PRONAR T644/1 Manual
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PRONAR T644/1 Manual

Log trailer with grapple loader
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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

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Summary of Contents for PRONAR 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...
  • Page 2 The machine is designed to meet obligatory standards, documents and legal regulations currently in force. The instructions describe the basic principles of safe use and operation of T644/1 log trailer with grapple loader. If the information contained in the operating instructions needs clarification then the user should refer for assistance to the sale point where the machine was purchased or to the manufacturer.
  • Page 3 Information, descriptions of danger and precautions and also recommendations and orders associated with user safety instructions are marked: and also preceded by the word "DANGER”. Failure to observe the instructions may endanger the machine operator's or other person's health or life. Particularly important information and instructions, the observance of which is essential, are distinguished in the text by the sign: and also preceded either word "ATTENTION".

  • Page 5: Table Of Contents

    TABLE OF CONTENTS BASIC INFORMATION IDENTIFICATION INTENDED USE FITTINGS WARRANTY CONDITIONS TRANSPORT ENVIRONMENTAL HAZARDS WITHDRAWAL FROM USE SAFETY IN USE BASIC SAFETY PRINCIPLES PRINCIPLES WHEN TRAVELLING ON PUBLIC ROADS DESCRIPTION OF MINIMAL RISK INFORMATION AND WARNING STICKERS CONSTRUCTION AND PRINCIPLE OF OPERATION TECHNICAL SPECIFICATION LOAD BOX LOADER...
  • Page 6 DISCONNECTING FROM TRACTOR 4.12 PROPER USE AND MAINTENANCE OF TYRES 4.13 TECHNICAL MAINTENANCE INSPECTION OF WHEEL AXLE BEARINGS REGULATION OF MAIN BRAKES REGULATION OF ROCKER ARM BEARING PNEUMATIC SYSTEM OPERATION HYDRAULIC SYSTEM OPERATION 5.12 STORAGE 5.14 LUBRICATION 5.15 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 5.19 FAULTS AND MEANS OF REMEDYING THEM 5.20...

  • Page 7: Basic Information

    SECTION BASIC INFORMATION IDENTIFICATION INTENDED USE FITTINGS WARRANTY CONDITIONS TRANSPORT ENVIRONMENTAL HAZARDS WITHDRAWAL FROM USE...

  • Page 8: Identification

    Location of the data plate and serial number (1) data plate, (2) serial number The T644/1 log trailer was labelled using a data plate (1), located on the angle brace of the right longitudinal rail, and a serial number (2) located on a rectangular silver painted area.

  • Page 9: Intended Use

    1.2 INTENDED USE The T644/1 log trailer with grapple loader is intended as a towed agricultural machine, designed to be connected to and used with an agricultural tractor. The T644/1 is designed for rolling and carrying wood logs. Rolling involves loading wood...
  • Page 10 The trainer is not intended or designed for transporting people or animals. IMPORTANT! The trailer must not be used for purposes other than those for which it is intended, in particular: • for transporting people and animals, • using the trailer for transporting any materials other than those stipulated in the instructions.

  • Page 11: Fittings

    SD – standard fittings, OP – fittings available at the customer's request 1.4 WARRANTY CONDITIONS "PRONAR" Sp. z o.o. in Narew guarantees the reliable operation of the machine when it is used according to the technical usage instructions described in the OPERATING...
  • Page 12 INSTRUCTIONS. Faults discovered during the warranty period will be rectified by the Warranty Service within no more than 14 working days of the machine being received for repair by the Warranty Service, or within another agreed time. The guarantee does not cover those parts and sub-assemblies of the machine which are subject to wear in normal usage conditions, regardless of the warranty period.

  • Page 13: Transport

    1.5 TRANSPORT The trailer is ready for sale in a completely assembled state and does not require packing. Packing is only required for the machine's technical and driving documentation, connection lead for the electrical system and any extra fittings. IMPORTANT! When transporting independently, the user must familiarise himself with the content of these instructions and observe their recommendations.

  • Page 14: Withdrawal From Use

    the leaked oil using available means. Remaining oil should be removed using sorbents, or by mixing the oil with sand, sawdust or other absorbent materials. The oil pollution, once gathered up, should be kept in a sealed, marked, hydrocarbon resistant container, and then passed on to the appropriate oil waste recycling centre.

