MasterCraft 14.4v Cordless Reciprocating saw

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MasterCraft 14.4v Cordless Reciprocating saw
Sean McCallion
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Objective

• To give a basic knowledge of the

• Housing

• Battery and Electrode

• Trigger Switch

• Lock-Off Button

• Electric Motor

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Housing

• Made of plastic for light weight

• Vents to allow heat to escape

• Grooves and brackets hold components

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• Hex wrench for tightening blades

• Ergonomic Handle

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Battery and Electrode

• Nickel Cadmium rechargeable battery

• High power to weight ratio

• Charging time of 3-5 Hours

• Electricity transferred to tool through electrode

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Trigger Switch

• Controls flow of electricity from battery to
  motor

• The harder you squeeze the faster it goes

• Can produce a squeaking noise when not fully
  depressed

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Lock-Off Switch

• Must be depressed in order to pull trigger

• Locks as soon as trigger is released

• Can be used by left and right handed people

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Electric Motor

• Electric current runs trough coils of wires

• Current causes magnetic field around axle

• Surrounding magnets force axle to rotate

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• Rotational energy transferred to gears

• Max speed of motor 3000 SPM (Strokes Per Minute)

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For further Information

• Wikipedia
• http//en.wikipedia.org/wiki/Electric_motorWound_
  field_DC_motor

• mastercraft manual for 14.4v cordless
  reciprocating saw

• Canadian Tire Guy