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GRAPPLE proG
20, 25, 25E, 25P, 26, 26E
OPERATION
SERVICE
SPARE PARTS
2018 09
(a translation from the original version)

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Summary of Contents for Kesla proG 20

  • Page 1 GRAPPLE proG 20, 25, 25E, 25P, 26, 26E OPERATION SERVICE SPARE PARTS 2018 09 (a translation from the original version)
  • Page 3: Table Of Contents

    GRAPPLES – USER MANUAL INDEX     GENERAL INSTRUCTIONS .......................... 2   1.1. ABOUT USER MANUAL ............................. 2           1.2. CONTACT DETAILS .............................. 3       1.2. WARNING INSTRUCTION DECALS  ........................ 3             IMPORTANT SAFETY INSTRUCTIONS  ........................ 5    ...
  • Page 4: General Instructions

    In unclear situations, please contact the seller of the machine. You can also give a feedback to Kesla by a questionary in the end of this manual or in www.kesla.com. 1. GENERAL INSTRUCTIONS 1.1.
  • Page 5: Contact Details

    GRAPPLES – USER MANUAL 1.2. CONTACT DETAILS www.kesla.com ORDERING OF SPARE PARTS spare.parts@kesla.com MAINTENANCE AND WARRANTY ISSUES after.sales@kesla.com SPARE PART AND MAINTENANCE SERVICES tel.+358 40 709 2208 1.2. WARNING AND INSTRUCTION DECALS Warning and instruction decals have been attached to the grapple to warn for possible risks caused by operation or to give instructions for use.
  • Page 6 (see terms of warranty). Mailing address for the delivery/assurance certificate: Kesla Oyj, Metsolantie 2, FIN-59800 Kesälahti, Finland. There is no storage place for the user manual in grapple so the user must store the manual in the cabin .The user manual must always be available to the user.
  • Page 7: Important Safety Instructions

    GRAPPLES – USER MANUAL 2. IMPORTANT SAFETY INSTRUCTIONS DE-PRESSURIZING GRAPPLE: After stopping the engine there may remain some pressure in hydraulic components of the grapple. This pressure may cause spraying of high-pressure oil. RISK OF SERIOUS INJURY! BEFORE MAINTENANCE DE-PRESSURIZE GRAPPLE These safety instructions do not cover all possible operating conditions, but are helpful in avoiding dangerous situations and...
  • Page 8 GRAPPLES – USER MANUAL In case of accident with phone or power lines, consider what to do. When you have to leave the machine, do not touch the machine and the ground at the same time. Exit outside the electrical field jumping both feet together. Always stop the engine of base machine and take care that no one connects power when servicing the grapple.
  • Page 9 GRAPPLES – USER MANUAL When operating or maintaining the machine, avoid skin contact with oil or grease. The oil and grease may contain additives which can be harmful when frequently contacted with the skin. Always follow the manufacturers’ and authorities’ instructions and regulations when handling these substances.
  • Page 10: Introduction Of The Machine

    GRAPPLES – USER MANUAL 3. INTRODUCTION OF THE MACHINE The KESLA grapples are designed to be installed on cranes specially equipped for forestry use. Before mounting make sure your grapple is suitable for the base machine size. The grapple is used for the handling of felled, delimbed and cut- to-length timber as the loading device of a timber loader.
  • Page 11: Installation Instructions

    Safety regulations may vary and they must be checked locally. KESLA recommends using a minimum of 12 mm thick hard- surfaced polycarbonate in the windows of grapple base machine. When working always remember the 25 m safety distance from...
  • Page 12: Installation Of The Hydraulics

    GRAPPLES – USER MANUAL 4.3. INSTALLATION OF THE HYDRAULICS Use hoses of proper diameter and pressure class. Take care of cleanliness in all hydraulic installations. Check hydraulic pressure. The pressure must not exceed the value given on the machine plate. When installing hoses, make sure that the hoses do not rub against each other or against other parts of the grapple’s structure.
  • Page 13: Operation Instructions

    GRAPPLES – USER MANUAL 5. OPERATION INSTRUCTIONS 5.1. SAFETY Familiarize yourself well with the operation and safety instructions before starting to operate the grapple and follow them during operation. Use of the grapple to handle persons, live animals, or hazardous substances is strictly forbidden.
  • Page 14: Maintenance

    Always state the individual machine identification number (serial no.) given in the machine identification plate when ordering spare parts. Use only original KESLA spare parts. 6.2.2. Cleaning Be careful when cleaning the grapple with pressure washer. Seals, bearings and electric cables can be damaged by high- pressure water.
  • Page 15: Regular Scheduled Maintenance

    GRAPPLES – USER MANUAL 6.3. REGULAR SCHEDULED MAINTENANCE The given maintenance intervals are valid only when the machine works at normal capacity in normal operation conditions. Shorten the maintenance intervals if the machine is used heavily or when working conditions are disadvantageous (very high or low temperature, sand, dust, mud, etc.).
  • Page 16: Daily Maintenance (Or After Every 20 Hours)

    GRAPPLES – USER MANUAL 6.3.2. Daily maintenance (or after every 20 hours) 20 h  Grease all grease nipples of the grapple  Check possible oil leaks, hoses, structures, tightness of screws and nuts as well as fastening of axles and pins. ...
  • Page 17: Hydraulic System - Function And Adjustments

    Check the pertinent ISO classification (ISO32 or ISO46) according to the conditions and instructions given by manufacturer of the base machine. Current bio-degradable oils are unsuitable for use in Kesla grapples. Continuous high temperature of the hydraulic oil prematurely ages the seals of the grapple.
  • Page 18: Biodegradable Hydraulic Oils

