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PRONAR T644/1, Manual

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PRONAR T644/1 Manual Download Page 45

 

3.17 

regulator,  (4),  (7)  jib  rotation  circuit  flow  regulator,  (5)  grapple  rotation  circuit  flow  regulator, 

(6) jib folding circuit flow regulator, (8) jib lowering circuit flow regulator,  

Hydraulic oil flow rate and, in turn, the speed of acting of individual cylinders, depends on the 

settings of flow regulators installed in individual control circuits.  

 

FIGURE 3.14A 

Flow regulator 

(1) regulation dial, (2) regulator scale 

Turning the regulator dial (1) clockwise (-), hydraulic oil flow rate is reduced, while turning the 

regulator dial anticlockwise (+), causes the hydraulic oil flow rate to increase. 

 

ATTENTION! 

 

Breaking of flow regulator dial seals (4), (7) – figure (3.13A) and changing the settings is 
not allowed and could void the guarantee. 

 

Summary of Contents for T644/1

Page 1: ...LOG TRAILER WITH GRAPPLE LOADER T644 1 MACHINE IDENTIFICATION SYMBOL TYPE T644 1 SERIAL NUMBER S Z B 6 4 4 1 X X X ...

Page 2: ...passed on to users with the aid of the information insert attached to these operating instructions annexes The operating instructions are an integral part of the machine s documentation Before using the tractor the user must familiarise himself with the content of these instructions and observe all recommendations This guarantees safe operation and ensures malfunction free work of the machine The ...

Page 3: ...alth or life Particularly important information and instructions the observance of which is essential are distinguished in the text by the sign and also preceded either word ATTENTION Failure to observe the instructions may lead to damage to the machine as a result of improper operation regulation or use In order to focus the user s attention on the need to perform technical maintenance the releva...

Page 4: ......

Page 5: ...RMATION AND WARNING STICKERS 2 9 3 CONSTRUCTION AND PRINCIPLE OF OPERATION 3 1 3 1 TECHNICAL SPECIFICATION 3 2 3 2 LOAD BOX 3 3 3 3 LOADER 3 4 3 4 AXLE SYSTEM 3 6 3 5 ELECTRICAL SYSTEM WARNING SIGNS AND INDICATORS 3 7 3 6 WORKING BRAKE 3 8 3 7 CENTRAL HYDRAULIC SYSTEM 3 12 3 8 FRAME EXTENSION HYDRAULIC SYSTEM 3 18 3 9 POWER STEERING HYDRAULIC SYSTEM 3 19 4 CORRECT USE 4 1 4 1 PREPARING FOR WORK BE...

Page 6: ...HEEL AXLE BEARINGS 5 2 5 2 REGULATION OF MAIN BRAKES 5 4 5 3 REGULATION OF ROCKER ARM BEARING 5 6 5 4 PNEUMATIC SYSTEM OPERATION 5 8 5 5 HYDRAULIC SYSTEM OPERATION 5 12 5 6 STORAGE 5 14 5 7 LUBRICATION 5 15 5 8 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5 19 5 9 FAULTS AND MEANS OF REMEDYING THEM 5 20 5 10 LIST OF BULBS 5 22 ...

Page 7: ...1 1 SECTION 1 BASIC INFORMATION IDENTIFICATION INTENDED USE FITTINGS WARRANTY CONDITIONS TRANSPORT ENVIRONMENTAL HAZARDS WITHDRAWAL FROM USE ...

Page 8: ...number 2 located on a rectangular silver painted area 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 OPERATING INSTRUCTIONS The meaning of the individual fields found on the data plate are presented in the table below A symbol of the machine T644 1 B trailer s date of manufacture C seventeen ...

Page 9: ...thinning clearing or other types of logging onto the loading area of the trailer delineated with stakes By carrying is meant transporting wood loaded onto the trailer to the place where it is unloaded The trailer may be towed on public roads provided the detailed requirements of a given country s legislation are fulfilled The trailer must not be used in any way other than that described above Usin...

