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truck > *TB 44- Rotary Saw > Flashcards

*TB 44- Rotary Saw Flashcards

1
Q

What two unique hazards make the rotary saw a dangerous tool?

A
  1. Blade continues to spin after throttle is released

2. Gyroscopic effect

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2
Q

How far can hot sparks be thrown from a rotary saw?

A

Up to 15 feet

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3
Q

The partner saws normally use what diameter cutting blade?

A

14 inch

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4
Q

What three types of blades can be used on the rotary saw?

A
  1. Carbide tipped blades
  2. Abrasive wheels
  3. Diamond blades
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5
Q

Which of the three types of blades should you avoid cutting metal with?

A

Diamond blade, it will reduce the life of the blade

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6
Q

Which blade should only be used for emergency operations?

A

Diamond blade

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7
Q

The cutting blade and guard should be mounted in what position to make cuts close to walls, floors ect?

A

Outboard position

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8
Q

The cutting blade and guard should be mounted in what position to make ventilation holes?

A

Inboard position

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9
Q

What can used as a depth gauge when using the rotary saw for ventilation purposes?

A

The blade guard

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10
Q

What part if the saw is most likely to be damaged when binding occurs?

A

The belt

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11
Q

What tool should be carried with the rotary saw to facilitate adjustment of the belt or provide blade change?

A

Combination wrench

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12
Q

Checking the belt tension is a daily, weekly or monthly check?

A

Daily

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13
Q

Checking the blade guard for damage is a daily, weekly or monthly check?

A

Daily

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14
Q

Checking the saw for loose nuts and bolts is a daily, weekly or monthly check?

A

Daily

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15
Q

Checking the spark plug condition and gap is a daily, weekly or monthly check?

A

Monthly

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16
Q

How much clearance should the spark plug for the Partner saw have?

A

.020”

17
Q

Inspecting the engine case for cracks or leaks is a daily, weekly or monthly check?

A

Monthly

18
Q

Checking the belt condition is a daily, weekly or monthly check?

A

Monthly

19
Q

How often should you replace unused fuel in the rotary saw?

When is this check done?

A

30 days

During monthly checks

20
Q

When should the the air filter be checked for accumulation of debris and fiber condition?

A

After each use

21
Q

What shall not be used to clean molten tar from the heads and fins of the rotary saw engine?

A

Water

22
Q

When should the blade guard be cleaned?

A

After each use

23
Q

How should all abrasive dust be removed from the rotary saw?

A

With compressed air

24
Q

What is the minimum diameter of blade that can be carried on the Partner saw for emergency operations?

A

12”

25
Q

When blades are worn beyond the recommended mounting requirements, what can they be used for?

A

Training/drills

26
Q

When should abrasive blades be sent in to S&M for exchange?

A

Diameter is 9” or less

Blade is damaged

27
Q

Blades which have been damaged and are no longer safe for use shall be marked with a F-175 Tag and the word _____ shall be marked on the blade before forwarding for replacement.

A

Unsafe

28
Q

Abrasive blades must have a spindle speed rating of how many RPMs?

A

5,000 rpm or higher

29
Q

What product should be stored away from rotary saw composition blades?

A

Petroleum

30
Q

In warm weather, the rotary should start after how many pulls?

A

1-5

31
Q

When de flooding a rotary saw, how should you place the saw on the ground?

A

Exhaust side down

32
Q

When de flooding a rotary saw, how many pulls are needed to clear the cylinder of fuel?

A

4-5 times

33
Q

If blade or belt does not turn when the throttle is engaged, the condition of ______ needs to be checked.

A

Centrifugal clutch

34
Q

What are the stated procedures to prevent the blade from binding during cutting operations?

A
  1. Adjust blade guard to control cutting depth.
  2. Enter all cuts at full rpm.
  3. While cutting vertical surfaces, make certain blade is kept at right angle to surface.
  4. Always cut in straight line (do not twist saw to, either side).
  5. Release throttle and immediately remove blade from cutting surface if binding occurs to avoid belt damage
35
Q

What is the proper way to clean the air filter for the rotary saw?

A

To remove trapped debris, tap the filter gently on the palm of your hand. Compressed air or solvents SHOULD NOT be used to clean paper filters.

36
Q

Rotary saw Daily, weekly or monthly?

Remove the cutting blade and check the bearings on the arbor, also check blotter

A

Monthly

37
Q

What safety equipment shall be used when operating a rotary saw

A

Helmet, gloves, googles

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