Installation And Removal Of The Blade; Assembly - Bosch 4405 Operating/Safety Instructions Manual

Installation And Removal Of The Blade

Disconnect plug from power source
! WARNING
before performing any assembly,
adjustment or repair to avoid possible injury.
1. Loosen rear cover plate screw one full turn. Do
not completely remove screw.
2. Loosen front cover plate screw (approximately three full
turns) until it clears the tab on the cover plate; but do
not completely remove screw. Rotate coverplate
counter-clockwise, exposing arbor bolt blade area.
3. Rotate the guard by hand to clear the blade. Let go of
guard. Plastic will be held out of way by front screw.
4. Press and hold the arbor lock. The blade may
need to be rotated for the arbor lock to catch.
Use the blade wrench to remove the blade bolt
by turning wrench clockwise. NOTE:
bolt has a left hand thread.
Chip
Deflector
Figure 1. Blade Removal
5. Remove the blade bolt, arbor washer, outer
washer and the blade. Inner washer does not
need to be removed (Figure 2).
Outer Washer
Arbor Washer
Blade Bolt
(Left Hand Thread)
Sawblade
Figure 2. Blade Hardware

Assembly

6.
The blade
Lower Guard
Front Cover
Plate Screw
Turn Bolt This
Way to Loosen
Outer
and 5/8" arbor.
Washer
7. Replace the outer washer, arbor washer, and
Blade Bolt
(Hex Cap)
8. Rotate cover plate clockwise to original position
interfere with and hang-up lower blade guard.
Inner Washer
Never use saw without cover plate securely in
place. Lower guard will not function properly.
9.
with the table insert at the 0° and 45° bevel posi-
tions. Lower the blade into the table slot and check
for any contact with the base or turn table structure. If
blade contacts base or table, seek authorized service
at 1-877-BOSCH99.
10. Replace blade wrench in storage area on saw.
12. 12.
To install the 10" blade, fit blade between the
chip deflectors and onto arbor shaft (Figure 3).
NOTE: Make sure the rotation arrow on the
blade matches the clockwise rotation arrow on
the lower guard.
Figure 3. Blade Installation
To avoid injury, do not use a blade
! WARNING
larger or smaller than 10" diameter
tighten blade bolt finger tight counter-clockwise
(see Figure 2). Press the arbor lock and tighten
blade bolt securely using blade wrench, but do
not overtighten.
and tighten cover plate screws.
Tighten the cover plate screws.
! WARNING
Loose cover plate screw may
Be sure the arbor lock is released so the blade
turns freely.
After installing a new blade, make
! WARNING
sure the blade does not interfere
Inner
Washer
Arbor Shaft
Chip
Deflector