Page 10: ...r is used the limits stipulated by the road traffic legislation in force in a given country must be observed The trailer s speed must not however be greater than the maximum design speed TABLE 1 1 THE AGRICULTURAL TRACTOR S REQUIREMENTS CONTENTS MEASURED AS REQUIREMENTS Brake system Pneumatic system 1 conduit Pneumatic system 2 conduit Pressure rating of the pneumatic system Hydraulic brake system...

Page 11: ...rotating drawbar eye 50 mm OP Drawbar with ball joint towing attachment 80 mm OP Power steering hydraulic system SD Hydraulically operated back frame SD Single conduit pneumatic brake system SD Double conduit pneumatic brake system OP Hydraulic brake system OP Slow moving vehicle warning sign OP Wheel wedges OP SD standard fittings OP fittings available at the customer s request 1 4 WARRANTY CONDI...

Page 12: ... user s fault caused by road accidents by inappropriate use regulation or maintenance use of the trailer for purposes other than those for which it is intended use of a damaged trailer repairs carried out by unauthorised persons improperly carried out repairs arbitrary and wilful adjustments to the trailer s structure the user may lose the right to warranty service IMPORTANT Demand that the seller...

Page 13: ...ximum design speed The machine may sway when being towed Should this happen the driving speed should be decreased When loading and unloading the trailer comply with the general principles of workplace health and safety for reloading work Persons operating reloading equipment must have the qualifications required to operate these machines The trailer should be attached firmly to the platform of the...

Page 14: ...t sources flammable materials and food Oil which has been used up or is unsuitable for further use owing to a loss of its properties should be stored in its original packaging in the conditions described above 1 7 WITHDRAWAL FROM USE Should the user decide to withdraw the machine fro use the entire trailer should be taken to a scrap yard When spare parts are changed worn out or damaged parts shoul...

Page 15: ...2 1 SECTION 2 SAFETY IN USE BASIC SAFETY PRINCIPLES PRINCIPLES WHEN TRAVELLING ON PUBLIC ROADS DESCRIPTION OF MINIMAL RISK INFORMATION AND WARNING STICKERS ...

Page 16: ...sing this machine should be the application of safety principles 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 adherence to the principles of safe use creates a danger for the health and life of the operator and others The trailer must not be used...

Page 17: ...sed when not in working order The trailer s maximum carrying capacity must not be exceeded Exceeding the carrying capacity may lead to damage to the machine loss of stability while driving scattering of the load and danger working or driving conditions Loading and unloading must take place on horizontal terrain However should it be necessary to carry out reloading work on sloping ground the work m...

Page 18: ...t a doctor immediately Hydraulic oil may find its way under the skin and cause infections Use the hydraulic oil recommended by the manufacturer Never mix two types of oil After changing the hydraulic oil the used oil should be properly disposed of When working on the tyres wedges or other objects without sharp edges should be placed under the wheels of the trailer to prevent it from rolling Repair...

Page 19: ...carried out under a machine which has only been raised with a lift The trailer must not be supported using fragile elements bricks or concrete blocks Check the tyre pressure regularly Owing to the large temperature differences in winter it is recommended that the air pressure be checked more often In the event of any fault or damage whatsoever disconnect the trailer from use until the fault has be...

Page 20: ...e damaged they should be removed or covered with non flammable material before commencing welding work During the warranty period any repairs may only be carried out by a Warranty Service authorised by the manufacturer Should it be necessary to change individual parts use only those parts indicated by the manufacturer Non adherence to these requirements may cause danger to the health and the user ...

Page 21: ... the trailer may damage it and also threaten the safety of traffic Do not exceed the maximum speed limit Adjust your speed to the road conditions Place the slow moving vehicle warning sign on the back wall While driving on public roads the trailer must be fitted with a certified or authorised reflective warning triangle While moving without a load the grapple loader and grab must be arranged in th...

Page 22: ...ne is running and when the machine is being attached being on the machine while the engine is running being within range of the grapple loader being positioned under the grapple loader operating the trailer with the safety guards removed or faulty not keeping a safe distance while the trailer is in operation not keeping a safe distance during reloading work operation of the trailer by persons unde...

