DOALL INSTRUCTION MANUAL 25
the yellow segment being held with the left
hand.
2. Bend the joint
to
not
more
than
a
12-
inch radius, exposing the joint slot.
3. Using the forefinger of the left hand,
depress the front end of the yellow file band
with the thumb and forefinger of the right
hand, disengaging the dowel.
4. Slide the lock rivet
to
the open end of
the slot and l...f!: 05.
Figure 27
Do
not
bend the band
more
than
neces-
sary. This bsnd is made of the finest special
spring steel .-.-btainable, but
it
is possible
to
put
a
kink
in
it
if
not
properly cared for.
Extra file segment rivets for repairs
are
in
a
bag attached
to
the file band.
BAND
POLISHING
AND
GRINDING
This easily installed
unit
permits excellent
polishing and finishing of parts previously
sawed and riled and is
a
quick
means
of
removing burrs.
It
makes your DOALL
machine
a
three-in-one machine tool. This
unit
is
set
up in the
same
way
as
the file band.
Mount the polishing hand guide support
in the keeper block
as
shown
in
Fig. 28.
Then lower the post
to
the four-inch thick-
ness
capacity mark and
mount
the band
polishing guide
on
the post. Rub graphite
powder into the guide fabric
to
lubricate and
increase the life of the polishing band.
The polishing band is then, mounted and
tracked
on
the wheels in the
same
manner
as
the file bands. The tension should be snug
with the polishing band traveling
at
1500
F.P.M.
Emery cloth bands
are
available in the
following sizes and grits:
Application Cutting Speeds Grit
Grinding 375-700 50
Polishing‘ Coarse 500-1000 80
Polishing Fine 800-1500 150
"Viz":
scnsw
UPPER
POST
ADAPTOR
FILLER
‘
PLATE >BAND POLISHING
>.— ,.,—:"‘~, GUIDE
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LOWER ADAPTOR
POLISHING GUIDE
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