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Pronar T743

SECTION 3

3.30

Agricultural trailer may be equipped with transported load weighing system. The system

applied is composed of eight loading link cells placed on lower frame mounting brackets.

Trailer load box is placed on them. If the machine is not equipped with weighing system, load

cells are replaced with weight simulators.

Load cells are connected through connection box with electronic display, which analyses

electric signals originating from weighing points and calculating load weight.

FIGURE 3.24 Lighting panel

(1) counter, (2) rubber vacuum cup, (3) load cell connection socket, (4) power supply socket

Counter (1) is mounted in tractor operator cab on bracket with rubber suction pad. Power

supply to counter and whole weighing system is through connection conduit connected with

the lighter socket in the tractor.

Содержание T743

Страница 1: ...l 48 085 681 63 29 48 085 681 64 29 48 085 681 63 81 48 085 681 63 82 fax 48 085 681 63 83 48 085 682 71 10 www pronar pl OPERATOR S MANUAL AGRICULTURAL TRAILER PRONAR T743 TRANSLATION OF THE ORIGINAL COPY OF THE MANUAL ISSUE 2A 01 2010 PUBLICATION NO 205N 00000000 UM EN ...

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Страница 3: ...n Before using the machine the user must carefully read this Operator s Manual and observe all recommendations This guarantees safe operation and ensures malfunction free work of the machine The machine is designed to meet obligatory standards documents and legal regulations currently in force The manual describes the basic safety rules and operation of Pronar T743 trans shipment trailer If the in...

Страница 4: ...articularly important information and instructions the observance of which is essential are distinguished in the text by the sign and also preceded by the word ATTENTION Failure to observe the instructions may lead to damage to the machine as a result of improper operation adjustment or use In order to focus the user s attention on the need to perform maintenance the relevant section of the Operat...

Страница 5: ...ction of machine s forward travel Right side side to the right hand of the operator facing in the direction of machine s forward travel REQUIRED SERVICE ACTIONS Service actions described in the manual are marked Result of service adjustment actions or comments concerning the performance of actions are marked ...

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Страница 7: ...DENT TRANSPORT BY THE USER 1 11 1 6 ENVIRONMENTAL HAZARDS 1 11 1 7 WITHDRAWAL FROM USE 1 12 2 SAFETY ADVICE 2 1 2 1 BASIC SAFETY RULES 2 2 2 1 1 USE OF TRAILER 2 2 2 1 2 HITCHING AND DISCONNECTING THE TRAILER 2 3 2 1 3 HYDRAULIC AND PNEUMATIC SYSTEMS 2 4 2 1 4 TRANSPORTING THE MACHINE 2 5 2 1 5 TYRES 2 8 2 1 6 MAINTENANCE 2 9 2 1 7 LOADING AND UNLOADING 2 11 2 1 8 OPERATION OF PTO SHAFT 2 12 2 1 9...

Страница 8: ...ON 3 13 3 8 MAIN BRAKE 3 14 3 9 PNEUMATIC PARKING BRAKE 3 19 3 10 HYDRAULIC STEERING SYSTEM 3 20 3 11 HYDRAULIC SYSTEM SLIDE BOLT AND CONVEYOR 3 22 3 12 HYDRAULIC CLUTCH SYSTEM 3 24 3 13 ELECTRIC LIGHTING SYSTEM 3 26 3 14 ELECTRIC WEIGHING SYSTEM INSTALLATION 3 29 4 CORRECT USE 4 1 4 1 PREPARING FOR WORK BEFORE FIRST USE 4 2 4 2 HITCHING TO TRACTOR 4 5 4 3 TRAILER PARKING STAND OPERATION 4 7 4 4 H...

Страница 9: ...TION NO 5 CHECKING CONNECTIONS 5 10 5 2 6 OPERATION NO 6 CHECKING BRAKING SYSTEM ACTION 5 11 5 2 7 OPERATION NO 7 CHECKING BRAKING SYSTEM TIGHTNESS 5 11 5 2 8 OPERATION NO 8 CLEANING THE AIR FILTERS 5 12 5 2 9 OPERATION NO 9 CHECKING HYDRAULIC SYSTEM TIGHTNESS 5 13 5 2 10 OPERATION NO 10 CHECKING LIGHTING AND SIGNALLING SYSTEM 5 14 5 2 11 OPERATION 11 CHECKING NUT AND BOLT TIGHTNESS ON WHEELS AND ...

Страница 10: ...JUSTMENT OF CHANNEL SLIDES IN GRAIN TANK 5 34 5 4 CONSUMABLES 5 36 5 4 1 HYDRAULIC OIL 5 36 5 4 2 GREASES 5 37 5 5 HYDRAULIC CLUTCH OPERATION 5 37 5 5 1 SAFETY ADVICE FOR HYDRAULIC CLUTCH CLEANING AND MAINTENANCE 5 37 5 5 2 MOUNTING MAINTENANCE AND CARE ADVICE 5 37 5 5 3 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5 38 5 5 4 SERVICE INSPECTION PERIODS 5 38 5 6 THOROUGH LOAD TANK CLEANING 5 38 5...

Страница 11: ......

Страница 12: ...SECTION 1 BASIC INFORMATION ...

Страница 13: ...th the data plate 1 located on the right frame brace and the factory number 2 located on a gold painted rectangle When buying the trailer check that the serial numbers on the machine agree with the number written in the WARRANTY BOOK in the sales documents and in the OPERATOR S MANUAL The meanings of the individual fields found on the data plate figure 1 1 are presented in table 1 2 ...

Страница 14: ...pe C Year of manufacture D Seventeen digit serial number VIN E Official certificate number F Tare weight G Maximum gross weight H Carrying capacity I Permissible hitching system loading J Permissible axle 1 load K Permissible axle 2 load 1 1 2 AXLE IDENTIFICATION FIGURE 1 2 Axle identification 1 axle 2 axle data plate ...

Страница 15: ...G AXLE SERIAL NUMBER MIDDLE FIXED AXLE SERIAL NUMBER REAR STEERING AXLE SERIAL NUMBER 1 2 PROPER USE The trailer Pronar T743 is constructed according to current safety requirements and engineering standards The brake system and the light and indicator system meet the requirements of road traffic regulations The machine is designed for the transport and trans shipment of cereals and maize seed grai...

