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Flashcards in Portable Power Saw Deck (51):
1

Carbide Tip Blades cut ...?

grave and tar covered roofs
-wood flooring
-LIGHT SHEET METAL
-similar material

Do NOT use on - metal security doors, auto bodies, metal window bars and case hardened locks

life span of blade is SHORT

2

ALUMINUM OXIDE Blades (abrasive disc)

-various types of STEEL, including auto bodies
-metal security doors/metal window bars

3

SILICON Blades (abrasive disc)

-concrete and masonry

4

SILICON Blades (abrasive disc)

-concrete and masonry

5

Fuel tank sufficient for ?

20-30 minutes of CONTINUOUS OPERATION
-gas and oil mixture

6

Inspection and Maintenance ...

-beginning of each tour
-belt adjustments/visual inspection-weekly at MUD and after every cutting operation

-test saw in safe area
-shake VIGOROUSLY to mix fuel/oil
-allow saw to run for 10-20 seconds after starting and 10-20 seconds full RPM

7

If blade continues to spin at LOW IDLE?

PLACE OOS
Tech Services

8

Return Carbide Blade when?

8 or more tips are missing OR BROKEN, or worn down to circumference of blade

9

Return Aluminum oxide blade when?

-cracked or BADLY nicked
-center hole wears out of round
-blade is worn down to 8" diameter or less

Blades must be kept tight when on saw

Engine should not be run without air filter

10

Return Aluminum oxide blade when?

-cracked or BADLY nicked
-center hole wears out of round
-blade is worn down to 8" diameter or less

Blades must be kept tight when on saw

Engine should not be run without air filter

11

V-Belt Pulley...

too tight- damage to clutch bearing/stalling of motor when blade is stopped

too lose-slipping

12

V-Belt Pulley...

too tight- damage to clutch bearing/stalling of motor when blade is stopped

too lose-slipping

13

Have a plan of action ?

BEFORE starting the saw:
-location and sequence of cuts and openings
-wind direction-effect on exposures and men
-safe means of egress

14

Have a plan of action ?

BEFORE starting the saw:
-location and sequence of cuts and openings
-wind direction-effect on exposures and men
-safe means of egress

15

Whenever POSSIBLE, team of 2 members should perform cutting operations...

-complete fire clothing
-gloves on and goggles in place...should be attached to saw carrying handle

16

Guide can assist Operator by...

-hold metal snap portion of life belt or safety harness worn by the operator for guidance
-may also use CARRYING SLING

17

Guide and Operator physical communications?

ONE SLAP on back- STOP CUT

TWO SLAPS on back- CUT

THREES SLAPS on back- shut down saw

18

Guide and Operator physical communications?

ONE SLAP on back- STOP CUT

TWO SLAPS on back- CUT

THREES SLAPS on back- shut down saw

19

Circle of Danger?

20 foot radius ....MEASURED FROM POINT WHERE THE BLADE OF SAW IS IN OPERATION

-ONLY OFFICER (chain saw is only operator and guideman), OPERATOR and GUIDEMAN

20

Circle of Danger?

20 foot radius ....MEASURED FROM POINT WHERE THE BLADE OF SAW IS IN OPERATION

-ONLY OFFICER (chain saw is only operator and guideman), OPERATOR and GUIDEMAN

-Operator should not bring a "live saw" into a position that puts other members within Circle of Danger

ALL MEMBERS in IMMEDIATE area (20 ft) of cutting ops shall wear full PPE...also applies while testing the saw or drills...

Wear safety goggles and eye shields DOWN

21

Circle of Danger?

20 foot radius ....MEASURED FROM POINT WHERE THE BLADE OF SAW IS IN OPERATION

-ONLY OFFICER (chain saw is only operator and guideman), OPERATOR and GUIDEMAN

-Operator should not bring a "live saw" into a position that puts other members within Circle of Danger

ALL MEMBERS in IMMEDIATE area of cutting ops shall wear full PPE...also applies while testing the saw or drills...

Wear safety goggles and eye shields DOWN

22

Circle of Danger?

20 foot radius ....MEASURED FROM POINT WHERE THE BLADE OF SAW IS IN OPERATION

-ONLY OFFICER (chain saw is only operator and guideman), OPERATOR and GUIDEMAN

-Operator should not bring a "live saw" into a position that puts other members within Circle of Danger

ALL MEMBERS in IMMEDIATE area of cutting ops shall wear full PPE...also applies while testing the saw or drills...

Wear safety goggles and eye shields DOWN

23

When present____should control saw operations?

