Breaking; When Taking A Break; Maintenance; Every Day - Atlas Copco Cobra Serie Instrucciones De Seguridad Y De Funcionamiento

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COBRA MK1, TT, TT-AWD
Never break off too large pieces. Adjust the
breaking distance (A) so that the inserted tool does
not fasten.

Breaking

Never use the machine as a lever, the material
should be broken by impact energy.
If the tool fastens, never try to lift it by pulling on
the top of the fuel tank.
Check that the handle bar can move freely (up
and down) without binding.
Let the machine do the work. Never press too
hard. The vibration absorbing handle should never
be forced all the way to the bottom.
The feed force should be adjusted so that the
handle is pressed "half way down". This position
provides the best vibration damping and the best
breaking force.
Avoid working in extremely hard material such as
granite and reinforcing iron, since such materials
can cause strong vibrations.
Avoid idling; operation without a inserted tool and
operation with the machine lifted.
Release the throttle lever when the machine is
lifted.
© 2008 Atlas Copco Construction Tools AB | No. 9800 0665 90 | 2008-10-28
A
Safety and operating instructions

When taking a break

Stop the machine during breaks.
During all breaks you must put the machine away
so that there is no risk for unintentional start.

Maintenance

Regular maintenance is a basic requirement for the
continued safe and efficient use of the machine.
Follow the operating instructions carefully.
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.

Every day

Before undertaking any maintenance or changing
the inserted tool, turn the machine off.
Perform a general inspection and check that there
are no leaks and no damage.
Check that the tool holder is not worn and that it
functions as it should. Never use the equipment
if you suspect that it is damaged.
Check that the O-ring on the oil plug is undamaged
and seals properly.
Check that the oil plug is tight regularly.
Check for wear in the tool bush.
Check the insertion tool, make sure that it is sharp
and not worn out.
Change damaged parts immediately.
Replace worn components in good time.
In order to ensure that the machine remains within
the stated vibration level values, the following checks
must be performed:

Wear check

If a inserted tool with a worn shank is used, machine
vibration will increase. Avoid such vibration by
checking for shank wear before mounting the
insertion tool on the machine.
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