Страница 16: ... have uneven load distribution and or overload axles and suspension elements Using it as intended involves all actions connected with the safe and proper operation and maintenance of the machine In connection with this the user is obliged to carefully read the OPERATOR S MANUAL of Pronar T743 trailer and the WARRANTY BOOK and conform with the recommendations contained in these documents understand...

Страница 17: ... the system Oil demand MPa l HL 32 16 15 Electrical system Electrical system voltage Attachment socket V 12 7 polar compliant with ISO 1724 Tractor hitches Maximum vertical drawbar load kg 3 000 Other requirements Minimum tractor power demand Cigarette lighter socket 1 kW Horsepower V 161 7 220 12 1 Weigher power supply optional equipment IMPORTANT The trailer must not be used for purposes other t...

Страница 18: ...ar with the road traffic regulations and transport regulations 1 3 OPTIONAL EQUIPMENT TABLE 1 3 Trailer optional equipment EQUIPMENT STANDARD ADDITIONAL OPTIONS Operator s Manual Warranty Book Pneumatic system 2 conduit Pneumatic double line breaking system with ALB Combined hydraulic pneumatic breaking system Hydraulic breaking system Mudguards set Wheel chocks Ball drawbar Slow moving vehicle wa...

Страница 19: ...eplacing standard equipment Information concerning tyres is provided at the end of this publication in ANNEX 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 period is specified in the WARRANTY BOOK The guarantee does not apply to those parts and sub assembl...

Страница 20: ...r will lose the right to warranty service TIP Demand that the seller carefully and precisely fills out the Warranty Book and guarantee repair coupons A missing date of purchase or sale point stamp may make the user ineligible for any warranty repair or refund The user is obliged to report immediately on noticing any wear in the paint coating or traces of corrosion and to have the faults rectified ...

Страница 21: ...itudinal members crossbars etc Use certified and technically reliable securing measures Worn straps cracked securing catches bent or corroded as well as other damage may disqualify use of the given element from use Carefully read the information contained in the Operator s Manual for the given securing measure Chocks wooden blocks or other objects without sharp edges should be placed under the whe...

Страница 22: ...dy for travel is given in table 3 1 DANGER Incorrect application of securing measures may cause an accident 1 5 2 INDEPENDENT TRANSPORT BY THE USER In the event of independent transport by the user after purchase of the trailer the user must read the trailer Operator s Manual and adhere to the recommendations contained therein Independent transport involves towing the trailer with own agricultural...

Страница 23: ... The oil pollution once gathered up should be kept in a sealed marked hydrocarbon resistant container The container should be kept away from heat sources flammable materials and food DANGER Used hydraulic oil or gathered remains mixed with absorbent material should be stored in a precisely marked container Do not use food packaging for this purpose Oil which has been used up or is unsuitable for f...

Страница 24: ...tely in the pneumatic brake system e g using air tank drain valve DANGER During dismantling use the appropriate tools equipment overhead travelling crane crane or hoist etc using personal protection equipment i e protective clothing footwear gloves and eye protection etc Avoid contact of skin with oil Do not allow used hydraulic oil to spill Worn out or damaged parts that cannot be reclaimed shoul...

Страница 25: ...Pronar T743 SECTION 1 1 14 ...

Страница 26: ...SECTION 2 SAFETY ADVICE ...

Страница 27: ... is dangerous to your health Be aware of the existence of a minimal risk and for this reason the fundamental basis for using this trailer should be the application of safety rules and sensible behaviour 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 Non compliance with the s...

Страница 28: ... procedure should be performed by at least two persons In the final phase of folding the tarpaulin cover at all times hold with one hand the railing of the fenced platform or top of the front frame Non compliance with this rule can put the user at risk of falling While walking or standing on trailer or in the container do NOT use mudguards and wheels etc for this purpose Steps and platforms are de...

Страница 29: ...ine is immobilised by use of the parking brake After completing trailer hitching the support leg must be maximally raised and mechanical raising lowering crank placed in neutral position While lowering the support take particular care with regard to the danger of being crushed While placing the support in transport position or rest position do not place hand between moving elements of the support ...

Страница 30: ...g the hydraulic oil the used oil should be properly disposed of Used oil or oil which has lost its properties should be stored in original containers or replacement containers resistant to action of hydrocarbons Replacement containers must be clearly marked and appropriately stored Do not store hydraulic oil in packaging designed for storing food or foodstuffs Rubber hydraulic conduits must be rep...

Страница 31: ...e wheel figure 2 1 Chocks should not be placed under wheels on turning axles Exceeding the maximum load capacity of the trailer may damage it and also threaten the safety of traffic and reduces the effectiveness of braking action Before using the trailer always check its technical condition especially in terms of safety In particular check the technical condition of the hitch system the axle syste...

Страница 32: ...eople or animals must not be carried on the trailer Do NOT exceed the trailer s maximum carrying capacity Exceeding the carrying capacity may lead to damage to the machine loss of stability while driving scattering of the load and danger while driving The brake system is adjusted to the gross weight of the trailer exceeding the weight limit causes drastic reduction of basic braking effectiveness W...

Страница 33: ... travel with load and then every 6 months of use or every 25 000 km In the event of intensive work checking the nut tightening should be done at least every 100 km The inspection should be repeated individually if a wheel has been removed from the wheel axle When working with tyres the trailer should be immobilised with parking brake and secured against rolling by placing chocks under wheel Wheels...

Страница 34: ...ty Service authorised by the manufacturer It is recommended that necessary repairs to trailer should be undertaken by specialised workshops In the event of any fault or damage whatsoever do not use the machine until the fault has been corrected During work use the proper close fitting protective clothing gloves and appropriate tools When working on hydraulic systems it is recommended to use oil re...

Страница 35: ...invalidate the guarantee Regularly check technical condition and mounting of all guards and protective elements 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 Load cell shall be dismantled in the event of electric welding if not it may be damaged Welding work sho...

Страница 36: ...se Before entering load box prevent trailer moving with parking brake and chocks Do not make independent repairs of control valve brake cylinders and braking force regulator In the event of damage to these elements repair should be entrusted to authorised service point or replace elements with new parts Do NOT make repairs to drawbar eye straightening repairing or welding Damaged drawbar eye shoul...

