PRONAR LC5 Operator's Manual
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PRONAR LC5 Operator's Manual

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TRANSLATION OF THE ORIGINAL COPY OF THE MANUAL
EDITION 1A-06-2010
PRONAR Sp. z o.o.
17-210 NAREW, UL. MICKIEWICZA 101A, PODLASKIE PROVINCE
phone:
fax:
OPERATOR`S MANUAL
FRONT LOADER
PRONAR LC5
+48 085 681 63 29
+48 085 681 63 81
+48 085 681 63 83
PUBLICATION NO. 196N-00000000-UM
+48 085 681 64 29
+48 085 681 63 82
+48 085 682 71 10
www.pronar.pl

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Summary of Contents for PRONAR LC5

  • Page 1 PRONAR Sp. z o.o. 17-210 NAREW, UL. MICKIEWICZA 101A, PODLASKIE PROVINCE phone: +48 085 681 63 29 +48 085 681 64 29 +48 085 681 63 81 +48 085 681 63 82 fax: +48 085 681 63 83 +48 085 682 71 10 www.pronar.pl...
  • Page 3 FRONT END LOADER PRONAR LC5 MACHINE IDENTIFICATION TYPE: SERIAL NUMBER:...
  • Page 4 The User Manual describes the basic principles of safe use and operation of the LC5 front end loader. If the information contained in the operating instructions does not turn out to be comprehensible, please contact the sales office where the machine was purchased or to the Manufacturer.
  • Page 5 SYMBOLS USED IN THE USER MANUAL Information, descriptions of hazards and precautions as well as instructions and orders related to safe use in the manual are marked with: and preceded by the word „DANGER”. Failure to comply with these recommendations may endanger the health or life of persons operating the machine or unauthorized bystanders.

  • Page 7: Table Of Contents

    TABLE OF CONTENTS GENERAL 1.1 IDENTIFICATION 1.2 INTENDED USE 1.3 EQUIPMENT 1.4 TERMS OF WARRANTY 1.5 TRANSPORT 1.6 THREAT TO THE ENVIRONMENT 1.11 1.7 WITHDRAWAL FROM USE 1.11 SAFETY OF USE 2.1 GENERAL TERMS OF SAFETY 2.1.1 THE MACHINE USE 2.1.2 COUPLING AND UNCOUPLING OF EQUIPMENT 2.1.3...
  • Page 8 4.1.1 INSTALLATION OF THE SUPPORT FRAME 4.1.2 INSTALLATION OF THE HYDRAULIC SYSTEM 4.1.3 ADDITIONAL MODIFICATIONS 4.1.4 INSTALLATION OF THE LOADER CONTROL LEVERS 4.2 PREPARATION TO WORK 4.10 4.3 TECHNICAL INSPECTION 4.12 4.4 WORKING WITH A LOADER 4.13 4.4.1 CONNECTING THE BOOM TO THE SUPPORTING FRAME 4.18 4.4.2 REPLACEMENT OF WORK TOOLS...

  • Page 9: General

    CHAPTER GENERAL...

  • Page 10: Identification

    PRONAR LC5 CHAPTER 1 1.1 IDENTIFICATION FIGURE 1.1. Location of the nameplate Meaning of the individual nameplate fields (FIGURE 1.1) A - machine name B - type C - serial number D - year of machine production E - the machine's karb weight[kg]...

  • Page 11: Intended Use

    The PRONAR LC5 loader, depending on the carrying frame, can work with farm tractors in the power range from 100 HP to 180 HP.

