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Maintenance and Service
6 .3 Change the grinding wheel and
fit the grinding wheel guard
WARNING Before a chain is sharpened, make
sure that the grinding wheel is not cracked, does not
vibrate or wobble . There is a simple test (called the
"ring test") that you can do to check for damage (see
section 4 .7, "Install and center the grinding wheel") .
IF THE GRINDING WHEEL IS DAMAGED IT
MUST BE REPLACED IMMEDIATELY . If abnormal
vibrations occur during operation, stop the machine
immediately and check the condition of the grinding
wheel .
The machine comes with 2 grinding wheels of
different sizes . To order more grinding wheels, see
8, "Accessories and Spare Parts" .
1 .
Press the stop button to turn the power off .
2 .
Lift the grinding head to its most upright
position .
3 .
If the grinding wheel guard is already attached:
Loosen the 2 attachment knobs (D) and remove
the guard (C) .
4 .
Hold the grinding wheel and loosen the nut
(B) .
A
36 Sensomatic 201902 EN
5 .
Remove the grinding wheel (A) from
the grinding wheel axis and discard it in
accordance with local, state and national laws
and regulations .
6 .
Place a new grinding wheel (A) on the grinding
wheel axis .
7 .
Tighten the nut (B) by hand to secure the
grinding wheel in its position . Do not over-
tighten the nut .
8 .
Place the grinding wheel guard (C) in its
position and fasten the 2 knobs (D) .
9 .
Center the grinding wheel following the
instructions in 5 .2 .10, "Center the grinding
disc" .
6 .4 Set the depth gauge height
1 .
Do a sharpening test on a test chain, according
to the instructions in section 7 .2, "Sharpening
test" .
2 .
Verify the correct depth gauge setting (refer to
the illustration) .
3 .
Turn the depth gauge height knob to set the
depth gauge:
D
C
• clockwise to increase the height of the depth
• counter-clockwise to decrease the height of
B
4 .
Repeat the sharpening test until the height of
the depth gauges is correct .
gauge (and therefore grind less of it), or
the depth gauge (and therefore grind more
of it) .
Sensomatic
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Troubleshooting
