INTRODUCTION
0-4 WB140-2N, WB150-2N
APPROVED AND NON-APPROVED USES
The Komatsu BACKHOE LOADERS described in this manual have been designed and constructed to be used mainly for the
following functions, any non-approved used may void the warranty, damage the machine or possibly injure the operator.
APPROVED
• LOADING, SCRAPING OR GRADING OPERATIONS.
• EXCAVATING.
Installation of optional equipment can also be used in the following applications, use only KOMATSU approved equipment.
• HANDLING OF MATERIALS (4 IN 1 BUCKET - PALLET FORKS).
• SNOWPLOWING (ANGLE DOZER BLADE - SNOWPLOW).
• DEMOLITION (HAND HAMER - HAMMER ON BACKHOE UNIT).
• DITCH CLEANING AND DIGGING (SPECIAL BUCKETS).
NON-APPROVED
This paragraph describes some of the improper or unauthorized uses of the machine; since it is impossible to predict all the
possible improper uses, if the machine happens to be used for any particular application other than those approved above, it is
important to contact your Authorized Komatsu Dealer before carrying out the work operations.
• USE OF MACHINE FOR LIFTING OR TRANSPORTING PERSONNEL IN ANY MANNOR.
• TRANSPORTATION OF FLAMMABLE LIQUIDS.
• LIFTING, MOVING OR TRANSPORTING OTHER MACHINES WITH THE FRONT END LOADER OR BACKHOE
UNIT.
• TOWING OTHER EQUIPMENT WITH THE TRACTOR UNIT OR WORK EQUIPMENT.
• USING THE BACKHOE UNIT TO MOVE OR REPOSITION THE MACHINE.
• USING THE BACKHOE OR LOADER AS A HAMMER OR FOR STRIKING OR DRIVING OBJECTS.
• TOWING THE MACHINE AT HIGH SPEEDS
• TRAVELING AT HIGH SPEEDS.