42
DANGER!
Before performing any adjustment or maintenance task and before changing the blade you must
switch off the machine, disconnect it from the power supply and wait for the saw blade to stop.
DANGER!
The risk of cut exist also when the saw blade is still. When changing the saw blade, wear protective
gloves. Use only suitable blades.
REPLACEMENT OF THE BLADE
•
Loosen the 4 wing nuts (E)
Fig. 6
and remove rip fence’s rail (F).
•
Open the two doors with a screwdriver (A and K)
Fig. 1
.
•
Place the upper blade guide (E)
Fig. 1
in its lowest position.
•
Turn the knob for saw blade tensioning (B)
Fig. 1
anti-clockwise to loosen the saw blade.
•
Remove the saw blade and let it pass through the bench hole, the upper and the lower blade guides.
•
Insert a new saw blade. Be careful how place it: teeth must point towards the operator and downwards.
•
Place the saw blade in the centre of the rubber coatings.
•
Turn the locking knob of the blade (B)
Fig. 1
clockwise to tighten the saw blade.
•
Close the two doors (A and K)
Fig. 1
.
•
Then:
-
adjust the saw blade if necessary;
-
adjust the blade guides;
-
let the blade turn for at least a minute;
-
switch off the machine, remove the plug from the socket and check the adjustment of the blade guides.
ADJUSTMENT OF THE UPPER BLADE GUIDE
The upper blade guide is composed by:
-
a support plate which bears the saw blade form behind
(A)
Fig. 19 ,
-
Two small hard metal bearings, which drive the saw blade sideways
(E)
Fig. 12.
These bearings must be adjusted every time you adjust or change the blade.
NOTICE:
Check regularly if the bearings slide correctly, and if they do not, change them both.
1.
Align the saw blade and tighten it.
2.
Loosen the screw (A)
Fig. 17
to
loosen the back support bearing (B) and to easily adjust it.
3.
Once you have adjusted the backup roll, tighten the screw (A) of the upper blade guide.
4.
Loosen the screw (F)
Fig. 18
.
5.
Place the support (G) in order that the bearings are about 1 mm behind teeth’s base.
6.
Tighten the screws firmly (F).
7.
Loosen the screws (I)
Fig. 11
.
8.
Move the two pins (J)
Fig. 11
of the bearings (H)
Fig. 18
until the two bearings touch the saw blade lightly.
9.
Turn again and again the upper flywheel by hand clockwise in order that the bearings are in the correct
position as regards the blade.
ASSEMBLY OF THE BLADE AND ADJUSTMENTS
Содержание F28-186
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