Cobra Combi Operations Instructions Page 16

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Start and stop
Cold start
1. Close the choke by turning the choke control
anticlockwise to position (CHOKE).
2. Push the throttle lever down and pull the starter
handle.
3. When the machine ignites, open the choke one
step clockwise towards position (RUN). Let the
machine run for a 30-60 seconds warm up
period.
Restarting a warm machine
If a hot engine stops after a short while or does not
start at all, use the following restart procedure:
1. Check that the choke is open (in position RUN).
2. Pull the starter handle.
3. If the machine still does not start follow the
procedure for "Cold start" or see the section
"Troubleshooting".
Stopping
1. Stop the machine by sliding the stop button on
the left handle forward.
Operating
Starting a cut
Stand in a stable position with your feet well away
from the inserted tool.
Press the machine against the working surface
before you start.
The working speed of the machine is controlled
via the throttle lever.
Start collaring at such a distance from the edge
that the machine is capable of breaking the
material without leverage.
Never break off too large pieces. Adjust the
breaking distance (A) so that the inserted tool does
not fasten.
A
Breaking
Never use the machine as a lever, the material
should be broken by impact energy.
Let the machine do the work. Never press too
hard. The vibration absorbing handle should never
be forced all the way to the bottom.
Release the throttle lever when the machine is
lifted.
© 2010 Atlas Copco Construction Tools AB | No. 9800 0955 01b | 2010-01-01
Original instructions
16
COBRA COMBISafety and operating instructions
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