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○ Clear the area of children or unauthorized
personnel.
6. Mounting the wheel guard
Be sure to mount the wheel guard at an angle that will
protect the operator's body from injury by a broken
wheel piece.
[Installing Wheel Guard] (Fig. 2)
○ Open and hold the lever, then install the wheel
guard so that the projection on the wheel guard
aligns with the recess in the packing gland.
○ Rotate the wheel guard to an angle suitable for
use, then release your fi nger from the lever.
○ Rotate the wheel guard left or right until it locks
into place.
Packing gland
Lever
WARNING
If the wheel guard is not attached properly, a
broken wheel may result in and cause death or
serious injury.
7. Thoroughly check that the depressed center wheel is
free of cracks, splits and other abnormalities before
mounting. Make sure it is fi rmly clamped and has
been properly mounted. Refer to page 12 of this
manual for Depressed Center Wheel Assembly and
Disassembly
10
Wheel guard
Fig. 2
8. Test the grinder before using.
Before actually beginning the grinding work, test the
grinder by fi rst clearing the area of all other personnel.
Make sure the wheel guard is in place and that you
are wearing eye protection. Turn the grinder "on", and
make sure the grinder runs smoothly and shows no
abnormalities.
Duration of the trial run is as follows:
When depressed center wheel is replaced
..................................................3 minutes or more
When starting daily work
....................................................1 minute or more
9. Use only properly rated depressed center wheels.
Use only depressed center wheels rated at
13,300/min or more.
Using a depressed center wheel rated less can lead
to wheel disintegration during operation and cause
serious bodily injury.
10. Check the push button.
Make sure that the push button is disengaged by
pushing push button two or three times before turning
on the grinder. (Fig. 6)
GRINDER OPERATION
1. Hold the grinder fi rmly by its housing and side handle
(Fig. 1).
The grinder produces a counterforce which must be
controlled by fi rmly holding onto the grinder.
2. Turn the grinder "on". (Fig. 3)
While holding the grinder fi rmly, slide the switch to
the "ON" position with one fi nger to turn on the tool.
Releasing the switch will turn off the tool.
For continued operation, slide the switch to the "ON"
position and press down the "ON" position of the
switch to lock it in place.
Turn the grinder "OFF" (Fig. 3)
Press the "OFF" position of the switch to release the
lock and turn the grinder off .
Switch
ON
LOCK
OFF
Fig. 3
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