DANGER:
If you are changing an accessory immediately after
use, be careful not to touch the collet, collet nut, or the
accessory with your hands or fingers. You will get burned
because of the heat build-up from cutting. Always use
the wrench provided or allow the collet to cool.
USING MANDRELS
See Figure 5, page 15.
The most common types of mandrel to use with with this tool
are the standard mandrel which is used with cut-off discs,
grinding wheels, emery wheels, and cut-off wheels. Screw
mandrels are used with polishing wheels and polishing drums.
Drum mandrel are used with sanding drums.
To install:
Unplug the rotary tool.
Install the mandrel.
If using the standard mandrel:
Press and hold the spindle lock.
Insert the slot end of the provided wrench into the slot
on top of the mandrel and unscrew.
Remove mandrel screw and washer.
Place desired accessory over mandrel shaft and align
accessory hole with mandrel hole.
Insert mandrel screw with washer through the accessory
and mandrel shaft holes.
NOTE: The mandrel washer should be placed between
the mandrel screw and the accessory.
Tighten using provided wrench.
If using the screw mandrel:
Align desired accessory hole with mandrel screw head.
Screw accessory onto mandrel by twisting clockwise until
secure.
If using the drum mandrel:
Align appropriate sized sanding drum over mandrel and
push down to completely cover drum end of mandrel.
NOTE: If necessary, tighten the screw on the drum
mandrel head to expand the drum and securely hold the
sanding drum in place.
BALANCING ACCESSORIES
For precision work, it is important that all accessories be properly
balanced. To balance an accessory, slightly loosen the quick-
change collet and give the accessory or collet a 1/4 in. turn.
You should be able to tell by the sound and feel if the accessory
is running in balance. Continue adjusting in this fashion until
the best balance is achieved. Replace accessories if they
become damaged or unbalanced.
OPERATION
INSTALLING AN ATTACHMENT HEAD TO THE
ROTARY TOOL
See Figure 6, page 16.
WARNING:
Read and understand entire Operator's Manual for each
optional attachment head used on this rotary tool and
follow all warnings and instructions. Failure to follow
all instructions could result in electric shock, fire and/or
serious personal injury.
WARNING:
This rotary tool is designed to be used only with the
attachment head models that are specified in this
Operator's Manual. Use of other attachment heads could
cause serious personal injuries or property damage.
WARNING:
Never install, remove, or adjust any attachment head
while rotary tool is running. Failure to stop the motor can
cause serious personal injury. Never operate rotary tool
without an attachment head or the collar installed.
This rotary tool may be used with only the following RYOBI
attachment heads:
A90PG01 45 Degree Platform Guide
A90PG02 90 Degree Platform Guide
A90SG01 Chainsaw Sharpening Guide
A90SG02 Mower Blade Sharpening Guide
A90GG01 Grout Removal Guide
A90DS01 Debris Shield Attachment
A90CG01 Cutting Guide
A90FS01 Flexible Shaft Attachment
To install an attachment head:
Unplug the rotary tool.
Remove accessories and quick-change collet.
Hold the collar firmly, then turn it counterclockwise to
loosen and remove.
Follow the instructions in the RYOBI attachment head
operator's manual to install the attachment head.
11 - English