Portable Power Saws Flashcards
Aluminum oxide blades will cut?
- through various types of steel including auto bodies, metal security doors, metal window bars
Carbide tip blades will cut?
- Through gravel
- Tar covered roofs
- Wood flooring
- light sheet metal
- not used on metal
Silicon carbide blades will cut?
- Through concrete and other masonry materials
Fuel tank is sufficient for?
20-30 minutes continuous running
Proper fuel mixture?
4.8 ounces or partner engine oil to one gallon fresh gasoline
Belt adjustments, including a visual inspection of the belt should be done?
Weekly at MUD and after every cutting operation
When starting, which foot goes in the control guard?
Left
Once the saw is started:
1) disengage trigger lock
2) allow saw to run 10-20 seconds
3) slowly bring rpm to full throttle and let saw run full throttle for additional 10-20 seconds
4) remove finger and let blade stop turning
Technical Service Division for repairs when:
- Blade continues to spin
- When 8 or more tips are missing/broken from carbide tip or worn down to circumference of the blade
- Aluminum oxide or Silicon blade when cracked or badly nicked, center hole wears out of round, or blade is worn down to 8” diameter or less
Engine should not be run without an?
Air filter
Guide mans meaning of 1 Slap, 2 Slap, and 3 slap of operator?
1 Slap = Stop Cut
2 Slaps = Cut
3 Slaps = Shut Down Saw
Circle of Danger is?
- 20 foot radius is the Circle of danger
The circle of danger shall be measured in all directions from?
From the point where the blade of yhe saw is in operation
Who is allowed in the circle of danger?
Only the OFFICER, GUIDE MAN, and OPERATOR
When a love saw is unattended?
Must AlWAYS be shut down when unattended
Stance for normal cutting should be the Boxer Stance, in which your feet are how many inches apart?
18” - 20”
Beginning RPM’s for blades?
1) Carbide Tip = Dull RPM
2) Aluminum OXIDE & Silicon Carbide = gradually increase RPM
Coffin cut sequence?
Cut 1 = 3 feet approx
Cut 2 = knock out corner cut
Cut 3 = 6 feet approx
Cut 4-7 = 3 feet approx
On a saw what maintenance can be performed by units?
1) Change spark plugs
2) change blade
3) refuel tank
4) change and adjust belt
5) clean exterior of saw
6) change the air filter
Color Code for Silicone Carbide Blade
Yellow on both sides
Color Code for Aluminum Oxide blades?
Unpainted
What hook should be brought to the roof of a taxpayer?
10’ hook to push down double ceilings, open returns etc
