Operation – Ryobi CSB123 User Manual
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OPERATION
If at any time the lower blade guard does not snap closed, 
unplug the saw from the power supply. Exercise the lower 
guard by moving it rapidly back and forth from the full open 
position to the closed position several times. Normally this 
will restore the guard to its normal operating condition. If 
it does not correct a slow or sluggish closing lower guard, 
do not use the saw. Take it to an authorized factory service 
center for repair.
STARTING/STOPPING THE SAW
See Figure 10.
To start the saw: Depress the switch trigger. 
Always let the blade reach full speed, then guide the saw 
into the workpiece.
WARNING:
The blade coming in contact with the workpiece before 
it reaches full speed could cause the saw to “kickback” 
towards you resulting in serious injury.
To stop the saw: Release the switch trigger.
After you release the switch trigger, allow the blade to come 
to a complete stop. 
Do not remove the saw from the
workpiece while the blade is moving.
ADJUSTING BLADE DEPTH
See Figure 11.
Always keep correct blade depth setting. Less than a full tooth 
of the blade teeth should be visible below the workpiece. 
More blade depth will increase the chance of kickback and 
cause the cut to be rough. For more depth of cut accuracy, 
a scale is located on the upper blade guard.
To adjust the blade depth:
	
Unplug the saw.
	Loosen depth adjustment knob on back of saw.
	
Determine the desired depth of cut.
Locate depth of cut scale on back of upper blade 
guard.
Hold base flat against the workpiece and raise or lower 
saw until the index point (or reference mark) on bracket 
aligns with notch on blade guard.
Tighten depth adjustment knob securely.
Fig. 11
Fig. 10
SWITCH
DEPTH OF CUT
SCALE
BASE
DEPTH
ADJUSTMENT
KNOB
INDEx POINT
