FLEX FT421 Plunge Base Instruction Manual
- June 12, 2024
- FLEX
Table of Contents
FLEX FT421 Plunge Base Instruction Manual
DESCRIPTION FUNCTIONAL
ASSEMBLY
Warning:
Detach the battery pack from the tool before performing any assembly or
adjustments, or changing accessories. Such preventive safety measures reduce
the risk of starting the tool accidentally.
INSTALLING AND REMOVING THE PLUNGE BASE (FIG. 2 AND 3)
To install the plunge base
- Unscrew the depth adjustment ring and remove it from the motor unit. Snap the depth adjustment ring onto the fixed base, when not in use, toprevent loss.
- Open the lock lever on the plunge base.
- Align the vertical slot on the motor unit with the pegs on the inside of the plunge base.
- Lower the motor into the plunge base until the motor is stopped by the motor stop.
- Close the lock lever.
To remove the plunge base
- Open the lock lever on the plunge base.
- Pull the motor unit from the plunge base.
INSTALLING AND REMOVING THE DUST EXTRACTION HOOD (FIG. 4
The dust exiraction hood attaches to the plunge base for dust free routing
when used in combination with a suitable vacuum cleaner/dust extractor. The
dust extraction hood allows connection of a 1-1/4” (32 mm) vacuum hose or
adaptor.
To install the dust extraction hood
- Remove the motor unit from the plunge base following the section “To remove the plunge base”.
- Align the pegs on the dust extraction hood with the slots in the plunge base.
- Secure the dust extraction hood in place by tightening the screw knob.
To remove the dust extraction hood
- Fully unscrew the screw knob from the plunge base.
- Remove the dust extraction hood away from the plunge base.
ADJUSTMENTS
Warning
Detach the battery pack from the tool before performing any assembly or
adjustments, or changing accessories. Such preventive safety measures reduce
the risk of starting the tool accidentally.
ADJUSTING THE DEPTH OF CUT (FIG. 5,6, AND7)
- Detach the battery pack.
- Selectand install the desired cutter bit following the instructions in the trim router manual.
- Rotate the stop turret until the lowest turret stop is directly below the depth gauge rod.
- Loosen the depth lock knob and slide the depth gauge rod down so that it meets the lowest turret stop.
- Press the plunge release lever and lower the router motor until the bit touches the workpiece.
- Release the plunge release lever.
- Slide the depth gauge indicator to zero (0).
- Raise the depth gauge rod to the Raise the depth gauge rod to the depth lock knob.
- Press the plunge release lever and raise the router motor to prepare for the cut.
NOTICE:
The micro adjustment sleeve is Tumet Workpiece used for fine adjustments
(loosen for a shallower cut, tighten for a deeper cut).
Using the rotating turret for multiple pass cuts
If the depth of cut required is more than the acceptable depth in a single
pass, rotate the stop turret so that the depth gauge rod meets the higher
turret stop initially. After each cut, rotate the stop turret so that the
depth gauge meets the lower turret stop until the final depth is reached.
Warning
Do not adjust the WARNING stop turret while the router is running. This will
place your hands too near the cutter bit.
OPERATING INSTRUCTIONS
CUTTING WITH THE PLUNGE BASE (FIG. 8
Warning
To reduce the risk of WARNING injury, never use the plunge base in a router
table. To reduce the risk of injury, grip both of the plunge base handles
while operating.
- Securely clamp the workpiece.
- With cutting depth set, press the plunge release lever and raise the bit above the workpiece.
- Hold the router so the bit is away from you and not in contact with the workpiece.
- Turnon the tool.
- Press the plunge release lever and slowly lower the bit into the workpiece until the depth gauge rod stops on the turret.
- Release the plunge release lever.
- Begin moving the router while keeping the subbase flat on the workpiece.
- When finished, press the plunge release lever and raise the bit out of the workpiece.
- To stop the motor, hold the router so the bit is away from you and turn off the tool.
- For multiple pass cuts, rotate the stop turret to the next stop and repeat. Make multiple passes, rotating the stop turret to a lower stop each time.
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