RJ12
17 RJ12_v1_EN_220223
Operation
1 . Press the power button to turn on the machine .
2 . Set the grinding wheel switch to ON .
3 . Make sure that the grinding wheel does not
vibrate or wobble . If the grinding wheel is
damaged, it must be replaced immediately; see
section 6 .3, “Change the grinding wheel and fit
4 . Make sure the grinding wheel edges match the
shape of the chain type .
• For ceramic grinding wheels: Use the profile
stone (included in delivery) to shape the
edges on the grinding wheel . Use a
light-sweeping action to shape the edges of
the wheel . Use the provided template to verify
proper radius shape for the specific grinding
wheel being used .
.
5 Operation
5 .1 Safety during operation
WARNING Before you install, operate or
do maintenance on the machine, you must read
the safety information in this manual . Obey the
instructions in this manual to prevent injuries or
damage to the equipment .
WARNING Always wear safety gloves,
protective glasses, ear protection, and any other
personal protective equipment suitable for the
current work task .
WARNING The grinding disc can fall down on
your hand and cause injuries . Keep fingers away .
WARNING To prevent mistakes when chains
are sharpened, it is very important to understand
how the grinding machine works . Read the
instructions carefully before the machine is used .
WARNING The chain can be sharp . Use safety
gloves when handling chains .
5 .2 Prepare for operation
Note: For a video demonstration of how to install
and operate the machine, go to Markusson .se .
5 .2 .1 Prepare the grinding wheel
WARNING Before a chain is sharpened, make
sure that the grinding wheel is not cracked, does
not vibrate or wobble . Perform a “ring test”; see
section 4 .5, “Install and center the grinding wheel” . If
the grinding wheel is damaged, it must be replaced
immediately; see section 6 .3, “Change the grinding
wheel and fit the grinding wheel guard” .
If abnormal vibrations occur during operation,
immediately stop the machine and check the
condition of the grinding wheel . Make sure all the
switches are turned off before turning the power
back on .
Note: Before each chain is sharpened, make sure
the grinding wheel edges match the shape of the
chain type .
The condition, type and profile of the grinding wheel
is essential for the machine’s accurate operation .
The instructions that follow contain information on
how to make sure that the grinding wheel is in good
condition and has the correct profile .
