Mechanical Maintenance Vocabulary Quiz
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Questions and Answers

The act of applying a lubricating agent between moving parts to reduce friction and prevent rust is known as ______

lubricate

A material capable of reducing friction when applied between moving parts is called ______

lubricant

A change of shape or angle caused by pulling or pricking to a harder part, like a machine needle driven out of a throat plate slot, is called ______

bent

A thick or sticky quality, like oiled accumulated dust on sewing machine parts, is referred to as ______

<p>gummy</p> Signup and view all the answers

A material property that sucks up or takes in, like a sponge, is known as ______

<p>absorbent</p> Signup and view all the answers

Put back the face plate in place Upper Tension (disc spring and dial) w Remove outer bolt, tension dial, discs and ______.

<p>disc spring</p> Signup and view all the answers

Forming knots, like thread entangled in the bobbin case, is called ______

<p>entangle</p> Signup and view all the answers

Assemble by following the laid parts in your table Lower Mechanism (rotary oscillating hook) Remove bobbin case.Fasten sides of oscillating hook.Remove dust with lint brush Put a little amount of machine oil on moving parts.Return spare parts in place Other Minor Parts Remove entangled treads between head balance wheel.Brush accumulated dust in the treadle joints connecting the band wheel.Clean gummy dust on the band wheel.After all parts were dusted, lubricate all joints and oil slots with good quality oil.Wipe off all surplus oil then put a piece of absorbent cloth under the presser foot for dripping oil.When the machine has been thoroughly cleaned and oiled, run it slowly for several minutes to allow the oil to work on its moving parts.Place a scrap of fabric under the presser foot and lower the needle to absorb excess oil.Occupational Health and Safety Procedure in Sewing Machine Maintenance Cleaning and lubricating a sewing machine is quite a messy task.Therefore, personal care should be observed during this activity.The following health and safety precautions should be practiced at the shop or at home. 1.Wear personal protective equipment.This prevents your clothing from being tarnished by oil and dirt.Be sure to wear gloves to avoid accumulation of oil and dirt in your nails and palms.(Wearing of protective eye glasses is optional) 2.Remove the upper belt or turn power off (for powered sewing machine) before oiling the sewing machine. 3.When a chemical or small spare parts get into your eyes, call the attention of your teacher at once. 4.Do not remove any safety device from any machine. 5.Be sure that all screws are well-tightened before starting the machine. 6.Make sure that no screws or tools are left on the floor to avoid ______.

<p>slipping</p> Signup and view all the answers

Wipe dry spilled oils on the floor to avoid ______.

<p>accidents</p> Signup and view all the answers

Assign colored tags for a newly maintained sewing machine.This will make the user be aware of its present ______.

<p>condition</p> Signup and view all the answers

Provide a small bin for your garbage when performing this ______.

<p>job</p> Signup and view all the answers

Always refer to the sewing machine service manual for accurate application of ______.

<p>procedure</p> Signup and view all the answers

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