Training Bulletin 32 Chain Saw Flashcards
According to training bulletin 32, the started cord of the chain saw shall be checked how often?
Weekly
According to training bulletin 32, during extended cutting operations, how often shall the chain tension be checked?
Every few minutes
How much does the chainsaw weigh?
19 lbs
How many horsepower is the chainsaw?
4.69 HP
What is the spark plug gap on the chainsaw?
.020
What is the fuel capacity of the chainsaw?
Bar oil capacity?
Fuel- 1.69 pint
Bar oil- 0.7 pint
How many RPM does the chainsaw run at idle?
Centrifugal clutch engages at what RPM?
What is the max RPM?
Idles at 2500 RPM
Centrifugal clutch engages at 3,000 RPM
Max RPM- 7000
How fast does the chain brake engage?
1/10 of a second
What are the 3 ways the chain brake can be engaged?
1) Manual
2) Automatic
3) inertia (violent movement)
What is the maximum time the chainsaw can be run against the chain brake?
3 seconds
What should the chain brake never be used as?
A carrying handle
The chain of the chainsaw travels how fast?
4,000 feet per minute
How many teeth are on the chain of the chainsaw?
How many drive links?
32 teeth
65 drive links
When should tension of the chain on the chainsaw be checked?
1) before
2) after 5 minutes of use
3) after operation
Chain sprocket grooves on the chainsaw should not be more than how deep?
1/16”
What should not be used to clean the cooling fins of the chainsaw?
Water
Daily checks of the chainsaw?
- fuel
- oil
- chain
- starting position
- gauntlet gloves
- carry straps and hooks
- loose fastener and cover
Weekly checks of chainsaw?
- daily checks
- run saw
- chain brake
- chain tension
- lube prop
- starter cord
Monthly checks of chainsaw?
- daily checks
- spark plug gap .020
- engine case for cracks or leaks
- fuel assembly for leaks
- air cleaner
- carburetor and linkage
- fuel dump if not run in 30 days
According to TB 32, chainsaw, what is the minimum number of members needed for a cutting operation?
Minimum 2 members
According to training bulletin 32, chainsaw, what are the 4 factors that determine the safe depth of your cuts?
1) type of construction
2) thickness of roof covering
3) thickness of decking
4) intended operation
How much pre mixed fuel is mixed into a gallon of gas?
2.6 oz will make 50:1 ratio
What are the 3 factors used to determine the cutting technique the ventilation team will use?
1) type of construction
2) extent and extension of fire
3) desired effect
According to training bulletin 32, chain saw, how many spare metric screws should be kept at the station?
5
When cutting a rock covered roof with the chainsaw, how much of the area should be cleared of rock before cutting?
Just where the cut begins
What is the maximum permissible speed of the chainsaw with bar and chain?
12,000 rpm
When cutting with the chain saw, at what degree shall the saw be held to the work area?
45 degree
