Advertisement
OPERATING
INSTRUCTIONS
FOR
24 INCH
JIG SAW
LUBRICATION
To prepare
for shipping,
the oil
has
been
removed
from
this
tool.
Do not
run until
refilled
with
a good
grade
of oil similar
to S.A.E.
No.
30.
To refill,
remove
the
pipe
plug
from
filler
pipe
in front
of crank
case
and pour
in
SLIGIITLY
LESS
THAN
ONE
PINT
OF OIL.
TIIIS
FILLING
OF
OIL
SHOULD
LAST
INDEFINITELY,
BUT
IF
MORE
OIL
IS
ADDED,
POUR
IN
ENOUGH
TO
HAVE
IT JUST
VISIBLE
AT THE
BOTTOM
OF THE
FILLER
PIPE.
Any
oil in excess
of the
above
amount
will
be wasted
as
same
will
pass
from
crank
case
either
through
breather
hole
or vents
around
piston
rod until
required
level
is reached.
The crank
case
mechanism
and
main
bear-
ing are
lubricated
by means
of an
oil pressure
system.
The
pressure
is produced
by
a simple
pump
arrangement
in combination
with
the mechanism
in crank
case
which
pumps
and
forces
the
oil
from
the
bottom
of the
crank
case
to all parts
requiring
lubr'cation
in the
crank
case.
The
square
upper
pump
piston
rod
should
be
oiled
or greased
and
a few
drops
of oil should
be applied
through
the
hole in the
pump
tube
cap occasionally.
Periodic
greasing
of the
table
trunnions
is recommended.
:_
:_-
REASSEMBLY
INSTRUCTIONS
This
jig
saw
has
once
been
completely
aszemblzd
at
the factory
and
to avoid
breakage
through
rough
hand-
ling
while
in transit
the
table
has
been
removed.
Looking
at the
under
side
of this
table
you
wil_. note
that
one
pair
of trunnion
bosses
is close
to one edge
of
the
table.
To reassemble
table,
p:ace
the
tab!e
on the
trunnions
with
these
bosses
toward
the
back.
The
four
mounting
screws
are
in the cloth
bag.
Place
the
plain
washer
next
to the
trunnion
boss,
then
the
lock
washer
before
tightening
screws.
The
blade
has
been
pushed
up into
the upper
chuck
to
avoid
breakage.
CAUTION.
For
shipping
purposes
the
upper
pump
tube
assembly
has
been
lowered
and
the
cIamp
bolt
tight-
ened.
To
raise
or turn
this
tube
loosen
the
clamp
bolt
and
move
the
assembly
by hand.
Do not
turn
pump
tube
with
WRENCII
OR PLIERS.
SPEEDS
The
large
pulley
ismounted
with
large
d:ameter
next
to the
crank
case
and
the
small
pulley
is mounted
on
a 1750
R.P.M.
motor
with
the
small
diameter
adjacent
to
the motor.
This
will
give
approxin:ate
speeds
of 1750_
1284--926
and
657. 926 and
1284 are
the
recommended
speeds.
A
1/3 horsepower
motor
is recommended
for
this
Sav,_.
, _.-
PULLEY
ON
CRANK
CASE
MUST
RUN
IN DIRECTION
INDICATED
BY
ARROW
SIIOWN
ON
OUT-
SIDE
OF CRANK
CASE
SIIAFT
BEARING
HOUSING.
MOTOR
I_IOUNTING
The
motor mounting
is in two parts, the front eltd b_ing the conventional floating type pivoted in adjustable
clips. The rear part has an adjusting screw so weight or motor can berelieved from the belt and b_arings.
,.
.
,
PUMP
MECHANISM
The
upper
guide
tube
and
pump
mechanism
is mounted
in a
housing
which
is fastened
in
the
overarm
by
means
of taper
pointed
screws
which
reginter
against
the
angular
surfaces
of a grcove
in a pivot
pilot
which
is
bolted
to thd housing.
Loosening
the
"screws
p:rmits
the
entire
a=sembly
to
be turned
radially.
Removing
the
screws
permits
the
removal
of the
assembly.
Air
for
blowing
dust
away
from
the
work
is provided
through
a tube
concealed
in the
pump
tube.
Additional
air
is exhau=ted
th'ough
chuck
jaws
in upper
guide
tube.
The
graduations
on the
pump
tube
signify
the
length
of saw
blades
and
the
pounds
pressure
of the
spring
at
the
top
of the
stroke.
For
examp',e,
when
using
a 5" blade
the
5"--6½#
mark
should
register
at the
top
edge
of
housing.
PUMP TUBE POINTER
-ALIGNING MARKS
/jso
FIG.
For
radial
alignment
the vertical
line
thrDugh
graduation
on the
tube
must
register
w:th
the
poin._er
on sup-
port
housing
located
45 ° to the
right
from
the
front.
Fasten
the
tube
secure!y
in this
posi._ion.
For
ripping
turn_he
entire
pump
tube
assembly
ar_i saw
blade
roll-
er guide
90 ° to the
right
so that
vart'cai
line
on the
tuba
lines
up with
pointer.
%
F-O B.M
109.2
Advertisement