  • Page 12: Equipment

    PRONAR LC5 CHAPTER 1 • have the required authorization to drive the machine and are familiar with the traffic rules. CAUTION the loader must not be used contrary to its intended use, in particular: • transport people and animals, • use the machine for transporting and reloading materials other than those provided for in the manual.
  • Page 13 CHAPTER 1 PRONAR LC5 TABLE 1.2. ADDITIONAL EQUIPMENT FOR LC5 LOADER THE NAME OF THE EQUIPMENT MODEL Bucket for loose materials: - capacity 0.32 m ; working width 1,500 mm CM15E - capacity 0.6 m ; working width 1,540 mm 35C15E - capacity 0.7 m...
  • Page 14 PRONAR LC5 CHAPTER 1 TABLE 1.2 continued ADDITIONAL EQUIPMENT FOR LC5 LOADER - THE NAME OF THE EQUIPMENT MODEL Manure grab: - width 1 920 mm; two hydraulic cylinders 35CO2 - width 1 420 mm; two hydraulic cylinders 35CO3 - width 1 420 mm; one hydraulic cylinder 35CO5 - width 1 230 mm;...

  • Page 15: Terms Of Warranty

    PRONAR LC5 1.4 TERMS OF WARRANTY PRONAR Sp. z o.o. in Narew guarantees smooth operation of the machine when it is used in accordance with the technical and operational conditions described in the USER MANUAL. Defects revealed during the warranty period will be removed by the Warranty Service.

  • Page 16: Transport

    PRONAR LC5 CHAPTER 1 1.5 TRANSPORT The front end loader can be delivered to the user by any means of transport, while maintaining safety conditions during transport. When loading and unloading, comply with the general principles of workplace health and safety for reloading work.
  • Page 17 CHAPTER 1 PRONAR LC5 During unloading and loading onto the means of transport, the boom resting supports should be folded. When transporting by vehicle, the loader should be securely fastened to the loading platform using certified belts or chains equipped with a tensioning mechanism. The boom must be secured in a horizontal position.
  • Page 18 PRONAR LC5 CHAPTER 1 FIGURE 1.3. Location of the centre of gravity 1.10...

  • Page 19: Threat To The Environment

    CHAPTER 1 PRONAR LC5 1.6 THREAT TO THE ENVIRONMENT A hydraulic oil leak is a direct threat to the natural environment because of its limited biodegradability. Maintenance and repair works, which involve the risk of an oil leak, should be performed in rooms with an oil-resistant surface. In the event of oil leaking into the environment, first of all contain the source of the leak, and then collect the leaked oil using available means.
  • Page 20 PRONAR LC5 CHAPTER 1 1.12...

  • Page 21: Safety Of Use

    CHAPTER SAFETY OF USE...

  • Page 22: General Terms Of Safety

    PRONAR LC5 CHAPTER 2 2.1 GENERAL TERMS OF SAFETY 2.1.1 THE MACHINE USE • Before using the user should carefully read the content of this document and the WARRANTY CARD. During their operation, all recommendations contained therein must be observed.

  • Page 23: The Hydraulic System

    CHAPTER 2 PRONAR LC5 • When coupling, there must be nobody between the equipment and the loader. A person who helps to aggregate the machine should stand in such a place (outside the danger zone) that it is visible all the time by the loader operator.

  • Page 24: Transport Passage

    PRONAR LC5 CHAPTER 2 • It is forbidden to store oil in packaging intended for food storage. • Rubber hydraulic conduits must be replaced every 4 years regardless of their technical condition. • It is forbidden to modify the pressure in the hydraulic system under pain of losing the warranty rights for the loader and tractor.
  • Page 25 CHAPTER 2 PRONAR LC5 • Any modification of the machine releases PRONAR from any liability for damage or injury. • Before starting any work on the machine, turn off the tractor's engine. • Regularly check the technical condition of safety devices and correct tightening of screw connections.

  • Page 26: Working With A Loader

    PRONAR LC5 CHAPTER 2 • It is forbidden to support the machine with fragile elements (bricks, hollow bricks, concrete blocks). • After completing work associated with lubrication, remove excess grease or oil. • The machine should be kept clean in order to reduce the risk of fire.

  • Page 27: Description Of Residual Risk

    2.2 DESCRIPTION OF RESIDUAL RISK Pronar Sp. z o. o. o. in Narew made every effort to eliminate the risk of an accident. However, there is some residual risk that can lead to an accident and is primarily associated with the following activities: •...