Страница 37: ...on the casing indicating which end of the shaft shall be connected to the tractor Never use a damaged PTO shaft it may cause an accident A damaged shaft must be repaired or replaced Disconnect the drive shaft each time when it is not necessary to drive the machine or when the tractor and trailer are at an unsuitable angle to each other The chains preventing the shaft cover from turning while the s...

Страница 38: ...or whatever that may become wrapped round the rotating drive shaft Contact with rotating PTO shaft may cause severe injuries Do NOT go over and under the shaft or stand on it equally during work as also when the machine is parked 2 1 9 SAFETY TIPS FOR HYDRAULIC CLUTCH OPERATION The user should ensure that for operation maintenance and repairs only authorised persons are employed who are familiar w...

Страница 39: ...tances may not come into contact with the clutch The clutch may not be cleaned under running water e g hose or nozzle jet with hot steam stream Note During maintenance and repair work there is a danger of burning by clutch which has heated up during work Attention should be given to the tightness of oil conduits and connections in steering parts 2 2 DESCRIPTION OF MINIMAL RISK Pronar Sp z o o in N...

Страница 40: ...y children maintaining safe distance from forbidden or dangerous places a ban on being on the machine when it is operating maintaining the machine in due technical condition 2 3 INFORMATION AND WARNING DECALS The trailer is labelled with the information and warning decals mentioned in table 2 1 The symbols are positioned as presented in figure 2 3 Throughout the time it is in use the user of the m...

Страница 41: ... 1 Note Before starting work carefully read the OPERATOR S MANUA 2 Before beginning servicing or repairs consult Operator s Manual switch off engine and remove key from ignition 3 Danger of being pulled in by rotating auger conveyors Do not approach and do not place hands near rotating mechanisms ...

Страница 42: ...nger of crushing Do not place limbs in crushing danger zone 5 Caution Do not stand on auger conveyors 6 Danger of being pulled in by rotating auger conveyors of the trailer 7 Danger of crushing to limbs Take care when in the vicinity of rotating machine elements ...

Страница 43: ...sconnect tractor engine and remove key from ignition 9 Maximum rotation speed of Power Takeoff Shaft 10 Check correct tightness of nut and bolt connections on axles 11 Grease according to the recommendations in the Operator s Manual 12 Clearance warning decal 13 Clearance warning decal 14 Machine type ...

Страница 44: ...SECTION 2 Pronar T743 2 19 ITEM DECAL MEANING OF SYMBOL 15 Hydraulic clutch operation information decal ...

Страница 45: ...ON 2 2 20 ITEM DECAL MEANING OF SYMBOL 16 Hydraulic connection function and hydraulic valves designation information decal 17 Hydraulic valve lever position 18 Maximum vertical drawbar load 19 Air pressure in the tyres ...

Страница 46: ...SECTION 2 Pronar T743 2 21 FIGURE 2 3 Locations of information and warning decals ...

Страница 47: ...Pronar T743 SECTION 2 2 22 ...

Страница 48: ...SECTION 3 DESIGN AND OPERATION ...

Страница 49: ...capacity Maximum design carrying capacity Maximum gross weight Tare weight Maximum design speed Axle base m3 kg kg kg km h mm 34 22 700 33 000 10 300 40 1 810 Other information Electrical system voltage Axle track Permissible hitching system loading Drawbar attachment point lift Minimum clearance Hydraulic oil demand Minimum tractor power demand Maximum PTO speed Minimal clutch working pressure Ma...

Страница 50: ...ler chassis 1 lower frame 2 suspension 3 front steering axle 4 middle fixed axle 5 rear turning axle 6 drawbar hitching eye 7 PTO connection 8 wheel 9 mudguard 10 rear lighting beam 11 weight simulator loading link cell 12 parking stand At the rear part of the frame the tridem type suspension 2 with parabola leaf springs is secured Front axle and rear axle 3 and 5 are steering axles with trailer h...

Страница 51: ...r 80 mm 2 drawbar head plate 3 securing screws 3 2 2 TRAILER PARKING STAND Trailer parking stand 1 is mounted on the left side of the chassis on drawbar longitudinal rail It is designed to support an unhitched machine and set height of the drawbar during hitching to agricultural tractor When travelling the parking stand must be set in the transport position maximally raised and secured using pin 5...

Страница 52: ...securing pin A neutral position B gear position I C gear position II TIP Permissible vertical loading of support KRA 750 is 7 500 kg IMPORTANT Before moving off check that the support is maximally raised and the crank is set in neutral position A The support foot must be additionally secured using a securing pin ...

Страница 53: ...per part of the load box is installed a wall extension set 2 with canvas cover 3 On the rear wall of the load box is placed the platform 4 and folding ladder 5 In the lower part of the rear wall is the chain gearing 6 In the container channel placed in the bottom of the load box are openings which are closed with inspection covers 8 figure 3 4 in the front part is installed the chute slide 7 contr...

Страница 54: ...s bolted to brace 5 figure 3 5 By changing the height of the roof one regulates the speed of grain flow to the collecting auger conveyor 4 placed in the lowest part of the container beneath roof Remaining 4 auger conveyors are placed in two parallel channels of load box Rear auger conveyors 1 bearings are in rear chain gearing and bearing connectors 7 in central part of load box Auger conveyor 3 r...

Страница 55: ...ollecting auger conveyor which transfers load from load box to front conveyor Grain is then transported by conveyors 1 and 2 the regulated discharge chute 4 Power transmission of auger conveyors is transmitted through front chain gearing and then through intersecting axis gear placed in the lower part of the vertical conveyor pipe After connecting PTO drive in tractor both auger conveyors begin to...

Страница 56: ...SECTION 3 Pronar T743 3 9 FIGURE 3 6 Front conveyor 1 vertical conveyor 2 folding conveyor 3 conveyor hinge 4 chute 5 folding ram unfolding conveyor 6 ram bolting folded conveyors 7 collection pipe ...

Страница 57: ... folded conveyor 2 ram folding unfolding conveyor 3 spring 4 striker 5 spring 6 locking bolt 3 5 FRONT CHAIN TRANSMISSION Front chain transmission transmits torque to the two auger conveyors placed in container and front auger conveyor Gear design is shown on figure 3 8 ...

