JCB HM 460

CONSTANT LUBIRICATION Even if the hammer is provided with a lubrication system, 460 HM it is necessary to lubricate the tip of the tool to avoid the friction between metals.

when the piston does not stroke the hammer tool, and the impact force 460 HM and energy is absorbed by bolts and the tool retaining screws and not by the tool itself. This causes an erosion and the subsequent rupture of the tip. The breaking in these cases usually appears at the top of the hammer pin

the tip. The breaking in these cases usually appears at the top of the hammer pin as a result of the idle strokes when the tip of the tool is separated from the rest of the hammer. CONSTANT LUBIRICATION. Even if the hammer is HM 460 provided with a lubrication