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PRONAR T130 Operator's Manual

Sand spreader
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INTRODUCTION
Information contained herein is current at date of publication. As a result of improvements,
some numerical values and illustrations contained in this publication may not correspond to
the factual specification of the machine supplied to the user. The manufacturer reserves the
right to introduce design changes in machines produced that facilitate operation and improve
the quality of their work, without making minor amendments to this Operator's Manual.
Please send your comments and proposals on the design and operation of the machine to
the Manufacturer. This information enables objective evaluation of the machines produced
and provides indications for their further improvement. Information on significant design
changes is passed on to users on information inserts attached to this Operator's Manual
(annexes).
This Operator's Manual is an integral part of the machine's documentation. 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 T130 single axle sand
spreader. If the information contained in the Operator's Manual needs clarification then the
user should refer for assistance to the sale point where the machine was purchased or to the
Manufacturer.
Manufacturer's address:
Contact telephones
PRONAR Sp. z o.o.
ul. Mickiewicza 101A
+48 085 681 63 29
+48 085 681 63 81
17-210 Narew
+48 085 681 64 29
+48 085 681 63 82

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Summary of Contents for PRONAR T130

  • Page 1 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 T130 single axle sand spreader. If the information contained in the Operator's Manual needs clarification then the user should refer for assistance to the sale point where the machine was purchased or to the Manufacturer.
  • Page 2 Information, descriptions of danger and precautions and also recommendations and prohibitions associated with user safety instructions are marked: and also preceded by the word "DANGER”. Failure to observe the instructions may endanger the machine operator's or other person's health or life. Particularly important information and instructions, the observance of which is essential, are distinguished in the text by the sign: and also preceded by the word "ATTENTION".

  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1 BASIC INFORMATION IDENTIFICATION PROPER USE EQUIPMENT WARRANTY TERMS TRANSPORT ENVIRONMENTAL HAZARDS WITHDRAWAL FROM USE 2 SAFETY ADVICE BASIC SAFETY RULES DRIVING ON PUBLIC ROADS DESCRIPTION OF MINIMAL RISK INFORMATION AND WARNING DECALS 3 DESIGN AND OPERATION TECHNICAL SPECIFICATION CHASSIS LOAD BOX...
  • Page 5 4 CORRECT USE PREPARING FOR WORK BEFORE FIRST USE CHECKING THE SAND SPREADER'S TECHNICAL CONDITION HITCHING TO TRACTOR LOADING SPREADING AND ADJUSTMENT OF SPREADING MATERIAL DENSITY 4.10 DRIVING ON PUBLIC ROADS 4.16 DISCONNECTING FROM TRACTOR 4.17 PROPER USE AND MAINTENANCE OF TYRES 4.20 5 MAINTENANCE SETTING WORKING POSITION OF DRAWBAR...

  • Page 7: Basic Information

    SECTION BASIC INFORMATION IDENTIFICATION PROPER USE EQUIPMENT WARRANTY TERMS TRANSPORT ENVIRONMENTAL HAZARDS WITHDRAWAL FROM USE...

  • Page 8: Identification

    (1) data plate, (2) serial number T130 sand spreader is marked with a data plate (1) placed on the front wall of the load box and with serial number (2) stamped into the left longitudinal rail of lower frame, on a rectangle area painted silver.

  • Page 9: Proper Use

    C - year of manufacture, D – identification number VIN, E - official certificate number, F - tare weight, G – maximum gross weight, H – carrying capacity, I - permissible hitching system loading, J - permissible front axle load K - permissible rear axle load The serial number and type of the axle is stamped on the data plate riveted to the beam of the axle.
  • Page 10 The sand spreader must not be used in any way other than that described above. Using it as intended also involves all actions connected with the safe and proper operation and maintenance of the machine. Due to the above, the user is obliged to: •...

