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5. THE SAWBLADE GUARD
5.1 Mounting the
Blade Guard
5.2 Adjusting the
Blade Guard
See instruction 3. (iv)
— For Rip Cuts:
(i)
Loosen the 2 knobs (H) (Fig. 23) and slide the riving
knife bracket (B) down until the tip of the riving knife
(C) is approximately 10mm (%") from the surface of the
machine's worktable. The distance of the riving knife
from the blade must be between 1-3mm. (adjust by
loosening the screws (G) and sliding the knife left or right
within the bracket slots).
(ii)
Loosen the knob (Q) on the back of the guard and
lower the bracket (D) until the central spring on the
bottom of the bracket just touches the surface of the
timber (i.e. when the tips of all anti-kickback fingers
(L) are positioned at about
1
/
8
" below the surface of
the wood before you start to feed the timber into the
blade). Once the anti-kickback fingers have come
into contact with the surface of the timber, they
should be at the angle indicated.
Important: It is essential for safe rip-cutting that the anti-
kickback fingers are correctly positioned •
they prevent the tendency of the blade to
throw the timber back towards the operator.
Note that the alien screw mounting the anti-
kickback fingers onto its support bracket can
be loosened to allow the kickback fingers to
be angled for bevel-ripping.
It is also important to use the riving knife in its
correct position when ripping to prevent the
timber binding on the blade.
— For Cross-Cutting:
Neither the riving knife nor the anti-kickback fingers are
needed for cross -cuts, so make sure that they are both
adjusted up out of the way.
";
5.3 Removing the
Blade Guard
5.4 Removing the
Sawblade
Follow the mounting procedure (3.(iv)) in reverse order.
The arbor nut has a left-hand thread, so it is necessary to
turn it clockwise to remove it from the motor shaft.
(i)
Fit the large alien key supplied into the front end of
the motorshaft to hold the shaft steady.
(Note that the brass arbor nut has an inner circular ring
rather than being hexagonal across its full width - the nut
should always be mounted with this inner ring facing the
motor).
(ii)
Fit the large open-ended spanner onto the arbor nut
as near parallel to the alien key as possible.
(iii)
Holding the alien key firmly with one hand, turn the
large spanner clockwise with the other hand and the
nut will loosen.
(iv)
Remove the blade and all flanges on the motor shaft
noting the order of assembly and positioning for when
you remount the blade.
If the nut is difficult to loosen in this way, use the
following method:
Lock the roller head in position on the arm with the
rip lock.
Fit the large spanner to the arbor nut only.
Position a striking block of wood as shown in Fig. 24.
(iv)
Hold the spanner on the nut, while at the same time,
with some force, turning the blade/motor shaft anti-
clockwise until the end of the spanner strikes the
block and the nut loosens.
CAUTION: TAKE CARE NOT TO CATCH YOUR
HAND ON THE EXPOSED TEETH OF THE BLADE
AND NEVER TRY TO JAM THE MOTOR FAN AS A
MEANS OF HOLDING THE SHAFT STATIONARY
Rotate spanner
anti-clockwise
Fig. 24
12
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