  • Page 15: Safety In Use

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

  • Page 16: Basic Safety Principles

    • Any modification to the trailer frees PRONAR Narew from any responsibility for damage or detriment to health which may arise as a result. •...
  • Page 17 axle system, indicator lights, safety guards and the connective elements of the hydraulic and brake systems. • The trailer can only be stood on when it is absolutely motionless and the tractor engine is switched off. The tractor must be immobilised with the parking brake, and the trailer protected against rolling with wedges.
  • Page 18 • The arrangement of the load may not cause an overload on the axle or hitch system of the trailer or tractor. • The hydraulic system is under high pressure when operating. • Regularly check the technical condition of the connections and the hydraulic and pneumatic leads.
  • Page 19 • The load may not protrude further out than the upper edge of the trailer's front wall. The load must be arranged in such a way that it does not threaten the stability of the trailer while parked or in motion, and does not hinder driving. •...
  • Page 20 • Regularly check the condition of the screw and nut connections. • 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. Welding work should be carried out in a well lit and well ventilated space.

  • Page 21: Principles When Travelling On Public Roads

    2.2 PRINCIPLES WHEN TRAVELLING ON PUBLIC ROADS • When travelling on public roads, respect the road traffic regulations. FIGURE 2.1A Positioning the warning sign (1) slow-moving vehicle sign • Exceeding the maximum load capacity of the trailer may damage it, and also threaten the safety of traffic.

  • Page 22: Description Of Minimal Risk

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

  • Page 23: Information And Warning Stickers

    • carrying out repair and maintenance work in line with operating safety principles, • carrying out repair and maintenance work by persons trained to do so, • using strictly suited protective clothing, • ensuring unauthorised persons have no access to the machine, especially children.
  • Page 24 ITEM SAFETY SYMBOL DESCRIPTION Do not occupy the space under the trailer's loader. Keep a safe distance from the operating zone of the frame extension mechanism. Do not reach into the operating zone of the rotating drawbar. Danger of crushing. Do not reach into the operating zone of the grab's arms 2.10...
  • Page 25 Check the condition of the screw and nut connections of the wheel axles 27 kGm 35 kGm 45 kGm T644/1 PRONAR Type of trailer Maximum carrying capacity of the Ładowność 8000 kg trailer 450 kPa Air pressure in the tyres...
  • Page 26 ITEM SAFETY SYMBOL DESCRIPTION Before beginning servicing or repairs, switch off engine and remove key from ignition Before starting work, familiarise yourself with the contents of the OPERATING INSTRUCTIONS. Quick couplers of the hydraulic system of the frame extension. Quick coupler of the hydraulic brake system.
  • Page 27 FIGURE 2.2A Distribution of information and warning stickers, pt. 1 Labelling in line with table 2.1. 2.13...
  • Page 28 FIGURE 2.3A Distribution of information and warning stickers, pt. 2 Labelling in line with table 2.1. 2.14...

  • Page 29: Construction And Principle Of Operation

    SECTION 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: Technical Specification

    3.1 TECHNICAL SPECIFICATION TABLE 3.1 TECHNICAL SPECIFICATION OF STANDARD FITTINGS CONTENTS UNIT T644/1 Dimensions Total length - without extended frame 5 600 - with extended frame 6 440 Width 2 100 Height (grapple loader folded in) 3 300 Internal load space dimensions:...

  • Page 31: Load Box

    CONTENTS UNIT T644/1 - 5.8 m - 6.9 m Maximum reach 6 900 Jib turning angle (left / right) 200 / 200 Rotator rotation angle unlimited Maximum opening of grapple jaws 1 085 Minimum grasp diameter Tyres Tyre 400/60 - 15.5 145A8 Wheel rim 13.00x15.5...

  • Page 32: Loader

    FIGURE 3.1A Load box design (1) frame, (2) front wall, (3) stake, (4) extendable frame, (5) rear lamp group enclosure, (6) orange reflective lights 3.3 LOADER Grapple loader is a subassembly designed for reloading 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.
  • Page 33 FIGURE 3.2A Grapple loader construction (1) rotator body, (2) rotator column, (3) rotator support outriggers, (4) arm I, (5) arm II, (6) 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).

  • Page 34: Axle System

    cylinder. Mounted at the end of the jib is cylinder's suspension, grapple rotator (9) and the grapple (8). Specially designed grapple rotator allows turning of the grapple in both directions, and the rotating angle is unlimited. Mounted on both sides of the rotator's body (1) are support outriggers (3), whose purpose is to stabilise the trailer during reloading work.

