Operation; Preparations Before Starting; Check The Drilling Equipment; Blow Out The Air Hose - Atlas Copco BBC 34-DSI Prescriptions De Sécurité Et Instructions Pour L'opérateur

Safety and operating instructions
1. Push the retainer outwards in the direction of the
arrow until the drill steel collar disengages from
the front of the retainer.
2. Pull the drill steel out.
3. Push back the retainer.

Operation

WARNING Involuntary start
Involuntary start of the machine may cause injury.
► Keep your hands away from the start and stop
device until you are ready to start the machine.
Learn how the machine is switched off in the event
►
of an emergency.
Stop the machine immediately in all cases of
►
power supply interruption.
18

Preparations before starting

Check the drilling equipment

Check that all of the drilling equipment is in good
♦
condition.
Check that the impact surface of the drill steel
♦
shank is flat, with no signs of wear.
Make sure that the air inlet and exhaust ports are
♦
free from obstructions.
♦ Check that the flushing holes in the drill steel and
drill bit are not blocked, and that the flushing air
and water flows through without obstruction.
♦ Ensure that the fittings are tight and leak-proof.
DANGER Whipping air hose
A compressed air hose that comes loose can lash
around and cause personal injury or death
Check that the compressed air hose and the
►
connections are not damaged.
► Check that all compressed air connections are
properly attached.

Blow out the air hose

♦ Every day before using the drill, blow out the air
hose to clear it of accumulated dirt and moisture.

Fill the lubricator with oil

Check that the chuck and insertion tool shank are
♦
always covered with a film of oil.

Controls

Remote control

The rock drill is operated by remote controls,
mounted in a suitable position and connected to the
rock drill.

Start and stop

Starting the rock drill

1. Open the main valve for compressed air.
2. Move the feed forward with reduced feed force.
3. Start the impact mechanism with reduced
percussion and collar the hole with reduced feed
force.
4. Apply full throttle to the impact mechanism once
the drill steel has gained a secure footing in the
rock.
© 2012 Atlas Copco Construction Tools AB | No. 9800 0678 71b | 2012-08-10
BBC 34-DSI
Original instructions