RAMMER 255E, Operator'S Manual

Page: 51 / 68

Maintenance - Page 51 COPYRIGHT © 2020 SANDVIK MINING AND CONSTRUCTION OY
Changing the tool 255E
REMOVAL OF TOOL
Warning! The hydraulic pressure inside the hammer must always be released
before removing the tool. After operating the hammer, wait 10 minutes for oil
pressure to drop inside hammer.
Warning! Hot tool can cause severe injuries.
Do not throw used hammer tool away at job site. Used tools can be recycled by
delivering them to an authorized scrap metal collection facility.
1. Set the hammer on level ground.
2. Make sure the carrier's transmission is in neutral and the parking brake is
engaged.
3. Stop the carrier engine.
4. Remove plug and O-ring.
5. Remove tool retaining pin.
6. Remove tool. Use lifting device if necessary. See “Tool specifications” on page
64. Notice that tool bushing and tool are locked with same tool retaining pin.
Prevent tool bushing from dropping on ground when removing the tool.
Note: If hammer is still on carrier, it may be easier to stick the tool in the ground
and lift the hammer off the tool. Make sure that the tool cannot fall.
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