OPERA TOR "SMA NUA L
THANK YOU
Thank you for buying this quality product. This modern
outdoor power tool will provide many hours of useful
service. You will find it to be a great labor-saving device.
This operator's manual provides you with easy-to-
understand operating instructions. Read the whole
manual and follow all the instructions to keep your new
outdoor power tool in top operating condition.
PRODUCT REFERENCES, ILLUSTRATIONS AND
SPECIFICATIONS
All information, illustrations and specifications in this
manual are based on the latest product information
available at the time of printing. We reserve the right to
make changes at any time without notice.
Copyright © 2003 MTD SOUTHWEST INC
All Rights Reserved.
SpeedSpool ® is a registered trademark of MTD
SOUTHWEST INC.
SERVICE INFORMATION
Service on this unit both within and after the warranty
period should be performed only by an authorized and
approved service dealer.
• Call 1-800-345-8746 in the United States. or
1-800-668-1238 in Canada, to obtain a list of
authorized service dealers near you
Or
• Go to www.RyobiOutdoor.com on the World Wide
Web for a list of authorized service dealers
DO NOT RETURN THE UNIT TO THE RETAILER.
NOTE: PROOF OF PURCHASE WILL BE REQUIRED
FOR WARRANTY SERVICE.
Make sure you carefully read and understood this
manual before starting or operating this equipment.
THIS PRODUCT IS COVERED BY ONE OR MORE US
PATENTS, OTHER PATENTS PENDING.
I, California Proposition 65 Warning: ............... 3
II. Rules for Safe Operation ..................... 3-7
A. Important Safety Information ................. 4
B. Safety and International Symbols ............. 5
C. Know Your Unit ........................... 7
III. Assembly Instructions ........................ 8
A. Installing and Adjusting the J-Handle .......... 8
B. Installing the Cutting Attachment Shield ........ 8
IV, Oil and Fuel Information ....................... 9
V, Starting/Stopping Instructions ................. 10
Vl.
Operating Instructions .................... 11-12
A. Operating the EZ-Link TM System ............. 11
B, Holding the Trimmer ...................... 12
C. Adjusting Trimming Line Length ............. 12
D, Tips for Best Trimming Results .............. 12
E, Decorative Trimming ...................... 12
VII.
Maintenance and Repair Instructions ......... 13-19
A, Maintenance Schedule .................... 13
B, Line Installation ......................... 13
C, Installing a Prewound Reel ................. 14
D. Cleaning the SpeedSpool ® ................. 15
E, SpeedSpool ® Replacement Parts ............ 16
F, Air Filter Maintenance ..................... 16
G, Spark Arrestor Maintenance ................. 17
H, Carburetor Adjustment .................... 18
I. Replacing the Spark Plug .................. 18
J. Cleaning ................................ 19
K, Storage ................................ 19
L. Long Term Storage ....................... 19
M, Transporting .............................. 19
N, Accessories/Replacement Parts ............. 19
VIII.
Troubleshooting Chart ....................... 20
IX.
Specifications .............................. 21
X.
Warranty .................................. 24
Xl.
Parts List ........................... Back Cover
CONTENTS OF CARTON
• A Model 775r Trimmer
A J-Handle and Hardware
A Cutting Attachment Shield with Hardware
° SpeedSpool ® Bump Head Cutting Attachment
° Operator's Manual
° Product Registration Card
° Bottle of 2-Cycle Oil
A This item will either be installed on the unit or in the
hardware pack
2
THE ENGINE EXHAUST FROM THIS
PRODUCT CONTAINS CHEMICALS
KNOWN TO THE STATE OF CALIFORNIA
TO CAUSE CANCER, BIRTH DEFECTS
OR OTHER REPRODUCTIVE HARM.
NOTE: For users on U.S. Forest Land and in the states of California, Maine, Oregon and Washington. All U.S.
Forest Land and the state of California (Public Resources Codes 4442 and 4443), Oregon and Washington require, by
law that certain internal combustion engines operated on forest brush and/or grass-covered areas be equipped with a
spark arrestor, maintained ineffective working order, or the engine be constructed, equipped and maintained for the
prevention of fire. Check with your state or local authorities for regulations pertaining to these requirements. Failure to
follow these requirements could subject you to liability or a fine. This unit is factory equipped with a spark arrestor. If
it requires replacement, ask your LOCAL SERVICE DEALER to install the Accessory Part #182747 Spark Arrestor Kit.
