Ryobi EID550RE Operation manual

CAUTION: Carefully read through this entire owner’s manual before using your
impact drill.
SAVE THIS MANUAL FOR FUTURE REFERENCE.
Your new impact drill has been engineered and manufactured to Ryobi’s high standard for dependability,
ease of operation and operator safety. Properly cared for, it will give you years of rugged, trouble free
performance.
DOUBLE
INSULATED
THANK YOU FOR BUYING A RYOBI IMPACT DRILL
Pay close attention to the Rules for Safe Operation, Warnings, and Cautions.
If you use your impact drill properly and only for what it is intended, you will enjoy years of safe, reliable
service.
Thank You again for buying Ryobi tools.
N197
OWNER’S OPERATING MANUAL
IMPACT DRILL
MODEL EID550RE &EID750REN

B
Fig. 2
E
A
Fig. 1
F
G
EID550RE
EID750REN
A
C
H
K
B
J
D
E
J
A
C
HK
BD
E
N
L
M
F

C
I
G
Fig. 5
Fig. 6 Fig. 7
Fig. 4a
MFig. 4b
D
Fig. 3

THANK YOU FOR BUYING A RYOBI PRODUCT.
To ensure your safety and satisfaction, carefully read
through this OWNER'S MANUAL and the SAFETY
INSTRUCTIONS before using the product.
INSTRUCTIONS FOR SAFE HANDLING
■Make sure that the tool is only connected to the voltage
marked on the name plate.
■Never use the tool if its cover or any bolts are missing.
If the cover or bolts have been removed, replace them
prior to use. Maintain all parts in good working order.
■Always secure tools when working in elevated positions.
■Never touch the blade, drill bit, grinding wheel or
other moving parts during use.
■Never start a tool when its rotating component is
in contact with the work piece.
■Never lay a tool down before its moving parts have
come to a complete stop.
■ACCESSORIES: The use of accessories or attachments
other than those recommended in this manual might
present a hazard.
■REPLACEMENT PARTS: When servicing use only
identical replacement parts.
■WARNING. When using electric tools, basic safety
precautions, including the following, should always be
followed to reduce the risk of fire, electric shock and
personal injury.
■Keep work area clean. Cluttered areas and benches
invite injuries.
■Consider work area environment. Do not expose
power tools to rain. Do not use power tools in damp
or wet locations. Keep work area lit. Do not use
power tools where there is risk of fire or shock
■Guard against electric shock. Avoid body contact with
earthed or grounded surface (e.g. pipes, radiators,
ranges, refrigerators).
■Keep children away. Do not let visitors touch
the tool or extension cord. All visitors should be kept
from area.
■Store idle tools. When not it use, tools should be stored
in a dry, high or locked up place, out of reach of children
■Do not force the tool. It will do the job better and safer
at the rate for which it was intended.
■Use the right tool. Do not force small tools or
attachments to do the job of a heavy duty tool.
Do not use tool for purposes not intended.
■Use safety glasses. Also use face or dust mask if
the cutting operation is dusty.
■Do not abuse the cord. Never carry the tool by the cord
or yank it to disconnect it from the socket. Keep the cord
away from heat, oil and sharp edges.
■Do not overreach. Keep proper footing and balance
at all times.
■Maintain tool with care. Keep cutting tools sharp
and clean for better and safer performance. Follow
instructions for lubrication and changing accessories.
Inspect tool cord periodically and if damaged have
it repaired by an authorized service facility. Inspect
extension cords periodically and replace if damaged.
Keep handles dry, clean and free from oil and grease
■Disconnect tools when not in use, before servicing
and when changing accessories such as blades,
bits and cutters.
■Avoid unintentional starting. Do not carry a plugged-in
tool with a finger on the switch. Ensure that the machine
is switched off before connecting to the power supply.
■When tool is used outdoors, use only extension cords
intended for outdoor use.
■Stay alert. Watch what you are doing. Use common
sense. Do not operate tool when you are tired.
■Check for damaged parts. Before further use of the
tool, a guard or other part that is damaged should be
carefully checked to determine that it will operate
properly and perform its intended function. Check for
alignment, breakage of parts, mounting and any other
conditions that may affect its operation. A guard or other
part that is damaged should be properly repaired
or replaced by an authorized service centre unless
otherwise indicated in this instruction manual.
Have defective parts replaced by an authorized
service facility. Do not use the tool if the switch does
not turn it on and off.
■Make sure that the drill bit is securely mounted.
An incorrectly mounted bit is extremely dangerous
since it can fly off or break during drilling.
■Dress properly. Do not wear loose clothing or jewellery,
they can be caught in moving parts. Protective gloves
and non-skid footwear are recommended when
working outdoors. Wear protective hair covering
to contain long hair.
■Hold the tool securely with both hands. If not held
securely, accidents or injury may result.
■Never touch the chuck or metal body parts when
drilling walls, floors or other surfaces covering
electrical wiring. Hold the tool only by the plastic
handle to prevent electric shocks.
■While operating, the work piece must be securely
held with a vice or clamp to prevent it from moving
due to the drill rotation.
1

