Floor%20Jacks%20and%20Stands

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Floor Jacks and Stands

• Harkness Career Center

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Floor Jacks Parts Identification
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Jack Operation

• Increase pressure when small piston moves a
  larger one
• Hydraulic jack has a fluid reservoir and two
  one-way check valves
• Twisting the handle controls fluid pressure
• Position the jack under the vehicle frame

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Floor Jacks

• Are used to lift the corner or one side of a
  vehicle
• Has NO safety locks
• Vehicles can be rolled on a floor jack
• Floor jacks should always be used with jack stands

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Jack Stands

• Stands have no lifting function
• Are used to secure vehicles in the air
• Can be height adjusted
• Must be used every time with a jack

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Shop Crane (Cherry Picker)

• Is used to lift engines and heavy items to move
  them
• Has NO safety locks
• (NEVER GET UNDER ANYTHING LIFTED BY A
  CRAINE)
• Can carry up to 2 tons
• Keep loads as low as possible when transporting

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Electric/Hydraulic Press

• Used to press together parts
• Can be capible of 30 to 60 tons of pressure
• Can easily bend or shatter metal
• Can easily cause damage to parts of personal
  injury

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Engine Stand

• Are use to hold engines up for disassembly
• Engines must be centered to the mounting flange
• The correct mounting bolts a washers must be used
• Will allow the engine to be turned

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Transmission Jack

• Is a tall jack on rollers and an adjustable
  saddle
• Can be air or hydraulic operated
• Used to remove fuel tanks, transmissions,
  differentials from a vehicle on a lift
• Can be wobbly when fully extended

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Chainfall (chain hoist)

• Slide along a beam secured to the ceiling
• Has two chains
• One to raise and lower
• One to pick the weight up
• Will lock in place and suspend load