  • Page 28: Information And Warning Stickers

    PRONAR LC5 CHAPTER 2 • cleaning, maintenance and technical inspection with connected and running tractor, Residual risk can be reduced to a minimum by following these recommendations: • prudent and leisurely machine operation, • sensible application of the remarks and recommendations contained in the operating instructions, •...
  • Page 29 CHAPTER 2 PRONAR LC5 TABLE 2.1. INFORMATION AND WARNING Stickers ITEM SYMBOL DESCRIPTION Before starting work, read the User's Manual. Keep a safe distance from the raised boom or equipment. Danger of crushing. Keep a safe distance from overhead power lines.
  • Page 30 PRONAR LC5 CHAPTER 2 ITEM SYMBOL DESCRIPTION Description of how to connect and disconnect the boom "Danger. Hydraulic accumulator. Nitrogen at a pressure of 90 bar. Before the technical inspection, release the system from the pressure prevailing in it "...
  • Page 31 CHAPTER 2 PRONAR LC5 FIGURE 2.1. Arrangement of information and warning stickers The description of the meaning of the symbols (TABLE 2.1) 2.11...
  • Page 32 PRONAR LC5 CHAPTER 2 2.12...
  • Page 33 CHAPTER CONSTRUCTION AND PRINCIPLE OF OPERATION...

  • Page 34: Technical Characteristics

    The weight of the counterweight, 1,000 kg filled with ballast Other information 1-person service Tractor power range 100 -180 HP The noise level emitted by the LC5 front end loader does not exceed 70 dB (A) *- Other according to the manufacturer's offer...

  • Page 35: General Construction

    CHAPTER 3 PRONAR LC5 FIGURE 3.1. The working range of the loader The dimensions are indicative and depend on the tractor model. 3.2 GENERAL CONSTRUCTION The main element of the front loader is the boom. The boom is mounted on the tractor frame through a special support frame.
  • Page 36 CHAPTER 3 FIGURE 3.2. General structure of the PRONAR LC5 front end loader (1) - boom; (2) - supporting frame; (3) - control lever; (4) - hydraulic system; (5) - quick- mounting frame; (6) - the lever of the quick-release mechanism; (7) - quick coupler lock;...

  • Page 37: The Hydraulic System

    PRONAR LC5 3.3 THE HYDRAULIC SYSTEM FIGURE 3.3. Construction of LC5 electrical installation (1) - hydraulic distributor; (2) - lifting hydraulic cylinders; (3) - tilt hydraulic cylinders; (4) - hydroaccumulator; (5) - accumulator valve; (6) - an accessory hydraulic system solenoid...
  • Page 38 PRONAR LC5 CHAPTER 3 FIGURE 3.4. Schematic diagram of the hydraulic system of the LC5 loader (1) - divider; (2) - lifting hydraulic cylinders; (3) - tilt hydraulic cylinders; (4) - hydroaccumulator; (5) - accumulator valve; (6) - solenoid valve for the hydraulic system...
  • Page 39 CHAPTER 3 PRONAR LC5 of the accessories (option); (7) - quick couplers for powering the loader attachments (option); (8) - cross overflow valve FIGURE 3.5. Schematic diagram of the electric installation of the loader (1) - cigarette lighter plug; (2) - "joystick" control lever switch; (3) – connector 3 pin;...
  • Page 40 PRONAR LC5 CHAPTER 3...

  • Page 41: Rules Of Use

    CHAPTER RULES OF USE...

  • Page 42: Installation Of The Loader On The Tractor

    FIGURE 4.1. Installation of the support frame (PRONAR 6170) (1) - right bracket; (2) - left bracket; (3) - lacing; (4) - the substring bracket; (5) - substring; (6) - short beam; (7) - turnbuckle; (8) - M36x3 nut; (9) - screw M20x60-10.9; (10) - screw...
  • Page 43 CHAPTER 4 PRONAR LC5 M20x100-10.9; (11) - screw M16x130-10.9; (12) - screw M20x120-10.9; (13) - M20 self- locking nut; (14) - 20-200HV washer; (15) - 16-200HV washer; Fasten the front and rear part of the supports (1) and (2) (FIGURE 4.1) using screws (9) with washers (14).