Drilling capacity
in wood25 mm30 mm
in steel10 mm 13 mm
in masonry13 mm13 mm
Input550 W750 W
No load speed 0 - 2,700 min-1 0 - 2,800 min-1
Blows per minute 0 - 43,200 min-1 0 - 44,800 min-1
A. Trigger Switch
B.Forward / Reverse Lever
C.Keyless Chuck
D.Variable Speed Control
E.Lock - on Button
F.Impact Drilling Mode Selector
G.Depth Gauge
H.Auxiliary Handle
I.Bit
J.Air Vents
K.PowerLightTM
L.Bit Storage (EID750REN)
Auxiliary handle, Depth Gauge, Drill Bit.
Use only for the purposes listed below:
Drilling wood, materials and resin boards.
Drilling concrete (impact drilling only).
Drill metal: steel, brass, aluminum sheets, stainless
steel & pipe.
Noise (sound pressure level) in the workplace can
exceed 85 dB (A). in this case, sound insulation and hearing
protection measures must be taken by the operator.
SWITCH (Fig. 1 & 3)
This tool is started and stopped by squeezing
and releasing the trigger switch (A).
The speed can be adjusted in either gear by
controlling the force applied to the trigger.
The maximum speed of the drill may be set at different
speeds by adjusting the variable speed control (D).
For continuous operation, press the lock- on button (E)
while squeezing the trigger. Squeeze the trigger again
to release the lock.
To change the direction of rotation, stop the tool and
push the forward / reverse level (B).
When the forward button is pushed in, the bit rotates
clockwise when viewed from the handle end of the tool.
When the reverse button is pushed in, the bit rotates
counterclockwise.
SPINDLE LOCK (EID750REN)
For easy changing of the drill bit this drill is equipped with
an automatic spindle lock (M) which holds the spindle
stationary when loosening and tightening the chuck.
MOUNTING AND REMOVING THE BIT (Fig. 4a &4b)
Insert the drill bit (I) into the chuck (C) as far as the plain
part of its shank will go.
Tighten the chuck securely by rotate the chuck head
in a clockwise direction.
The bit can be removed by rotate the chuck in a
counterclockwise direction.
CHANGING BETWEEN DRILLING AND IMPACT
DRILLING MODE (Fig. 5)
The drilling mode shift knob (F) for changing between
the drilling mode and impact drilling mode is positioned
on the top of the tool.
DRILLING MODE:Shift the button and show the""
symbol for rotation without impact action.
IMPACT DRILLING MODE:Shift the button and show the "
" " symbol for impact drilling.
2
M.Spindle Lock Button (EID750REN)
EID500RE
EID750RE
STANDARD ACCESSORIES
APPLICATIONS
NOISE BUILD-UP
DESCRIPTIONDESCRIPTION
SPECIFICATIONS
CHANGING THE ROTATION DIRECTION (Fig.2)
To insert a drill bit (I), press the spindle lock button
(M) with one hand and use your other hand to rotate
the chuck anti-clockwise. Rotate it sufficently for
the chuck to open far enough to accept the bit
or accessory.
Fully insert the bit accessory into the chuck and
tighten securely by rotating the chuck clockwise
with one hand whilst holding the spindle lock
button pressed with the other hand.
Repeat 2nd point to remove the bit.
NOTE: Always be sure the spindle lock button is
released and the spindle lock is disengaged before
turning the drill ON.
EID550REEID750REN
N.Bubble Level (EID750REN)

NEVER COVER THE AIR VENTS (J) SINCE THEYMUST
ALWAYS BE OPEN FOR PROPER MOTOR COOLING.
To prevent ugly splits around the drill hole on the reverse
side of the workpiece, put a piece of scrap timber under
the work piece.
Metals such as steel brass, aluminum sheets, stainless
steel and pipe may also be drilled. Mark the point to be
drilled with a nail or punch.
Do not use impact mode on these materials.
Stone and masonry are generally drilled in the impact
drilling mode.
When drilling in delicate materials such as wall tiles,
it is essential to start with ordinary drilling and once the
tile is pierced, to continue with impact drilling.
In deep bore holes the drill bit should be pulled out
occasionally in order to remove the debris from the
drill and hole.
The auxiliary handle also contains a compartment to
store dill bits. To access this compartment unscrew the
end cap below the yellow trim on the handle in an
anticlockwise direction.
After use, check the tool to make sure that it is in good
condition. It is recommended that you take this tool to
a RYOBI Authorized Service Centre for a thorough
cleaning and lubrication at least once a year.
DO NOT MAKE ANYADJUSTMENTS WHILE
THE MOTOR IS IN MOTION.
ALWAYS DISCONNECT THE POWER CORD FROM
THE POWER SUPPLYBEFORE CHANGING
REMOVABLEOR CONSUMABLE PARTS (BLADE,
BIT, SANDING PAPER ETC.), LUBRICATING OR
WORKING ON THE UNIT.
WARNING
To ensure safety and reliability, all repairs should
be performed by an AUTHORIZED SERVICE
CENTRE or other QUALIFIED SERVICE
ORGANIZATION.
3
AUXILIARYHANDLE (Fig. 6)
Auxiliary handle.
The auxiliary handle (I) can be rotated 360º.
Loosen the handle grip by turning in an anticlockwise drection
and tighten it at an easy to use position by turning the grip
in a clockwise direction.
AUXILIARYSIDE HANLDE BIT HOLDER (EID750REN)
The auxiliary side handle on this impact drill is equipped
with a removable base cap which has the ability to hold up
to 5 drill bits. To remove the bit holder screw the cap in an
anticlockwise direction. Remove bits but pulling them up
out of the holder. To replace the bit holder screw cap in a
clockwise direction.
MAINTENANCE
BIT STORAGE (EID-750REN) (Fig. 7)
DRILLING IN CONCRETE
DRILLING IN METAL
DRILLING IN WOOD
OPERATING
PowerLightTM
This tool feautres a PowerLight
TM
(K) which illuminates as soon
as the tool is connected to the power supply. This warns the
user that the tool is connected to live power and will operate
when the switch is pressed.
If the supply cord is damaged, it shall be replaced by
the manufacturer or its service agent or similar qualified
person in order to avoid a hazard 
SAVE THESE INSTRUCTIONS FOR FUTURE
REFERENCE.