*TB 33- Air Chisel Flashcards Preview

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Flashcards in *TB 33- Air Chisel Deck (17):
0

The air chisel under continuous use will last how long with a 60min SCBA bottle?

4 minutes

1

The air chisel will cut through mild steel plate up to a ___ inch thick

1/4"

2

The air chisel will cut through mild steel bolts up to an ___ inch in diameter

3/4"

3

Will cutting operations with the air chisel produce sparks?

No

4

How long are the two sections of air hose?

25ft sections

5

The different air chisel regulators are preset to what psi?

140

6

Once the system is setup, how much psi will be supplied at the chisel through the two 25-foot sections of air hose?

100psi

7

Can you adjust the regulators of the air chisel?

No

8

When can the air chisel system be connected to the air compressor system of an apparatus?

Never

9

After each use, how many drops of Air Motor Lubrication Oil #288 should be used to lubricate the gun?

2

10

After adding lubrication oil to the air chisel gun, how long should you operate the gun to ensure proper lubrication?

1-2 seconds

11

What safety precaution must be done anytime you are changing bits?

Disconnect the air supply

12

What other sources of compressed air can be used to supply the air chisel?

None, only LAFD SCBA bottles

13

Can the chisels be used to break or cut glass?

No

14

Air chisel:

The Meco regulator is designed to have a maximum intake pressure of ____ psi.

6000

15

Air chisel:

The Norgren regulator is designed to have a maximum intake pressure of ___ psi

3000

16

Pressure in excess of ___ psi to the air chisel will not improve the performance of the tool. It will however, reduce the working time of the air cylinder and possibly damage what?

100 psi

The "o" ring

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