  • Page 44: Installation Of The Hydraulic System

    PRONAR LC5 CHAPTER 4 TABLE 4.1. Recommended bolt tightening torques Thread diameter 10.9 [mm] Tightening torque [Nm] 1050 1150 1650 4.1.2 INSTALLATION OF THE HYDRAULIC SYSTEM The installation of hydraulic system components should be performed by appropriately qualified persons. FIGURE 4.3.
  • Page 45 CHAPTER 4 PRONAR LC5 Attach the hydraulic distributor to the bracket (1), then screw the whole thing in a suitable place on the right side to the loader support frame, together with the electric socket bracket (FIGURE 4.3). FIGURE 4.4.
  • Page 46 PRONAR LC5 CHAPTER 4 (12) - 19.3x2.4 sealing ring; (13) - red plug TF12; (14) - green plug TF12; (15) - black TF12 plug; (16) - blue TF12 plug; FIGURE 4.5. Connecting the distributor to the tractor's hydraulic system (A) - oil supply from tractor rear quick couplers; (B) - oil return to the tractor installation;...

  • Page 47: Additional Modifications

    (1) - swinging clamp (cat.no. 210N-05000001); (2) - external hydraulics control lever In PRONAR 6170 tractors, in which the lever for controlling the external hydraulic system of the tractor does not have a latch in the "on" position, use the swinging clamp (1), which is placed on the appropriate control lever.
  • Page 48 CHAPTER 4 FIGURE 4.7. Installation of the control lever in the tractor cabin (PRONAR 6170) (1) - loader control lever; (2) - lever bracket; (3) - M8x70-8.8 screw; (4) - self-locking nut; (5) - M8 screw head cover; (6) - 8-100HV washer;...
  • Page 49 CHAPTER 4 PRONAR LC5 FIGURE 4.9. Electrical connection (1) - electric harness with a plug; (2) - 3-pole electrical socket (3) - M5x20 screw; (4) - M5 nut; (5) - washer 5.5; (A) - 10A melting fuse; Connect the electric harness (1) connected to the control lever to the electric socket (2) and attach it to the bracket on the hydraulic distributor.

  • Page 50: Preparation To Work

    PRONAR LC5 CHAPTER 4 4.2 PREPARATION TO WORK DANGER Before using the machine the user should carefully read the content of this document. The machine must not be used by persons who are not authorized to drive agricultural tractors, including children and people under the influence of alcohol or other drugs.
  • Page 51 CHAPTER 4 PRONAR LC5 • check the technical condition of the hydraulic system and controls; • check the technical condition of the hydraulic system and control elements; • check the condition of the paint coating DANGER Before starting the tractor with the loader, make sure that the control lever is not in the "on"...

  • Page 52: Technical Inspection

    PRONAR LC5 CHAPTER 4 4.3 TECHNICAL INSPECTION When preparing the machine for use, check individual elements in accordance with the guidelines presented in table 4.2 TABLE 4.2. TECHNICAL INSPECTION SCHEDULE REVIEW DESCRIPTION SERVICE ACTIVITIES PERIOD Technical condition of the locks...