  • Page 11: Equipment

    Operator's Manual 1.3 EQUIPMENT Standard accessories as well as special fittings and optional equipment available on order are given in table (1.2). TAB. 1.2 T130 SAND SPREADER EQUIPMENT EQUIPMENT T130 OPERATOR'S MANUAL WARRANTY BOOK Connection lead for the electrical system Drawbar with rotating drawbar eye ∅50 mm...

  • Page 12: Warranty Terms

    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-assemblies of the machine, which are subject to wear in normal usage conditions, regardless of the warranty period.

  • Page 13: Transport

    ATTENTION! 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. 1.5 TRANSPORT The sand spreader is ready for sale completely assembled and does not require packing. Packing is only required for the machine's technical documentation, connection lead for the electrical system and possible additional equipment (warning reflective triangle, slow-moving vehicle warning sign).

  • Page 14: Environmental Hazards

    the vehicle. During reloading work, particular care should be taken not to damage parts of the sand spreader's fittings or the lacquer coating. 1.6 ENVIRONMENTAL HAZARDS A hydraulic oil leak constitutes a direct threat to the natural environment owing to its limited biodegradability.

  • Page 15: Safety Advice

    SECTION SAFETY ADVICE BASIC SAFETY RULES DRIVING ON PUBLIC ROADS DESCRIPTION OF MINIMAL RISK INFORMATION AND WARNING DECALS...

  • Page 16: Basic Safety Rules

    2.1 BASIC SAFETY RULES • Before using the sand spreader, the user must carefully read this operator's manual. When operating the machine, the operator must comply with the recommendations. The sand spreader may only be used and operated by persons qualified to drive agricultural tractors and trained in the use of the machine.
  • Page 17 • The sand spreader can only be stood on when it is absolutely motionless and the tractor engine is switched off. Agricultural tractor and sand spreader must be immobilised with parking brake. Before entering the sand spreader, ensure that unauthorised persons do not have access to the tractor and remove key from ignition.
  • Page 18 • While connecting the sand spreader to the tractor, use only the lower hitch designed for single axle trailers. After mounting the machine, check the safeguards. • When spreading is completed, disengage the hydraulic drive of the feeding mechanism and discs. •...
  • Page 19 • 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, chocks or other objects without sharp edges should be placed under the wheels of the sand spreader to prevent it from rolling.

  • Page 20: Driving On Public Roads

    • Repair, maintenance and cleaning work should be carried out with the tractor's engine switched off and the ignition key removed. • Regularly check the condition of the bolt and nut connections. • Before welding or electrical work, the sand spreader should be disconnected from the power supply.

  • Page 21: 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 22: Information And Warning Decals

    In the event of their destruction, they must be replaced with new ones. Safety decals can be purchased from the Manufacturer or your PRONAR dealer. New assemblies, changed during repair, must be labelled once again with the appropriate safety signs.
  • Page 23 TAB. 2.1 INFORMATION AND WARNING DECALS ITEM SAFETY SYMBOL DESCRIPTION Before starting work, carefully read the Operator's Manual. Before beginning servicing or repairs, switch off engine and remove key from ignition In the event of work requiring the sieve to be raised, use a support Do not approach and do not place hands near working elements of the feeding mechanism...
  • Page 24 ITEM SAFETY SYMBOL DESCRIPTION Do not approach and do not touch rotating discs of the spreading adapter. Do not climb the feeding mechanism while it is working and while tractor engine is working Keep a safe distance from the spreading adapter while it is working Check the condition of the screw and nut connections of the wheel...
  • Page 25 ITEM SAFETY SYMBOL DESCRIPTION Air pressure in the tyres Type of sand spreader Hydraulic oil flow direction tyre pressure in standard fittings, pressure levels may be subject to change depending on the tyres used 2.11...
  • Page 26 FIG. 2.2A Decal locations Labelling according to table 2.1 „Information and warning decals” 2.12...

