Craftsman 137224320 band saw

User Manual - Page 10

For 137224320.

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CHANGING SPEED SE'I-FING (FIG.Y)
To avoid injury, turn the switch OFF and disconnect the saw
from the power source before making any adjustments.
NEVER make adjustments with the machine running.
1. Loosen the belt tension by turning the tension lock
handle (6).
2. Open the lower wheel cover and reposition the V-belt (3).
A. Changing the speed from 1410 to 2600 FPM:
Remove the belt (3) from the band saw pulley (4)
first, and reposition in the saw pulley groove (1).
Next, remove the belt from the motor pulley (5) and
reposition in the motor pulley groove (1).
B. Changing the speed from 2600 to 1410 FPM:
Remove the belt (3) from the motor pulley (5) first,
and reposition in the motor pulley groove (2).
Remove the belt from the saw pulley (4) and
reposition in the saw pulley groove (2).
3. Tighten the belt tension by turning the tension lock
handle (6).
NOTE: After readjusting belt position and belt tension,
check and readjust the settings for the blade tension and
tracking, guides and bearings (See ADJUSTMENT
section).
--1
--4
5 3
5
MOTOR
1
2
To avoid possible injury or damage, NEVER use this band
saw to cut ferrous metals.
CAUTION: When cutting nonferrous metals, metal shavings
can react with wood dust and start a fire. To avoid this:
1. Disconnect any dust collecting hose from the band
SaW.
2. Remove all traces of wood dust from inside the saw.
3. Remove all metal shavings from inside the saw
before sawing wood again.
GENERAL MAINTENANCE
. For your own safety, turn switch OFF and remove the
plug from power source receptacle before maintaining,
cleaning, adjusting, or lubricating your band saw.
, To avoid fire or toxic reaction, never use gasoline,
naphtha, acetone, lacquer thinner or similar highly
volatile solvents to clean the band saw.
, To avoid eye injury from blowing debris, wear safety
goggles when blowing out sawdust.
BAND SAW
Sawdust will accumulate under the table and base. This
could cause difficulty in the movement of the table when
setting up a band saw cut, and also cause a fire hazard.
Frequently blow out or vacuum up the sawdust.
Keep your band saw clean. Remove the sawdust from the
inside. Vacuum or blow out frequently.
Do not allow filth to build up on the table, the guides, or the
support bearings. Clean them with Craftsman Gum and Pitch
Remover.
NOTE: Do not immerse the support bearings in the gum and
pitch remover.
Put a thin coat of paste wax on the table so that the wood
slides easily while cutting.
TO INSTALL A NEW BELT (FIG. Z)
1. Open the lower wheel door.
2. Loosen the blade tension by turning the blade tension
lock knob (!).
3. Remove the blade from the lower blade wheel
4. Loosen and remove the hex head bolt (2) and flange (3)
on the lower blade wheel.
5. Remove the lower blade wheel.
6. Turn the belt tension handle (4) on the rear of the saw
housing to loosen the v-belt tension.
7. Remove the v-belt (5).
8. Check the alignment of the two pulleys.
9. If the edges of the two pulleys are not aligned, see
"ALIGN THE PULLEYS" in ADJUSTMENT section.
!0. Place the new v-belt on the saw puiley and the motor
pulley. See OPERATION section "CHANGING SPEED
SETTINGS" on page for proper belt placement.
11. When positioned properly, tighten the v-belt tension by
turning the tension lock handle.
NOTE: The pulley belt is properly tensioned when there
is 1/2" deflection if pressed in the center between the
pulleys.
12 Replace the blade wheel. Push the wheel on firmly until
it is touching the saw pulley. Replace and tighten the
flange and nut.
13. Reinstall the blade (See iNSTALLING BLADES Section
on page ).
14. Adjust the blade tension, tracking, and the upper and
lower blade guides and bearings before operating the
band saw.
To avoid injury, the blade tension, tracking, and upper and
tower guides and bearings musl be properly adjusted before
operating the band saw. (See ADJUSTMENT INSTRUCTIONS
section)
FIG. Z
BLADE WHEEL TIRES
Pitch and sawdust that build up on the tires should be
removed with a stiff brush or scrape off with a piece of wood.
NOTE: To avoid damaging the tires do not use a sharp knife
or any kind of solvent.
When the tires become worn they should be replaced. When
replacing the tires, stretch them around the wheels but do
not glue them on.
MOTOR
Frequently blow or vacuum out any sawdust from the motor.
Follow lubrication instruction on the motor label.
To avoid electrocution or fire immediately replace a worn, cut
or damaged power cord. '
LUBRICATION
All of the bearings ar# packed with grease at ti'_e.factory.
They require no further IL_brication.
CAUTION: Never put.lubric.ar_tson the blade while it is
spinning.
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