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OPERATION 2
OPERATION 1
4.3 Replacement of the tool
Coupling of a new tool
Fit the tool end (the one having the retainer flat/flats) into the guide, manually.
Two operators can be necessary if the weight is more than 30 kgs (check the weight
with the technical specifications).
Then push from the other side and fit the tool completely into the guide. Rotate it so that its
milled side sets parallel to the pin guide. Insert the retainer pin for tool.
Before replacing the tool, it is necessary to wear gloves because it overheats
during the use.
Place the hammer vertically, touching
the ground and lift it up from the ground
of a few centimetres so that the boom
of the excavator supports the weight of
the hammer, but with the tool is still
touching on the ground.
Go down from the excavator, after blocking the hydraulic system.
Check the weight of the pin in the technical specifications.
Press the retainer pin with a lever so that the prominent
part returns into its seat (1
st
operation).
With a second lever press on the retainer pin for tool
and push it out, almost completely (2
nd
operation).
-
Catch on the prominent part with your gloves
and place the pin on the ground.
-
Get on the excavator again and unblock the
hydraulic system.
-
Lift the hammer vertically until the damaged tool
slips off.
Place the hammer horizontally on the ground
and the tool lined up before it.
Grease well the part that must get into the
guide.
USE OF THE HAMMER
17
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Nederland B.V.
