Huvema HU 331 DGH, Owner'S Manual

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CHANGES AND T YPING ERRORS RESERVED CHANGES AND T YPING ERRORS RESERVED CHANGES AND T YPING ERRORS RESERVED
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- Lock the cutting angle in place by using the lock
lever.
- Next, adjust the location of the vise or fence to
avoid contact with the blade.
5.4 Adjusting the blade speed
*Blade speed must be changed while belt and
blade are moving.
- Check that the machine is running and blade is
moving.
- Rotate the speed change dial 3.10 and check
the speed indicator 3.9 for desired speed. Turn
the dial clockwise to raise blade speed, and turn
the dial counter clockwise to reduce blade
speed. The speeds available are 26-80MPM
(85-262FPM) (50Hz), 32-96MPM(105-315FPM)
(60Hz).
5.5 Changing the transmission belt
Over time and due to normal wear and tear the
pulley belt will need to be changed.
- 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.
5.6 Selecting Automatic and Manual
operation
- To select manual mode, press operation mode
switch 3.1 D.
- Check the indicator light 3.1 D1 lightening.
- To select hydraulic operation, press operation
mode switch.
- Check the indicator light 3.1 D2 lightening.
5.7 Changing the blade
- 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 tension to the tension line as
indicator shown 331DSA by turning the handle
clockwise. Replace the chip brush device so
that it touches the blade and tighten setscrew.
- Close all covers and guards and fasten securely.
Connect machine to power and run the blade
freely for 1-2 minutes.
- 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.
5.8 Laser guide device (optional)
The laser guide has been set correctly before
shipment. The laser guide - line works when
machine power on, the red line will align and close
with the blade.
if any situations have to readjust Laser device, see
below pictures.
- A screw is for moving the device forward or
backward.
- B screw for moving the device downward or
upward.
WARNING
Disconnect the machine from the power source
before making any adjustments or repairs!
Failure to comply may result in serious injury!
!
!