Clarke WOODWORKER CBS250 Manual de Instruções de Operação e Manutenção - Página 12
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it almost touches leaving a gap of no less
than 0.5mm. Tighten
the grub screw.
Loosen grub screw B and move the side
guide up to the sawblade, again until it is
within 0.5mm. Tighten grub screw.
Repeat with the other side guide by
loosening grub screw C.
NOTE: the side guides must not cover more than
two thirds of the blade, see Fig. 12, otherwise the
guides will come into contact with the sawblade
teeth. If the guides do cover more than two thirds
of the sawblade, this can be reduced by carrying
out the following adjustment.
Loosen grub screw
Fig.13
D
and move the assembly in
required direction,
when correct position
is achieved, tighten
the grub screw.
Lower Blade Guides
D
Loosen the thumb
screw, (see Fig. 14),
Fig. 13
and adjust the rear
blade guide as with the
upper rear guide.
Loosen the grub screws, (see Fig.12),
adjust the side guides as with the upper side guides.
NOTE: if the guides cover more than two thirds of the blade,
adjust as follows.
Loosen nut at the rear of the guide assembly, (see Fig. 15),
adjust the assembly as required, ensure the guides remain
square to the sawblade, when satisfied the guides are
adjusted correctly, tighten the nut, taking care not to move
the guide assy.
NOTE: when carrying out this adjustment with either the upper assy
or the lower assy, it is important before commencing to back the
rear guide off first, and readjust again once the assembly is locked
in place.
When all guide adjustments are complete, refit the table etc.
Upper Blade Guides
B
0.5mm
C
Fig. 12
0.5mm
0.5mm
Front View
Side View
&
A
B, and
Thumbscrew
Front View
Fig. 14
A
Nut
Rear View
Fig. 15
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Changing the Sawblade.
Ensure the machine is switched OFF, and isolated from the main electrical supply by
removing the plug from the 13amp socket.
Remove the rip fence.
Remove the aluminium Profile.
Remove the table insert.
Open the upper and lower doors.
Open the sawblade guard.
A
Loosen the tension on the sawblade by turning the handwheel on the top of the
bandsaw in an anticlockwise direction.
Carefully remove the sawblade, and store safely.
Clean the machine, using a soft brush and vacuum cleaner.
Fit the new sawblade in reverse order, ensure the blade is installed so that it runs in
the correct direction.
NOTE: before tensioning the blade, ensure it is located in all the blade guides correctly.
Slowly tension the blade by turning the handwheel on top of the machine in a
clockwise direction, at the same time, slowly rotate by hand, the upper blade
wheel, also in a clockwise direction, whilst doing this, observe the blade, it should run
in the centre of both blade wheels.
Only tension sufficiently to ensure the blade is taught and does not slip on the blade
wheels.
If the blade runs off centre, adjust the tracking as follows. Under normal circumstances
this should not be necessary.
OPERATION
Before commencing work, ensure the work area is clean and tidy, and the machine
table is clear of tools etc.
Plan work carefully and set the machine up accordingly before plugging into the main
electrical supply.
Cutting can be carried out using several methods,
i.e. freehand, rip fence for parallel cutting, mitre
guide, push blocks, etc.
B
The upper blade guide should always be set as
close as practical to the workpiece, see Fig. 16. Not
only does this provide the best safety for the
operator, but it also brings the blade guides closer
to the work giving more accurate results and
easier control. to adjust the height, turn the
adjusting knob on the right hand side of the upper
wheel housing, anticlockwise to lower and
clockwise to raise the guide assembly. continue to
turn the knob until the required height is reached.
Fig. 16
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