Black & Decker SM1850BD Instruction Manual page 15

I
• Locate the arbor lock (5) below motor
lower cover. (Figure J)
• Press the arbor lock, holding it in firmly
while turning the blade clockwise. The
arbor lock will then engage and lock the
arbor. Continue to hold the arbor lock,
while turning the wrench clockwise (left
hand threads) to loosen the arbor bolt.
J
5
• Remove the arbor bolt (4), the arbor
collar (6), and the blade (7). DO
NOT REMOVE THE INNER BLADE
COLLAR (8). (Figure K)
• Raise the lower clear plastic blade
guard (1) to the upright position to
remove the blade. (Figure I)
1
3
2
4
K
7
6
4
NOTE: Pay attention to the pieces
removed, noting their position and
direction they face. Wipe the blade
collars clean of any sawdust before
installing a new blade.
Installing Blade (Figure I, J, K)
WARNING
!
before changing/installing the blade.
• Install a 7-1/4 in. blade with a 5/8 in.
arbor and no more that 7 degree hook
angle, making sure the rotation arrow
on the blade matches the clockwise
rotation arrow on the upper guard, and
the blade teeth are pointing downward.
• Place the arbor collar (6) against
the blade and on the arbor. Thread
the arbor bolt (4) on the arbor. in a
counterclockwise direction. (Figure K)
IMPORTANT: Make sure the flats of the
blade collars are engaged with the flats
on the arbor shaft. Also, the flat side of
the arbor collar must be placed against
the blade.
• Place the blade wrench on the arbor
bolt.
• Press the arbor lock (5), holding it in
firmly while turning the blade clockwise
(left hand threads). When it engages,
continue to press the arbor lock in,
while tightening the arbor bolt securely.
(Figure J)
• Rotate the cover plate (3) back to its
original position until the slot in the
cover plate engages with the cover
plate screw (2). While holding the lower
blade guard, tighten the screw with a
Phillips screwdriver. (Figure I)
NOTE: The lower blade guard must be
raised to the upright position to access
the cover plate screw.
15
8
Un-plug the miter saw