  • Page 53: Working With A Loader

    CHAPTER 4 PRONAR LC5 4.4 WORKING WITH A LOADER DANGER Do not control the loader from a position other than the position of the operator in the tractor cabin. CAUTION Do not lower the boom with the tractor engine turned off.
  • Page 54 PRONAR LC5 CHAPTER 4 FIGURE 4.11. Loader control diagram FIGURE 4.12. Control lever lock (A) - locked lever; (B) - unlocked lever Locking the control lever (FIGURE 4.12) in neutral (middle) position prevents the loader from being controlled, thus securing the hydraulic system against accidental activation. To unlock the control lever, shift the lock to the extreme left position (looking from the operator's position), to lock it, move the lock to the right.
  • Page 55 CHAPTER 4 PRONAR LC5 Front loader work consists in performing specific activities (cycles): • access to the loading site, proper setting of the accessories (working tool); • filling and lifting of the working tool; • reaching the place of unloading (e.g. means of transport) and unloading of the material;...
  • Page 56 PRONAR LC5 CHAPTER 4 • forks and grabs - when the lower mark coincides with the ring, • bucket for loose materials (the so-called bucket) - when the upper mark coincides with the ring FIGURE 4.13. The equipment level indicator A - tool level setting for forks and grabs;...
  • Page 57 CHAPTER 4 PRONAR LC5 FIGURE 4.14. Activation of hydraulic shock absorption (1) - hydraulic shock absorber; (2) - hydraulic damper valve; (0) - valve in closed position; (I) - valve in open position FIGURE 4.15. Working with a hydraulic shock absorber (A) - work without a shock absorber;...

  • Page 58: Connecting The Boom To The Supporting Frame

    PRONAR LC5 CHAPTER 4 4.4.1 CONNECTING THE BOOM TO THE SUPPORTING FRAME In order to connect the loader boom with the carrying frame mounted on the tractor: • drive the tractor to the boom set on the supports in the rest position, •...
  • Page 59 CHAPTER 4 PRONAR LC5 DANGER When attaching the loader to the tractor, you must not stay between the boom and the tractor. A person who helps to aggregate the loader with a tractor should stand in such a place (outside the danger zone) that it is visible all the time by the tractor operator.
  • Page 60 PRONAR LC5 CHAPTER 4 CAUTION It is forbidden to use the front loader without a counterweight suspended on the rear three-point linkage of the tractor. FIGURE 4.18. Counterweight (optional) (A) - tractor lower links; (B) - central connector; (1) - counterweight; (2) - cover; (3) - nut;...

  • Page 61: Replacement Of Work Tools

    CHAPTER 4 PRONAR LC5 4.4.2 REPLACEMENT OF WORK TOOLS • Turn the lever counterclockwise. • Pull the lever towards you until the securing pin is beyond the frame opening. • Rotate the lever down so that the pin securely locks the lever preventing it from returning.
  • Page 62 PRONAR LC5 CHAPTER 4 In order to mount the equipment on the front loader boom: • unlock the quick-release mechanism in the loader frame (B, FIGURE 4.19) • rotate the frame forward and lower the boom so that the mounting points on the quick mounting frame are below the mounting points in the attachment (A, FIGURE 4.20)
  • Page 63 CHAPTER 4 PRONAR LC5 FIGURE 4.21. Connecting of the hydraulic system of the implement DANGER When connecting the hydraulic conduits, make sure that the hydraulic system is not under pressure. CAUTION During operation, the hydraulic conduits of the accessories should be routed in such a way that they do not become entangled with the moving parts of the loader during operation.

  • Page 64: Disconnecting Of The Boom From The Load-Bearing Frame

    PRONAR LC5 CHAPTER 4 In order to dismantle the equipment from the loader: • unlock the accessory's quick-attach mechanism; • when connecting the accessories to the hydraulic systems (e.g. manure grab, etc.), turn off the engine, lower the equipment until it rests on the ground and...
  • Page 65 CHAPTER 4 PRONAR LC5 FIGURE 4.22. Parking stand (1) - foot lock; (2) - parking stands; (3) - pawls; Disconnecting of the boom • Remove the securing cotter (2),(FIGURE 4.23); • Tilt the lever (1) of the lock and set it to the rear in position (B) "unlocked lever";...
  • Page 66 PRONAR LC5 CHAPTER 4 FIGURE 4.23. Disconnecting of the boom from the supporting frame (A) - locked lever ; (B) - unlocked lever; (1) - quick hitch lock lever; (2) - securing pin; DANGER It is forbidden to disconnect the boom from the carrying frame without the working tool installed.

