SECTION III
LUBRICATION
SECTION III
LUBRICATION
GENERAL
shown
these
greases
to
be
acceptable for the application. The
To insure proper operation of this machine, all points
grease systems must be thoroughly
requiring lubrication must be serviced with the correct
purged and the affected parts
lubricant, at the proper time interval. All normal wear
removed
and
cleaned
before
points which require lubrication are shown in the
switching from a grease having one
lubrication charts at the rear of this portion of the manual,
type of base to a grease having a
with the possible exception of that lubrication information
different soap base.
concerning purchased components. For information
concerning the lubrication of purchased major
LUBRICANT SPECIFICATIONS
components not manufactured by Harnischfeger
Corporation, see the manufacturer's manual. Note that
The following list will identify suitable lubricants for points
the original manufacturer's recommendations take
shown in the lubrication charts by three methods.
precedence over lubrication recommendations contained
They are:
in this manual if any conflict exists.
1. BY P&H SPECIFICATION NUMBER. This lubricant
Points not considered to be normal wear points (levers,
specification identifies the initial fill lubricant as classified
linkages, pins, and so forth) should be lubricated with an
by internal Harnischfeger Corporation Standards.
oil can once a week. Use a few drops of engine oil on
2. BY MILITARY SPECIFICATION NUMBER. If the
each exposed pin or lever not equipped with grease
lubricant classified by P&H Specification Number has a
fittings to prevent rust and to provide the limited
known military specification equivalent number, this
lubrication required.
equivalent number is also listed in the individual lubricant
description.
NOTE
The lubrication recommended in this
NOTE
manual is based on operation of the
The absence of an entry in the
machine for a period not to exceed
Military Specification Column in a
eight hours per day, five days per
lubricant description does not mean
week. If a machine is operated in
that the lubricant recommended does
excess of the above time per day or
not meet any equivalent military
week, lubrication schedules must be
specification.
It may mean, for
adjusted accordingly.
instance, that the lubricant has not
been tested and qualified by the
All attachment fittings, whether illustrated on the
military because it is relatively new.
lubrication chart or not, must be lubricated with
For that reason, it is not certified as
multipurpose grease every 8 hours.
meeting the standards of a particular
military specification, even though it
CAUTION
may be perfectly capable of so doing.
Initial factory fill of MPG is of the
3. BY EQUIVALENT LUBRICANT. Equivalent lubricants
soap base 12-Hydroxy Lithium
presently confirmed as meeting the requirements of the
Stearate type.
Other soap base
P&H specification are listed by trade names. The
greases are not always compatible
absence of a lubricant from this list does not mean that it
with initial fill lubricant, and Barium
is unsuitable. It means only that, as of the date of this
base grease is definitely not
writing, the lubricant has not been tested by P&H. The
compatible. Various other soap base
order in which the lubricants appear on any list is of no
greases may be used if experience by
significance. No superiority of any brand listed should be
the purchaser has
read into the order of appearance on a list. The listing is
purely random and all products on the list are equally
acceptable.
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