This manual is consistent with the date of manufacture of
your machine, you will find information on the technic data
of the machine acquired manual check for updates of our
machines on the website: www.grupostayer.com
The machine is designed for grinding and deburring metal
using corundum grinding tools, as well as for working with
sanding wheels. The machine is additionally intended for
brushing and polishing metal.
Specific safety instructions
Disconnect the plug from the power source before
making any assembly, adjustments or changing ac-
cessories. Such preventive safety measures reduce
the risk of tool accidentally.
Instructions for use
Read all safety warnings and all instructions.
Failure to follow the warnings and instructions
may result in electric shock, fire and/or serious
injury. While reading the operating instructions,
unfold the graphics page for the machine and
leave it open.
Assembly
Always unplug rotary tool before changing accessoies,
changing collets or servicing your rotary tool.
Cotter nut - To loosen, first press shaft lock button and
rotate the shaft by hand until the lock engages the shaft
preventing further rotation.
Do not engage lock while the rotary tool is
running.
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With the shaft lock engaged use the collet wrench to
loasen the collet nut if necessary. T he collet nut must be
loosely threaded on when inserting an accessory. Change
accessories by inserting the new one into the collet as far
as possible to minimiza runout and unbalance. With the
shaft lock engaged, finger tighten the collet nut until the
accessory shank is gripped by the collet. Avoid excessive
tightening ofthe collet nut when there is no bit insertad.
Collets - Four different size collets (see illus tration), to
accommodate different shank sizes, are avail able far your
RotaryTool. To install a different collet, remove the collet
nut and remove the old collet. lnsert the unslotted end of
the collet in the hale in the end of the tool shaft. Replace
collet nut on the shaft.
Always use the collet which matches the shank
size of the accessory you plan to use. Never
force a larger diameter shank into a collet.
Collet identification chart
Collet sizes can be identified by the rings on the back end
of collet.
1/32" Collet has one (1) ring.
1/16" Collet has two (2) rings.
3/32" Collet has three (3) rings.
1/8" Collet has no rings.
(lncluded in most tool kits on the tool)
Balancing accessoies - For pecionion work, it is
important that all accessories be in good balance (much
the same as the tires on your automobile). To true up or
balance an accessory, slightly loasen collet nut and give
the accessory ar collet a 1/4 turn. Re tighten collet nut and
run the Rotary Tool. You should be able to tell by the sound
and feel if your accessory is running in balance. Continue
adjusting in this fashion until best balance is achieved. To
maintain balance on abrasive wheel points, befare each
use, with the wheel point secured in the collet, turn on the
Rotary Tool and run the Dressing Stone lightly against the
revolving wheel point. This removes high spots and trues
up the wheel point far good balance.
The hanger is provided far the use of hanging your tool
while using the flex-shaft ar far storage. lf you do not use
the hanger, remove it from the tool and snap it back into
place underneath the cord so it will be out of the way while
the tool is in use.
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