  • Page 27: Design And Operation

    SECTION DESIGN AND OPERATION TECHNICAL SPECIFICATION CHASSIS LOAD BOX FEEDING MECHANISM SPREADING ADAPTER HYDRAULIC SYSTEM PNEUMATIC BRAKE SYSTEM PARKING BRAKE ELECTRICAL SYSTEM, WARNING SIGNS AND INDICATORS...

  • Page 28: Technical Specification

    3.1 TECHNICAL SPECIFICATION TAB. 3.1 TECHNICAL SPECIFICATION OF STANDARD FITTINGS CONTENTS UNIT T130 Dimensions Total length 4,950 Width 1,770 Height 1,670 Technical specification Cargo capacity Maximum design carrying capacity 2,520 Sand spreader tare weight Minimum tractor power demand Hydraulic system...

  • Page 29: Chassis

    - for oil delivery of 32 l/min 3.2 CHASSIS Sand spreader chassis consists of subassemblies indicated on figure (3.1A). Lower frame (1) of the sand spreader is a structure welded from steel sections. The main support elements of the frame are two longitudinal members connected with crossbars. In the rear section of the frame there are elements for securing the wheel axle.
  • Page 30 FIG. 3.1A Sand spreader chassis (1) lower frame, (2) wheel axle, (3) wheel, (4) drawbar, (5) support, (6) parking brake mechanism, (7) mudguard...

  • Page 31: Load Box

    3.3 LOAD BOX Sand spreader load box (1) has a monocoque construction. The load box interior is equipped with bows (6) fixed to the load box walls. Pipes (3), which lighten the feeding mechanism during sand spreader operation, are bolted to the bows. On the upper part of the load box there is sieve (2) which can be raised and propped with support (4), if needed.

  • Page 32: Feeding Mechanism

    3.4 FEEDING MECHANISM Design of feeding mechanism is shown on figure (3.3A). Feeding table (1) is a support structure for individual elements of feeding mechanism. Between longitudinal members there are 16 guide rollers (5) installed on which conveyor belt (4) moves. In the front section of the mechanism there is front roller (2) connected with belt tensioner (10).

  • Page 33: Spreading Adapter

    3.5 SPREADING ADAPTER Spreading adapter base (3) is secured to the sand spreader frame brackets located in the rear section of the machine. Hydraulic motors (4) are bolted to the frame. Right spreading disc (1) and left spreading disc (2) are mounted on the hydraulic motors. Position of both spreading discs can be adjusted.
  • Page 34 FIG. 3.5A Spreading adapter discs (1) left spreading disc, (2) right spreading disc, (3) spreading blades, (A) front of sand spreader, (B) rotation direction of spreading adapter discs FIG. 3.6A Spreading adapter shields (1) shield frame, (2) bracket, (3) set of rear shields Spreading adapter is located under shields made of steel sheet (3) –...

  • Page 35: Hydraulic System

    3.6 HYDRAULIC SYSTEM Hydraulic system of the sand spreader drives the spreading adapter and feeding mechanism. This hydraulic system is supplied from the external hydraulic system of the tractor. Hydraulic oil flows through supply connection (1) and gets to flow regulator (4) - to connection (P). Hydraulic oil flows out of outlet (A) and supplies hydraulic motor (3) which drives reduction gear (9) and next, conveyor belt.

  • Page 36: Pneumatic Brake System

    Flow regulator is equipped with a knob adjusting oil output on the receiver's connection. Flow regulator setting determines conveyor belt speed and consequently, density of spreading material. Flow regulator is located in the front section of the sand spreader, under shield, behind the machine drawbar.
  • Page 37 Working brake is activated from the tractor driver's seat by pressing on the brake pedal in the tractor. The control valve activates the sand spreader brakes when the brake pedal is pressed in the tractor. Furthermore, in case of an inadvertent disconnection of the conduit between the sand spreader and the tractor, the control valve will automatically activate sand spreader's brakes.
  • Page 38 FIG. 3.9A Single conduit pneumatic system (1) air tank, (2) control valve, (3) brake force regulator, (4) air filter, (5) conduit connection, (6) diaphragm pneumatic cylinder, (7) cylinder control connection, (8) air tank control connection, (9) drain valve 3.12...
  • Page 39 FIG. 3.10A Double conduit pneumatic system (1) air tank, (2) control valve, (3) brake force regulator, (4) air filter, (5) red conduit connection (6) yellow conduit connection, (7) diaphragm pneumatic cylinder, (8) cylinder control connection, (9) air tank control connectors, (10) drain valve 3.13...

