Atlas Copco Secoroc YT29SA Посібник з експлуатації - Сторінка 6

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YT29SA

When you have finished drilling

Run the rock drill at medium speed when retracting the working tool from the
drilled hole.
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 prerequisite for machine safety. Replace damaged and
worn components in good time. For a major service to the machine, contact your
nearest authorized workshop.
Check the machine and tools for wear and damage at regular intervals. Do not use
very worn or damaged tools.
When cleaning mechanical parts with a solvent, make sure that you comply with
current health and safety regulations and ensure that there is sufficient ventilation.
Daily maintenance, regular checking of wearing parts and carrying out repairs in
good time prevents breakdowns and increases the service life of the machine.
h
Always oil the rock drill and pusher leg well, before you put them into storage.
h
Store in a clean and dry place.
h
Make sure that no foreign matter enters the machine.
h
Protect the chuck using a wooden plug or a clean piece of cotton waste.
h
Always hose down and wipe clean the rock drill and pusher leg after use.
h
In the case of long-term storage, pour a quantity of oil directly into the rock-drill's
air intake and then turn on the air briefly. This will protect the machine from
corrosion.

Selection of spare parts

This machine is a heavy-duty rock drill; there are strict requirements on selecting
spare parts. Use only genuine parts for replacement, to ensure stable performance.
Do not use pattern parts, which not only have a short working life but also cause
consequential damage to other parts, due to the differing measurements and
methods of manufacturing.

Once a shift (after 8 hours of operation)

h
Check the wear in the chuck bushing. If the wear limit has been exceeded, the
working tool shank will wear more quickly, or become deformed. This will lead to
stoppages and increased working tool consumption.
h
Check the tightness of the side-bolt nuts.
The tightening torque shall be 150 Nm.
h
Check the rock drill's connection to the pusher leg.
h
Check the hoses, couplings and controls for leakage and damage.
h
Check that the rock drill and pusher leg are receiving enough lubrication. Fill the
lubricator as necessary.
h
Drain the water separator.
h
Check the air and water pressure. Make sure that the water pressure is at least 1
bar lower than the air pressure.
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Once a week (after 40 hours of operation)

Carry out a basic check of all functions of the drilling equipment.

Once a month (after 200 hours of operation)

Send the rock drill to a workshop for inspection. The local operating conditions
h
will determine whether or not this is a suitable interval for overhauling the drill.
h
Dismantle and clean the lubricator.
h
Clean out the water separator.

Measures to prevent freezing

In low ambient temperatures, ice can form in the machine. This can be avoided if
the water in the compressed air is removed. This can be done by equipping the air
lines with water separators and drainage points for water condensate.
If the rock drill ices up, it must not be heated to melt the ice. Let the ice thaw at
room temperature.
Note! Do not pour methylated spirits or similar substances into the rock drill, as
they will interfere with the lubrication and lead to increased wear.

Scrapping and waste disposal

Used and worn-out machines must be disposed of in such a way that as much of
the material as possible can be recycled and the impact on the environment is kept
to a minimum.
YT29SA
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