SECTION I
INTRODUCTION
SCOPE
Additional copies of Catalog 240 are available, in reason-
able quantities, to owners of Harnischfeger excavators and
This manual provides maintenance personnel with infor-
cranes at no cost. Submit such requests to the Harnisch-
mation and instructions for servicing and repairing this ma-
feger Technical Publications Department.
chine. In order to become familiar with the various parts of
the machine, it is urged that maintenance personnel study
SERIAL NUMBER LOCATION
the instructions and illustrations in this manual and use it
as a reference when performing repair or maintenance op-
Figure 1-1 illustrates the machine serial number which is
erations.
located on the front right side of the revolving frame. Al-
ways indicate the machine serial number in all corres-
An Operator's Manual is provided with each machine to
pondence to properly identify the machine, and to ensure
that the correct parts are obtained, when ordered.
maintenance, adjustment, and lubrication of the machine.
NOTE
Sections I, II and III of the Operator's Manual have
been duplicated as the first three sections of this
manual to provide maintenance personnel with the
tabulated data, controls, and operation, and lubrica-
tion information that may be necessary in the per-
formance of repair or maintenance operations.
GENERAL INFORMATION
The information, specifications and illustrations in this pub-
lication are based on the information for U.S. built ma-
WARRANTY
chines in effect at the time this manual was printed. Con-
tinuing improvement and advancement of product design
The word "acceptance" as used herein means the execu-
may cause changes to your machine which may not be in-
tion of the Acceptance Block and signing of a DD Form 250
cluded in this publication. Each publication is reviewed and
by the authorized Government representative.
revised, as required, to update and include these changes in
later editions.
The word "supplies" as used herein means the end item
and all parts and accessories thereof, furnished by the
Whenever a question arises regarding your machine, or this
contractor, and any related services required under this
publication, please consult your Harnischfeger represen-
contract. The word does not include technical data.
tative for the latest available information.
Notwithstanding inspection and acceptance by the Govern-
Part numbers are used occasionally in this manual to iden-
ment of the supplies furnished under the contract or any
tify various parts and assemblies. The part numbers shown
provision of this contract concerning the conclusiveness
must not be used when ordering repair parts. Always ob-
thereof, the contractor hereby warrants that the supplies
tain part numbers from the Repair Parts Manual for your
are free from defects in material, and workmanship and will
machine serial number.
conform with the specifications and all other requirements
SAFETY
of this contract for a period of 15 months from date of
acceptance, as shown on the Material Inspection and
The Safe Operating Practices in the beginning of this man-
Receiving Report (DD Form 250), or 1500 hours of opera-
ual are reproduced in a separate publication, Catalog 240,
tion, whichever occurs first. Further, if the Government,
which is furnished with each machine. It is most important
prior to placing vehicles in service, elects to place quantities
that operators and maintenance personnel read and be
of such newly delivered vehicles in Government depot stor-
familiar with the information in Catalog 240 and this man-
age, the contractor agrees that the time period of the war-
ual before operating or servicing this machine, both for per-
ranty will not begin to run for such stored vehicles until
sonal protection and for the safety of other workmen and
each vehicle is withdrawn from Government storage or
bystanders.