Read the Operator's Manual(s) and follow all warnings and safety instructions. Failure to do so can
result in serious injury to the operator and/or bystanders.
FOR QUESTIONS, CALL 1-800-345-8746 IN U.S. OR 1-800-668-1238 in CANADA
The purpose of safety symbols isto attract your
attention to possible dangers. The safety symbols,
and their explanations, deserve your careful attention
and understandingl The safety warnings do not by
themselves eliminate any danger: The instructions or
warnings they give are not substitutes for proper
accident prevention measuresl
SYMBOL MEANING
SAFETY ALERT SYMBOL: Indicates
danger, warning or caution. Attention is
required in order to avoid serious personal
injury. Maybe used in conjunction with
other symbols or pictographs.
NOTE:Advises you of information or instructions vital
to the operation or maintenance of the
equipment.
SYMBOLMEANING
DANGER: Failure to obey a safety warning I
will result in serious injury to yourself or to I
others: Always follow the safety I
precautions to reduce the risk of fire, I
electric shock and personal injury. J
WARNING: Failure to obey a safety
warning can result in injury to yourself and
others. Always follow the safety
precautions to reduce the risk of f re.
electric shock and personal injury.
CAUTION: Failure to obey a safety warning
may result in property damage or personal
injury to yourself or to others. Always follow
the safety precautions to reduce the risk of
fire, electric shock and personal injury.
¸¸¸¸¸¸¸¸¸¸3
• IMPORTANT SAFETY INFORMATION •
READ ALL INSTRUCTIONS
WARNING: When using the unit, you must I
follow the safety rules. For your own safety[
and that of bystanders, please read these
instructions before operating the unit. I
Please keep the instructions for later use. ]
BEFORE OPERATING
• Read the instructions carefully. Be familiar with the
controls and proper use of the unit.
• Do not operate this unit when tired, ill or under the
influence of alcohol, drugs or medication.
• Children under the age of 15 must not use the unit;
teens may operate the unit with adult guidance.
• Inspect the unit before use. Replace damaged parts.
Check for fuel leaks. Make sure all fasteners are in
place and secure. Replace cutting attachment parts
that are cracked, chipped or damaged in any way.
Make sure the cutting attachment is properly installed
and securely fastened. Be sure that the cutting
attachment shield is properly attached, and positioned
as recommended. Failure to do so can result in
personal injury to the operator and bystanders, as well
as damage to the unit.
• Use only 0.080 inch (2.03 mm) diameter Genuine
Factory PartsTM replacement line. Never use metal-
reinforced line, wire, chain or rope. These can break
off and become dangerous projectiles.
• Be aware of risk of injury to the head, hands and feet.
• Clear the area to be cut before each use. Remove
rocks, broken glass, nails, wire, string and other
objects which may be thrown or become entangled in
the cutting attachment. Clear the area of children,
bystanders and pets; keep them outside a 50-foot
(15 m.) radius, at a minimum. Even then, they are still
at risk from thrown objects. Encourage bystanders to
wear eye protection. Ifyou are approached, stop the
unit immediately.
• Squeeze the throttle control and check that it returns
automatically to the idle position. Make all adjustments
or repairs before using the unit.
• This unit was not designed to be used as a
brushcutter. Do not attach or operate this unit with any
type of brushcutting blade or brushcutting attachment.
SAFETY WARNINGS FOR GAS TRIMMERS
WARNING: Gasoline is highly flammable, [
and its vapors can explode if ignited. Take I
the following precautions. J
Store fuel only in containers specifically designed and
approved for the storage of such materials.
Always stop the engine and allow it to cool before
filling the fuel tank. Never remove the fuel tank cap or
add fuel when the engine is hot. Never operate the unit
without the fuel cap securely in place. Loosen the fuel
tank cap slowly to relieve any pressure in the tank.
Add fuel in a clean, well-ventilated outdoor area where
there are no sparks or flames. Remove the fuel cap
slowly, and only after the engine stops. Do not smoke
while fueling or mixing fuel. Wipe up any spilled fuel
from the unit immediately.
