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Engineer Written > TB 032 - Chain Saw > Flashcards

TB 032 - Chain Saw Flashcards

1
Q

The following safety equipment shall be used in conjunction with chain saw operations at all times:

A
  1. Gloves
  2. Goggles
  3. Helmet
  4. Turnout coat or brush jacket
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2
Q

If an electrical hazard is suspected or exists, _____ _____ shall be used.

A

gauntlet gloves

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3
Q

What are the two ways that a chain brake is engaged:

A

manual and automatic.

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4
Q

the chain brake engages within ____ of a second.

A

1/10

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5
Q

Some chain saws are equipped with an ______ operated chain brake that engages whenever a violent movement of the chain saw occurs.

A

inertia

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6
Q

Cutting is an operation involving a minimum of two members: the _____ and ______ person.

A

the operator and safety person.

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7
Q

The primary responsibilities of the safety person is to:

A
  1. Alert the operator of changing or unsafe conditions
  2. Prevent injury.
  3. Assist the operator who is backing up while involved in cutting operations.
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8
Q

Since a running chain saw creates a serious communication problem, the safety member will have to use ____ or _______ to communicate effectively.

A

gestures or “body language”

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9
Q

The safety member must maintain contact with the operator ______

A

at all times.

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10
Q

An effective way for the safety member to remain in contact with the operator is to use an __________ grip on an axe scabbard belt, B/A frame/webbing, etc.

A

UNDERHANDED

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11
Q

Refueling of chain saws shall be done in a ___________

A

well ventilated area.

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12
Q

NEVER refuel chain saws ______ or ________

A

indoors or in quarters.

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13
Q

the chain saw can be used to _____ or _____ rafters or joists.

A

“feel or read”

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14
Q

The length of the chain saw from tip to handle is comparable to a _________ of average length.

A

pickheaded axe

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15
Q

Plan the ventilation hole so that the ventilation team is always working toward a safe means of _______/_______ from the fire.

A

egress and/or away

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16
Q

An advantage of the chain saw is the operator’s ability to _____ the work.

A

“feel”

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17
Q

When used to locate structural members, the chain saw should be held in an _______, ________ to the roof’s surface.

A

upright position, perpendicular

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18
Q

Safe depth of cut will depend on four factors:

A
  1. Type of construction
  2. Thickness of roof covering
  3. Thickness of decking
  4. Intended operations
19
Q

Saws with automatic oilers should be adjusted for _______ oiling.

A

maximum

20
Q

Manual oilers should be depressed a minimum of once every ___ seconds under light conditions.

A

10

21
Q

When used under ______ conditions (several layers of roofing material), manual oilers should be depressed more often.

A

extreme

22
Q

Do not use _______ as a cleaning solvent.

A

gasoline

23
Q

Carbide-tipped chains used on this Department are resistive to _____ but subject to _______.

A
  • dulling

- chipping

24
Q

it will be necessary to replace the chain when:

A
  1. Missing/damaged tips on 3 or more cutters in a row.
  2. Missing /damaged tips on 6 or more cutters at random.
  3. Cracked/broken tie straps
  4. Dull chain
25
Q

Dull chains should be replaced when a radius on the cutting edge is _______________.

A

visible to the naked eye

26
Q

_______ must be checked before, during, and after use.

A

Tension

27
Q

Daily Checks

A
  1. Check fuel level. Add mixed fuel if necessary.
  2. Check lubricating oil level. Add if necessary.
  3. Check chain condition, tension, and proper direction of travel.
  4. Check controls for proper starting position.
  5. Check carrying strap and hooks for condition.
  6. Check gauntlet gloves for proper location and condition.
  7. Make a visual check of tile chain saw for loose fasteners and/or covers.
28
Q

Weekly Checks

A
  1. Perform daily checks.
  2. Start chain saw.
  3. Depress manual oiler several times if chain saw is so equipped.
  4. Run up RPM by alternately depressing and releasing throttle trigger. Run until warm.
    CAUTION
    Do not run chain saw at full RPM without load for more than a few seconds or engine damage may result,.
  5. Check to see if chain is oiling properly.
  6. Place chain saw on firm surface. At idle speed, engage chain brake. Improper chain brake operation shall be reported to the shops.
  7. Shut off chain saw and allow to cool.
  8. Check chain tension and readjust if necessary.
  9. Inspect starter cord for fraying and contamination. Inspect security of starter cord handle.
  10. Top off fuel and chain lubricating oil levels if necessary.
29
Q

Monthly Checks

A
  1. Perform daily checks
  2. Remove spark plug. Check gap and condition. Clean, regap or replace if necessary.
    NOTE
    Proper spark plug gap can be determined by reviewing owner’s manual specifications or contacting the shops.
    Always have a spare spark plug available for use.
  3. Inspect engine case for cracks and/or leaks.
  4. Inspect the fuel assembly for leaks, cracks or soft fuel lines. DO NOT operate chain saw if a fuel leak exists.
  5. If a tank of fuel has not been used in the previous 30 days, drain fuel and refill with fresh fuel mix.
  6. Remove air cleaner housing. Check air cleaner for tears and general condition.
  7. Inspect security of carburetor and all linkage.
30
Q

Petroleum based solvents, including kerosene, used to clean tar from chain saw parts shall not be applied in ______ form.

A

atomized

31
Q

STIHL 038 MAGNUM weight.

A
  • Weight 19 lbs.
32
Q

Clutch engages at ____ rpm

A

3,000

33
Q

____ cubic inch engine

A

4.4

34
Q

___ kilowatt of power developed at ______ rpm

A
  • 3.5

- 9,000

35
Q

_____ horsepower

A

4.69

36
Q

Idles between _____ rpm and _____ rpm

A

2,400-2,600

37
Q

Latch throttle position develops _____ rpm

A

7,000

38
Q

Chain _________ is regulated by am oil quantity control bolt

A

lubrication

39
Q

There are ______ important functions than must be performed prior to disassembling the chain saw.

A

three

40
Q

There are three important functions than must be performed prior to disassembling the chain saw. What are they?

A
  • if your truck company does not have a second chain saw, remember to place the wood cutting blade on the rotary saw and notify company personnel.
  • note the position of the guide bar and invert it when reassembling.
  • place the ignition switch to “off” for the cleaning process.
41
Q

Petro-based solvent must not be applied in _____ form.

A

atomized

42
Q

If the chain is still in satisfactory condition, soak it in _______ before replacing on the saw.

A

engine oil

43
Q

When cleaning the chain saw Inspect chain sprocket for grooves exceeding ____ in depth.

A

1/16”

Engineer Written (33 decks)

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