Page 23: ... and 2 3A Throughout the time it is in use the user of the machine is obliged to take care that notices and warning and information symbols located on the trailer are clear and legible In the event of their destruction they must be replaced with new ones Stickers with notices and symbols are available from the manufacturer or from the retailer where the machine was purchased New assemblies changed...

Page 24: ...he space under the trailer s loader 4 Keep a safe distance from the operating zone of the frame extension mechanism 5 Do not reach into the operating zone of the rotating drawbar Danger of crushing 6 Do not reach into the operating zone of the grab s arms ...

Page 25: ...sion 10 Grease according to the recommendations in the operating instructions 11 Check the condition of the screw and nut connections of the wheel axles 12 Type of trailer 13 Maximum carrying capacity of the trailer 14 Air pressure in the tyres 20 m 1900 2 8 1010 4 5 690 5 8 450 kg 6 9 m Smarować Grease Schmieren 50 100 km M18 27 kGm M20 35 kGm M22 45 kGm T644 1 PRONAR Ładowność 8000 kg 450 kPa ...

Page 26: ... INSTRUCTIONS 17 Quick couplers of the hydraulic system of the frame extension 18 Quick coupler of the hydraulic brake system 19 Quick couplers of the hydraulic system of the drawbar rotation tyre pressure in standard fittings pressure levels may be subject to change depending on the tyres used Information stickers numbers 17 18 and 19 were placed on the hydraulic leads depending on the type of sy...

Page 27: ...2 13 FIGURE 2 2A Distribution of information and warning stickers pt 1 Labelling in line with table 2 1 3 6 4 2 ...

Page 28: ...ing stickers pt 2 Labelling in line with table 2 1 Ładowność 8000 kg Smarować Grease Schmieren R O R P N A 4 T 6 4 1 5 450 kPa 1900 2 8 1010 4 5 690 5 8 450 kg 7 0 m 15 16 13 14 10 11 12 8 9 1 20 m T644 1 PRONAR 50 100 km M18 27 kGm M20 35 kGm M22 45 kGm ...

Page 29: ...3 1 SECTION 3 CONSTRUCTION AND PRINCIPLE OF OPERATION TECHNICAL SPECIFICATION LOAD BOX LOADER AXLE SYSTEM ELECTRICAL SYSTEM WARNING SIGNS AND INDICATORS WORKING BRAKE CENTRAL HYDRAULIC SYSTEM ...

Page 30: ...ed frame Width Height mm mm mm mm 3 500 4 340 1 835 1 440 Capacity of load space Without extended frame With extended frame m3 m3 8 5 10 5 Technical specification Maximum design carrying capacity Maximum gross weight Tare weight Minimum tractor power demand Maximum design speed Grapple and rotator weight Drawbar turning angle left right kg kg kg KM kW km h kg deg 8 000 12 100 4 100 65 47 8 30 160 ...

Page 31: ...ent point lift Minimum clearance Lift of load surface V mm kg mm mm mm 12 1 670 2 000 485 335 815 3 2LOAD BOX Frame 1 overload balks is a structure are welded from steel sections The main support elements are two longitudinal rails connected with crossbars and stake supports In the front part of the frame plates are welded which are used to mount the grapple loader and drawbar with turning mechani...

Page 32: ...eloading work System control is accomplished using levers placed in the tractor cab Body of the rotator 1 is mounted on the load box frame and is the base on which the entire loader s structure is supported Rotator column 2 is mounted on cone bearings in the body Rotating movement of the columns in the horizontal plane is accomplished by four cylinders 10 positioned in the horizontal plane ...

Page 33: ... farm III 7 arm IV 8 grapple 9 grapple rotator 10 cylinder body The maximum left and right turning angle of the column is 200 a total of 400 In the upper part of the column a loader jib is mounted consisting of arm 4 5 6 and 7 Arm I 4 and arm II 5 move in the vertical plane Arm III 6 and arm IV 7 move much like a telescopic ...