Страница 58: ...t chain transmission 1 hydraulic clutch 2 drive shaft 3 collecting auger conveyer shaft 4 intersecting axis gearing 5 toothed cog securing pin 6 abrasive friction clutch 7 exit shaft housing 8 gear wheel transmission two gears 9 pressure gauge ...

Страница 59: ...cating actual pressure of hydraulic oil conducted to hydraulic clutch IMPORTANT Oil pressure in hydraulic clutch may not be greater than 95 bar or less than 90 bar Too low power pressure causes slipping clutch and therefore more rapid wear of abrasive surface too high pressure may damage clutch body 3 6 GEAR WHEEL TRANSMISSION Front gear wheel transmission 1 is placed on the front wall of load box...

Страница 60: ... neutral position B RAPID RPM position C SLOW RPM position 3 7 REAR CHAIN TRANSMISSION Rear chain transmission is mounted on container wall It transmits torque from auger conveyors located in channel on the right side of the container to 2 conveyors located on the left side of the container Gear design is shown on figure 3 10 ...

Страница 61: ...haft 3 tightening cog 3 8 MAIN BRAKE The trailer is equipped with one of two types of working brake systems pneumatic brakes two conduit pneumatic system with three step braking force regulator figure 3 11 standard equipment two conduit pneumatic system with automatic braking force regulator ALB figure 3 13 optional equipment ...

Страница 62: ... system 1 supply conduit connection with a filter red 2 control conduit connection with a filter yellow 3 loosening parking valve 4 brake valve 5 manual braking force regulator 6 air tank 7 diaphragm actuator 8 diaphragm spring actuator 9 relay valve 10 two way valve 11 drain valve ...

Страница 63: ...e brake pedal in the tractor The function of the control valve 2 applied in pneumatic systems is the operation of the trailer brakes simultaneously when tractor s brakes are applied Furthermore in case of an inadvertent disconnection of the conduit between the trailer and the tractor the control valve will automatically activate trailer s brakes Valve used in the system is equipped with a circuit ...

Страница 64: ...rake system with ALB 1 supply conduit connection with a filter red 2 control conduit connection with a filter yellow 3 loosening parking valve 4 brake valve 5 regulator ALB 6 air tank 7 diaphragm actuator 8 diaphragm spring actuator 9 relay valve 10 two way valve 11 drain valve ...

Страница 65: ...pecially prepared brackets welded to the axle These are diaphragm actuators and diaphragm spring actuators Air supplied to cylinder exerts pressure on membrane which in turn moves cylinder piston and rotates to axle expander lever Return of cylinder to neutral position is assisted by draw back springs Three step brake force regulator figure 3 15 applied in pneumatic systems adjusts braking force d...

Страница 66: ...dditionally each pneumatic connection is equipped with a cut off valve which automatically cuts off outflow of pneumatic conduit in the event of disconnection from agricultural tractor socket 3 9 PNEUMATIC PARKING BRAKE The parking brake is for immobilising trailer while standing motionless The parking brake is activated by loosening parking valve 1 figure 3 16 Two push buttons located in this val...

Страница 67: ...loosening valve should be pulled out Braking of the trailer wheels is carried out by pulling out the red push button 3 Location of individual push buttons is shown on the plate 4 3 10 HYDRAULIC STEERING SYSTEM Hydraulic steering system is designed for controlling the wheels of the trailer front and rear axles The solution applied has a beneficial effect on improvement of machine steering character...

Страница 68: ...pump 4 steering axle 5 fixed axle 6 hydraulic accumulator 7 hydraulic cylinder System design is shown on figure 3 17 Axles 4 and 5 are equipped with steering cylinders 7 which control position of wheels Control is accomplished thanks to connection of directional cylinders 1 and double acting cylinders 2 with agricultural tractor via ball hitch figure 4 2 ...

Страница 69: ...cylinders 1 and 2 to turning cylinders located on axles 3 11 HYDRAULIC SYSTEM SLIDE BOLT AND CONVEYOR System design and concept diagram are presented on figures 3 18 and 3 19 FIGURE 3 18 Slide bolt and conveyor hydraulic system concept diagram 1 quick couplers 2 hydraulic valve 3 slide bolt cylinder 4 folded conveyor raising cylinder 5 folded conveyor bolting cylinder ...

Страница 70: ... Slide bolt and conveyor hydraulic system concept diagram 1 folded conveyor raising cylinder 2 folded conveyor bolting cylinder 3 locking bolt cylinder 4 hydraulic valve 5 quick couplers 6 slide bolt 7 cylinder bracket 8 9 information decal ...

Страница 71: ... circuit controlling slide cylinder In central position the supply of hydraulic oil to system is cut off Hydraulic system quick couplers are marked with the aid of red stoppers as stated on information decal 8 Working positions of valves are marked on information decal 9 3 12 HYDRAULIC CLUTCH SYSTEM Hydraulic clutch system is designed for remote starting of trailer container auger conveyor drive P...

Страница 72: ...pressure range for starting clutch is 90 95 bar FIGURE 3 20 Position of hydraulic clutch system elements 1 reduction valve connection plate 2 hydraulic valve 3 pressure gauge 4 quick couplers 5 return valve 6 rotary connection 7 information decal ...

Страница 73: ...ut off valve position 2 is marked with the aid of decal O Z O Open Z Closed FIGURE 3 21 Hydraulic clutch system concept diagram 1 reduction valve connection plate panel 2 pressure gauge 3 hydraulic clutch 4 return valve 5 quick couplers 6 hydraulic valve 3 13 ELECTRIC LIGHTING SYSTEM TABLE 3 2 LIST OF MARKINGS APPLIED ON FIGURE 3 22 SYMBOL FUNCTION ZP Rear right lamp assembly ZL Rear left lamp ass...

Страница 74: ...th the tractor should be made through an appropriate connection lead that is a part of the trailer s standard equipment TABLE 3 3 MARKING OF CONNECTIONS MARKING SYMBOL 31 Weight Power supply 12V not used L Left indicator 54 STOP light 58L Rear left parking light 58R Rear right parking light R Right indicator TABLE 3 4 CONDUIT COLOUR MARKING MARKING CONDUIT COLOUR MARKING CONDUIT COLOUR B White O B...

