*TB 32- Chainsaw Flashcards
What are the two ways a chain brake is engaged?
- Automatic (inertia)
2. Manual
An automatic engagement of the hand brake happens how fast?
1/10th of a second
A cutting operation requires how many members minimum?
2
Is it ok to fuel a chainsaw indoors or in quarters?
No
The length of a cut with a chainsaw should not exceed the reach of what?
The ventilation tool (rubbish hook vs pick head axe)
When trying to de-flood a chainsaw, place the on/off switch to “off”. Should you then engage or disengage the choke? And then pull the starter cord how many times?
- Disengage
2. 4-5 times
Once the structural members (rafters, joists, etc.) have been located, the chain saw may be lowered to approximately ___ degrees to the cutting surface for continued cutting.
45 degrees
Can you fuel a hot chainsaw?
Yes, with extreme caution
Can you use gasoline as a cleaning solvent?
No
After use of a chainsaw and prior to storing back in the apparatus, is removing the air filter and checking it’s condition one of the required checks?
Yes
Once you have started cutting on a rock covered composition roof, is it necessary to clear rocks before advancing the chainsaw?
No, only when the first cut is made
If carbide tips become damaged, replace the chain when:
- Missing/damaged tips on ___ or more cutters in a row.
- Missing /damaged tips on ___ or more cutters at random.
- ?
- ?
- 3
- 6
- Broken tie straps
- Dull chain
Making a visual check of entire chain saw for loose fasteners and/or covers is a daily, weekly or monthly check?
Daily
Checking the operation of the chain brake is a daily, weekly or monthly check?
Weekly
Inspecting the starter cord for fraying and contamination and security of starter cord handle is a daily, weekly or monthly check?
Weekly
Checking the condition of the spark plug is a daily, weekly or monthly check?
Monthly
Inspecting the engine case and fuel lines is a daily, weekly or monthly check?
Monthly
Checking the air filter housing is a daily, weekly or monthly check?
Monthly
Particular cleaning attention should be paid to where on the chainsaw if soiled with molten tar?
Cylinder and head cooling fins
Can water be used to clean molten tar off a chainsaw?
No
Petroleum based solvents, including kerosene, used to clean tar from chain saw parts shall not be applied in _______ form.
Atomized (spray form)
Place the ignition switch to _____ for the cleaning process of the chainsaw.
Off
If a chain is still in satisfactory condition after cleaning, soak it in ______ before replacing.
Engine oil
When disassembling the chainsaw, inspect the chain sprocket for grooves exceeding _______ inch(es) in depth. Notify _____ if replacement is necessary.
- 1/16th
2. The shops
When disassembling the chainsaw, soak the air cleaner in _____ and blow dry.
Solvent
Solvent on the starter cord is ok?
No
Chainsaw:
To start the chainsaw, Pull starter cord JUST ENOUGH to engage the ______
starter pawls
What is the proper way to warm up a chainsaw prior to cutting?
by bringing RPM’s up to peak speed and then allowing them to drop off. Repeat this process several times
The safe depth of cut with a chainsaw will depend on what four factors?
- Type of construction
- Thickness of roof covering
- Thickness of decking
- Intended operations
What’s the proper way to clean an air filter for the chainsaw?
Soak in solvent and blow dry
What are the 4 items of PPE’s that shall be worn when operating a chainsaw?
- Helmet
- Gloves
- Googles
- TO coat or brush jacket
