Oregon 710-120 Original Instruction Manual page 22

Auto chain grinder
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Operation
8.
Set the chain pusher switch to OFF when
the grinding head is in its uppermost
position and the chain lock is not engaged.
9.
Repeat steps 5-8 until the chain pusher
stops in the correct position.
CAUTION If the pitch is not correctly set,
the chain will be pushed into an incorrect
sharpening position. This may result in a
damaged chain.
10.
Turn the grinding speed knob to set the
desired speed for the machine.
22
593357aa_AutoChainGrinder_710-120_OM.indd 22
IMPORTANT If the metal of a cutter
turns blue during grinding, the speed is set
too high and the metal is overheated. This
can cause the metal in the cutter to loose its
properties. Replace the damaged cutter or
re-sharpen the chain.
11.
Fold the grinding head down to its grinding
position.
12.
The grinding depth for gullets is
recommended by the chain manufacturer.
To set it, turn the grinding depth knob
located on the back of the grinding head:
• clockwise, to grind shallower into the
gullet, or
• counterclockwise, to grind deeper into the
gullet.
13.
Set the cutter top plate to equal lengths.
If the right (outer) and left (inner) cutters
are not sharpened to equal lengths, follow
these steps:
• Do a sharpening test on a test chain
according to the instructions in section
7.2, "Sharpening test."
• Make sure that the right and left cutting
teeth are sharpened to equal lengths. Use
the template provided with the machine
to measure. If they are not equally long,
turn the equal cutting teeth knob:
– clockwise to decrease the length of the
left cutter and increase the length of
the right cutter, or
710-120
3/1/17 12:03 PM

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