Hafco BS-460AS Instruction Manual - page 12
- Disconnect the machine from power supply.
- Open the belt cover. Remove 4 screws from the
top. Remove 1 screw from the front. Remove 8
screws from the cover.
- Turn the dial counter-clockwise to open the
pulley discs and loosen the belt.
- Replace the belt.
- Turn the dial to pretension the belt.
5.7
Selecting Automatic and Manual
operation
- To select manual mode, press operation mode
switch 3.1 D.
- Close all covers and guards and fasten securely.
Connect machine to power and run the blade
freely for 1-2 minutes.
- Check the indicator light 3.1 D1 lightening.
- To select automatic operation, press operation
mode switch 3.1 D.
- Turn the power off and recheck the blade
tension and chip brush. If further adjustment is
necessary disconnect the saw from the power
source, make adjustments, and re-connect the
power.
- Check the indicator light 3.1 D2 lightening.
5.8
Changing the blade (Manual blade
tension type)
5.9
Changing the blade (Hydraulic blade
tension type)
- Raise the saw bow approximately 6” in height.
- Disconnect the machine from the power source.
- Remove both blade guides from the blade guide
blocks and cover.
- Loosen the cover’s lock screws and open the
covers.
- Take off the chip brush device by loosen it’s
screws.
- Loosen left blade guide arm’s lock handles and
slides it to the right side as far as possible.
- Release blade tension by turning the blade
tensioning handle counter-clockwise until blade
is free.
- Remove the old blade from both wheels and out
of each blade guide.
Caution: Even dull blades are sharp to the
skin! Use extra caution handling band saw blades!
- Position the blade and making sure that the
teeth are pointed downward in the cutting
direction.
- Position the blade on the wheels. Make sure
back of the blade rests lightly against the wheel
flange of the both wheels. Twist blade slightly
to allow it to slip into guides.
- Tension the blade to the tension indicator
shown line 460DSA. Replace the chip brush
device so that it touches the blade and tighten
setscrew.
- Raise the saw bow approximately 6” in height.
- Disconnect the machine from the power source.
- Remove both blade guides from the blade guide
blocks and cover.
- Loosen the cover’s lock screws and open the
covers.
- Lower the chip brush device away from the
blade by loosen the wing nut.
- Loosen left blade guide arm’s lock handles and
slides it to the right side as far as possible.
- Release blade tension by turning the blade
tension handle counter-clockwise to the loosen
position that blade will free.
WARNING
Disconnect the machine from the power
source before making any adjustments or
repairs! Failure to comply may result in
serious injury!
!
!
WARNING
Disconnect the machine from the power
source before making any adjustments or
repairs! Failure to comply may result in
serious injury!
Wing nut
!
12
Instruction Manual for BS-460AS (B035)
31/03/2016