  • Page 40: Parking Brake

    FIG. 3.11A Three-step brake force regulator (1) air tank, (2) control valve, (3) brake force regulator, (4) air filter, (5) red conduit connection (6) yellow conduit connection, (7) diaphragm pneumatic cylinder, (8) cylinder control connection, (9) air tank control connectors, (10) drain valve 3.8 PARKING BRAKE The parking brake is for immobilising sand spreader while standing motionless.
  • Page 41 FIG. 3.12A Parking brake of sand spreader (1) brake crank mechanism, (2) handbrake release, (3) steel cable, (4) guide roller 3.15...

  • Page 42: Electrical System, Warning Signs And Indicators

    3.9 ELECTRICAL SYSTEM, WARNING SIGNS AND INDICATORS The sand spreader electrical system is designed for supply from direct current source of 12 V. Connection of the sand spreader electrical system with the tractor should be made through an appropriate connection lead delivered with the machine. The sand spreader is also equipped with orange lateral reflectors.
  • Page 43 FIG. 3.14A Positioning of electrical components and reflective lights, rear view (1) left rear lamp assembly, (2) right rear lamp assembly, (3) license plate light, (4) slow- moving vehicle warning sign 3.17...
  • Page 44 FIG. 3.15A Electrical system diagram (GP) seven-pin socket (PP), (PL) left/right front parking light, (ZP),(ZL) left/right rear lamp assembly, (OTP)/(OTL) left/right license plate light 3.18...

  • Page 45: Correct Use

    SECTION CORRECT USE PREPARING FOR WORK BEFORE FIRST USE CHECKING THE SAND SPREADER'S TECHNICAL CONDITION HITCHING TO TRACTOR LOADING SPREADING AND ADJUSTMENT OF SPREADING MATERIAL DENSITY DRIVING ON PUBLIC ROADS DISCONNECTING FROM TRACTOR PROPER USE AND MAINTENANCE OF TYRES...

  • Page 46: Preparing For Work Before First Use

    4.1 PREPARING FOR WORK BEFORE FIRST USE The manufacturer guarantees that the sand spreader 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 47 • check if the hydraulic system operates correctly (with empty load box) by activating the drive of the feeding mechanism and spreading adapter discs, • Ensure that hydraulic system does not have any leaks. Engage the hydraulic drive for three minutes, and check the following: •...

  • Page 48: Checking The Sand Spreader's Technical Condition

    DANGER Before using the sand spreader, the user must carefully read this operator's manual. Careless and improper use and operation of the sand spreader, and non-compliance with the recommendations given in this operator's manual is dangerous to your health. The sand spreader must never be used by persons, who are not authorised to drive agricultural tractors, including children and people under the influence of alcohol or other drugs.
  • Page 49 DESCRIPTION SERVICE OPERATION FREQUENCY Check technical condition of tyres Visually inspect the tyres and if they and tyre pressure, are properly inflated. Check the condition of tyre tread, Check technical condition of tyres lateral surfaces, wheel rim and if and tyre pressure, necessary inflate the tyres up to recommend pressure Check of all main nut and bolt...

