Installation And Removal Of The Blade - Bosch 5312 Operating/Safety Instructions Manual

installation And Removal Of The Blade
_ isconnect plug from power source
before performing any assembly,
adjustment or repair to avoid possible injury.
1. The miter saw is equipped with a lock pin used to
lock the miter saw inthe lower position. Torelease,
push the handle down slightly and pull the lock pin
to its full out position and rotate 90 °.
NOTE:Ifthe lock pin is stuck and will not pullout when
the handle is pushed down slightly, you may have to
adjust the depth stop bolt (see Depth Adjustment,
page 16) slightly so the handle can be pushed down
and the lock pin can be pulled out.
2. Rotate the lower guard by hand. Loosen front
cover screw to a point that cover plate can be lifted
(Figure 1).
3. Rotate the cover plate counterclockwise so the
blade bolt is exposed (Figure 1).
4. Press and hold the arbor lock (See figure on page
9). Use the multi purpose tool or multi purpose "L"
wrench to remove the blade bolt by turning wrench
clockwise.
5. Remove the blade bolt, outer washer and the
blade. Inner washer does not need to be removed
(Figure 2).
6. To install the 12" blade, fit blade between the chip
deflectors and onto the arbor shaft, and onto 1"
support ringon the inner washer (Figure 3). NOTE:
Make sure the rotation arrow on the blade matches
the clockwise rotation arrow on the lower guard.
To avoid injury,do not use a blade
larger or smaller than 12" diameter
and 1" arbor.
7. Replacethe outer washer in it's proper orientation,
and tighten blade bolt finger tight. Press the arbor
lock and tighten blade bolt securely using multi pur-
pose tool or multi purpose "L" wrench, but do not
overtighten.
8. Rotate cover plate clockwise to original position.
Tighten the front cover plate screw.
_ Tighten the cover plate screw.
Loose cover plate screw may in-
terfere with and hang-up lower blade guard.
Never use saw without cover plate securely in
place. Lower guard will not function properly.
9. Be sure the arbor lock is released so the blade
turns freely.
_ After installing a new blade,
make sure the blade does not in-
-11-
terfere with the table insert at the 0° and 45° bevel
positions, Lower the blade into the table slot and
check for any contact withthe baseor turn table struc-
ture. If blade contacts base or table, seek authorized
service.
10. Place multi purpose tool or multi purpose "L"
wrench in rubber grommet in right rear of tool.
Lower
Cover _ ..... _"_-,, Guard
\
Front
Cover
Plate
Screw
Outer Washer
Rear Cover Upper Blade
Plate Screw Guard Bolt
Figure 1. Blade Removal
Outer Washer
Blade Bolt
(Left Hand Thread
Inner Washer
Sawblade
Figure 2. Blade Hardware
\
Inner
Washer
Upper Arbor
Guard Shaft
Figure 3. Blade Installation