Term
What two hazards are unique to the rotary saw? |
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Definition
Blade continues to spin long after the throttle is released. Gyroscopic effect |
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Term
How far can the rotary saw throw sparks? |
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Definition
Hot sparks can be thrown up to 15 feet |
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Term
What diameter blade does the partner K1200 normally utilize? |
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Definition
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Term
The blades for the rotary saw are available in what types? |
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Definition
carbide tip-wood/ abrasive-masonary and metal/ diamond blade-concrete |
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Term
The wood cutting blade is made up of what? and its uses are? |
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Definition
tempered metal blade, carbide tipped used for cutting ciomposition roofing material, wood, and lexan. also used on light sheet metal, doors |
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Term
When do you send the carbide tip blade in for repair or replacement? |
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Definition
if a missing tip or visible radius appears. |
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Term
If an electrical hazard exists what special precation shall be worn? |
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Definition
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Term
Abrasive blades are reinforced with what for longer wear and strenght? |
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Definition
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Term
Abrasive blades must be rated for what spindle speed? |
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Definition
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Term
Abrasive bladed must be sanwiched between what to take up any irregularities in thickness? |
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Definition
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Term
When shall blades be abrasive blades be replaced? |
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Definition
9" on 12" blade and 11" on 14" blades |
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Term
How can you identify a masonary blade? |
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Definition
Masonary blades have a white or silver stripe. |
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Term
How do you exted the life of a masonry blade? |
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Definition
apply water on the work surface. |
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Term
How can you identify a Metal cutting blade? |
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Definition
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Term
What are the two types of abrasive blades? |
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Definition
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Term
What are abrasive blades made of? |
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Definition
Grit and reinoid epoxy agents specially formulatedto cut specific materials |
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Term
What size does the diamond blade come in? |
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Definition
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Term
Diamond blades are made of what? |
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Definition
synthetic diamond material fastened to outer edge? |
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Term
How should the blade be mounted for best results as a rescue saw? |
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Definition
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Term
The blade mounted in the inboard position is optimum for what? |
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Definition
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Term
How can you prevent the blade from binding during cutting operations? |
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Definition
enter all cuts at full rpms, and always cut in a straight line. |
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Term
What are the main reasons this saw is not used during ventilation operations? |
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Definition
limited reach, and gyroscopic effect also the in ability to fell the structural members. |
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Term
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Definition
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Term
What should be done if the composition blade gets contaminated with a petrolium product? |
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Definition
send it to S&M for replacement. |
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Term
What type of pulling motion shall be used to start the saw? |
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Definition
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Term
If going to use saw in smokey environment, what should you do? |
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Definition
start the saw in clear conditions and allow it to warm up. |
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Term
The rotary saws daily checks are? |
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Definition
fuel level/ blade for sharpness/ blade guard for damage/ belt for tension/ visual inspection of saw for loose nuts and bolts/ check contols for correct starting position/ carring strap and hooks for condition |
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Term
Weekly checks include what? |
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Definition
start the saw operate until warm/ rev at full rpm to ensure the blade runs true/ listen for abnormal sound |
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Term
What is the spark plug gaped at on the partner saw? |
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Definition
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Term
If a tabnk of fuel has not been used in ____ days what should be done? |
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Definition
30 days, drain fuel and replace |
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Term
what fuel mixture is used in the saw? |
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Definition
50:1/ divide 128 ounces (1 gallon) by 50 to get corect ounces. 128/50=2.56ounces of mix for 1 gallon of fuel. |
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Term
Abrasive blades shall not be forwarded for replacement until the diameter is? |
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Definition
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Term
What are the blade dimension allowable for emergency ops? |
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Definition
12" for partner or 10" for homelite |
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Term
Starting procedures for rotary saw? |
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Definition
pull cord until pawls are engauged/ use short quich pulls/ if saw fires but does not continue to run/ move choke to half run/ when engine fires squeeze and release trigger immediately, do not run saw with trigger in the latched position. |
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Term
Flooded starting procedures? |
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Definition
place saw in off position/ place saw on its side, exhaust side down/ put choke in off position, push it in/ pull starter cord 4-5 times, to clear fuel from cylinder, place saw in on popsition and use starting procedures |
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Term
What type of blanket may be used to protect victims from sparks? |
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Definition
Aluminized ceramic blanket |
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Term
What is used to carry spare blades? |
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Definition
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Term
A clogger muffler creates what problems? |
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Definition
high back pressure results in incomplete combustion can cause overheting, hard starting, loss of power, fouled plugs |
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