93108-00723
April 2019
OPERATION &
MAINTENANCE MANUAL
WHEEL LOADER
70Z7
Powered by CUMMINS QSB6.7 Engine
Serial No. 70C6-4001 and up
NOTICE
READ AND UNDERSTAND THIS
MANUAL BEFORE OPERATING
AND SAVE THIS MANUAL ON
THE MACHINE
70Z793108-00723
©2019 Hitachi Construction Machinery Co., Ltd.
All rights reserved.
FOREWORD
Read this manual carefully before starting and operating
the machine for the first time to learn how to operate
and service your machine correctly. Failure to do so could
result in personal injury or machine damage.
This standard specification machine can be operated
under the following conditions without being modified.
Atmospheric Temperature: -20 °C to 40 °C (-4 °F to 104 °F)
Altitude: 0 m to 2000 m (0 ft to 6600 ft)
In case the machine is used under conditions other than
described above, consult your nearest authorized dealer.
This manual should be considered a permanent part of
your machine and should remain with the machine when
you sell it. Replace immediately if missing, damaged or
not readable.
This machine is of metric design. Measurements in this
manual are metric. American standard measurements are
included when appropriate. Use only metric hardware
and tools as specified.
Right-hand and left-hand sides are determined by
facing in the direction of forward travel.
Write product identification numbers in the Machine
Numbers section. Accurately record all the numbers
to help in tracing the machine should it be stolen.
Your dealer also needs these numbers when you order
parts. If this manual is kept on the machine, also file the
identification numbers in a secure place off the machine.
Use only diesel fuel with quality specified in JIS K-2204,
EN-590 or ASTM D-975 which contents 15 ppm or lower
sulfur.
Also use fuel that complies with solid contamination level
of class 18/16/13 of ISO4406-1999 (solid contamination
includes dust). If the fuel specified above is not used,
exhaust gas that exceeds the regulation values may be
discharged, causing seriou