pronar T400 CHAPTER 5 FAULT CAUSE REMOVAL METHOD Tailgate closed or not open Check the correct opening of the sufficiently tailgate. Damaged chain Open the covers and check the transmission or insufficient condition and tension of the chain tension. Tensioner transmission chains.
  • Page 135 NOTES …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………...
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  • Page 137 ANNEX A Tires dimension range TRAILER TYPE FRONT AXLE / REAR AXLE 550/60 – 22.5 171 A8 T400 600/55 – 22.5 16P R 700/50 – 26.5 174 A8 – disc wheel 16x22.5” ET=0 - disc wheel 16x22.5” ET=-20 - disc wheel 24x26.5 ET=-50...

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