Bosch CM12 Operating/Safety Instructions Manual page 11

BM 2610021316 10-11 E:BM 2610021316 10-11 E.qxp 10/17/11 11:02 AM Page 11
2. Remove the blade wrench and raise the lower
guard to its highest point, exposing the forward
cover plate screw. (see Figure 3)
FIG. 3
3. Loosen the forward cover plate screw with the
4 mm portion of the blade wrench approximately four
rotations. This will allow the cover plate to rotate 30°
upward and expose the arbor shaft and bolt. The
guard will hold itself in place while blade changes
are made. (see Figure 4)
FIG. 4
Removing Blade
1. Press and hold the arbor lock (red button on op-
posite side of upper guard – item 35, page 9).
Rotate the blade slowly while pressing the arbor lock
until it fully seats into its lock position.
2. Using the 6/4mm hex key, loosen the blade bolt
by firmly turning it clockwise. NOTE: This bolt has
left-hand threads.
3. Remove the blade bolt and outer washer. Care-
fully grab the blade. Slide the blade 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. (see Figure 5)
forward
Cover plate
Screw
Cover plate
Guard link
diameter and 1" arbor. The blade's maximum
plate thickness is 0.100".
Cover plate
greater.
1. Follow all "Moving Guard Assembly" and "Remov-
forward
ing Blade" steps.
Cover plate
2. Carefully handle the new blade. Check that the
Screw
rotation arrow on the blade matches the rotation
arrow on the upper guard (see Figure 5). 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 support ring of the inner
washer. (See Figure 6).
BladeBolt/
Outer Washer
-11-
FIG. 5
Installing 12" Blade
To avoid injury, do not use a
WARNING
blade larger or smaller than 12"
To reduce risk of injury, use saw
WARNING
blade rated 4300/min (RpM) or
Outer Washer
Blade Bolt
forward
Cover plate
Inner Blade
Washer
Sawblade
FIG. 6
Inner Washer
Arbor Shaft
Support Ring