Stopping The Rock Drill; Operating; Drilling; Re-Positioning The Pusher Leg - Atlas Copco 72D Instrucciones De Seguridad Y De Funcionamiento

ALF 72D, 72D-1, 67/80D, BMK 62S, BMK 91RS

Stopping the rock drill

1. Pull the throttle lever (A) backwards, which will
stop the percussion, rotation and flushing water.
2. Turn the feed control knob (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.

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 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 knob does not need to be touched
throughout this operation.
© 2012 Atlas Copco Construction Tools AB | No. 9800 0680 90c | 2012-07-04
Original instructions
A
B
C
D
Safety and operating instructions

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 hazardous
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 of the machine, contact your
nearest authorised workshop.
Every 8 operating hours (or
every day)
♦ Check the rock drill's connection to the pusher leg.
♦ Check the hoses, couplings and controls for
leakage and damage.
♦ Check that the rock drill and pusher leg are
receiving enough lubrication. Fill the lubricator as
necessary.
♦ Drain the water separator.
♦ Check the machine and tools for wear and damage
at regular intervals. Do not use very worn or
damaged tools.
♦ Always hose down and wipe clean the rock drill
and pusher leg after use.
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