Hafco Metalmaster BS-321AS, Instruction Manual

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6
- When ready to cut the work piece, the carbide
guide must be adjusted by adjusting the screws
to properly compressed blade. The tungsten
carbide blades should touch, but not pinch the
blade.
- For moving the blade guide posts or changing
blade, the tungsten carbide guides should be
released by using the adjusting screw.
In case the blade needs to be replaced, make
sure to always install 1.3mm thick blade.
4.2 Thrust Roller Adjustment
1. Disconnect machine from the power source.
2. Loosen two hex socket cap screws (X)
3. Move guide seat (Y) up or down until a
clearance of .003" to .005" between back of
blade and thrust roller is obtained.
4. Tighten two hex socket cap screws (X).
5. Repeat for other blade guide assembly.
6. Connect machine to the power source.
4.3 Adjusting the cutting precision
The cutting precision has been set at the factory.
This adjustment should only be accomplished by
a qualified personnel that are familiar with this
type of adjustment.
- Disconnect the machine from power supply.
- Loosen the adjusting bolts (X) slightly, if needed.
- Use the setscrews (X1) to adjust the direction of
the guide blocks.
- After adjusting, tighten the adjusting bolts (X).
4.4 Blade tracking adjustment
This adjustment must be accomplished by
qualified personnel that are familiar with this type
of adjustment and the dangers associated with it.
Blade tracking has been set at the factory and has
no adjustment required. If a tracking problem
occurs, adjust the machine as follows:
- Raise saw arm to the proper position.
- Locate tracking adjustment screw (V) on the
front of the saw blade, flywheel side.
- Reduce the blade tension a little.
- Turn the tracking adjustment screw (V) to adjust
the saw blade ride.
- Re-tension the blade tension.
- Connect the machine power to run the blade for
1-2 minutes. Then stop the machine operation.
- Remove the blade guides and open covers to
check the blade tracking
- Close covers, replace the blade guides and
tighten the setscrews.
- If necessary, readjust it again.
4.5 Placing the saw blade onto the drive
wheel and flywheel
- Disconnect from power supply
- Remove the blade guards
- Turn the blade tension handle counter-
clockwise, to fully loosen the flywheel.
- Open the blade cover and place the saw blade
onto the race of the drive wheel and flywheel.
*Check the cutting direction of the saw blade.
- Insert the saw blade into the rollers of the left
and right blade guide.
- The back edge of the saw blade should make
contact with the flange of the drive and flywheel;
turn clockwise the blade tension handle to
tighten the saw blade, until the blade is properly
tensioned.
- Replace the blade guards.
Y
X
Z
X
V
X1
!
Caution
Before blade tracking adjustment, make
vise clamped and hydraulic flow control
valve to zero. Failure to comply may result
in injury!
11 Instruction Manual for BS-321AS (B034A) 31/03/2016