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Safety and operating instructions
Re-positioning the pusher leg
1. Switch off the rock drill percussion and flushing
by means of the throttle lever (A).
2. Depress the valve pin (B), whereupon the air
pressure in the pusher leg drops and it can be
retracted manually.
3. Re-position the pusher leg.
4. Release the valve pin (B), whereupon the piston
rod will move outwards again.
5. Move the throttle lever (A) forward into the
working position.
The feed control knob does not need to be touched
throughout this operation.
Blow cleaning the drill hole
If blow-cleaning of the drill hole is required:
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1. Turn the blow cleaning lever (E) to the position
for extra blowing (see section, "Controls"), this
stops the rock drill, and can be done during
drilling.
2. When the drill hole is clean, turn the blow
cleaning lever (E) forward to re-start the rock drill.
When taking a break
♦
Lay down the rock drill on a stone, wooden plank
or similar object, so as to prevent drill cuttings and
other foreign matter from entering the chuck.
♦
Turn off the water pressure before the air pressure.
Run the rock drill for a few seconds to clean out
water and moisture after the water has been shut
off.
Maintenance
Regular maintenance is a basic requirement for the
continued safe and efficient use of the machine.
Follow the maintenance instructions carefully.
♦
Before starting maintenance on the machine, clean
it in order to avoid exposure to hazard substances.
See "Dust and fume hazards"
♦
Use only authorised parts. Any damage or
malfunction caused by the use of unauthorised
parts is not covered by warranty or product liability.
♦
When cleaning mechanical parts with solvent,
comply with appropriate health and safety
regulations and ensure there is satisfactory
ventilation.
♦
For major service to the machine, contact your
nearest authorised workshop.
♦
After each service, check that the machine's
vibration level is normal. If not, contact your
nearest authorised workshop.
Differences between original
parts and pattern parts
When buying a part, the first thing to do is to verify
that the part is an Atlas Copco part. Most parts can
be identified.
RH 656W
Original instructions
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