Страница 75: ...ronar T743 SECTION 3 3 28 FIGURE 3 22 Electric lighting system diagram Marking description in table 3 2 Working lamp placed on vertical conveyor is supplied from 12V DC socket mounted on rear of tractor ...

Страница 76: ...SECTION 3 Pronar T743 3 29 3 14 ELECTRIC WEIGHING SYSTEM INSTALLATION FIGURE 3 23 Weighing system diagram Marking description on table 3 5 ...

Страница 77: ...ced with weight simulators Load cells are connected through connection box with electronic display which analyses electric signals originating from weighing points and calculating load weight FIGURE 3 24 Lighting panel 1 counter 2 rubber vacuum cup 3 load cell connection socket 4 power supply socket Counter 1 is mounted in tractor operator cab on bracket with rubber suction pad Power supply to cou...

Страница 78: ...ON WZ Cigarette lighter supply plug WEZ Electronic display EZ 400 SP Connection box OO 1 OO 6 Load cells 3 15 HYDRAULIC AXLE BLOCKING SYSTEM FIGURE 3 25 Construction of a hydraulic steering blocking system 1 blocking system hydraulic cylinder 2 steering axle 3 hydraulic quick coupler ...

Страница 79: ...n miry terrain which reduces machine tire wear When reversing the axle hubs must be locked otherwise the trailer will tend to turn uncontrollably to the left or right The axle system can be blocked by the hydraulic system shown in the picture 3 25 Before driving backwards extend the blocking steering system hydraulic cylinders 1 using the tractor distributor lever ...

Страница 80: ...SECTION 4 CORRECT USE ...

Страница 81: ...he principle of machine operation IMPORTANT Before proceeding to hitching to tractor the user must carefully read this Operator s Manual and additional publications attached to machine and observe all recommendations External inspection Check completeness of machine standard and optional equipment Check condition of protective paint coat Check technical condition and set of safety guards Inspect t...

Страница 82: ...thout load in load box It is recommended that the inspection is conducted by two people one of which should always remain in the tractor cab Test start should be conducted according to the sequence shown below Connect trailer to appropriate hitch on agricultural tractor Connect ball hitch Raise and secure support foot Connect brake electrical and hydraulic system conduits Place electronic counter ...

Страница 83: ...oving elements of the trailer design hydraulic oil leak pressure drop in brake system incorrect hydraulic system operation blocking of pneumatic pistons other suspected faults immediately disconnect oil supply to hydraulic clutch and disconnect tractor PTO drive If a fault cannot be rectified or the repair could void the guarantee please contact retailer for additional clarifications or to perform...

Страница 84: ...heck hitch lock protecting machine against accidental unhitching Turn off tractor ignition Raise support foot upwards secure it with pin move crank to central position neutral position Connect pneumatic system conduits applies to single conduit systems Connect pneumatic conduit marked yellow with yellow socket in tractor Connect pneumatic conduit marked red with red socket in tractor Connect main ...

Страница 85: ...eted secure the electrical leads and hydraulic and braking system conduits in such a way that they do not become entangled in tractor s moving parts and are not at the risk of breaking or severed when making turns During connection of braking system conduits the correct sequence of conduit connection is very important First in sequence connect yellow coloured plug to yellow socket in tractor and t...

Страница 86: ...ler drawbar place support crank 3 in position B In this position there is greater mechanical gearing leverage support foot 2 moves slowly but little force is necessary to raise the front of the machine FIGURE 4 1 Fold support leg 1 parking stand 2 parking stand foot 3 crank 4 gear 5 securing pin Raising support Remove safety pin 5 Move support crank from neutral position A to position B Turn the c...

Страница 87: ... C Turn crank clockwise to lower support to the ground adjust drawbar height in relation to hitch if trailer shall be hitched to tractor Place safety pin in position and set crank in neutral position A 4 4 HYDRAULIC STEERING SYSTEM OPERATION FIGURE 4 2 Connecting the steering system with the tractor hitch 1 drawbar eye 2 ball control hitch 3 cylinder ...

Страница 88: ...es 3 located near the hand pump figure 4 3 drive the tractor with the trailer attached at such a distance as to position the trailer wheels for forward driving IMPORTANT Do not drive if the steering system is incorrectly adjusted FIGURE 4 3 Hydraulic hand pump 1 oil tank 2 hand pump lever 3 hydraulic valve 4 pressure gauge A closed position B open position fill the system by means of the pump usin...

Страница 89: ...e platform placed on the rear side wall Rolled tarpaulin cover should be supported by bracket bolted to load box side extension Trailer may be loaded travelling in parallel to the combine harvester Operators of both machines must synchronise travel speed and maintain particular care during the operation During such time trailer conveyor must be folded Load should be distributed evenly in load box ...

Страница 90: ...s obliged to secure it in such a manner that the load is unable to spread and cause contamination of the road Before beginning loading make certain that the inspection slides and chute slide are properly closed and load cannot spill out To secure load use tarpaulin cover with which it should be covered whenever trailer moves on public roads FIGURE 4 4 Tarpaulin cover 1 crank strip 2 tarpaulin cove...

Страница 91: ...no bystanders especially children near the trailer or the tractor Take care that the driver has sufficient visibility Set braking force regulator according to the degree of loading of the load box Raise trailer parking stand and secure it in transport position Make sure that the trailer is correctly attached to the tractor and tractor s hitch is properly secured The trailer must not be overloaded ...

Страница 92: ... importance because loaded trailer s centre of gravity is higher which reduces safety Driving near ditches or canals is dangerous as there is a risk of the wheels sliding down the slope or the slope collapsing When driving avoid sharp turns especially on slopes Please note that the braking distance of tractor and trailer combination is substantially increased at higher speeds and loads carried in ...

Страница 93: ...e PTO revs until a speed of 1 000 revs 1 is reached During unloading monitor working pressure of hydraulic clutch FIGURE 4 5 Front gear wheel transmission 1 changes of lever position A neutral position B RAPID RPM position C SLOW RPM position During unloading monitor the operation of vertical conveyor and drive assembly In the event of overload sudden increase in pressure at clutch or drive fault ...