Page 34: ...STEM FIGURE 3 3A Axle system design 1 wheel 2 rocker arm 3 axle shaft 4 Axel 5 arm of the axle shaft expander cam Suitable trailer tyres and axle system design allow efficient driving in difficult terrain conditions Subassembly is mounted in the rear section of the load box frame Axle shaft 3 consisting of square bar terminated with a pin were mounted on cone bearings are wheel hubs These are sing...

Page 35: ...f 12 V DC Connection of the trailer s electrical system with the tractor should be made through an appropriate connection lead that this part of the trailer s standard equipment Rear lamp group is mounted in an enclosure on the extendable frame FIGURE 3 4A Positioning of electrical elements and reflective lights 1 left rear lamp group 2 right rear lamp group 3 slow moving vehicle warning sign 4 or...

Page 36: ...e single conduit pneumatic brake system double conduit pneumatic brake system hydraulic brake system The pneumatic or hydraulic brakes are activated from the tractor driver s cab by pressing on the brake pedal in the tractor The tractor s and trailer s pneumatic brakes are designed to automatically activate when the pneumatic system conduits are inadvertently pierced or disconnected ...

Page 37: ...ingle conduit pneumatic brake system 1 air tank 2 control valve 3 three step brake force regulator 4 air filter 5 pneumatic connection 6 pneumatic cylinder 7 control connector 8 drain valve 9 air tank control connector ...

Page 38: ...Double conduit pneumatic brake system 1 air tank 2 control valve 3 three step brake force regulator 4 air filter 5 pneumatic connection 6 pneumatic cylinder 7 control connector 8 drain valve 9 air tank control connector ...

Page 39: ...ally activate trailer s brakes Valves used in the system are equipped with a circuit causing the brakes to be applied which is used when trailer is disconnected from the tractor When compressed air conduit is connected to a tractor the device automatically applying the brakes now changes its position to allow normal brake operation Three step brake force regulator used in single and double conduit...

Page 40: ...working position B half load working position C full load working position 3 7CENTRAL HYDRAULIC SYSTEM The trailer s hydraulic system consists of eight independent hydraulic circuits controlling the machine s individual subassemblies The hydraulic system is supplied from an external system of the tractor ...

Page 41: ...iagram 1 jib lift cylinder 2 arm III extension under 3 arm IV extension under 4 rotator column cylinder 5 outrigger cylinders 6 grapple rotator 7 grapple control cylinder 8 arm II withdrawal cylinder 9 manifold 10 flow regulator 11 hydraulic lock ...

Page 42: ...ydraulic system control and acting elements 1 jib lift cylinder 2 arm III extension under 3 arm IV extension under 4 rotator column cylinder 5 outrigger cylinders 6 grapple rotator 7 grapple control cylinder 8 arm II withdrawal cylinder 9 manifold ...

Page 43: ...3 15 FIGURE 3 12A Positioning of control levers Description of individual control elements can be found in table 3 2 ...

Page 44: ...er 7 Closing opening of the grapple 3 FORWARD BACKWARD Rotator 4 Rotation of jib column left right 4 FORWARD BACKWARD Cylinder 5 left Extension withdrawal of the left outrigger 5 FORWARD BACKWARD Cylinder 5 right Extension withdrawal of the right outrigger 6 FORWARD BACKWARD Rotator 6 rotation of the grapple left right Marking as shown on the figure 3 11A FIGURE 3 13A Positioning of flow regulator...

Page 45: ...s depends on the settings of flow regulators installed in individual control circuits FIGURE 3 14A Flow regulator 1 regulation dial 2 regulator scale Turning the regulator dial 1 clockwise hydraulic oil flow rate is reduced while turning the regulator dial anticlockwise causes the hydraulic oil flow rate to increase ATTENTION Breaking of flow regulator dial seals 4 7 figure 3 13A and changing the ...

Page 46: ...RE 3 15A Frame extension hydraulic system 1 hydraulic cylinder 2 hydraulic connection 3 information stickers Frame extension hydraulic system is used to increase the capacity of the load box Double acting hydraulic cylinder is controlled from external hydraulic system of the tractor through oil manifold Information sticker 3 marking frame extension hydraulic system conduits applied in the vicinity...