  • Page 50: Hitching To Tractor

    4.3 HITCHING TO TRACTOR Prior to attempting to link the sand spreader to a tractor verify that the sand spreader is immobilised with a parking brake. The sand spreader may only be hitched to tractor equipped with a hitch with permissible vertical load of more than 500 kg. FIG.
  • Page 51 hitch. If the sand spreader is hitched to tractor for the first time, choose proper drawbar working position – see chapter 5. • While tractor is in reverse, connect drawbar eye to the tractor's hitch and check if the connection is secure. FIG.
  • Page 52 DANGER When hitching, there must be nobody between the sand spreader and the tractor. when hitching the machine, tractors driver must exercise caution and make sure that no body is present in the hazard zone. Be especially careful when hitching the machine to tractor. When hitching, there must be nobody between the sand spreader and the tractor.

  • Page 53: Loading

    ATTENTION! The sand spreader must not be moved when the parking stand is extended and rests on the ground. While the machine is moving there is a risk that the support wheel may fold. Sand spreader may be attached exclusively to a tractor which meets the requirements for a minimum power demand, is equipped with suitable braking and hydraulic systems connection sockets, hydraulic oil in both machines is of the same type and the tractor's hitch is capable of withstanding vertical loads of loaded sand spreader drawbar.

  • Page 54: Spreading And Adjustment Of Spreading Material Density

    ATTENTION! Spreading agents must be prepared in accordance with the regulations concerning winter road maintenance in force in the country in which the sand spreader is used. Spreading agents other than those recommended by the Manufacturer must not be used. 4.5 SPREADING AND ADJUSTMENT OF SPREADING MATERIAL DENSITY Amount of spread material depends on the regulator setting and humidity of the material.
  • Page 55 (6) and increase the sand spreader travel speed to approximately 14 km/h. Measurements of spreading density were made by Pronar personnel during tests of the sand spreader and they are the basis for determining operating efficiency of the machine. Results...
  • Page 56 Check valve in the sand spreader's hydraulic system precludes movement of the conveyor belt towards the front wall of the load box. Spreading is recommended to be started during travel of the sand spreader. When the sand spreader is stopped (e.g. at the traffic lights) or after emptying the load box, the sand spreader's drive should be disengaged.
  • Page 57 FIG. 4.4A Spreading density, diagram 1 (A) front of sand spreader, (B) rotation direction of discs, (I), (II), (III) positions of blades 4.13...
  • Page 58 FIG. 4.5A Spreading density, diagram 2 (A) front of sand spreader, (B) rotation direction of discs, (I), (II), (III) positions of blades 4.14...
  • Page 59 FIG. 4.6A Spreading density, diagram 3 (A) front of sand spreader, (B) rotation direction of discs, (I), (II), (III) positions of blades 4.15...

  • Page 60: Driving On Public Roads

    4.6 DRIVING ON PUBLIC ROADS When driving on public roads, respect the road traffic regulations, exercise caution and prudence. If the spreading is done on pavements special attention should be paid to the bystanders likely to be near the working sand spreader. Listed below are the key guidelines for driving the tractor and trailer combination.

  • Page 61: Disconnecting From Tractor

    • Avoid ruts, depressions, ditches or driving on roadside slopes. Driving across such obstacles could cause the trailer or the tractor to suddenly tilt. This is of special importance because loaded sand spreader's centre of gravity is higher, which reduces safety.
  • Page 62 • Once the tractor is stopped, immobilise the sand spreader using parking brake by turning the brake mechanism crank in direction (A) – figure (4.2A). • Turn the support wheel from transport position, extend the support using the knob until the drawbar hitching eye does not rest on the lower elements of the tractor hitch.
  • Page 63 FIG. 4.8A Sockets for hydraulic conduit plugs (1) socket for hydraulic conduit plugs ATTENTION! Extended parking of loaded sand spreader, which is disconnected from the tractor and resting on the support with wheel, is forbidden. If the sand spreader is partially loaded, make certain that the load in the load box is evenly distributed.

