This manual provides operating instructions and
excavators and cranes at no cost. Submit such requests
information concerning routine lubrication and service as
to the Harnischfeger Technical Publications Department.
required for the most efficient use of this machine.
Overhaul and repair information is provided in a separate
shop manual. Overhaul information on the engine and
certain other purchased components is not included in
the shop manual, since the original manufacturer's
manuals are both authoritative and complete.
The information, specifications and illustrations in this
publication are based on the information in effect at the
time of approval for printing. This publication is revised
and reprinted periodically. It is recommended that the
Figure 1-1. Machine Serial Number
user contact the Harnischfeger Technical Publications
Department for information on the latest revisions. The
SERIAL NUMBER LOCATION
Harnischfeger Corporation reserves the right to make
changes to this manual at any time without prior notice or
Figure 1-1 illustrates the machine serial number which is
located on the lower front side of the operator's cab.
Always indicate the machine serial number in all
Any part numbers which appear in this manual are for
correspondence to properly identify the machine, and to
reference only, refer to the P&H Replacement Parts
ensure that the correct parts are obtained, when ordered.
Manual when ordering parts.
The terms under which this machine is guaranteed are
A separate publication, Catalog 221, Safe Operating
clearly defined under the warranty which accompanies
Practices, is furnished with each machine. It is most
every P&H product. This warranty, while generous, will
important that operators and maintenance personnel
be voided if the machine is operated with loads in excess
read and be familiar with the information in Catalog 221
of the rating plate maximums, under unsafe operating
and this manual before operating or servicing this
conditions, or with accessories or attachments not
machine, both for personal protection and for the safety
designed and furnished, or approved by the
of other workmen and bystanders.
Harnischfeger Corporation. Modifications made upon
the machine which will affect its operation or capacity will
Additional copies of Catalog 221 are available, in
void the warranty.
reasonable quantities, to Owners of P&H hydraulic