Страница 94: ...chute slide using tractor manifold lever Start tractor PTO with the lowest rotation speed possible auger conveyor begins to rotate Wait until grain ceases to fall out of chute Using tractor manifold lever start hydraulic clutch for a few seconds drive to container auger is started Disconnect clutch Operation of auger conveyors in container must be short enough so that grain from the collecting sha...

Страница 95: ...w seconds because longer work of container conveyors causes grain to reach vertical conveyor 4 9 DISCONNECTING FROM TRACTOR Disconnecting the trailer Stop tractor immobilise trailer with parking brake and if needed place chocks under wheels Remove safety pin from support release support Disconnect from the tractor all electrical system leads as well as hydraulic and braking system conduits Disconn...

Страница 96: ...yres according to Operator s Manual especially if trailer is not used for a longer period Pressure and tyres should be also checked after the whole day of intensive work Please note that higher temperatures could raise tyre pressure by as much as 1 bar At high temperatures and pressure reduce load or speed Do not release air from warm tyres to adjust the pressure or the tyres will be underinflated...

Страница 97: ...ELL socket second terminal of conduit is permanently connected to terminal connection box TABLE 4 2 SUPPLY WIRING STRAND MARKING ITEM COLOUR PROPER USE 1 RED Power supply 12V DC 2 BLACK Weight 3 ORANGE Not used 4 BLUE Not used TABLE 4 3 SIGNAL WIRING STRAND MARKING ITEM COLOUR PROPER USE 1 WHITE Signal 2 GREEN Signal 3 RED Induction 4 BLACK Induction TIP Power supply and signal lead plugs are so d...

Страница 98: ...isplayed Weigher is in GROSS mode if flashing arrow points to GROSS text notice on right side of display window NET mode indicates change after performance of operation TARE vehicle weight TARE is temporarily a zero point The weigher is in NET mode if the flashing arrow indicates NET text notice on right side of display window Switching between NET and GROSS modes GROSS NET button is an alternativ...

Страница 99: ...Pronar T743 SECTION 4 4 20 ...

Страница 100: ...SECTION 5 MAINTENANCE ...

Страница 101: ...rocedures and extents of functions are described in this section which the user may perform with his own resources In the event of unauthorised repairs changes to factory settings and other actions which are not regarded as possible for the trailer operator to perform the user shall invalidate the guarantee 5 2 TRAILER INSPECTIONS TABLE 5 1 MAINTENANCE SERVICE PROCEDURES SCHEDULE FREQUENCY OPERATI...

Страница 102: ...cking technical condition of wheels 14 Adjustment of working pressure of clutch See 5 2 14 15 Checking chain tightness of front chain transmission I stage See 5 2 15 16 Checking chain tightness of front chain transmission II stage See 5 2 16 17 Checking chain tightness of rear chain transmission See 5 2 17 18 Change oil in gear wheel transmission After the first 50 hours of work and then every 500...

Страница 103: ...l use of trailer once only inspection does not apply to draining water from air tank D Daily General check of technical condition of individual trailer sub assemblies E 3 months Perform inspection after 3 months of normal use of trailer repeat inspection every 3 months of use F 6 months Perform inspection after 6 months of normal use of trailer repeat inspection every 6 months of use G 12 months P...

Страница 104: ...ts without sharp edges under trailer wheels and raise wheels in succession using the appropriate lifting jack The lifting jack should be placed under the axle between U bolts fixing shock absorber leaf springs to the axle Make certain that the trailer will not move during inspection of the bearing Turning the wheel slowly in both directions check that movement is smooth and that the wheel rotates ...

Страница 105: ...unscrew nut not less than1 3 rotation to cover the nearest thread groove with alignment to opening in wheel stub axle secure castellated nut with cotter pin and mount hub cap The wheel should turn smoothly without stiffness or detectable resistance not originating from abrasion of brake shoes in brake drum Inspection and adjustment of bearings may only be conducted when the trailer is hitched to a...

Страница 106: ...s takes place simultaneously Brakes adjustment involves changing setting of axle shaft expander arm 2 in relation to expander shaft 1 To do this regulate the shaft position 2 with the aid of retaining bolt 3 in appropriate direction in direction A if braking is too early in direction B if breaking is too late FIGURE 5 2 Adjustment of main brakes 1 expander shaft 2 expander arm 3 adjustment bolt Ad...

Страница 107: ... etc may be only undertaken in authorised service points Making unauthorised repairs and modifications by the user voids the guarantee Among the service operations which may be performed by the trailer user there is only brake adjustment by changing the setting of expander arms 5 2 3 OPERATION NO 3 DRAINING WATER FROM THE AIR TANK Required service actions Open out drain valve 2 placed in lower par...

Страница 108: ...rom air tank 1 air tank 2 drain valve 5 2 4 OPERATION NO 4 CLEANING DRAIN VALVE Required service actions Release air from the tank Unscrew valve Clean valve purge with compressed air Change copper seal Screw in valve fill air tank and check tank tightness ...

Страница 109: ...ng of body burnt or broken electrical contacts damage thread classifies contact for replacement In the event of damage to or seal of pneumatic connector these elements must be replaced with new reliable elements Contact of pneumatic connector seals with oils grease petrol etc may cause damage and accelerate ageing process If the trailer is unhitched from the tractor connections should be protected...

Страница 110: ...ys jerking of trailer too low air pressure sudden pressure drop or other symptoms appearing during braking may be the cause of brake shoe lining wear damage connectors or conduits unreliability of control valve or other serious system faults In such instances immediately stop and check condition of connectors and check tightness of system If fault cannot be detected and repair is impossible withou...

Страница 111: ...greases petrol etc may cause damage and accelerate ageing process Bent conduits permanently deformed cut or worn should be replaced 5 2 8 OPERATION NO 8 CLEANING THE AIR FILTERS Depending on trailer working conditions but not less than once in three months take out and clean air filter inserts which are located in pneumatic system connection conduits Inserts are used many times and are not subject...

Страница 112: ...TNESS Required service actions Hitch trailer to tractor Connect all hydraulic system conduits according to service instructions Clean connectors and ram cylinders Start in turn all systems without starting PTO drive vertical conveyor lifting and interlocking system clutch system chute slide system power steering system Check tightness of hydraulic system inspect cylinders and hydraulic conduits ...

