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Replacing the cutting head on the Technic ARC & ARC TE

Before you start

Before starting any work, check that you have the following equipment:

  • Screwdriver, cross head style

1. Be very aware of safety

The cutting head contains two very sharp circular blades and the edge of the base plate has a sharp steel strip fixed along the full length of the machine, as shown by the red lines in the image.

  • For safety – do not place your fingers near the circular knives or the base blade.
  • For safety – move or pick up the cutter using the moulded finger grips at each end and fit the protective cover to the fixed blade.


2. Remove the cutting head

Remove the three cross head screws holding one of the base end covers in position. Be careful not to loose the cup washers under each screw between the end cover and the base, then carefully slide the cutting head off of the end of the base, being very careful not to touch the edge of the wheels, or the base edge strip that the cutting wheels run against.


3. Refit the new cutting head

PLEASE NOTE: A new cutting head will be fitted with a temporary card spacer holding the cutting wheels back, DO NOT remove this prior to fitting the head.

Gently slide the new cutting head onto the base, being careful not to allow the edges of the cutting wheels to touch the base. To replace the end cover, put the three cross headed screws in the holes and then two cup washers, facing each other, offer the end cover to the base and using a screw driver, turn each screw in just a few turns. When all three screws have been located, tighten them so that the cup washers are slightly compressed.

New cutting head only ~ Gently remove the card spacer from the cutting head and push on the plastic cover, until it clicks into position.

The end cover can be adjusted for squareness by the tightening/loosening the three fixing screws. A square cut piece of paper can be used against the cutting edge as a gauge.


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