Hafco BS-460AS Instruction Manual - page 9
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
Guide Roller adjustment
4.4
Adjusting the cutting precision
Note:
Only bearing (A) is adjustable. Bearing (B)
is fixed.
1. Disconnect machine from the power source.
2. Loosen blade guides by loosening guide
adjustment screw (Z4.2).
3. Loosen locking screws (A) by using a hex
wrench.
4. Adjust the eccentric bushings with a
combination wrench until the ball bearings are
snug to the blade (A)
Note: blade should travel freely up and down
between the ball bearings. do not pinch the
blade.
5. Tighten locking screws (A).
6. Connect machine to the power source.
X1
Y
X
Z
X
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).
4.5
Blade tracking adjustment (Manual
blade tension type)
This adjustment must be accomplished by
qualified personnel that are familiar with this type
of adjustment and the dangers associated with it.
V
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.
9
Instruction Manual for BS-460AS (B035)
31/03/2016