Страница 113: ...f their wear ATTENTION The trailer and tractor must not be attached if the hydraulic oil in the two machines is of different types Do not use the trailer with damaged hydraulic system Checking tightness After a week of use every 12 months of use Replace all hydraulic conduits after 4 years of trailer use 5 2 10 OPERATION NO 10 CHECKING LIGHTING AND SIGNALLING SYSTEM Required service actions Hitch ...

Страница 114: ...cking of technical condition of lighting system 5 2 11 OPERATION 11 CHECKING NUT AND BOLT TIGHTNESS ON WHEELS AND DRAWBAR Wheel nuts should be tightened using a torque of 450 Nm Inspection of nut and bolt tightness should take place each time after first use after first journey with a load and then every 6 months of trailer use In the event of intensive work checking the nut tightening should be d...

Страница 115: ... the spanner selected according to the weight of the person tightening the nut Remember that this method of tightening is not as accurate as the use of a torque spanner Bolts and nuts should be in good technical condition Corroded parts or those with damaged threads should be replaced Checking wheel axle and drawbar eye tightening each time after first use each time after first travel with load af...

Страница 116: ... B 14D 3 Turning axle connecting pins 4 A 3M 4 Turning axle stub axles 8 A 1M 5 Lever 6 A 3M 6 Expander shaft bracket sleeve 6 A 3M 7 Expander shaft sleeve in drum hub 6 A 3M 8 Support gearing 3 A 6M 9 Leaf spring shock absorbers 6 C 6M 10 Multi flanged terminal of PTO shaft 1 B 14D 11 Shaft elbows 1 6 B 14D 12 Leaf spring absorber sliding surfaces 6 A 3M 13 Striker sleeve 1 A 3M 14 Sliding bearin...

Страница 117: ...D 3M 21 Hinge pin 4 A 3M 22 Gear wheel transmission 1 E 500H 23 Shaft elbows 6 24 Drive chains 3 F 10H 25 Bearing assembly 8 A 10H 1 comply with the instructions of shafts manufacturer lubrication periods M month D day H man hour 2 the first oil change should be carried out after 50 hours work A permanent machine general purpose grease B permanent grease for heavily loaded elements with addition o...

Страница 118: ...on Before commencing lubrication of gear chains first wash them with generally available substances for this purpose After complete drying grease chains using a brush After completing lubrication do not use the trailer for at least 1 hour Parts which should be lubricated with general purpose machine oil should be wiped with a dry cleaning cloth and then a small quantity of oil should be applied to...

Страница 119: ...Pronar T743 SECTION 5 5 20 FIGURE 5 6 Trailer lubrication points chassis ...

Страница 120: ...SECTION 5 Pronar T743 5 21 FIGURE 5 7 Trailer lubrication points vertical conveyor ...

Страница 121: ...Pronar T743 SECTION 5 5 22 FIGURE 5 8 Trailer lubrication points rear chain transmission FIGURE 5 9 Trailer lubrication points gathering auger shaft and container auger shaft bearing assembly ...

Страница 122: ...EELS Tyre pressure should be checked each time after changing spare wheel and not less than every 3 months In the event of intensive use it is recommended to check air pressure more frequently During this time trailer must be unloaded Checking should be done before travelling when tyres are not heated or after an extended period of trailer parking ...

Страница 123: ...maged tyres or wheels may be the cause of a serious accident Checking tyre pressure and steel rims every 3 months of use if needed 5 2 14 OPERATION NO 14 ADJUSTMENT OF CLUTCH WORKING PRESSURE In each case after changing tractor towing the trailer or after an extended idling period of the trailer regulate the clutch working pressure Starting clutch without adjustment may cause damage to it Required...

Страница 124: ...GURE 5 11 Adjustment of working pressure of clutch 1 reduction valve 2 cut off valve 3 connection plate 4 pressure gauge 5 information decal Cut off oil flow to trailer hydraulic clutch system turn off tractor Open cut off valve 2 ...

Страница 125: ...ce actions Immobilise the trailer with parking brake Put two chocks behind the wheel to stop machine rolling Open front transmission cover Check chain looseness Press with thumb in mid length place marked with arrow chain loose play should amount to 7 15 mm If there is greater looseness then loosen counter nut 4 and nut 5 tighten chain 1 Tensioner block joined with tensioner toothed wheel 2 is mov...

Страница 126: ... 2 16 OPERATION NO 16 INSPECTION OF TIGHTNESS OF FRONT CHAIN TRANSMISSION II STAGE Required service actions Immobilise the trailer with parking brake Put two chocks behind the wheel to stop machine rolling Open front transmission cover Check chain looseness Press with thumb in mid length place marked with arrow chain loose play should amount to 7 15 mm ...

Страница 127: ...oseness loosen tensioner bolt 6 and tighten chain 1 while lifting the wheel Tensioner block joined with tensioner toothed cog 5 is moved upwards After achieving required tightness tighten tensioner bolt 6 If there is still an excessive looseness in the transmission loosen 4 nuts 4 and tighten chain 1 using adjustment bolt 3 connector housing 2 is moved upwards After achieving required tightness ti...

Страница 128: ...CHAIN TRANSMISSION FIGURE 5 14 Rear chain transmission 1 chain 2 tensioner toothed cog 3 tensioning bolt 4 counter nut 5 tightening nut Required service actions Immobilise the trailer with parking brake Put two chocks behind the wheel to stop machine rolling Open transmission cover Check chain looseness Press with thumb in mid length place marked with arrow chain loose play should amount to 7 15 m...

Страница 129: ...ication chain 5 2 18 OPERATION NO 18 CHANGE OIL IN FRONT GEAR WHEEL TRANSMISSION Required service actions Immobilise the trailer with parking brake Put two chocks behind the wheel to stop machine rolling Unscrew inlet plug 2 Unscrew drain plug 1 Drain used oil into container Draw out remaining oil Tighten drain plug Pour in new oil 3 5 litres Tighten inlet plug First oil change should be performed...

Страница 130: ...19 CHANGE OIL IN CONVEYOR INTERSECTING AXIS GEARING Required service actions Immobilise the trailer with parking brake Put two chocks behind the wheel to stop machine rolling Unscrew inlet plug 2 inlet plug is on the opposite side to the drain plug 1 Unscrew drain plug 1 Drain used oil into container Tighten drain plug ...

