Craftsman 315.216090 Operator's Manual page 18

n Pull up on the blade and press the upper arm down to
position the upper end of the blade in the upper blade
holder.
n Securely tighten the upper blade clamp screw.
n Push the tension release back down.
n Turn the blade tension knob clockwise until the blade
has the desired amount of tension.
n Replace the throat plate.
NOTE: If the blade touches the drop foot on either side
then the drop foot must be adjusted. See Adjusting Drop
Foot in the Adjustments section of this manual.
DROP FOOT
See Figure 12.
To prevent the workpiece from lifting, the drop foot should
be adjusted so it just rests on the top of the workpiece.
The drop foot should not be adjusted so that the
workpiece drags.
Always retighten the drop foot lock knob after each ad-
justment has been made.
n Loosen the drop foot lock knob.
n Lower or raise the drop foot to the desired position.
n Retighten the drop foot lock knob.
The tall, front part of the drop foot acts as a blade guard
to prevent accidental contact with the blade.
LIGHT SWITCH
ON OFF
WARNING: Do not use this foot switch with any tool
other than 21609 Scroll Saw. Failure to follow this
warning may result in serious injury.
OPERATION
DROP FOOT
DROP
LOCK KNOB
FOOT ROD
DROP FOOT
SAWDUST
BLOWER / LIGHT
Fig. 12
TURNING THE SCROLL SAW ON AND OFF
See Figures 13 - 14.
n Plug the foot switch into the power source.
n Plug the scroll saw into the foot switch.
n Pull the ON / OFF knob out to the ON position. The
knob must remain in this position for the foot switch to
supply power to the saw.
n Depress foot switch to turn saw ON.
NOTE: After saw is turned on, a hesitation before blade
movement is normal.
n Release foot switch to turn saw OFF.
SWITCH
PULL / ON
PUSH / OFF
TO
INCREASE
VARIABLE SPEED
See Figure 14.
The ON / OFF knob also controls the variable speed of
the saw. By turning the knob, the variable speed control
may be adjusted from the high speed of approximately
1,600 SPM to the low speed of approximately 500 SPM.
Turn the ON / OFF knob clockwise to increase strokes per
minute and counterclockwise to reduce the strokes per
minute.
18
Fig. 13
SPM
1600
SPEED
INDICATOR
1250
TO
DECREASE
1000
750
500
Fig. 14