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ALL IMPLIED WARRANTIES ARE LIMITED IN 
DURATION TO THE TWO (2) YEAR WARRANTY 
PERIOD OR NINETY (90) DAYS FOR PRODUCTS
USED FOR ANY COMMERCIAL PURPOSE. 
ACCORDINGLY, ANY SUCH IMPLIEDWARRANTIES
INCLUDING MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE, OR OTHERWISE, ARE 
DISCLAIMED IN THEIR ENTIRETY AFTER THE 
EXPIRATION OF THE APPROPRIATE TWO-YEAR 
OR NINETY DAY WARRANTY PERIOD. RYOBI’S
OBLIGATION UNDER THIS WARRANTY, IS STRICTLY
AND EXCLUSIVELY LIMITED TO THE REPAIR OR
REPLACEMENT OF DEFECTIVE PARTS, AND ROP
DOES NOT ASSUME OR AUTHORIZEANYONE TO
ASSUME FOR THEM ANY OTHER OBLIGATION.
SOME STATES DO NOT ALLOW LIMITATIONS ON
HOW LONG AN IMPLIEDWARRANTY LASTS, SO THE
ABOVE LIMITATION MAY NOT APPLY TO YOU.

RYOBI ASSUMES NO RESPONSIBILITY FOR 
INCIDENTAL, CONSEQUENTIAL OR OTHER 
DAMAGES INCLUDING, BUT NOT LIMITEDTO
EXPENSE OF RETURNING THE RYOBI PRODUCT 
TO AN AUTHORIZED SERVICEDEALER AND
EXPENSE OF DELIVERING IT BACK TO THE 
OWNER, MECHANIC’S TRAVEL TIME, TELEPHONE
OR TELEGRAM CHARGES, RENTAL OF A LIKE
PRODUCT DURING THE TIME WARRANTY SERVICE
IS BEING PERFORMED, TRAVEL, LOSS OR DAMAGE
TO PERSONAL PROPERTY, LOSS OF REVENUE,
LOSS OF USE OF THE PRODUCT, LOSS OF TIME,
OR INCONVENIENCE. SOME STATES DO NOT
ALLOW THE EXCLUSION OR LIMITATION OF 
INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO
THE ABOVE LIMITATION OR EXCLUSION MAY NOT
APPLY TO YOU.

This warranty gives you specific legal rights, and you
may also have other rights which vary from state to
state.

This warranty applies to all RYOBI Products
manufactured by RYOBI and sold in the United States
and Canada.

To locate your nearest service dealer dial
1-800-345-8746 in the United States or
1-800-265-6778 in Canada.

RYOBI OUTDOOR PRODUCTS

550 N. 54th Street

Chandler, AZ 85226 U.S.A.

RYOBI CANADA INC.

275 Industrial Rd

Cambridge, Ontario N1R 6K2 CANADA

RYOBI OUTDOOR PRODUCTS warrants each new
RYOBI Product for two (2) years according to the 
following terms.

This warranty extends to the original retail purchaser
only and commences on the date of original retail 
purchase.

Any part of the RYOBI Product manufactured or 
supplied by RYOBI and found in the reasonable 
judgement of RYOBI to be defective in material or
workmanship will be repaired or replaced by an 
authorized RYOBI service dealer without charge for
parts and labor.

The RYOBI Product including any defective part must
be returned to an authorized service dealer within the
warranty period. The expense of delivering the RYOBI
Product to the dealer for warranty work and the
expense of returning it back to the owner after repair
or replacement will be paid for by the owner. RYOBI’s
responsibility in respect to claims is limited to making
the required repairs or replacements and no claim of
breach of warranty shall be cause for cancellation or
rescission of the contract of sale of any RYOBI
Product. Proof of purchase will be required by the
dealer to substantiate any warranty claim. All warranty
work must be performed by an authorized RYOBI 
service dealer.

This warranty is limited to ninety (90) days from the
date of original retail purchase for any RYOBI Product
that is used for rental or commercial purposes, or any
other income-producing purpose.

This warranty does not cover any RYOBI Product that
has been subject to misuse, neglect, negligence, or
accident, or that has been operated in any way 
contrary to the operating instructions as specified in
the RYOBI Operator’s Manual. This warranty does not
apply to any damage to the RYOBI Product that is the
result of improper maintenance or to any RYOBI
Product that has been altered or modified so as to
adversely affect the product's operation, performance
or durability or that has been altered or modified so as
to change its intended use. The warranty does not
extend to repairs made necessary by normal wear or
by the use of parts or accessories which are either
incompatible with the RYOBI Product or adversely
affect its operation, performance or durability.

In addition, this warranty does not cover:

A. Tune-ups - Spark Plugs, Carburetor Adjustments,

Filters

B. Wear items - Bump Knobs, Outer Spools,

Cutting Line, Inner Reels, Starter Pulley,
Starter Ropes, Drive Belts

RYOBI reserves the right to change or improve the
design of any RYOBI Product without assuming 
any obligation to modify any product previously 
manufactured.

LIMITED TWO-YEAR WARRANTY

SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.

FOR QUESTIONS CALL 1-800-345-8746 IN U.S.

