RIDGID R4221 Operator's Manual page 20

ASSEMBLY
NOTE: Many of the illustrations in this manual show only
portions of the miter saw. This is intentional so that we can
clearly show points being made in the illustrations. Never
operate the saw without all guards securely in place and
in good operating condition.
SQUARING THE SAW BLADE TO THE FENCE
See Figures 21 - 25.
 Unplug the saw.
 Pull the saw arm all the way down and lock in transport
position.
 Lift the miter lock lever to unlock the miter table.
 Press the miter detent bypass half way and rotate
the miter table until the pointer on the miter scale is
positioned at 0 ° .
 Release the miter detent bypass and allow the miter table
to engage the 0 ° detent position.
 Push the miter lock lever down to lock the miter table.
 Move the bevel lock lever to the unlocked (detent
disengaged) position. Set the saw at the 0
 Move the bevel lock lever to the unlocked (detent
engaged) position and allow the bevel to engage the 0
detent position.
SLIDING
MITER
FENCE
FIXED
MITER
FENCE
FRAMING
SQUARE
 Move the bevel lock lever to the locked position.
 Lay a framing square flat on the miter table. Place one
leg of the square against the fixed fence. Slide the other
leg of the square against the flat part of the saw blade.
NOTE: Make sure that the square contacts the flat part
of the saw blade, not the blade teeth.
 The edge of the square and the saw blade should be
parallel as shown in figure 21.
 If the front or back edge of the saw blade angles
away from the square as shown in figures 23 and 24,
adjustments are needed.
 Rotate the extension tables to their fully extended
position. See To Make Extended Miter Cuts later in this
manual.
 Lift the miter lock lever to unlock the miter table.
 Press the miter detent bypass until it clicks. Release to
bypass the detent function.
 Rotate the miter table until the pointer is at the 15
position on the miter scale.
° bevel angle.
 Loosen the 5 screws that hold the miter scale/detent
plate in place.
°
BLADE
MITER DETENT
BYPASS
BUTTON
MITER
TABLE
MITER
LOCK
LEVER
20 - English
MITER SCALE/DETENT PLATE
SCREWS
°
SCREWS
Fig. 21