Page 47: ...19 FIGURE 3 16A Stake spacing 3 9POWER STEERING HYDRAULIC SYSTEM FIGURE 3 17A Power steering hydraulic system diagram 1 left turn cylinder 2 write firm cylinder 3 hydraulic connector 4 information sticker ...

Page 48: ...eering system must not be used when travelling on public roads Drawbar must be locked using the drawbar interlocking mechanism The trailers hydraulic system is supplied with oil from the tractor s hydraulic system Hydraulic oil manifold of the tractor s external hydraulic system is used to control the drawbar ...

Page 49: ... CORRECT USE PREPARING FOR WORK BEFORE FIRST USE CHECKING THE TRAILER S TECHNICAL CONDITION ATTACHING TO TRACTOR RELOADING WORK TRANSPORTING THE TRAILER DISCONNECTING FROM TRACTOR PROPER USE AND MAINTENANCE OF TYRES ...

Page 50: ...rcing deflections or broken components Check the trailer s all lubrication points lubricate the machine as needed according to recommendations provided in section 5 Check technical condition of tyres and tyre pressure Check if the nuts and bolts fixing the wheels the drawbar and other components are properly tightened Check the technical condition of elastic hydraulic conduits Ensure that hydrauli...

Page 51: ...sing the trailer the user must thoroughly familiarise himself with the content of these instructions Careless and improper use and operation of the trailer and non adherence to the recommendations included in these instructions are dangerous for the health The trailer must never be used by persons who are not authorised to drive agricultural tractors including children and people under the influen...

Page 52: ...each use Check technical condition of tyres and tyre pressure Check the condition of tyre tread lateral surfaces wheel rim and if necessary inflate the tyres up to recommend pressure Technical condition of the brake system Inspect all individual elements of the system check the conduits for wear and tear check connector sealing drain water from the air tank for pneumatic brake system when connecte...

Page 53: ...aise the parking stand prevent parking stand from falling using a pin connect electrical leads to the tractor as well as hydraulic and braking system conduits install control support in the tractor s cab Place a slow moving vehicle warning sign in extendable frame DANGER When attaching there must be nobody between the trailer and the tractor when attaching the machine tractors driver must exercise...

Page 54: ...stem conduit connectors are equipped with rubber seals which must not be damaged or soiled ATTENTION The trailer must not be moved when the parking stand is extended and rests on the ground If moved there is a risk of damage to the parking stand Trailer may be attached exclusively to a tractor which meets the requirements for a minimum power demand is equipped with suitable braking and hydraulic s...

Page 55: ... and the tractor s parking brake must be engaged Load must be uniformly distributed and it must not obstruct visibility or hinder driving Before starting the loading or unloading work remove the slow moving vehicle warning sign and extend both left and right of outrigger supports in order to ensure trailer stability When trailer is used in difficult terrain it is allowable in extreme cases to load...

Page 56: ...4 8 FIGURE 4 1A Jib outreach diagram 0 1 2 3 4 5 6 7m 1 2 3 4 5 6 7 8 9 10 ...

Page 57: ...eration should be performed prior to loading Spacing between trailer stakes is shown on figure 3 16A When working adjust the speed of action of individual hydraulic cylinders as needed These settings can be changed using hydraulic oil flow regulators compare figure 3 14A Change in settings is possible for the following central hydraulic system circus jib raising and lowering extension withdrawal o...

Page 58: ...gn speed and maximum speed allowable by road traffic law must not be exceeded The towing speed should be adapted to the current road conditions load carried by the trailer road surface conditions and other relevant conditions In the event of trailer malfunction pull over on the hard shoulder avoiding any risk to other road users and position reflective warning triangle according to traffic regulat...

Page 59: ... 4 3A When travelling on public roads trailer must be marked with a slow moving vehicle warning sign attached to the extendable frame 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 the trailer Speed must be sufficiently reduced before making a turn or drivi...

