Small Gears

7/28/2019 Small Gears

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SMALL GEARS

OBJECTIVE

Learning Outcome 11 Identify Small Gears.

Assessment Criteria 1111.1 State categories ofsmall gears.

11.2 List out the Striking Tools and purpose.

11.3 List out the Cutting Tools and purpose.

11.4 List out the Prying Tools and purpose.

11.5 List out the Pushing/Pulling Tools and purpose.

REFERENCES

a. Essential for Firefighting 4th Edition.b. Fundamentals of Fire Fighter Skill.


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SMALL GEARS

INTRODUCTION

Fire fighters use tools and equipment to perform a wide range of activities. A firefighter must know how to use tools effectively, efficiently, and safely, even when it is dark or

visibility is limited. This chapter provides an overview of the general functions of the mostcommonly used tools and equipment and discusses how they are used during firesuppression and rescue operations. The same tools may be used in different ways duringeach phase of fire suppression or rescue operations.

TYPES OF SMALL TOOLS

There are various types of equipment used to rescue any were categorized asappropriate tasks can be done. The equipment are as follows:

a. Solver tool (Striking Tool).

b. Tool (Cutting Tool).

c. Pry tool (Prying Tool).

d. Tools Reject / Interest (Pushing / Pulling Tool).

STRIKING TOOLS

Striking tools are used to apply an impact force to an object.They are often used togain entrance to a building or a vehicle or to make an opening in a wall or roof.They can alsobe used to force the end of a prying tool into a small opening. Specific use of these tools will

be covered in Forcible Entry. Striking tools include:

a. Sledgehammer. Used to break the wall of the building, the floorconcrete and as a tool to impact on other support equipment in accordanceappropriate weight. Available in different sizes such objections 3.6 kg, 5 kg and 7 kg.

Figure 1: Sledgehammer

b. Battering Ram. A heavy metal bar used to break down doors.

Figure 2: Battering Ram


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c. Pick. A type of hammer used as a tool to break the has a sharp nose forthe launch of a rescue job.

Figure 3: Pick

d. Flat Head Axe. A tool with a head that has an axe blade on one endand a flat head on the opposite end.

Figure 4: Flat Head Axe

e. Puncher and Chisel. A metal tool with one sharpened end that can

be used to break apart material in conjunction with a hammer, mallet, or sledgehammer.

Figure 5: Punch and Chisel

f. Padlock Remover and Persuader. This equipment is used to unlockthe padlock (padlock).


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Figure 6: Padlock Remover and Persuader

CUTTING TOOLS

Cutting tools have a sharp edge that severs an object. They come in several formsand are used to cut a wide variety of substances. Cutting tools used by fire fighters rangefrom knives or wire cutters carried in the pockets of turnout coats to seatbelt cutters, boltcutters (a scissors like tool used to cut through items such as chains or padlocks), saws,cutting torches (a torch that produces a high temperature flame capable of melting throughmetal), and hydraulic shears.

a. Pick Head Axe. This equipment is suitable used for cutting soft sheetmetal such as metalon the fuselage and so while the sharp end used to drill tostart cutting.

Figure 7: Pick Head Axe

b. Hand Crash Axe. Its purpose is the same such as Pick Head Axe.

Figure 8: Hand Crash Axe


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c. Flat Head Axe. Used for cutting roof made of zinc can be used tocut sheet metal as well as cutting soft wood frame and so on.

Figure 9: Flat Head Axe

d. Hand Saw. Used to cut the wood and there are also used to cut steel.

Figure 10: Hand Saw

e. Power Saw (Rotary / Circular, reciprocating and Chain Saw). it is thesame Hand Saw just like the engine or electrical power.

Figure 11: Chain Saw

f. Bolt cutter. Are most often used to cut through chains or padlocks to opendoors or gates. By concentrating the cutting force on a small area, you can breakthrough a chain in just a few seconds.


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Figure 12: Bolt Cutter

g. Quick Release Knife. Used to cut the 'strap' or 'safety belt'

passengers or crew.

Figure 13: Quick Release Knife

PRYING/SPREADING TOOLS

A third type of tool is used for prying or spreading. These tools may be as simple as apry bar or as mechanically complex as a hydraulic spreader. They also come in severalvariations for different applications. A simple pry bar consists of a hardened steel rod with atapered end that can be inserted into a small area. The bar acts as a lever to multiply theforce that a person can exert to bend or pry objects apart. A properly positioned pry bar canapply an enormous amount of force.Tools used for prying include:

a. Crowbar. A straight bar made of steel or iron with a forked-like chisel

on the working end.

Figure 14: Crowbar


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b. Claw bar. A tool with a pointed claw-hook on one end and a forked- orflat-chisel pry on the other end that can be used for forcible entry.

Figure 15: Claw Bar

PUSHING/PULLING TOOLS

A second type of tool is used for pushing or pulling. These tools can extend the reachof the fire fighter as well as increase the power that can be exerted upon an object. Thesetools have many different uses in fire department operations. It consists of;

a. Standard Pike Pole. Has two points that can be used to push or

pull and break.

Figure 16: Standard Pike Pole

b. Ceiling Hook. A tool with a long, wood or f ibreglass pole and a metal point

with a spur at right angles that can be used to probe ceilings and pull down plasterlath material.

Figure 17: Ceiling Hook

CONCLUSION

With this equipment it can identify fire fighters carry out their duties more effectiveand confident in using the right equipment and appropriate in accordance with work doneduring an emergency or accident.

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Small Gears