Avoid creating a source of ignition for spilled fuel. Do
not start the engine until fuel vapors dissipate.
Move the unit at least 30 feet (9.1 m) from the fueling
source and site before starting the engine. Do not
smoke. Keep sparks and open flames away from the
area while adding fuel or operating the unit.
WHILE OPERATING
Never start or run the unit inside a closed room or
building. Breathing exhaust fumes can be fatal.
Operate this unit only in a well-ventilated outdoor area.
Wear safety glasses or goggles that meet ANSI Z87.1
standards and are marked as such. Wear ear/hearing
protection when operating this unit. Wear a face or
dust mask if the operation is dusty.
Wear heavy long pants, boots, gloves and a long
sleeve shirt. Do not wear loose clothing, jewelry, short
pants, sandals or go barefoot. Secure hair above
shoulder level.
The cutting attachment shield must always be in place
while operating the unit. Do not operate unit without
both trimming lines extended, and the proper line
installed. Do not extend the trimming line beyond the
length of the shield.
This unit has a clutch. The cutting attachment remains
stationary when the engine is idling. If it does not, have
the unit adjusted by an authorized service technician.
Adjust the J-handle to your size in order to provide the
best grip.
Be sure the cutting attachment is not in contact with
anything before starting the unit.
Use the unit only in daylight or good artificial light.
Avoid accidental starting. Be in the starting position
whenever pulling the starter rope. The operator and
unit must be in a stable position while starting. Refer
to Starting/Stopping Instructions.
Use the right tool. Only use this tool for its intended
purpose.
4 ZZZZZZ
• Do not overreach. Always keep proper footing and
balance.
• Always hold the unit with both hands when operating.
Keep a firm grip on both handles or grips.
• Keep hands, face, and feet at a distance from all
moving parts. Do not touch or try to stop the cutting
attachment when it rotates.
° Do not touch the engine, gear housing or muffler.
These parts get extremely hot from operation, even
after the unit is turned off.
• Do not operate the engine faster than the speed
needed to cut, trim or edge. Do not run the engine at
high speed when not cutting.
• Always stop the engine when cutting is delayed or
when walking from one cutting location to another.
• If you strike or become entangled with a foreign
object, stop the engine immediately and check for
damage. Do not operate before repairing damage. Do
not operate the unit with loose or damaged parts.
• Stop the unit, switch the engine to off, and disconnect
the spark plug for maintenance or repair.
• Use only Genuine Factory Parts TM replacement parts
and accessories for this unit. These are available from
your authorized service dealer. Use of any
unauthorized parts or accessories could lead to
serious injury to the user, or damage to the unit, and
void your warranty.
° Keep unit clean of vegetation and other materials.
They may become lodged between the cutting
attachment and shield.
• To reduce fire hazard, replace a faulty muffler and
spark arrestor. Keep the engine and muffler free from
grass, leaves, excessive grease or carbon build up
OTHER SAFETY WARNINGS
• Never store a fueled unit inside a building where fumes
may reach an open flame or spark.
* Allow the engine to cool before storing or transporting.
Be sure to secure the unit while transporting.
• Store the unit in a dry area, locked up or up high to
prevent unauthorized use or damage, out of the reach
of children.
Never douse or squirt the unit with water or any other
liquid. Keep handles dry, clean and free from debris.
Clean after each use, see Cleaning and Storage
instructions.
• Keep these instructions. Refer to them often and use
them to instruct other users. If you loan someone this
unit, also loan them these instructions.
SAVE THESE INSTRUCTIONS
SAFETY AND INTERNATIONAL SYMBOLS
This operator's manual describes safety and international symbols and pictographs that may appear on this product,
Read the operator!s manual for complete safety, assembly, operating and maintenance and repair information.
SYMBOL MEANING SYMBOL MEANING
• THROWN OBJECTS AND
Indicates danger, warning or caution. /
• SAFETY ALERT SYMBOL -//_7_
May be used in conjunction with other
symbols or pictographs. _/_'_
• WARNING - READ
OPERATOR'S MANUAL
ROTATING CUTTER CAN
CAUSE SEVERE INJURY
WARNING: Do not operate without
the cutting attachment shield in place.