Page 60: ...E 4 4A Drawbar locking mechanism 1 Drawbar locking pin 4 6 DISCONNECTING FROM TRACTOR In order to disconnect the trailer from the tractor perform the following Retract jib to its transportation position Disconnect from the tractor all electrical leads as well as hydraulic and braking system conduits Protect terminals against soiling Disconnect drawbar from the tractor s hitch and move the tractor ...

Page 61: ... and entitled to do so This work should be carried out using appropriately selected tools After removing a wheel always check how firmly the nuts are screwed in Individual checks should be made after the first use after the first journey with a load after travelling 1000 km and then every 6 months The above actions should be repeated individually if a wheel has been removed from the wheel axle Reg...

Page 62: ...4 14 When trailer is operated all day stop working for a minimum of one hour in the afternoon Avoid potholes sudden manoeuvres or high speeds when turning ...

Page 63: ...F WHEEL AXLE BEARINGS REGULATION OF MAIN BRAKES REGULATION OF ROCKER ARM BEARING PNEUMATIC SYSTEM OPERATION HYDRAULIC SYSTEM OPERATION STORAGE LUBRICATION TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS FAULTS AND MEANS OF REMEDYING THEM LIST OF BULBS ...

Page 64: ...s under trailer wheels and raise wheels in succession using the appropriate lifting jack Place jack under the rocker arm at the height of the half axle rocker arm housing 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 without excessive resistance FIGURE 5 1A regulation...

Page 65: ...ut not less than1 3 rotation to cover the nearest thread groove with alignment to opening in wheel stub axle secure castellated nut was cotter pin and mount hub cap The wheel should turn smoothly without faltering or detectable resistance not originating from abrasion of brake shoes in brake drum TABLE 5 1 HYDRAULIC LIFT REQUIREMENTS PARAMETER MEASURED AS VALUE Lift capacity kg 2 500 Height of lif...

Page 66: ...n relation to expander shafts 1 To do this dismantle axle shaft arm and set it in the correct direction i e in direction A if braking is too early in direction B if breaking is too late Regulation should be conducted separately for each wheel After proper brake regulation at full braking the axle shaft expander arm should create an angle of 90 with ram piston Axle shaft expander arms must make the...

Page 67: ... main brakes 1 expander shaft 2 expander arm 3 spring ring 4 washer A B regulation direction With properly regulated brakes trailer main brake braking force should reach a value not less than that given in table 5 2 1 2 4 3 A B B A ...

Page 68: ...r the plate mounting the wheel system to the load box arms arrow A If the rocker arm indicates excessive slack in the horizontal plane arrow B the value of which exceeds 15 20 mm measured at the end of the rocker arm then rocker arm bearing should be adjusted After dismantling wheel then unscrew bearing cover 3 After bending back toothed washer 2 unscrew bearing nut 1 and toothed washer 2 Parts 1 ...

Page 69: ... FIGURE 5 3A Regulation of main brakes 1 bearing nut 2 toothed washer 3 cover 4 5 cone bearing A jack support place B rocker arm movement direction during inspection of slack play 1 2 3 4 5 A m 15 20m B B ...

Page 70: ...covering checked elements with washing fluid or other foaming preparations which will not react aggressively with system elements Damaged seals or conduits causing leaks should be replaced If the cause of the system leak is the outflow from a piston control valve body or braking force regulator should be taken to authorised repair provider for repair or replacement of parts At least once a month c...

Page 71: ...ake out and clean air filter inserts which are placed in pneumatic system connection conduits Inserts are used many times and are not subject to changing unless they are mechanically damaged In order to clean insert first reduce pressure in supply conduit Next slide out the safety slide lock 1 figure 5 5A Hold the filter cover 2 with the other hand After removing slide lock the cover is pushed off...

Page 72: ...ction Pneumatic system connection must be inspected on regularly during use of trailer and if necessary cleaned of all contamination Particular attention should be paid to the technical condition of security covers and rubber seals If these elements are damaged they should be replaced It is recommended that seals are preserved with silicon preparation specified for rubber elements every six months...

