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DISK AND BEARINGS
The lower
jewel may
point of a fine needle.
in
the
air
gap,
after
provided for this purpose.
CONTACT CLEANING
A flexible burnishing tool should be used to clean fine silver contacts.
is a flexible strip of metal with an etch-roughened surface, resembling in effect a
superfine file.
The polishing action is so delicate that no scratches are left,
yet corroded
material will be removed rapidly and thoroughly.
the tool ensures cleaning the actual points of contact.
Fine
silver
contacts
paper or
cloth.
deterioration of the contacts.
of insulating abrasive material between the contacts,
completely.
The burnishing tool described above can be obtained from the factory.
Sufficient quantities of renewal parts should
the prompt replacement of any that are worn, broken, or damaged.
When ordering renewal parts,
Electric Company,
specify the quantity required,
number, as shown in Renewal Parts Bulletin No. GEF-3897.
Since the last edition, Figure
be tested for cracks
The
jewel should be turned up until the disk is centered
which
it
should
should
not
Knives
or
files may
Abrasive paper or cloth may leave minute particles
REREWAL PARTS
address the nearest Sales Office of the General
has been changed.
12
GEH-1768
by
exploring
be
locked
in
be
cleaned
with
leave
scratches,
preventing them from closing
be carried
and describe the parts by catalog
9
its surface with
position
by
the
set
The flexibility of
knives,
files,
or
which
increase
arcing and
in stock to enable
the
screw
This
abrasive
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