Keep away from the rotating cutting
attachment.
Read the operator's manual(s)and follow
all warnings and safety instructions.
Failureto do so can result in serious injury
to the operator and/or bystanders.
• WEAR EYE AND HEARING
PROTECTION
WARNING: Thrown objects and loud
noise can cause severe eye injury and
hearing loss. Wear eye protection
meeting ANSI Z87.1 standards and ear
protection when operating this unit.
Use a full face shield when needed.
• KEEP BYSTANDERS AWAY
WARNING: Keep all bystanders,
especially children and pets, at least
50 feet (15 m) from the operating area.
• UNLEADED FUEL
• ON/OFF STOP CONTROL
ON / START / RUN
I
• ON/OFF STOP CONTROL
OFF or STOP
O
• HOT SURFACE WARNING
Do not touch a hot muffler, gear housing
or cylinder. You may get burned. These
parts get extremely hot from operation.
They remain hot for a short time after the
unit is turned off.
• SHARP BLADE
WARNING: Sharp blade on cutting
attachment shield. To prevent serious
injury, do not touch line cutting blade.
Always use clean, fresh unleaded fuel.
• OIL
Refer to operator's manual for the
proper type of oil.
APPLICATIONS
Asatrimmer:
• Cuttinggrassandlightweeds
• Edging
• Decorative trimming around trees, fences, etc.
Fuel Cap
Starter Rope Grip
Shaft Grip
Throttle
Control J-Handle
Otheroptionalaccessoriesmaybeusedwiththe775r:
Seealistofadd-onsintheOperating the EZ.Link "M
System section.
On/Off Stop Control
Spark Plug
EZ-Start
Lever
EZ-Link TM
Air Filter/Muffler
Cover
Shaft
Housing
Primer Bulb
Cutting Attachment
Shield
Muffler
Line Cutting Blade
Cutting Attachment
¸¸¸¸¸¸¸¸¸¸7
On some units, the J-handle may be pre-installed. In this
case you must loosen screws and adjust the handle to fit
the operator. Go to step 5 if the J-handle is pre-installed.
INSTALLING AND ADJUSTING THE J-HANDLE
.
Place the J-handle between the top and middle
clamp pieces (Fig. 1).
(4) J-Handle
/
Top Clamp
Middle Clamp
Bottom Clamp e
2. While holding the three pieces together, install the four
(4) screws through the top clamp and into middle clamp.
NOTE: The holes in the top and middle clamp will line up
only when assembled correctly.
.
Place the clamps and J-handle the over the shaft
housing and onto the bottom clamp.
4. Hold each hex nut in the bottom clamp recess with a
finger. Start screws with a large Phillips screwdriver.
Do not tighten until you make the handle adjustment.
5. Slide the J-handle in or out until the arrow/white line on
the decal touches the clamp assembly (Fig. 2). You must
first loosen the screws ifthe handle is pre-installed.
Nuts _
Fig. 1
INSTALLING THE CUTTING ATTACHMENT SHIELD
Use the following instructions if the cutting attachment
shield on your unit is not installed or if you ever need to
re-install it.
WARNING:Never operate the trimmer !
without the cutting attachment shield in
place to prevent serious personal injury. J
.
Slide the cutting attachment shield into the shield
mount on the cutting attachment. Align the screw
holes in the shield with the holes in the cutting
attachment (Fig. 4).
Shaft Housing
Cutting Attachment
Shield
Shield Mount
Cutting Attachment
Fig. 4
.
Place a hex lock nut into one of the three recessed
holes on the top of the cutting attachment shield (Fig 5).
Cutting Attachment
Shield
Fig. 2
6: While holding the unit in the operating position (Fig. 3),
position the J-handle to the location that provides you
the best grip.
3. Install a screw into the hole from the bottom of the
cutting attachment shield and screw it into the nut
installed in step 2 (Fig 6). Do not tighten.
4. Repeat steps 2 and 3 until all three screws have
been started, then tighten securely.
Fig, 3
7. Tighten the clamp screws evenly, until the J,handle
IS secure. Fig. 6
8
Fig. 5