RAMMER 255E, Operator'S Manual

Page: 28 / 68

COPYRIGHT © 2020 SANDVIK MINING AND CONSTRUCTION OY Page 28 - Operation
Operation 255E
- Do not strike in one spot for more than 15 seconds at a time. If the object does
not break, or if the tool does not penetrate, stop the hammer and change the
position of the tool. Working too long in one spot will create stone dust under
the tool. Dust dampens the impact effect and produces heat.
- Listen to the hammer's sound when you are using it. If the sound becomes
weaker and the impact less efficient, the tool is misaligned with the material
and/or there is not enough down force on the tool. Realign the tool and press the
tool firmly against the material.
- Do not let the tool move outwards from the hammer when it penetrates. Keep
the down-pressure on the hammer while breaking.
- When demolishing vertical structures (such as brick walls), place the tool
against the wall at a 90 degree angle.
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