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16 Cards in this Set
- Front
- Back
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Beam |
Sidepieces of ladder; support beams |
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2 types of Beams |
Solid or trussed |
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Dogs |
Devices that hold and lock the fly section in position when extended. Also called pawls or locks |
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Fly |
Section of extension or aerial ladder
Extends out of main or bed section
may be multiple |
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Guides |
Metal strips on an extension ladder which guides the fly section while it is being evaluated |
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Halyard |
The rope or cable used to elevate the fly of an extension ladder |
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Heat Sensor Label |
A label affixed to the ladder beam near the top and heel to provide a warning that the ladder has been subjected to excessive heat |
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Main section |
the bottom of extension or aerial ladder
also referred to as 'bed' |
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Poles |
Support Poles attached with swivels to the main section of long extension ladders and used to help guide and steady ladders during raising and lowering operations |
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Pulley |
A small grooved wheel used to guide halyard when raising or lowering fly |
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Rubber pads |
Found on collapsible attic ladders that have swivel type foot. It is designed to lay flat to help prevent slippage on smooth surfaces |
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Rungs |
Round crosspieces between beams |
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Spike |
A metal pin set into end of a pole |
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Stirrup |
A formed metal strap covering the heel of the be a, to prevent ladder from slipping |
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Stops |
Limiting devices that prevent the fly section from being overextended when raised or retracted |
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Top |
The end of the ladder opposite the heel |