OFFICER

24

BEFORE moving from one position to anther...

DISENGAGE CLUTCH...RELEASE TRIGGER...PLACE BLADE ON FLAT SURFACE TO STOP BLADE FROM SPINNING.....keep blade on surface and ROLL saw to next assignment...guide will hold operator and the two should proceed in unison...

25

BEFORE moving from one position to anther...

DISENGAGE CLUTCH...RELEASE TRIGGER...PLACE BLADE ON FLAT SURFACE TO STOP BLADE FROM SPINNING.....keep blade on surface and ROLL saw to next assignment...guide will hold operator and the two should proceed in unison...

-when maneuvering over obstacles, hoselines, etc...return saw blade to surface ASAP

26

BEFORE moving from one position to anther...

DISENGAGE CLUTCH...RELEASE TRIGGER...PLACE BLADE ON FLAT SURFACE TO STOP BLADE FROM SPINNING.....keep blade on surface and ROLL saw to next assignment...guide will hold operator and the two should proceed in unison...

-when maneuvering over obstacles, hoselines, etc...return saw blade to surface ASAP

27

The saw should _____be shut down when unattended?

ALWAYS

-shut down when moving to distant areas...level to level

GUNNING the saw while OPERATOR is standing by or moving to a new position is NOT PERMITTED

28

The saw should _____be shut down when unattended?

ALWAYS

-shut down when moving to distant areas...level to level

GUNNING the saw while OPERATOR is standing by or moving to a new position is NOT PERMITTED

29

Saw cut should be as deep as necessary...

Saw should NEVER be forced

30

Saw cut should be as deep as necessary...

Saw should NEVER be forced

31

When saw is used on OTHER THAN HORIZONTAL SURFACE...

blade guard should be moved and secured to protect operator

ONLY DIRECT ORDER/SUPERVISION of OFFICER

32

When saw is used on OTHER THAN HORIZONTAL SURFACE...

blade guard should be moved and secured to protect operator

ONLY DIRECT ORDER/SUPERVISION of OFFICER

33

REFUELING?

NEVER refuel while saw is running
-tilt saw away from engine
-use funnel
-engine may be hot

34

When is the only time the saw is lifted with BLADE TURNING?

when starting or completing a cut

35

When is the only time the saw is lifted with BLADE TURNING?

when starting or completing a cut

36

Boxer stance...

18-20 INCHES apart

37

Boxer stance...

18-20 INCHES apart

38

Initial Cut...

Carbide blade- rev up saw-FULL RPM BEFORE contacting material...maintain full RPM while cutting

Abrasive Disc--low speed before contact...speed gradually increased as disc cuts into the material...then to full throttle

39

Initial Cut...

Carbide blade- rev up saw-FULL RPM BEFORE contacting material...maintain full RPM while cutting

Abrasive Disc--low speed before contact...speed gradually increased as disc cuts into the material...then to full throttle

40

Operators feet is NEVER Placed BETWEEN?

2 CUTS

41

Operators feet is NEVER Placed BETWEEN?

2 CUTS

42

Beams run the ____side of building, usually ____on center?

SHORT SIDE
16"

43

Beams run the ____side of building, usually ____on center?

SHORT SIDE
16"

-roof boards run perpendicular to beams, usually front to rear

44

Good indication of cut on a beam?

SPARKS
-move saw to INSIDE of cut

If resistance is met while cutting perpendicular to beams, lift saw, continue cut, but avoid a deep cut into beams

45


Roof:
Beams run the ____side of building, usually ____on center?

SHORT SIDE
16"

-roof boards run perpendicular to beams, usually front to rear

46

Good indication of cut on a beam?

SPARKS
-move saw to INSIDE of cut

If resistance is met while cutting perpendicular to beams, lift saw, continue cut, but avoid a deep cut into beams

47

A____hook , brought to roof of taxpayer can be used efficiently to push down double ceilings, open returns?

10 FOOT hook

48

Examining cockloft, preferably by?

OPENING CEILINGS on Top floor

-If this is not possible, TRIANGULAR openings on roof (size of saw blade)

49

Examining cockloft, preferably by?

OPENING CEILINGS on Top floor

-If this is not possible, TRIANGULAR openings on roof (size of saw blade)

50

Saw Sling MUST be removed before starting saw

Silicon Carbide Blade- BOTH sides painted YELLOW

51

Saw Sling MUST be removed before starting saw

Silicon Carbide and Aluminum OXIDE Blades are similar looking:

Silicon Carbide Blade- BOTH sides painted YELLOW

Aluminum Oxide is unpainted