  • Page 35: Electrical System, Warning Signs And Indicators

    and rear part of the rocker) are pneumatic or hydraulic brake cylinders, depending on the trailer's standard equipment. 3.5 ELECTRICAL SYSTEM, WARNING SIGNS AND INDICATORS The trailer's electrical system is designed for supply of 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.

  • Page 36: Working Brake

    FIGURE 3.5A Electrical system diagram (ZP) / (ZL) left/right rear lamp group, (X7P) seven-pin socket 3.6 WORKING BRAKE The trailer can be equipped with one of the three types of working brake: • single conduit pneumatic brake system • double conduit pneumatic brake system •...
  • Page 37 FIGURE 3.6A Single 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 FIGURE 3.7A 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 3.10...
  • Page 39 FIGURE 3.8A Hydraulic brake system (1) hydraulic brake cylinder, (2) hydraulic connection, (3) information sticker Depending on the type of pneumatic installation, trailer can be equipped with one of the two types of control valves. Its task is to activate the trailer's breaks when the brake pedal is pressed in the tractor.

  • Page 40: Central Hydraulic System

    FIGURE 3.9A Three-step brake force regulator (1) three-step brake force regulator, (2) lever, (A) no-load working position, (B) half load working position”, (C) full load working position 3.7 CENTRAL HYDRAULIC SYSTEM The trailer's hydraulic system consists of eight independent hydraulic circuits controlling the machine's individual subassemblies.
  • Page 41 FIGURE 3.10A Central hydraulic system diagram (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 3.13...
  • Page 42 FIGURE 3.11A Positioning of central and hydraulic 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 3.14...
  • Page 43 FIGURE 3.12A Positioning of control levers Description of individual control elements can be found in table (3.2) 3.15...
  • Page 44 TABLE 3.2 DESCRIPTION OF TRAILER OPERATION CONTROL LEVERS ITEM MOVEMENT CIRCUIT DESCRIPTION DIRECTION FORWARD / Cylinders (2), (3) Extension/withdrawal of jib arms BACKWARD LEFT / RIGHT Cylinder (1) Jib up/down FORWARD / Cylinder (8) Folding/unfolding of the jib BACKWARD LEFT / RIGHT Cylinder (7) Closing/opening of the grapple FORWARD /...
  • Page 45 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.

  • Page 46: Frame Extension Hydraulic System

    The Jim rotation speed to the left and the right is set in the factory -- flow regulator dials (4) and (7) – figure (3.13A), are sealed and locked to prevent the user from changing the setting. The time to fully rotate the grapple loader by 400° is 30 to 35 seconds. 3.8 FRAME EXTENSION HYDRAULIC SYSTEM FIGURE 3.15A Frame extension hydraulic system...

  • Page 47: Power Steering Hydraulic System

    FIGURE 3.16A Stake spacing 3.9 POWER 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 3.19...
  • Page 48 The trailer is equipped with power steering system improving steering in difficult terrain. The power steering 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.

  • Page 49: Correct Use

    SECTION 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: Preparing For Work Before First Use

    4.1 PREPARING FOR WORK BEFORE FIRST USE The manufacturer guarantees that the trailer is fully operational and has been checked according to quality control procedures and is ready for normal use. This does not release the user from an obligation to check the machine's condition after delivery and before first use.

  • Page 51: Checking The Trailer's Technical Condition

    • Check of the hydraulic system operates correctly by activating individual hydraulic cylinders (first extend hydraulic cylinders of the left and right outrigger prior to activating any other components), • Ensure that hydraulic system does not have any leaks. ATTENTION! The trailer must not be used for purposes other than those for which it is intended.
  • Page 52 TABLE 4.1 TECHNICAL INSPECTION SCHEDULE DESCRIPTION SERVICE OPERATION FREQUENCY check the technical condition of safeguards, if Condition of safeguards complete and correctly mounted. Attach trailer to the tractor and test the brakes Operation of main brakes after moving off. After connecting trailer to the tractor activate in Correct operation of lights sequence individual lights, check if all and indicators.

  • Page 53: Attaching To Tractor

    ATTENTION! The trailer must not be used when not in working order. Prior to commencing hydraulic system conduits the user must familiarise himself with the content of the tractors operating instructions and observe all recommendations of the manufacturer. 4.3 ATTACHING TO TRACTOR Linkage of the trailer and the tractor is only possible when tractor is equipped with a hitch with permissible vertical load off more than 2,000 kg.

