INTRODUCTION
0-2 WB140-2N, WB150-2N
FOREWORD
This manual describes procedures for operation, handling, lubrication, maintenance, checking, and adjustment. It will help the
operator and maintenance personnel achieve peak performance through effective, economical and safe machine operation and-
maintenance.
Keep this manual handy and have all personnel read it periodically. If this manual is lost, damaged or becomes dirty and can-
not be read, request a replacement manual from your local distributor.
If you sell the machine, be sure to give this manual to the new owner.
Continuing improvements in the design of this machine can lead to changes, which may not be reflected in this manual. Con-
sult your local KOMATSU distributor or for the latest available information on your machine or for questions regarding infor-
mation in this manual.
This manual may contain attachments and optional equipment that are not available in your area. Consult your local
KOMATSU Distributor or for those items that you may require.
Improper operation and maintenance of this machine can be hazardous and could result in serious injury
or death.
• Operators and maintenance personnel must read this manual thoroughly before operating or maintaining this
machine.
• This manual should be kept near or with the machine for reference and periodically reviewed by all personnel who
operate it.
• Some actions involved in operation and maintenance can cause a serious accident, if they are not performed in the
manner described in this manual.
• The procedures and precautions given in this manual apply only to the intended uses of this machine. If you use
your machine for any unintended uses that are not specifically prohibited, you must be sure that it is safe for you
and others. In no event should you or others engage in prohibited uses or actions as described in this manual.
• KOMATSU delivers machines that comply with all applicable regulations and standards of the country to which it
has been 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. If there is
any question about whether your product complies with the applicable standards and regulations of your country,
consult your local distributor or KOMATSU before operating the machine.
• The safety description is given in SAFETY INFORMATION and in the SAFETY section 1.