  • Page 67: Installation Of Additional Equipment

    PRONAR LC5 4.5 INSTALLATION OF ADDITIONAL EQUIPMENT FIGURE 4.24. Bumpers – option (PRONAR 6170) Optionally, the loader can be equipped with front bumpers (depending on the tractor model) to protect the front part of the tractor bonnet, especially useful when loading trailers. The bumpers are attached with the bolts on the right and left side of the front axle bracket (FIGURE 4.24)

  • Page 68: Transport Passage

    PRONAR LC5 CHAPTER 4 4.6 TRANSPORT PASSAGE • The maximum transport speed of 15 km/h (i.e. unladen speed) should not be exceeded. Adjust speed driving to road conditions. • During transport runs, the loader boom should be set so that it does not obstruct the visibility from the operator's position.

  • Page 69: Technical Support

    CHAPTER TECHNICAL SUPPORT...

  • Page 70: Service Interlocks

    PRONAR LC5 CHAPTER 5 5.1 SERVICE INTERLOCKS The service interlocks (FIGURE 5.1) are used to lock the boom in the raised position. Service interlocks should be used during the service, maintenance or repair of the loader. Service interlocks can only be used if the loader boom is suspended on the carrying frame.

  • Page 71: Quick Coupler Locks Adjustment

    CHAPTER 5 PRONAR LC5 DANGER It is forbidden to perform service and repair work under a loaded or raised and unsecured boom. 5.2 QUICK COUPLER LOCKS ADJUSTMENT DANGER Before starting work with the loader, the locks of the quick couplers should be checked and, if necessary, adjusted.

  • Page 72: Hydraulic System Operation

    PRONAR LC5 CHAPTER 5 Unscrew the screw (3) until the disk springs (4) visible from the top of the hook (5) between the plates (6) are completely tightened. Check whether it is possible, after unlocking the lever (1), to lock it again. If not, screw in the screw (3) by ½ turn. Repeat the blocking attempt. If it is possible to lock the lever (1) and the springs are tightened, disconnect the boom from the supporting structure and tighten the lock nut (2) against the wedge (7).
  • Page 73 CHAPTER 5 PRONAR LC5 clothing should be removed to prevent oil from getting on your skin. If the oil gets into your eyes, flush them with plenty of water and in case of irritation contact your doctor. Hydraulic oil under normal conditions is not harmful to the respiratory tract. The hazard only occurs when the oil is strongly atomized (oil mist), or in the event of a fire during which toxic compounds may be released.

  • Page 74: Lubrication

    PRONAR LC5 CHAPTER 5 The hydraulic system is vented automatically while the machine is in operation. CAUTION If it is necessary to replace individual parts, use only original parts or those indicated by the Manufacturer. Non-adherence to these requirements may put the user and other people's health and life at risk, and also damage the equipment.
  • Page 75 CHAPTER 5 PRONAR LC5 When using the machine, the user is obliged to follow the lubrication instructions in accordance with the prescribed schedule. The excess of lubricant will cause the deposition of additional contaminants on the places requiring lubrication, therefore it is necessary to keep the individual machine elements clean.
  • Page 76 PRONAR LC5 CHAPTER 5 DANGER Lubrication may only be performed when the loader is lowered and the attachment is resting on the ground. Before lubricating, turn off the engine, remove the key from the ignition switch and engage the tractor parking brake.

  • Page 77: Storage

    CHAPTER 5 PRONAR LC5 5.5 STORAGE After finishing work, the loader should be carefully cleaned and washed with a stream of water. During washing, do not direct a strong stream at information and warning decals, hydraulic cylinders, and electrical equipment.

  • Page 78: Faults And How To Remove Them

    PRONAR LC5 CHAPTER 5 5.6 FAULTS AND HOW TO REMOVE THEM Fault Cause Removal method − The oil pump in the tractor is turned − Turn on the pump in the tractor Boom does not raise − External hydraulics control lever not −...
  • Page 79 NOTES ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………………………..

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