*TB 44- Rotary Saw

Question 1

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

Answer 1

1. Blade continues to spin after throttle is released

2. Gyroscopic effect

Question 2

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

Answer 2

Up to 15 feet

Question 3

The partner saws normally use what diameter cutting blade?

Answer 3

14 inch

Question 4

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

Answer 4

1. Carbide tipped blades
2. Abrasive wheels
3. Diamond blades

Question 5

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

Answer 5

Diamond blade, it will reduce the life of the blade

Question 6

Which blade should only be used for emergency operations?

Answer 6

Diamond blade

Question 7

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

Answer 7

Outboard position

Question 8

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

Answer 8

Inboard position

Question 9

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

Answer 9

The blade guard

Question 10

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

Answer 10

The belt

Question 11

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

Answer 11

Combination wrench

Question 12

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

Answer 12

Daily

Question 13

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

Answer 13

Daily

Question 14

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

Answer 14

Daily

Question 15

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

Answer 15

Monthly

Question 16

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

Answer 16

.020”

Question 17

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

Answer 17

Monthly

Question 18

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

Answer 18

Monthly

Question 19

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

When is this check done?

Answer 19

30 days

During monthly checks

Question 20

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

Answer 20

After each use

Question 21

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

Answer 21

Water

Question 22

When should the blade guard be cleaned?

Answer 22

After each use

Question 23

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

Answer 23

With compressed air

Question 24

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

Answer 24

12”

Question 25

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

Answer 25

Training/drills

Question 26

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

Answer 26

Diameter is 9" or less Blade is damaged

Question 27

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.

Answer 27

Unsafe

Question 28

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

Answer 28

5,000 rpm or higher

Question 29

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

Answer 29

Petroleum

Question 30

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

Answer 30

1-5

Question 31

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

Answer 31

Exhaust side down

Question 32

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

Answer 32

4-5 times

Question 33

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

Answer 33

Centrifugal clutch

Question 34

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

Answer 34

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

Question 35

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

Answer 35

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.

Question 36

Rotary saw Daily, weekly or monthly? Remove the cutting blade and check the bearings on the arbor, also check blotter

Answer 36

Monthly

Question 37

What safety equipment shall be used when operating a rotary saw

Answer 37

Helmet, gloves, googles