Part II
CHAPTER SEVEN Cleaning and Oiling Two METHODS that
we
are used in cleaning watches.
first
method generally referred
shall consider is the older
to as the
The
hand method. The second involves the use of the
cleaning machine.
The Hand Method In using the hand method we proceed as follows taking the
movement apart
string the larger pieces
loop, place the pieces in benzine, benzole, or
:
After
on a wire
any other good
cleaning preparation for several minutes.
Remove and wash
pieces in hot water, using castile soap
and a soft brush.
Rinse in clean water, dip in cyanide of potassium, rinse again in clean water,
immerse
The same treatment
is
and dry
in alcohol,
in
warm
sawdust.
given to the wheels and other small
pieces that can be strung on the wire loop, but separately,
The other small pieces jewels, may be held against
after the plates have been cleaned.
such as the pallet fork and the
a piece of hard pith or cork with a pair of tweezers especially
prepared for the purpose and brushed thoroughly with a fine
toothbrush previously dipped in benzole.
After being
brushed, the pieces are dipped in alcohol and allowed to dry
on a sheet of watch paper. separately.
The
The
usual method 124
is
balance must be cleaned
to dip the balance
first in