  • Page 64: Proper Use And Maintenance Of Tyres

    wear or damage to the sand spreader. The best way is to keep the machine in a roofed building with air temperature above 0 4.8 PROPER USE AND MAINTENANCE OF TYRES • When working on the tyres, chocks or other objects without sharp edges should be placed under the wheels of the sand spreader to prevent it from rolling.

  • Page 65: Maintenance

    SECTION MAINTENANCE SETTING WORKING POSITION OF DRAWBAR CHECKING WHEEL AXLE BEARINGS ADJUSTMENT OF MAIN BRAKES ADJUSTMENT OF MAIN BRAKES PNEUMATIC SYSTEM OPERATION HYDRAULIC SYSTEM OPERATION ADJUSTMENT OF CONVEYOR BELT TENSION ADJUSTMENT OF SPREADING DISC BLADES STORAGE LUBRICATION TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS TROUBLESHOOTING LIST OF BULBS...

  • Page 66: Setting Working Position Of Drawbar

    5.1 SETTING WORKING POSITION OF DRAWBAR In new sand spreader, adjust the position of drawbar to the tractor hitch. Changing height of drawbar should be performed by two persons. In order to do this: • position the sand spreader on a flat surface, put chocks under the wheels, •...

  • Page 67: Checking Wheel Axle Bearings

    TAB. 5.1 INFORMATION ON INSTALLATION CONNECTION OF DRAWBAR TO THE FACEPLATE BOLT M24x170-8.8-B M24-8-B TIGHTENING TORQUE 470 Nm WEIGHT DRAWBAR approx. 25 kg The mounting height and position of the drawbar should be individually matched to tractor hitch. DANGER Changing height of drawbar should be performed by two persons. Take special care when removing the bolts because of the risk of crushing feet.
  • Page 68 • 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, adjust bearing. Unusual sounds coming from bearing may be symptoms of excess wear, dirt or damage.

  • Page 69: Adjustment Of Main Brakes

    The wheel should turn smoothly without stiffness or detectable resistance not originating from abrasion of brake shoes in brake drum. TAB. 5.2 HYDRAULIC LIFT REQUIREMENTS PARAMETER UNIT VALUE Lift capacity 2,000 Height of lift ram in retracted state Inspection and adjustment of bearings may only be conducted, when the sand spreader is hitched to a tractor and trailer load box is empty.
  • Page 70 Adjustment should be conducted separately for each wheel. After proper brake adjustment, ° at full braking the axle shaft expander arm should create an angle of 90 with pneumatic ram piston. Axle shaft expander arms must make the same movement and braking process must take place simultaneously on both wheels.

  • Page 71: Parking Brake Adjustment

    With properly adjusted brakes, sand spreader main brake braking force should reach a value not less than that given in table 5.3. The main brake system should be inspected annually and in case of need should be adjusted. Difference in braking force of left and right wheel may not be greater than 30%, considering that 100% constitutes greater force.
  • Page 72 Length of parking brake cable should be so selected that at total release of working and parking brake the cable would be loose and hanging by 1 - 2 cm. With properly adjusted brakes, trailer parking brake braking force should reach a value not less than that given in table (5.4).

  • Page 73: Pneumatic System Operation

    TAB. 5.4 PARKING BRAKE BRAKING FORCE PARAMETER UNIT VALUE Parking brake braking force ATTENTION! Parking brake braking force, is the braking force of all sand spreader wheels. 5.5 PNEUMATIC SYSTEM OPERATION As a part of sand spreader maintenance, conduct inspection of pneumatic system leaktightness, paying particular attention to all places of connection.
  • Page 74 FIG. 5.5A Air tank (1) air tank, (2) drain valve 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 sand spreader 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.
  • Page 75 The insert and the air filter body should be cleaned at least every 3 months of sand spreader use. FIG. 5.6A Air filter (1) securing slide lock, (2) air filter cover DANGER Before proceeding to dismantle filter, reduce pressure in supply conduit. While disengaging filter slide gate, hold cover with other hand.
  • Page 76 being petroleum derivatives, paints etc., causes rapid ageing of the material from which they are made. Connection should be inspected every time before connecting sand spreader to tractor. During connection make sure that tractor socket is not damaged and is maintained in the due cleanliness.

