Sedgwick 571 - The Lever; Chisel Head; Mortise Depth; Mortise Length

571 Operation/Maintenance Instructions Page 11 of 19
Controls
THE LEVER The operating lever used to control the movement of the chisel
bracket can be adjusted to suit the height of the operator as follows:
Loosen the M8 allen screw in the lever boss, slide the bar into the
correct position and re-tighten.
CHISEL HEAD The chisel bracket can be adjusted to suit the size of the work piece
as follows:
Isolate the machine. Open the chuck guard, manually support the
chisel bracket, and slacken the 24mm AF hexagon nut inside the
head with the spanner provided. Position the chisel bracket to the
required height, re-tighten the hex nut and close the chisel guard.
TABLE CLAMP The workpiece clamp can be secured in any position along the tee slot
using the locking lever provided. Its face is pre-drilled to accept a wooden
pad to help prevent possible marking of the workpiece.
TABLE MOVEMENT The table has both longitudinal and lateral movement, controlled by
the single handwheel. Push in and turn for lateral adjustment, pull out
and turn for longitudinal movement.
MORTICE DEPTH The depth of mortice is controlled by pulling the haunch stop lever
towards the operator and adjusting the collar on the stop rod to the
required depth.
Note: When cutting a deep mortice it is advisable to take the chisel down in stages of about
25mm, moving the table along for each successive cut. This enables the chisel to clear itself of
chips, and avoids subsequent overheating, particularly when cutting hard or green wood. DO
NOT OVERLOAD. The motor switch is fitted with a thermal overload cut-out, and if the motor is
overloaded will automatically switch it off. If this occurs, check the rotating parts are running
freely, and lubricate if required. If all is free then it may be necessary to reduce drilling
pressure slightly, i.e. operate at a lower rate of feed.
SETTING OUT FENCE In order to set the position of the mortice in relation to the end of the
timber the turnover stop can be adjusted either side of the table.
Note: Long or heavy timbers should be supported off the table.
MORTICE LENGTH The length of mortice may be controlled using the two length stops on
the bar at the front of the table.