Thicknesser Planer

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This tool cannot be operated without completing a training course.
If required we can provide an introduction to the safe use of this tool.
Do not wear loose clothing while operating this machine Do not wear gloves operating this machine
Disconnect before carrying out maintenance or repair Switch off and remove plug from socket when not in use Guards must be used at all times Use guard
Wear ear protectors Eye protection must be worn Wear a mask Wear safety footwear
Rotating machinery Beware of moving parts Sharp elements

WARNING: Risk of serious cut injuries, entanglement with rotating parts!

Equipment Image

Clarke CT1000 Planer Thicknesser

Planer / Thicknesser

The Planer Thicknesser is a Machine Mart Clarke CT1000 Planer Thicknesser

This machine is designed to work on planks or strips of wood.

Machine information

  • Manufacturer: Clarke
  • Model: CPT1000 254mm (10") Planer Thicknesser (230V)


  • Planes and thicknesses timber up to 254mm (10") wide
  • Safety on/off switch
  • Max Planer depth of cut: 2mm
  • Max thicknesser depth of cut: 1.5mm
  • Max thicknessing timber thickness: 120mm
  • Average feed rate: 6.8m/min
  • No load cutter drum speed: 8500rpm
  • Fence angle range: 90°-135°
  • Table dimensions: 920x254mm
  • Dust extraction outlet
  • Supply: 230V ~ 50Hz
  • Power: 1500W


Electronic Manual

The instruction manual: Machine Mart Clarke CT1000 Planer Thicknesser User Manual

Locally hosted copy: Clarke CT1000 Planer Thicknesser User Manual

Hard Copy Manual

The original paper manual can be found in the Manuals folder in the Cubby Hole.

Training Materials

  • Links to videos for training
  • Training documentation
  • Cambridge Makespace's Makita Thickneser Planer Demonstration Video on YouTube Note: This demonstration is for a different machine to the one we have.

Primary uses

  • Planing one surface to remove roughness and undulation
  • Thicknessing a plank or strip by planning a top plane to a set height above the base/bottom plane. Where the top plane has been planed flat previously, this ensures the top and bottom planes are parallel
  • Forming adjacent planes of 90 degrees. This ensures that the horizontal planes of the strip/plank butt-up accurately with adjacent strip/plank, for example where a chopping board is being fabricated.

Health & Safety


  • Clothing and accessories
  • Stance and movement while working the part
  • Hands clear of moving parts / cutting edges
    • Use of pads etc to assist with this
  • Safety equipment
    • Goggles
    • Ear defenders

Safe Useage

For Operator safety this tool should be used mounted on the Clarke Workshop Stand

Working area

  • Floor clear and non-slip
  • Electrical connection made with cable in a safe configuration
  • Machine start and stop easily accessible to operator
  • Air suction for sawdust and debris connectable with tube in a safe configuration and the sliding vents opened or close to ensure that the debris is directed into the vortex extractor
  • Air conditioner/filter operational for use after the machine is stowed away
  • Working area sufficiently clear with other people nearby aware that this area must be kept clear
  • Fire safety equipment easily accessible and operator clear of procedure to follow in event of a fire

General operation

  • The operator to keep balanced and braced throughout the run to ensure they can deal with any kick-back, judder or grabbing by the machine
  • The operator to pass the strip/plank through the machine in a smooth, uninterrupted motion until fully clear of the cutting blade

Detailed procedure for Planing

  • Arrange machine and supporting furniture so that the strip/plank can be fed into machine and drawn through completely in a single sequence without pauses, with the weight of the piece fully supported on both sides of the machine, and the blade-guard set to the appropriate position (i.e. so that only the required length of cutting blade is exposed)
  • Attach the debris extractor hood below the working surface, securing it with the side clips
  • Attach the debris extraction tube to the extractor hood
  • Perform one or practice runs with machine and air extraction switched off, using the hand pads to move the plank/strip across the exposed cutting blade, make any adjustments that may be necessary to any of the set-up arrangements listed above
  • Turn on the air extractor and machine
  • Perform a smooth, uninterrupted pass of the plank/strip across the cutting blade
  • Once clear of the blade, turn off the machine and extractor.

Detailed procedure for Thicknessing

  • Arrange machine and supporting furniture so that the strip/plank can be fed into machine, with the weight of the piece fully supported on both sides of the machine
  • Set the blade-guard to the side position and attach the extractor hood to the top surface, screwing in the single bolt and securing on the side clips
  • Attach the debris extraction tube to the extractor hood
  • Use the crank handle to set the desired thickness the strip/plank is to be planed to. This should be the minimum cut possible, initially, to avoid attempting to plane too-great a thickness which will cause juddering and ‘grabbing’ by the machine
  • Turn on the air extractor and machine
  • Feed the strip/plank into the machine. If the planning thickness has been set correctly, the strip/plank will be drawn through by the machine without operator assistance. If the thickness has been set so that no planning takes place, the operator will have to push the piece through manually, before resetting the thickness and repeating the operation.

Detailed procedure for Forming adjacent planes of 90 degrees

  • Set up as for Planing above with the following variations
  • Attach the side piece to the machine, securing it via the two bolts designed for that purpose
  • Place the piece in such a way that the reference plane is against the side piece and the plane to be cut on the cutting surface of the machine
  • Use the plastic tongs to apply pressure and forward motion to the strip/plank as it passes across the cutting blade

Post use procedure

  • Disconnect electrical connection and debris suction tube
  • Remove debris from machine
  • Stow machine and parts
  • Ensure debris has been passed into the receptacles and check if they require emptying
  • Sweep up debris from floor
  • Turn on extractor filter, setting it to run for one hour (via remote control).