-20-
Installing 10” (254mm) Blade
To avoid injury, do not use a
blade larger or smaller than
10” diameter and 5/8” (15.88mm) arbor. The
blade’s maximum plate thickness is 0.100”
(2.54mm). The blade’s maximum kerf thickness
is 1/8” (3.175mm).
To reduce risk of injury, use
saw blade rated 5000/min
(RPM) or greater.
After installing a new blade,
make sure the blade does
not interfere with the table insert at 0° and 45°
bevel positions. Lower the blade into the blade
slot and check for any contact with the base or
turntable structure. If the blade contacts base
or table, seek authorized service.
1. If a blade is currently installed, remove it
as described in “Removing Blade” on page
20.
2. Carefully handle the new blade. Check that
the rotation arrow on the blade matches the
rotation arrow on the upper guard. Slide the
blade up and between the sides of the chip
deflector and over the arbor shaft. Move the
blade so its arbor hole goes around the sup-
port ring of the inner washer (Fig. 12 and
Fig. 13).
3. Place the outer washer over the arbor shaft
and finger-tighten the blade bolt (counter-
clockwise). Check that the blade remained
on the inner washer’s support ring.
4. Rotate the blade slowly while pressing the
arbor lock until it fully seats into its lock po-
sition.
5. Using the Torx wrench (Fig. 7, 41), firmly
tighten the blade bolt counterclockwise.
Removing and Installing Blades
Always wear gloves when changing or handling
blades. Blade tips can cause personal injury.
Removing Blade
1. Position the saw in the UP position and at 0°
bevel. If in the DOWN position: while press-
ing down slightly on the saw head assembly,
and pull out the head assembly lock pin (Fig.
12, 8). Then slowly allow the saw head as-
sembly to come up.
2. Rotate the Lower Blade Guard (26) until
there is clear access to the Blade Bolt.
3. Press and hold the arbor lock (the red but-
ton on the opposite side of the upper guard
(27). Rotate the blade (25) slowly while
pressing the arbor lock until it fully seats
into its lock position.
4. Using the Torx wrench (Fig. 7, 41), loosen
the blade bolt by firmly turning it clockwise.
NOTE: This bolt has left-hand threads.
5. Remove the blade bolt and outer washer.
Carefully grab the blade. Slide the blade
(Fig. 13, 25) away from the inner washer
and off the arbor shaft, then down and away
from the saw. Leave the inner washer on the
arbor shaft.
Assembly
25
5
Blade
bolt
26
27
8
Fig. 12
Blade
bolt
Arbor shaft
Inner
washer
25
Support Ring
Outer
washer
Fig. 13
16099221PJ GCM18V-10SD OSI 20220506.indd 20 5/6/22 11:42 AM
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