  • Page 54: Reloading Work

    When connecting braking system conduits (this refers to double-conduit pneumatic system), first connect the yellow connector to yellow socket in the tractor and only then connect the red connector to the red socket in the tractor. Once the 2nd conduit connected, the braking system will switch to normal mode of operation (disconnection or piercing of the conduits causes the trailer's braking system control valve to automatically apply brakes).
  • Page 55 DANGER The maximum carrying capacity of the trailer and the grapple loader lift must not be exceeded. People or animals must not be carried. Loading and unloading work should be carried out by someone experienced in this type of work. The load may not protrude further out than the upper edge of the trailer's front wall.
  • Page 56 FIGURE 4.1A Jib outreach diagram...
  • Page 57 FIGURE 4.2A Jib rotation angle Depending on the size (length) of wood logs prepared for transport, load space can be increased or reduced. In order to do this use relevant tractor's manifold levers to adjust the loading space length to current needs. This operation should be performed prior to loading. Spacing between trailer stakes is shown on figure (3.16A).

  • Page 58: Transporting The Trailer

    All hydraulic oil flow regulators of the jib rotation circuit have factory settings and are lead- sealed. Any attempt to change the setting in this circuit may damage the trailer and void the guarantee. 4.5 TRANSPORTING THE TRAILER When travelling on public roads, respect the road traffic regulations, exercise caution and prudence.
  • Page 59 FIGURE 4.3A Grapple loader transportation position • When driving the trailers and rabble loader must be retracted so that the grapple rests on the load box. Recommended grapple loader transportation position is shown in figure (4.3A). • When travelling on public roads trailer must be marked with a slow-moving vehicle warning sign attached to the extendable frame.

  • Page 60: Disconnecting From Tractor

    • When driving on public roads, drawbar must be positioned on a symmetry plane and blocked by a pin. Repositioning of the drawbar using the power steering system is allowable in difficult terrain only. FIGURE 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: •...

  • Page 61: Proper Use And Maintenance Of Tyres

    DANGER When disconnecting the trailer maintain safe distance from the drawbar, which can suddenly move upwards. Trailer must not be disconnected when grapple loader jib is raised. Jib must be retracted to its transportation position, Trailer must not be disconnected when loaded. When disconnecting pneumatic system conduits (this refers to double-conduit pneumatic system), first disconnect the red connector and only then disconnect the yellow connector.
  • Page 62 • 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. 4.14...

  • Page 63: Technical Maintenance

    SECTION TECHNICAL MAINTENANCE INSPECTION OF 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: Inspection Of Wheel Axle Bearings

    5.1 INSPECTION OF WHEEL AXLE BEARINGS In newly purchased trailer, after the first month of use or covering a distance of 100 km, while during further use – after 6 months of vehicle use check and regulate wheel axle bearings when needed.
  • Page 65 • Grasp wheel above and below and try to feel any slack play, this may equally be checked with the aid of a jack placed under the wheel supported on the floor/ground. If slack is felt, it is necessary to adjust bearing. Unusual sounds coming from bearing may be symptoms of excess wear, dirt or damage.

  • Page 66: Regulation Of Main Brakes

    Inspection of slack and technical condition of wheel axle bearings must be performed after the first month of use or 100km of travel, and then every 6 months of trailer use. 5.2 REGULATION OF MAIN BRAKES Brakes regulation is necessary when: •...
  • Page 67 FIGURE 5.2A Regulation of 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).

  • Page 68: Regulation Of Rocker Arm Bearing

    The main brake system should be inspected annually and in case of need should be regulated. Difference in braking force of left and right wheel may not be greater than 30%, considering that 100% constitutes greater force. IMPORTANT! Main brake braking force, is the braking force of all trailer wheels. 5.3 REGULATION OF ROCKER ARM BEARING Regulation of rocker arm bearing should take place at the same time as wheel axle bearings regulation.
  • Page 69 1 5 - 2 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...