    3. Hydraulic oils based on vegetable oils (HETG) e.g. rapeseed oils *NOTE! The use of HETG oils is prohibited in Kesla products! * NOTE! Before using a biodegradable hydraulic oil, consult your oil dealer when choosing a suitable oil type and clarify its...
  • Page 19: Troubleshooting

    GRAPPLES – USER MANUAL 8. TROUBLESHOOTING 8.1. GENERAL When troubleshooting first find out if the fault is mechanical, electrical or hydraulic. 8.1.1. Mechanical faults Check that the function is not jammed. 8.1.2. Electric faults The most common electric faults are bad contact in connectors (loose connector, wire became loose from connector, moisture) broken wire (no contact or shortcut)
  • Page 20: Appendix 1: Declaration Of Incorporation For Partly Completed Machinery

    Riku Väyrynen Kuurnankatu 24, FI-80100 JOENSUU, FINLAND Herewith declares that for the Partly Completed Machinery Grapple head KESLA proG 20, 25, 25P, 26, 28, 30, 35, 40, 46, 50, 50L, 25E, 26E, 30E, 40E, 40E3, 50E, 50E6 Serial number:______________________ ...
  • Page 21: Appendix 2: Terms Of Warranty

    Kesla Oyj authorized service repairman working according to their standard working schedule. 3. Kesla Oyj reserves the right to approve and authorize any part or work claimed under warranty. 4. The warranty stipulates that crane installation registration records to be properly filled out and returned to Kesla Oyj within 30 days of installation.
  • Page 22 Kesla Oyj or if hydraulic system is adjusted exceeding allowed tolerances or reference values.
  • Page 23 GRAPPLES – USER MANUAL LIABILITY FOR DAMAGE Kesla Oyj is not responsible for damage caused by the machine if the use and safety instructions in the user manual have not been followed. The machine is not allowed to be used before you have thoroughly familiarised yourself with the user manual.
  • Page 24: Appendix 3: Certificate Of Delivery

    GRAPPLES – USER MANUAL APPENDIX 3: CERTIFICATE OF DELIVERY KESLA OYJ Stays with the seller FIN-59800 KESÄLAHTI Date (dd/mm/yy) / 20 Product Owner/keeper Serial no. Address Accessories ZIP code Domicile Telephone Seller...
  • Page 25 GRAPPLES – USER MANUAL CERTIFICATE DELIVERY OWNER/KEEPER ASSURANCE FAMILIARIZING HIMSELF WITH THE USER MANUAL KESLA OYJ To be returned to the manufacturer by mail or fax Metsolantie 2 FIN-59800 KESÄLAHTI fax: +358 13 6100 322 Date (dd/mm/yy) / 20 Product Owner/keeper Serial no.
  • Page 26: Appendix 4: Customer Feedback

                                              Yes  No     I would like to be contacted :              You can send the feedback by mail to the address:     Kesla Oyj / Customer feedback     Kuurnankatu 24     80100 Joensuu     or     FAX :   +35813 6100523     or     append it to an e‐mail and send it to the address : sales@kesla.com   You can provide feedback also with the contacting form available on our website www.kesla.fi     or submit the form to your nearest reseller. ...
  • Page 27 TEKNISET TIEDOT / TECHNICAL SPECIFICATIONS KESLA proG20 Ala kärjet vastakkain / Area: 0,18 m² Käyttöpaine / Operating pressure: 17,5 Puristusvoima / Jaw force: Aukeamisnopeus / Opening time (50l/min) Sulkeutumisnopeus / Closing time (50l/min) Max kuorma / Max load 1500 Paino / Weight...
  • Page 28 TEKNISET TIEDOT / TECHNICAL SPECIFICATIONS KESLA proG25 Ala kärjet vastakkain / Area: 0,24 m² Käyttöpaine / Operating pressure: Puristusvoima / Jaw force: Aukeamisnopeus / Opening time (50l/min) Sulkeutumisnopeus / Closing time (50l/min) Max kuorma / Max load 2000 Paino / Weight...
  • Page 29 TEKNISET TIEDOT / TECHNICAL SPECIFICATIONS KESLA proG25E Ala kärjet vastakkain / Area: 0,15 m² Käyttöpaine / Operating pressure: Puristusvoima / Jaw force: Aukeamisnopeus / Opening time (50l/min) Sulkeutumisnopeus / Closing time (50l/min) Max kuorma / Max load 2000 Paino / Weight...
  • Page 30 TEKNISET TIEDOT / TECHNICAL SPECIFICATIONS KESLA proG25P Ala kärjet vastakkain / Area: 0,20 m² Käyttöpaine / Operating pressure: Puristusvoima / Jaw force: Aukeamisnopeus / Opening time (50l/min) Sulkeutumisnopeus / Closing time (50l/min) Max kuorma / Max load 2000 Paino / Weight...
  • Page 31 TEKNISET TIEDOT / TECHNICAL SPECIFICATIONS KESLA proG26 Ala kärjet vastakkain / Area: 0,24 m² Käyttöpaine / Operating pressure: Puristusvoima / Jaw force: Aukeamisnopeus / Opening time (50l/min) Sulkeutumisnopeus / Closing time (50l/min) Max kuorma / Max load 2000 Paino / Weight...
  • Page 32 TEKNISET TIEDOT / TECHNICAL SPECIFICATIONS KESLA proG26E Ala kärjet vastakkain / Area: 0,15 m² Käyttöpaine / Operating pressure: Puristusvoima / Jaw force: Aukeamisnopeus / Opening time (50l/min) Sulkeutumisnopeus / Closing time (50l/min) Max kuorma / Max load 2000 Paino / Weight...

This manual is also suitable for:

Prog 25Prog 25eProg 25pProg 26Prog 26e

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