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LT Promotion 24 > Lt Study Guide Rescue Saw > Flashcards

Lt Study Guide Rescue Saw Flashcards

1
Q

1) X- Torq reduces fuel consumption by ___ % and the emissions by up to __%

A

a. 20, 60

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2
Q

2) Easy start reduces the pull resistance on the starter cord by up to ___ %

A

40

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3
Q

3) The _____ is designed to prevent accidental operation of the throttle

A

a. Throttle trigger lock

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4
Q

4) If the cutting blade rotates when the throttle is in the idle position you should check the –

A

a. Carburetor’s idle adjustment

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5
Q

5) Your machine is equipped with a _____ that is designed to reduce ____ and make operation easier

A

a. Vibration dampening system, vibration

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6
Q

6) Check the vibration dampening units regularly for ___ or ____

A

a. Cracks or deformation

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7
Q

7) Cutting blades are available in two basic designs-

A

a. Abrasive and diamond

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8
Q

8) High- quality blades are often the most ____. Lower quality blades often have _____ cutting capacity and a ____

A

a. Economical, inferior, shorter service life

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9
Q

9) Make sure that the right ___ is used for the cutting blade to be fitted on the machine

A

a. Bushing

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10
Q

10) Cutting blades with a _____ shall never be used on this saw

A

a. Lower speed rating

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11
Q

11) The blade can become _____ and vibrate if an excessive ____ is used

A

a. Out of round, feed pressure

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12
Q

12) The cutting material on abrasive blades consist of ___ bonded using an ____ binder

A

a. Grit, organic

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13
Q

13) “_______” are made up of a fabric or fiber base that prevents _______ at maximum working speed if the blade should be cracked or damaged

A

a. Reinforced blades, total breakage

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14
Q

14) A cutting blades performance is determined by the type and size of abrasive ___, and the type and hardness of the _____

A

a. Corn, bonding agent

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15
Q

15) If when tapped lightly with a screwdriver the blade does not produce a ______ it is damaged

A

a. Resonant ringing sound

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16
Q

16) Diamond blades ensure _____, _____, and a constant _____

A

a. Lower cutting cost per operation, fewer blade changes, cutting depth

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17
Q

17) Diamond blades are ideal for ____, ____ and ____

A

a. Masonry, reinforced concrete, other composite material

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18
Q

18) Diamond blades are available in several _____

A

a. Hardness classes

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19
Q

19) Sharpen the blade by cutting into a soft material such as ______ or _____

A

a. Sandstone or brick

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20
Q

20) Working with a dull blade can cause _____ which can result in the _____ coming loose

A

a. Overheating, diamond segments

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21
Q

21) If the blade is allowed to get to hot this can result in loss of ____ or _____

A

a. Blade tensioning or core cracking

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22
Q

22) Dry cutting blades must be cooled with ____ around the blades, for this reason dry cutting blades are only recommended for _____ cutting. Every few seconds of cutting the blade should be allowed to _____

A

a. Air flow, intermittent, run free

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23
Q

23) Wet Diamond blades must be used with water to keep the ____ and ____ cool during sawing.

A

a. Blade core and segments

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24
Q

24) Water cools the blade and increases its _____ while also reducing the formation of ___

A

a. Service life, dust

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25
Q

25) Do not store or transport the power cutter with the –

A

a. Cutting blade fitted

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26
Q

26) Store cutting blades in ___, ____ conditions

A

a. Dry, frost free

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27
Q

27) If an abrasive blade is stored in ___ conditions it can cause an imbalance and result in injury

A

a. Humid

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28
Q

28) When the bade is replaced with a new one check the ___ and the ___

A

a. Flange washers, drive shaft

29
Q

29) Do not use ___, ___, ___ ,or ____ flange washers, do not use _____ of flange washers

A

a. Warped, notched, indented, dirty, different dimensions

30
Q

30) Cutting with the cutting head ____ should only be occur with cuts that are not possible in a standard manner

A

a. Reversed

31
Q

31) The lowest recommended octane of fuel is ____ if a lower octane grade is used so called ____ could occur

A

a. 87, knocking

32
Q

32) Never cut ____ materials

A

a. Asbestos

33
Q

33) Stand ____ to the blade, avoid standing ____

A

a. Parallel, straight behind

34
Q

34) Never cut above ____

A

a. Shoulder height

35
Q

35) Never cut from a ____, use a ___ or ___ if the cut is above shoulder height, do not ____

