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Operator's instructions
7. Drilling
Checks during drilling
Monitor drilling performance and pay particular attention to the points below:
Should anything out of the ordinary occur, stop drilling and clear up the trouble or
ask service personnel to investigate.
1. Rock drill :
• Abnormal percussion hose vibration.
- Check the pressure in the rock drill accumulators.
• Check that the shank adapter is sufficiently lubricated.
- Lubricating oil/air should leak out at the shank adapter.
• Abnormal leakage from the rock drill.
• Note that the shank adapter has a "float position", i.e. it is pressed out about 4-
6 mm from the sub frame.
Break loose
Break loose (applies to extension drilling)
Sector description, right-hand multifunction lever
Danger of accidental operation
May cause serious personal injury and
damage to property
The operator must always control of the
rig and the remote control box
Always check that the controls are
correctly adjusted before operating
Always deactivate the remote control box
when it is not in use
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