Page 73: ...erator connected with the pneumatic system include cleaning or changing air filter cleaning and maintaining conduit connections draining water from a tank cleaning drain valve inspecting air tightness of pneumatic system Work connected with the repair change or regeneration of system elements conduits braking force regulator control valve etc should be entrusted to specialist establishments having...

Page 74: ... of confirmation of an oil leak on hydraulic conduit connections tighten connections and if this does not remedy faults then it is necessary to change conduit or connection elements If oil leak occurs beyond connection the leaking conduit system should be changed Change of sub assemblies is equally required in each instance of mechanical damage In the event of confirmation of damage of hydraulic r...

Page 75: ...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 Do not apply organic solvents petrol kerosene Contaminated clothing should be changed to prevent access of oil to skin In the event of contact of oil with eye rinse with large quantity of water and in the event of the occurrence of irritation consultant a...

Page 76: ...ded Trailer should be very carefully washed and dried While washing do not direct a strong water or steam jet at information and warning stickers electrical equipment elements and hydraulic and pneumatic systems Nozzle of pressure or steam washer should be kept at a distance of not less than 30 cm from cleaned surface Corroded areas should be protected as described above Trailer should be lubricat...

Page 77: ...t 40 months 2 Connector 4 permanent 40 months 3 Hydraulic cylinder ram eye 6 permanent 40 months 4 Grapple arm pins 4 permanent 40 months 5 Grapple rotator pin 1 permanent 11 months 6 Rotator seal 2 permanent 1 month 7 Column pin 1 permanent 40 months 8 Pusher pins 3 permanent 40 months 9 Sliding surfaces of telescopic arms 4 permanent 40 months 10 Pusher lever pins 1 permanent 40 months 11 Arm pi...

Page 78: ...ent 24 months 15 Wheel bearings 8 permanent 24 months 16 Axle expander shaft sleeves 4 permanent 6 months 17 Frame extension ram cylinder eye 2 permanent 40 months 18 Drawbar turning ram cylinders eyes 4 permanent 40 months not shown on figure IMPORTANT Description of markings in Item column in table 5 4 is according to numbering presented in figures 5 7A and 5 8A ...

Page 79: ...5 17 FIGURE 5 7A Grapple loader greasing points 1 2 2 2 2 3 3 4 4 5 6 3 3 3 3 3 3 3 3 7 8 8 9 9 10 11 ...

Page 80: ... drawbar greasing points Trailer greasing should be performed with the aid of a manually or foot operated grease gun filled with generally available permanent grease Before beginning greasing in so far as is 12 14 15 15 16 17 17 18 18 ...

Page 81: ... TORQUE FOR NUT AND BOLT CONNECTIONS Unless other tightening parameters are given during maintenance repair 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 5 5 Given values apply to non greased steel bolts TABLE 5 5 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5 8 8 8 10 9 TH...

Page 82: ...duit Replace Leaking connections Tighten replace washers or seal set replace conduits Problem with moving off Damage control valve or brake force regulator Check valve check brake force regulator replace in the event of damage to whichever elements Excessive slack in bearings Checks slack and regulate if needed Noise in axle hubs Damaged bearing Change bearing together with sealing ring Excessive ...

Page 83: ...repair or replace ram cylinder Damaged hydraulic manifold Repair or replace damaged manifold section Excessive cylinder ram loading Reduce load weight Comply with operation instruction recommendations Damaged hydraulic conduits Check and ascertain that hydraulic conduits are tight not fractured and properly tightened If necessary replace or tighten Knocking piston jerking Worn out ram slide sleeve...

Page 84: ...se rocker pistons and bearing Incorrect suspension operation Excessive slack in rocker arm bearings Check and regulate slack in rock arm bearings 5 10 LIST OF BULBS TABLE 5 7 LIST OF BULBS LAMP BULB Rear lamp group left W21L right W21P indicator light P21W brake light P21W parking light R10W ...

Page 85: ...NOTES ...

Page 86: ... ...

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