Tools 24 Chain Saw Flashcards

0
Q

What clothing must the operator of a chain saw and the control person wear at op

A
Long sleeve work duty shirt or bunker coat 
Helmet 
Eye protection 
Ear protection 
Saw protected gloves 
Bunker boots
Saw protected chaps
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1
Q

You should never use a chain saw to vent or overhaul at a structural fires?

A

False may be used a pier fires

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2
Q

Starting chain saw procedure

A
  1. Hold saw down on clear surface
  2. Keep body to left of the chain .. Never straddle the saw or lean across
  3. Hold the front handlebar on top behind guard with left hand
  4. Pull starter with straight up with right hand

Notes always hold with both hands when running
Stand to left of chain saw never use cross handed grip
Proper grip.. Fingers encircled the handle with thumb wrapped around the opposite side from fingers

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3
Q

May you cut above chest high

A

No never

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4
Q

When cutting on slope chain saw operator should stand where ?

A

Always stand on the uphill side of the tree/log when cutting

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5
Q

What is a kerf

A

The space left behind the cutting blade as it cuts

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6
Q

When does pull- in occur when using chain saw

A

When chain on bottom of bar suddenly stops
When cutting downward

Notes occurs often when bumper spike is not held securely against tree and when the chain not rotating at full speed before it contacts wood

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7
Q

When does pushback occur

A

When cutting on the underside of log or limp with top of saw blade

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8
Q

The circle of danger when using the chain saw is

A

10 foot radius
Only saw operator and control man allowed in circle of danger

Officer should be outside 10 foot radius circle of danger if possible in a position to permit visual contact with the control person

Hands signals must be used between operator control member and officer

Saw refueling area outside circle of danger

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9
Q

What is the most dangerous kick back zone on chain saw

A

Upper 90 percent quadrant

Never make plunge cuts with tip of blade

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10
Q

When cutting a log keep chain parallel to the ground and cut straight through until you reach

A

Cut to the point 3/4 the width of log then remind the saw

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11
Q

Wood on the ground or standing timber which is under tension has first to be cut on ________ side . thereafter the cross gut must be finished on _______side.

A

Compression first

Tension next

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12
Q

Saws are to be examined and tested

A

Weekly as established by company commander

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13
Q

When transporting refueling or performing maintenance the saw must be in

A

OFF Position

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14
Q

If saw continues to spin at idle them

A

Place saw Oos

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15
Q

Carry the saw with the guide bar to the _____ when climbing _______. And to the ________ when going ______

A

To the rear when climbing uphill

To the front when downhill

Note safety brake on when transversing uphill, downhill and on uneven stufaces

16
Q

Air filters on chain saws shall be examined

A

After each cutting op

Clean after each use choke to on position before cleaning

17
Q

When replacing the chain of bar assembly on all chain saws the chain brake has to be

A

In off position . Before removal of side cover

18
Q

To avoid pull-in with chain saw

A

Keep bumper spike in contact with wood

19
Q

Chain Saw refueling will take place where

A

Outside circle

20
Q

When chains of chain saw need resharping unit is to

A

Forward to tech services with rt-2