GMC GM210S Mode D'emploi page 10

4. Perform the cut as required
5. Reset the Depth Adjustment Knob position so it no longer prevents the cutter head from stopping before the
master depth position.
Adjusting master depth should never be done for trench cuts. Use the Depth Adjustment Knob instead. In normal
use the master depth does not need to be altered. The master depth adjustment should only be adjusted with
extreme caution as set incorrectly the blade may contact the bottom of the base. To alter the master depth
(typically fine adjustment after a blade change):
1. Loosen the Depth Adjustment Locking Nut and turn the Depth Adjustment Bolt (64) clockwise for a shallower
cut or anti-clockwise for a deeper cut. The bolt contacts the Depth Stop (67) in use as the cutter head is
lowered
2. Check the height adjustment repeatedly to ensure the blade will not contact the bottom of the Blade Channel
(12) or the sides of the Throat Plate (13) when doing a bevel cut. Check both left side and right side bevel cuts
3. Retighten the Depth Adjustment Locking Nut
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Adjusting the mitre angle
The Mitre Table Locking Knob (15) is used to lock the Mitre Table (21) at the desired mitre angle. The mitre
saw cuts from 0° to 45° both left and right. To adjust the mitre angle:
1. Turn the Mitre Table Locking Knob anti-clockwise to loosen
2. Rotate the mitre angle with the Operating Handle (4) to the desired position using the Mitre Angle Indicator
(20) and Mitre Angle Gauge (19). The mitre table features positive click stops at 0, 15, 22.5, 30 and 45°
both left and right for quick setting of common mitre angles. Lift the Click-Stop Lever (16) to bypass the
click stop positionss
3. Retighten the Mitre Table Locking Knob to lock the angle setting
WARNING: Be sure to tighten the Mitre Table Locking Knob before making a cut. Failure to do so could result
in the Mitre Table moving during the cut and cause serious personal injury.
Adjusting the bevel angle
The Bevel Angle Lock (17) is used to set the blade at the desired bevel angle. The mitre saw bevel cuts from
0° to 45° to the left only. To adjust the bevel angle:
1. Ensure the Mitre Table Locking Knob (15) is tight
2. Loosen the Bevel Angle Lock by rotating anti-clockwise
3. Tilt the cutter head with the Operating Handle (4)
4. Use the Bevel Angle Indicator (61) and Bevel Angle Gauge (62) to set the required angle
5. Retighten the Bevel Angle Lock to secure in position
WARNING: Be sure to tighten the Bevel Angle Lock before making a cut. Failure to do so could result in the
saw arm moving during the cut and cause serious personal injury.
Note: Adjust the Bevel Nut (40) if necessary to ensure smooth operation of the Bevel Angle Lock or sufficient
tension to hold the Bevel Angle.
Operation
WARNING: ALWAYS wear eye protection, adequate respiratory and hearing protection, as well as suitable
non-woven gloves, when working with this tool.
Switching on and off
• To turn the saw on, depress a Safety Lock-Off (2 or 3) and hold in the On/Off Trigger Switch (49)
• To turn the saw off, release the On/Off Trigger Switch
Laser and LED worklight
• To switch the laser on and off use the Laser On/Off Switch (70). This indicates the cut line on the workpiece
• To switch the LED worklight on and off use the Worklight On/Off Switch (69). It provides additional illumination
of the cutting area
Note: Both laser and LED worklight can be used together and are powered independently of the mitre saw On/
Off Trigger Switch (49).
Making a cut
• A compound mitre cut involves using a mitre angle and a bevel angle at the same time. It is used to make
picture frames, cut mouldings, make boxes with sloping sides, and for roof framing
• Always make a test cut on a piece of scrap wood before cutting the workpiece
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1. Pull on the Release Lever (5) and lift the cutter head to its full height
2. Loosen the Mitre Table Locking Knob (15)
3. Rotate the Mitre Table (21) until the Mitre Angle Indicator (18) aligns with the desired angle on the
Mitre Angle Gauge (20)
4. Retighten the Mitre Table Locking Knob
WARNING: Be sure to tighten the Mitre Table Locking Knob before making a cut. Failure to do so could result in
the table moving during the cut, causing serious personal injury.
5. Loosen the Bevel Angle Lock (17) and move the cutter head to the left to the desired bevel angle (between 0°
and 45° as indicated by the Bevel Angle Indicator (61)). Tighten the Bevel Angle Lock
6. Place the workpiece flat on the table with one edge securely against the Fence (22). If the board is warped,
place the convex side against the fence. If the concave side is placed against the fence, the board could break
and jam the blade
7. When cutting long pieces of timber, support the opposite end of the timber with Workpiece Supports (25), a
roller stand or a work surface that is level with the saw table
8. Use the clamp to secure the workpiece wherever possible using the Clamp Base (27) against the workpiece
and adjusting the height with the Clamp Knob (29)
Note: The clamp can be positioned on the other side of the saw using the Clamp Mounting (45) and moving the
Clamp Mounting Knob (39) to the other Clamp Mounting Knob Thread (44).
9. Before turning on the saw, perform a dry run of the cutting operation to check that there are no problems
10. Hold the Operating Handle (4) firmly and depress a Safety Lock-Off (2 or 3) and squeeze the On/Off Trigger
Switch (49). Allow the blade to reach maximum speed
11. Press the Release Lever (5) and slowly lower the blade into and through the workpiece
12. Release the On/Off Trigger Switch and allow the Saw Blade to stop rotating before raising the blade out of
the workpiece. Wait until the blade stops before removing the workpiece
Accessories
• A range of accessories and consumables, including saw blades, additional clamps and personal protective
equipment, is available from your GMC stockist. Spare parts can be obtained from toolsparesonline.com
Maintenance
WARNING: ALWAYS disconnect from the power supply before carrying out any inspection, maintenance
or cleaning.
Bevel Angle Adjustment
Checking angle
1. Turn the Bevel Angle Lock (17) anti-clockwise and position the cutter head at the maximum height with the
Bevel Angle Indicator (61) at 0° on the Bevel Angle Gauge (62). Tighten the Bevel Angle Lock
2. Lower the cutter head so the exposed blade is in the Blade Channel (12) of the Throat Plate (13) and lock in
this position with the Latching Pin (46)
3. Recheck that the cutter head is upright and the Bevel Angle Indicator is still at 0°
4. Place a set square on the table with one short edge against the Mitre Table (21) and the other short edge
against the blade (avoiding the saw teeth) - see Image A
Note: If the blade is not square (90°) with the Mitre Table, adjustment is required
Changing 0° angle
1. Use 0° Bevel Adjustment Bolt (59) and 0° Bevel Adjustment Locking Nut (58) to set the cutter head resting
position at exactly 0°
2. Turn the Bevel Angle Lock (17) anti-clockwise and set the bevel angle to 45° then tighten the Bevel Angle Lock
3. Turn the Bevel Adjustment Locking Nut on the 0° Bevel Adjustment Bolt so it is at a higher position, and make
a small adjustment to the Bolt (the adjustment should be very small)
4. Turn the Bevel Angle Lock (17) anti-clockwise and set the bevel angle to the 0° resting position then tighten
the Bevel Angle Lock
5. Recheck the 90° alignment against the set square and blade
6. Repeat the above steps 2-4 until a 90° angle is achieved
7. Tighten the Bevel Angle Lock
8. A minor adjustment can be made to the Bevel Angle Indicator (61) by loosening the Bevel Angle Indicator
Screw (60) and adjusting the position of the Bevel Angle Indicator so it is set to 0° when the set square is at a
90° angle (Image A)
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