OR 1-800-265-6778 IN CANADA

OPERATOR’S MANUAL PART NO. 182218

REV. A (7869)

PRINTED IN U.S.A.

11/98

Summary of Contents for 2079r

Page 1: ...2079r 2 Cycle Gas Trimmer OPERATOR S MANUAL FOR QUESTIONS CALL 1 800 345 8746 in U S or 1 800 265 6778 in CANADA www ryobi com IMPORTANT MANUAL DO NOT THROW AWAY...

Page 2: ...aler nearest you DO NOT RETURN THE UNIT TO THE RETAILER NOTE PROOF OF PURCHASE WILL BE REQUIRED FOR WARRANTY SERVICE Make sure this manual is carefully read and understood before starting or operating...

Page 3: ...ith a spark arrestor If it requires replacement ask your LOCAL SERVICE dealer to install the Accessory Part 181696 Spark Arrestor Kit FOR QUESTIONS CALL 1 800 345 8746 IN U S OR 1 800 265 6778 in CANA...

Page 4: ...ctile Be aware of the risk of injury to the head hands and feet Clear the area to be cut before each use Remove all objects such as rocks broken glass nails wire or string which can be thrown or becom...

Page 5: ...e before repairing damage Do not operate the unit with loose or damaged parts Stop and switch the engine to off for maintenance repair or for changing the cutting attachment or other attachments Use o...

Page 6: ...operating instructions and safety precautions in the operator s manual can result in serious injury to the operator and or bystanders FOR SERVICE INFORMATION CALL USA 1 800 345 8746 CANADA 1 800 265...

Page 7: ...tion TRIMMER BRUSHCUTTER SAFETY WARNING Thrown objects and rotating cutter can cause severe injury Keep bystanders especially children and pets at least 50 feet 15 m away from the cutting area The cut...

Page 8: ...inch in diameter Other optional accessories may be used with the 2079r See list of add ons on page 11 RULES FOR SAFE OPERATION 8 Cutting Attachment Shield Gas Cap Throttle Control D Handle Line Cutti...

Page 9: ...ccording to the instructions on the container NEVER add fuel additives directly to the unit s fuel tank CAUTION For proper engine operation and maximum reliability pay strict attention to the oil and...

Page 10: ...5 With the unit on the ground squeeze the throttle control and hold Pull starter rope briskly Fig 3 Continue pulling until the engine sounds as though it wants to run normally 2 to 5 pulls NOTE Squeez...

Page 11: ...counterclockwise to loosen Fig 4 2 Press and hold the release button Fig 4 3 While firmly holding the upper shaft housing pull the cutting attachment or add on straight out of the Click Link coupler F...

Page 12: ...this unit Before operating the unit stand in the operating position Fig 7 Check for the following The operator is wearing eye protection and proper clothing The right arm is slightly bent and the han...

Page 13: ...ing cut Fig 10 NOTE Some maintenance procedures may require special tools or skills If you are unsure about these procedures take your unit to an authorized service dealer MAINTENANCE SCHEDULE These r...

Page 14: ...14 can be purchased from your local authorized dealer Fig 11 2 Remove the inner reel from the outer spool Fig 11 3 Remove spring from the inner reel Fig 11 NOTE An inner reel spring Part 610636 can be...

Page 15: ...release the line from the holding slots in the spool 7 Hold the inner reel in place and install the Bump Knob by turning clockwise Tighten securely Holding Slots 7 Wind the lines in tight even layers...

Page 16: ...Remove the air filter Fig 19 AIR FILTER MAINTENANCE Clean and re oil the air filter every 10 hours of operation NOTE Operating the unit without the air filter and air filter muffler cover assembly wi...

Page 17: ...hen the unit is turned off make sure the cutting attachment has stopped before the unit is set downIf after checking the fuel mixture and cleaning the air filter the engine still will not idle adjust...

Page 18: ...Do not sand blast scrape or clean electrodes Grit in the engine could damage the cylinder 0 025 in 0 655 mm Fig 24 ACCESSORIES REPLACEMENT PARTS 2 Cycle Oil 147543 Spark Plug 181765 Replacement Line 6...

Page 19: ...or damaged parts Repair or replace damaged parts and tighten loose screws nuts or bolts The unit is ready for storage TRANSPORTING Allow the engine to cool before transporting Secure the unit while tr...

Page 20: ...tch is OFF Turn switch to ON Empty gas tank Fill fuel tank Primer bulb wasn t pressed enough Press primer bulb fully and slowly 5 7 times Engine flooded Use starting procedure with choke lever in the...

Page 21: ...ll Position Starter Auto Rewind Muffler Baffled with Guard Throttle Manual Spring Return Fuel Tank Capacity 20 oz 591 ml Fuel Tank HD Polyethylene Drive Shaft Housing Aluminum Tube Throttle Control Fi...

Page 22: ...NOTES 22...

Page 23: ...the engine or equipment is delivered to the retail purchaser The manufacturer warrants to the initial owner and each subsequent purchaser that the engine is free from defects in material and workmans...

Page 24: ...or workmanship will be repaired or replaced by an authorized RYOBI service dealer without charge for parts and labor The RYOBI Product including any defective part must be returned to an authorized s...

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