  • Page 70: Pneumatic System Operation

    DANGER: The trailer must not be supported with the aid of brittle crumbling elements, e.g. hollow blocks, bricks or concrete blocks. The trailer should be prevented from rolling using wedges placed both sides under the wheels. After raising the trailer an additional strong solid support should be placed. 5.4 PNEUMATIC SYSTEM OPERATION As a part of trailer maintenance, it is necessary to conduct inspection of individual pneumatic systems, giving particular attention to places of all connections.
  • Page 71 FIGURE 5.4A Air tank (1) air tank, (2) drain valve, (3) braking force regulator Annually before the winter period unscrew and clean drain valve. Inspection of tightness and inspection of pneumatic braking systems in detail should be conducted at least annually and after repairs associated with this system. Depending on trailer working conditions, but not less than once in three months, take out and clean air filter inserts, which are placed in pneumatic system connection conduits.
  • Page 72 The insert and the air filter body should be cleaned at least every 3 months of trailer use. FIGURE 5.5A Air filter (1) securing slide lock, (2) air filter cover DANGER: Before proceeding to dismantle filter, reduce pressure in supply conduit. While disengaging filter slide lock, hold cover with other hand.
  • Page 73 Connection should be inspected every time before connecting trailer to tractor. During connection make sure that tractor socket is not damaged and is maintained in the due cleanliness. FIGURE 5.6A Conduit connections (1) rubber seal, (2) security cover The duties of the operator connected with the pneumatic system include: •...

  • Page 74: Hydraulic System Operation

    5.5 HYDRAULIC SYSTEM OPERATION Always adhere to the principle that the oil in the trailer hydraulic system and in the tractor hydraulic system are the same type. Application of different types of oil is not permitted. In a new trailer system is filled with HL32 hydraulic oil. TABLE 5.3 HL32 HYDRAULIC OIL CHARACTERISTICS ITEM...
  • Page 75 IMPORTANT! Trailer with a leaking hydraulic system must NOT be used. The condition of hydraulic systems should be inspected regularly while using trailer. The hydraulic system is under high pressure when operating. Regularly check the technical condition of the connections and the hydraulic conduits. Use the hydraulic oil recommended by the Producer.

  • Page 76: Storage

    Work connected with the repair, change or regeneration of system elements (hydraulic ram cylinders, conduit connections, hydraulic manifold, flow regulators etc.) should be entrusted to specialist establishments, having the appropriate technology and qualifications for this type of work. 5.6 STORAGE After finishing work with trailer cleaned thoroughly and wash with water jet.

  • Page 77: Lubrication

    5.7 LUBRICATION Trailer lubrication must be carried out in places indicated in figures (5.7A) and (5.8A), and also detailed in table (5.4). TABLE 5.4 GREASING POINTS NUMBER TYPE OF GREASING NAME GREASING GREASE FREQUENCY POINTS Rotator suspension pin permanent 40 months Connector permanent 40 months...
  • Page 78 NUMBER TYPE OF GREASING NAME GREASING GREASE FREQUENCY POINTS Frame extension sliding permanent 40 months surfaces Rocker arm bearing permanent 24 months Wheel bearings permanent 24 months Axle expander shaft sleeves permanent 6 months Frame extension ram cylinder permanent 40 months Drawbar turning ram cylinders permanent 40 months...
  • Page 79 FIGURE 5.7A Grapple loader greasing points 5.17...
  • Page 80 FIGURE 5.8A Wheel system and 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 5.18...

  • Page 81: Tightening Torque For Nut And Bolt Connections

    possible remove old grease and other contamination. After greasing machine according to instructions, wipe off excess grease. During trailer use the user is obliged to observe greasing instructions according to attached schedule. Excess greasing substance causes depositing additional contaminants in places requiring greasing, therefore it is essential to keep individual machine elements clean.

  • Page 82: Faults And Means Of Remedying Them

    FIGURE 5.9A Bolt with metric thread (1) bolt strength class, (d) thread diameter 5.9 FAULTS AND MEANS OF REMEDYING THEM TABLE 5.6 FAULTS AND MEANS OF REMEDYING THEM FAULT CAUSE REMEDY Brake system pneumatic Connect brake conduit. conduit not connected Damaged pneumatic Replace.
  • Page 83 FAULT CAUSE REMEDY Worn brake linings Change brake shoes Incorrect flow regulator Check and if necessary correct setting Check oil quality, make sure that Improper hydraulic oil the oil in both machines is at the viscosity same type. If necessary change oil in tractor or in trailer Check output of tractor pump, if Insufficient tractor hydraulic...

  • Page 84: List Of Bulbs

    FAULT CAUSE REMEDY Change bearing, regulate slack Damaged rocker arm and grease rocker pistons and bearings Incorrect suspension bearing operation Excessive slack in rocker Check and regulate slack in rock arm bearings arm bearings 5.10 LIST OF BULBS TABLE 5.7 LIST OF BULBS LAMP BULB...
  • Page 85 NOTES ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………………………..
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