After starting the motor,
behind the machine and
hands
(Fig.
25).
operator
must stand
it
in
place
with
both
the
hold
Move the machine fonrvard slowly and
push
down
the
drum
control
lever
(Fig.
26).
Move the
machine slowly and constantly.
Before reaching the end of
the circuit marked
out by
the machine,
lift the drum
gently
(Fig.27).
Pull
the
machine back over the mark
it left
when it star-
ted moving,
lowering the drum
gently
when
you
start
the backward
movement.
Keep the sander
in motion while the
drum
is working
or marks will appear
which are very difficult
to
remove
with further
sanding.
Always work from
left to right.
ln order to obtain satisfactory
sanding,
the sandg.r
should be
passed
over the surface several
times with
different sizes of sanding
grain.
We recommend
that the sander be
passed
over the
surface at least three
times if the
floor
is new. lf the
floor in
question
has already
been
varnished
we
recommend that the
sander be
passed
four times,
according
to the following
chart:
Passes New floors
Old floors
first
grit
30
-
36
grit
24
second
grit
60
grit
36
- 40
third
grit
100
grit
60
fourth
grit
100
Fig. 25
Fig.26
Fig.27
14
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