Shared Flashcard Set

Details

0701
rotary saw
38
Other
Professional
08/30/2007

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Cards

Term
What two hazards are unique to the rotary saw?
Definition
Blade continues to spin long after the throttle is released. Gyroscopic effect
Term
How far can the rotary saw throw sparks?
Definition
Hot sparks can be thrown up to 15 feet
Term
What diameter blade does the partner K1200 normally utilize?
Definition
14
Term
The blades for the rotary saw are available in what types?
Definition
carbide tip-wood/ abrasive-masonary and metal/ diamond blade-concrete
Term
The wood cutting blade is made up of what? and its uses are?
Definition
tempered metal blade, carbide tipped used for cutting ciomposition roofing material, wood, and lexan. also used on light sheet metal, doors
Term
When do you send the carbide tip blade in for repair or replacement?
Definition
if a missing tip or visible radius appears.
Term
If an electrical hazard exists what special precation shall be worn?
Definition
gaunlet gloves
Term
Abrasive blades are reinforced with what for longer wear and strenght?
Definition
Fiber
Term
Abrasive blades must be rated for what spindle speed?
Definition
5000 rpms or higher
Term
Abrasive bladed must be sanwiched between what to take up any irregularities in thickness?
Definition
blade blotters
Term
When shall blades be abrasive blades be replaced?
Definition
9" on 12" blade and 11" on 14" blades
Term
How can you identify a masonary blade?
Definition
Masonary blades have a white or silver stripe.
Term
How do you exted the life of a masonry blade?
Definition
apply water on the work surface.
Term
How can you identify a Metal cutting blade?
Definition
by a green blotter label
Term
What are the two types of abrasive blades?
Definition
masonry and metal
Term
What are abrasive blades made of?
Definition
Grit and reinoid epoxy agents specially formulatedto cut specific materials
Term
What size does the diamond blade come in?
Definition
14"
Term
Diamond blades are made of what?
Definition
synthetic diamond material fastened to outer edge?
Term
How should the blade be mounted for best results as a rescue saw?
Definition
Outboard position.
Term
The blade mounted in the inboard position is optimum for what?
Definition
ventilation
Term
How can you prevent the blade from binding during cutting operations?
Definition
enter all cuts at full rpms, and always cut in a straight line.
Term
What are the main reasons this saw is not used during ventilation operations?
Definition
limited reach, and gyroscopic effect also the in ability to fell the structural members.
Term
How is the saw stored?
Definition
in the upright position.
Term
What should be done if the composition blade gets contaminated with a petrolium product?
Definition
send it to S&M for replacement.
Term
What type of pulling motion shall be used to start the saw?
Definition
short quick pulls
Term
If going to use saw in smokey environment, what should you do?
Definition
start the saw in clear conditions and allow it to warm up.
Term
The rotary saws daily checks are?
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
Term
Weekly checks include what?
Definition
start the saw operate until warm/ rev at full rpm to ensure the blade runs true/ listen for abnormal sound
Term
What is the spark plug gaped at on the partner saw?
Definition
.020
Term
If a tabnk of fuel has not been used in ____ days what should be done?
Definition
30 days, drain fuel and replace
Term
what fuel mixture is used in the saw?
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.
Term
Abrasive blades shall not be forwarded for replacement until the diameter is?
Definition
9" or less
Term
What are the blade dimension allowable for emergency ops?
Definition
12" for partner or 10" for homelite
Term
Starting procedures for rotary saw?
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.
Term
Flooded starting procedures?
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
Term
What type of blanket may be used to protect victims from sparks?
Definition
Aluminized ceramic blanket
Term
What is used to carry spare blades?
Definition
blade board
Term
A clogger muffler creates what problems?
Definition
high back pressure results in incomplete combustion can cause overheting, hard starting, loss of power, fouled plugs
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