Komatsu WA250-6 Operation & Maintenance Manual
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Komatsu WA250-6 Operation & Maintenance Manual

Wheel loader
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Operation & Maintenance
Manual
WA250-
WHEEL LOADER
SERIAL NUMBERS
ENGINE
This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in
accordance with written authorization from Komatsu America Corp.
It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to make
changes or improvements at any time without incurring any obligation to install such changes on products sold
previously.
Due to this continuous program of research and development, revisions may be made to this publication. It is
recommended that customers contact their distributor for information on the latest revision.
March 2016
WA250-6 A76001
6D107E-1
CEAM000503
6
and up
Copyright 2016 Komatsu
Printed in U.S.A.
Komatsu America Corp.

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  • Page 1 6D107E-1 ENGINE This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in accordance with written authorization from Komatsu America Corp. It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to make changes or improvements at any time without incurring any obligation to install such changes on products sold previously.
  • Page 2 Find manuals at https://best-manuals.com...
  • Page 3 Find manuals at https://best-manuals.com...
  • Page 4 0INTRODUCTION WA250-6 Find manuals at https://best-manuals.com...

  • Page 5: Foreword

    • Komatsu delivers machines that comply with all applicable regulations and standards of the country to which they are shipped. If this machine has been purchased in another country, or purchased from someone in another country, it may lack certain safety features and specifications that are necessary for use in your country.

  • Page 6: Safety Information

    Safety precautions are described in the SAFETY section (Section 1). KOMATSU AMERICA CORP. cannot predict every circumstance that might involve a potential hazard in operation and maintenance. Therefore the safety messages in this manual and on the machine may not include all possible safety precautions.

  • Page 7: Approved And Non-Approved Uses

    It is impossible to predict all the possible improper uses. If the machine is used for any particular application other than those listed in the Approved Functions list, it is important to contact your authorized Komatsu dealer before carrying out the work operations.

  • Page 8: Visibility Standard

    The hatched areas (B) show the areas where the view is blocked when mirrors or other aids to visibility are installed as standard. Be careful; there are places around the machine that cannot be seen when operating the machine. WA250-6 Find manuals at https://best-manuals.com...

  • Page 9: Product Identification

    PRODUCT IDENTIFICATION Machine Bucket Turn signal lamp Bellcrank Head lamp Front wheel 10. Lift cylinder Bucket cylinder 11. Lift arm Front working lamp 12. Rear working lamp ROPS cab 13. Rear combination lamp Rear wheel WA250-6 Find manuals at https://best-manuals.com...

  • Page 10: Service Meter Location

    In this manual, the direction of the machine is determined according to the view from the operator’s seat, in the direction of travel (front) of the machine. A. Front B. Rear C. Left D. Right E. Bucket WA250-6 Find manuals at https://best-manuals.com...

  • Page 11: Machine Serial Number/Product Identification Number (Pin)

    The machine serial number is stamped on the center right of the front frame. Engine Serial Number, EPA Regulations This is on a plate at the side face of the engine, on the right side of the machine. ★ EPA: Environmental Protection Agency, USA WA250-6...

  • Page 12: Serial Numbers And Dealer Information

    INTRODUCTION SERIAL NUMBERS AND DEALER INFORMATION Model: WA250-6 Machine # Engine # Dealer: Address: Phone # Contacts: NOTES: WA250-6...
  • Page 13 INTRODUCTION MEMORANDUM 0-10 WA250-6...

  • Page 14: Table Of Contents

    Model: WA250-6 ........
  • Page 15 Precautions for High-Pressure Oil ..........1-43 0-12 WA250-6...
  • Page 16 Water Separator Caution Lamp ..........2-21 WA250-6...
  • Page 17 Machine Monitor Mode Selector Switch 2 ........2-51 0-14 WA250-6...
  • Page 18 Check Before Starting Engine ........... . 2-77 WA250-6...
  • Page 19 Approaching Dump Truck ........... 2-120 0-16 WA250-6...
  • Page 20 Before Storage ............. . . 2-156 WA250-6...
  • Page 21 Komatsu Genuine Replacement Parts ........
  • Page 22 Biodiesel Usage ............. . . 3-14 Biodiesel Recommendation for Komatsu Engines ....... . . 3-14 Biodiesel Terminology .
  • Page 23 Check Function of PPC Accumulator ......... . . 3-86 0-20 WA250-6...
  • Page 24 Installing Attachment ............5-14 WA250-6...
  • Page 25 INTRODUCTION 0-22 WA250-6...
  • Page 26 1SAFETY Read and follow all safety precautions. Failure to do so may result in serious injury or death. This safety section also contains precautions for optional equipment and attachments. WA250-6...
  • Page 27 • Your Komatsu Dealer can provide new replacement decals if the ones on the machine are damaged or missing. • For part numbers of the safety decals, see this manual or check the actual decal then order the new decals from your Komatsu distributor.
  • Page 28 Follow instructions and warning in manual and in labels on machine. Keep manual in machine cab near operator. Contact Komatsu distributor for a replacement manual. Caution for lock lever (09654-03001). To avoid hitting unlocked operation levers, lower work equipment to ground and move SAFETY LOCK LEVER (located near seat) to LOCK position before standing up from operator’s seat.
  • Page 29 If safety bar is unlocked, machine can jackknife unexpectedly when it is being transported or hoisted. Jackknifing can cause serious injury or death to bystanders. • Always lock safety bar when machine is being transported or hoisted. • If necessary, lock safety bar during servicing or maintenance. WA250-6...
  • Page 30 Improper use of booster cables and battery cables can cause an explosion resulting in serious injury or death. Follow instructions in manual when using booster cables and battery cables. 10. Caution to prevent explosion (09659-53000). Explosion hazard • Keep away from flame. • Do not weld or drill. WA250-6...
  • Page 31 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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A76001

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