Stopping The Rock Drill; Operating; Drilling; Re-Positioning The Pusher Leg - Atlas Copco BBC 16W Prescriptions De Sécurité Et Instructions Pour L'opérateur

Safety and operating instructions
7. Move the throttle lever (A) fully forward once the
drill steel has gained a secure footing in the rock.
8. Adjust the feed force by turning the feed control
lever (C) so that the maximum penetration rate
is obtained.

Stopping the rock drill

C
B
1. Pull the throttle lever (A) backwards, which will
stop the percussion, rotation, and flushing water.
2. Turn the feed control lever (C) to the closed
position.

Operating

Drilling

♦ Use protective shoes, gloves, helmet, ear
protectors and impact resistant eye protection with
side protection.
♦ Stand firmly and always hold the machine with
both hands.
♦ Hold the inserted tool firmly against the work
surface before starting the machine.
20
A
D
© 2012 Atlas Copco Construction Tools AB | No. 9800 0627 71f | 2012-06-30
BBC 16W, 16WS, 34W, 34WS, 34WTH

Re-positioning the pusher leg

C
B
1. Switch off the rock drill percussion and flushing
by means of the throttle lever (A).
2. Depress the valve pin (B), whereupon the piston
rod is pulled back into the pusher leg cylinder
automatically.
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 lever (C) does not need to be
touched throughout this operation.

Blow-cleaning the drill hole

C
B
If blow-cleaning of the drill hole is required:
1) Turn the throttle lever (A) fully backwards
beyond the stop position, to the position for
extra blowing (see "Controls"), this will make
the rock drill stop. This can be done during
drilling.
2) When the drill hole is clean, turn the throttle
lever (A) forwards again to re-start the rock
drill.
A
D
A
D
Original instructions