  • Page 77: Hydraulic System Operation

    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 the appropriate technology and qualifications for this type of work. 5.6 HYDRAULIC SYSTEM OPERATION Always adhere to the principle that the oil in the sand spreader hydraulic system and in the tractor hydraulic system are of the same type.
  • Page 78 ATTENTION! Sand spreader with a leaking hydraulic system must NOT be used. The condition of hydraulic systems should be inspected regularly while using the sand spreader. 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 Manufacturer.

  • Page 79: Adjustment Of Conveyor Belt Tension

    Work connected with the repair, change or regeneration of system elements (hydraulic motors, conduit connections, check valve, flow regulator, hydraulic conduits etc.) should be entrusted to specialist establishments, having the appropriate technology and qualifications for this type of work. 5.7 ADJUSTMENT OF CONVEYOR BELT TENSION Adjustment of conveyor belt tension should be performed if decrease in spreading mechanism efficiency is noticeable when flow regulator setting is unchanged.

  • Page 80: Adjustment Of Spreading Disc Blades

    Conveyor belt tightening should be performed only when the load box is empty. Adjustment is recommended to be carried out in the same conditions (the same ambient temperature). 5.8 ADJUSTMENT OF SPREADING DISC BLADES Setting of rake angle of the adapter disc blades and adjustment of flow regulator setting have influence on spread width.

  • Page 81: Storage

    Blades in the left disc and right disc do not have to be set symmetrically. Variable spread width is achieved in this way. For example, if blades in the right disc are set to position (C) and blades in the left disc to position (A), the spread width on the right side of the sand spreader will be larger.

  • Page 82: Lubrication

    ground is changed. The tyres will not be deformed and maintain proper geometry. Also tyre pressure should be inspected from time to time, and if necessary pressure should be increased to appropriate value. 5.10 LUBRICATION Sand spreader lubrication shall be performed where indicated on figure (5.10A) as stipulated in table (5.6).
  • Page 83 FIG. 5.10A Lubrication points on the sand spreader 5.19...

  • Page 84: Tightening Torque For Nut And Bolt

    TAB. 5.7 GEAR OIL SPECIFICATION ITEM NAME VALUE SAE viscosity classification 80W/90 Kinematic viscosity at 100 14.0 – 20.0 mm Viscosity index, min API quality class Sand spreader lubrication should be performed with the aid of a manually or foot operated grease gun, filled with generally available permanent grease.
  • Page 85 TAB. 5.8 TIGHTENING TORQUE FOR NUT AND BOLT CONNECTIONS 10.9 THREAD (d) [mm] [Nm] 1,050 1,150 1,650 1,050 1,450 2,100 ) – tightening torque, (d) thread diameter FIG. 5.11A Bolt with metric thread (1) bolt strength class, (d) thread diameter 5.21...

  • Page 86: Troubleshooting

    5.12 TROUBLESHOOTING TAB. 5.9 FAULTS AND MEANS OF REMEDYING THEM FAULT CAUSE REMEDY Brake system pneumatic Connect brake conduit. conduit not connected Damaged pneumatic Replace system connection conduits Tighten, replace washers or seal Problem with moving off Leaking connections Parking brake applied Release parking brake Check valve, check brake force Damage control valve or...

  • Page 87: List Of Bulbs

    FAULT CAUSE REMEDY Damaged flow regulator Check and possibly replace 5.13 LIST OF BULBS TAB. 5.10 LIST OF BULBS LAMP BULB License plate light LT - 120 C5W-SV8.5 indicator light: P21W Rear lamp assembly: brake light: P21W left W21L, right W21P parking light: R10W 5.23...
  • Page 88 5.24...
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