Страница 131: ... 500 hours of work Check gearing each month for oil leaks and mechanical damage FIGURE 5 16 Conveyor intersecting axis gearing 1 oil drain plug 2 oil filler plug 5 3 UNLOADING SPEED ADJUSTMENT The unloading time of grain with the assumption that the PTO revolution speed is constant is dependent on several factors setting of front gear wheel transmission ...

Страница 132: ...L SLIDES SETTING TYPE OF LOAD ROOF CHANNEL SLIDE Dry grain 1 75 100 75 100 Moist grain 1 25 50 25 50 All types 2 0 25 0 25 1 setting the front gear wheel transmission B RAPID RPM 2 setting the front gear wheel transmission C SLOW RPM long unloading time established 5 3 1 ROOF HEIGHT ADJUSTMENT FIGURE 5 17 Roof height adjustment 1 roof 2 bolt connection ...

Страница 133: ...DANGER Before entering grain tank switch off tractor engine disconnect PTO shaft immobilise trailer using parking brake and secure tractor against access of unauthorised persons TIP Roof position adjustment must be performed with empty grain tank 5 3 2 ADJUSTMENT OF CHANNEL SLIDES IN GRAIN TANK Required service actions Immobilise trailer with parking brake Dismantle PTO shaft connecting tractor wi...

Страница 134: ...be performed with empty grain tank FIGURE 5 18 Channel slides adjustment 1 channel slide 2 nut DANGER Before entering grain tank switch off tractor engine disconnect PTO shaft immobilise trailer using parking brake and secure tractor against access of unauthorised persons ...

Страница 135: ...sification 32 2 Kinematic viscosity at 40 C 28 8 35 2 mm2 s 3 ISO 6743 99 quality classification HL 4 DIN 51502 quality classification HL 5 Flash point 230 o C The oil applied because of its composition is not classified as a dangerous substance however long term action on the skin or eyes may cause irritation In the event of contact of oil with skin wash the place of contact with water and soap D...

Страница 136: ...ND MAINTENANCE On no account may oil or grease come in contact with abrasive surfaces if they do the clutch will not achieve the required torque Abrasive coatings may not be cleaned with solvents i e benzene acetone or kerosene If surface is contaminated with oil it must be replaced Cleaning substances may not come into contact with the clutch The clutch may not be cleaned under running water e g ...

Страница 137: ...on Check silent running of roller bearings Damaged bearings should be replaced During inspections pay particular attention to the hydraulic oil leaks In the event of defect notify service point in order to perform repair Repair of clutch during guarantee period may only be performed by service points authorised by the Manufacturer 5 6 THOROUGH LOAD TANK CLEANING Change of grain type requires thoro...

Страница 138: ...eyor cover To clean machine only use clean running water or water with a cleaning detergent additive with neutral pH Using pressure washer increases washing effectiveness but particular care must be taken during work During washing washer nozzle may not be closer than 50 cm from the surface being cleaned Water temperature shall not exceed 55 C Do not direct water stream directly at system and equi...

Страница 139: ...ed with oil or grease should be cleaned by application of benzene and then washed with clean water with added detergent After finishing washing wait until trailer is dry and then grease all inspection points according to recommendations Remove excess oil or grease with a dry cloth Observe environmental protection principles and wash trailer in a place designated for such purpose DANGER Carefully r...

Страница 140: ...nits Chains should be taken off and carefully washed if suitable for further use reinstalled and smeared generously with grease Wheel rims and tyres should be carefully washed and dried During longer storage of unused trailer it is recommended that every 2 to 3 weeks the machine may be moved a bit so that the place of contact of tyres with ground is changed The tyres will not be deformed and maint...

Страница 141: ...r work apply appropriate torque to tightening nut and bolt connections Recommended tightening torque of most frequently applied nut and bolt connections are given in table below Given values apply to non lubricated steel bolts FIGURE 5 19 Bolt with metric thread 1 resistance class d thread diameter TABLE 5 9 TIGHTENING TORQUE FOR HYDRAULIC CONDUITS HOSE SIZE DN 6 DN 8 DN 10 DN 13 DN 16 DN 20 DN 25...

Страница 142: ...nit 2 5 11 EMERGENCY RELEASE OF DIAPHRAGM ACTUATOR Pneumatic system failure causing air release from brake cylinders results in braking the trailer by means of diaphragm actuators Emergency release of these actuators involves putting a spring under tension by means of a tensioning bolt During normal operation the bolt is located in the actuator holder 5 FIGURE 5 20 Emergency release of diaphragm a...

Страница 143: ...ion mode undo nut 3 and take tensioning bolt 2 out of the actuator After completion of the activities place the bolt together with other elements in the actuator holder 5 Secure the opening in the actuator body with a plastic nut DANGER Exercise caution while working During putting the actuator spring under tension the trailer is not immobilised with parking brake That is why chocks must be placed...

Страница 144: ...ir or replace Leaking system conduits or connections Check system for tightness Damaged pneumatic system connection conduits Replace Leaking connections Tighten replace washers or seal set replace conduits Damaged control valve or brake force regulator Check valve repair or replace Problem with moving off Incorrectly adjusted steering system Adjust position of wheels on turning axles Excessive sla...

Страница 145: ...ascertain that hydraulic conduits are tight not fractured and properly tightened If necessary replace or tighten Jerking uneven trailer braking Damaged or unconnected brake system supply conduit Check conduit check connection socket Repair change or connect conduit Worn out abrasive ring Install a new abrasive ring Grease on abrasive surface Grease contaminated surface of steel or cast iron may be...

Страница 146: ... cylinder is too great Ensure proper cylinder air venting Cone shield does not reduce speed because is resting on pressure spring Install a new pressure spring Incorrect operation of a hydraulic steering system Insufficient working pressure Check pressure on pressure gauges and set at required value ...

Страница 147: ...Pronar T743 SECTION 5 5 48 ...

Страница 148: ...NOTES ...

Страница 149: ... ...

Страница 150: ...ANNEX A Tyre dimensions TRAILER VERSION FRONT MIDDLE REAR AXLE T743 700 50 26 5 16PR 1 1 wheel disc 24 x 26 5 ET 50 ...

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