A

a. Ladder, platform or scaffold, overreach

36
Q

36) _____ is the sudden upward motion that can occur if the blade is pinched or stalled in the ____ zone

A

a. Kickback

37
Q

37) A _____ is always present when cutting, it pulls the machine in the opposite direction to the blade rotation

A

a. Reactive force

38
Q

38) Never use the ____ zone for of the blade for cutting, use the ____ of the blade to avoid climbing kickback

A

a. Kickback, lower quadrant

39
Q

39) Pinching is when the ____ and pinches the blade

A

a. Cut closes

40
Q

40) Avoiding kickback is simple – the work piece must always be ____ so that the cut stays ___ when cutting through

A

a. Supported, open

41
Q

41) Store the equipment in a ___ so it is out of reach of children and unauthorized persons

A

a. Lockable

42
Q

42) The ___ valve should always be used when starting

A

a. Decompression

43
Q

43) Press the air purge diaphragm until fuel begins to fill the diaphragm about __ times

A

6

44
Q

44) Grip handle with ___ hand, use ___ foot to hold machine down, use ___ hand to pull cord. Never wrap the ____ around your hand

A

a. Left, right, right, starter cord

45
Q

45) Clean the machine ___ by rinsing it with ____ after the work is finished

A

a. Daily, clean water

46
Q

46) If the machine is low on power, difficult to start or runs poorly at idle speed: always check the ____ first before taking other steps.

A

a. Spark plug

47
Q

47) If the spark plug is ___ clean it and ate the same time check that the electrode gap is ___mm, replace if ____

A

a. Dirty, 0.5, necessary

48
Q

48) These factors cause deposits on the spark plugs (2)

A

a. Incorrect fuel mixture
b. Dirty air filter

49
Q

49) For correct tensioning if the drive belt the _____ should be positioned ____ the marking on the belt cover

A

a. Square nut, opposite

50
Q

50) The tension of a new drive belt must be readjusted after –

A

a. One or two tanks of fuel have been used

51
Q

51) When the machine is equipped with a ____, a ____ sound can be heard from the bearing housing when the blade is turned by hand

A

a. Friction retarder, scraping

52
Q

52) When the drive belt is to be tensioned release the ____ holding the cutting arm

A

a. Bolts

53
Q

53) When the engine lacks power or accelerates poorly-

A

a. Check the air filter replace if necessary, contact authorized shop if it does not help

54
Q

54) The carburetor is equipped with ____ to ensure the machine always receives the correct mixture of fuel and air

A

a. Fixed needles

55
Q

55) Adjust the idle speed using the ___, first turn the screw clockwise until the blade starts to ___ , now turn the screw ____ until the blade ____

A

a. T-screw, rotate, anti-clockwise, stops rotating

56
Q

56) Recommended idle speed is ____ rpm

A

a. 2700

57
Q

57) The fuel filter cannot be cleaned but must be replaced when ___ or at least _____

A

a. Clogged, once a year

58
Q

58) Tensioning the recoil spring- first wind the cord __ times clockwise around the centre* of the starter pully, now pull the starter handle and in doing so tension the spring. Repeat the procedure once more but this time with ___ turns

A

a. 3, 4

59
Q

59) WARNING- Test the integrity of each new cutting blade by running it at full throttle for about __

A

a. 1 minute

60
Q

60) WARNING- Never use a diamond blade to cut ___ material

A

a. Plastic

61
Q

61) WARNING- Do not use _____ blades with water

A

a. Abrasive

62
Q

62) WARNING- Never use ____ blades such as ___ cutting blades, _____ blades, _____ blades etc.

A

a. Toothed blades, wood, circular toothed, carbide tipped

63
Q

63) WARNING- Move the machine at least ___ ft from the refueling point before starting it

A

10

64
Q

64) WARNING- The machine produces an ______ during operation which may interfere with active or passive medical implants

A

a. Electromagnetic field

65
Q

65) WARNING- The safety distance for the power cutter is ___ ft

A

50

66
Q

66) WARNING- The cutting blade continues to rotate up to a ____ after the motor has stopped

A

a. Minute

67
Q

67) A dirty or blocked air intake results in the machine ____ which causes damage to the ____ and ____

A

a. Overheating, piston and cylinder

68
Q

68) WARNING- Always be careful when changing the recoil spring or the starter cord always wear-

A

a. Protective googles

69
Q

69) The air filter must not be cleaned or blown clean with ____

A

a. Compressed air

LT Promotion 24 (20 decks)

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