Ryobi 1079R Operator's Manual
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Ryobi 1079R Operator's Manual

Ryobi 1079R Operator's Manual

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OPERATOR'S
MANUAL
IMPORTANT
MANUAL

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Summary of Contents for Ryobi 1079R

  • Page 1 OPERATOR'S MANUAL IMPORTANT MANUAL...
  • Page 2 Copyright © 1998 Ryobi Outdoor Products, Inc. A. Maintenance Schedule ....All Rights Reserved. B. Line Installation ....... 15-16 Click-Link ® is a registered trademark of Ryobi Outdoor C. Installing a Prewound Reel ....Products. D. Checking the Oil Level ..... E. Changing the Oi! ......

  • Page 3: Important Engine Information

    This unit meets the 1995 to 1998 California emissions regulations for small off-road engines. These units are identified by the label on the engine of your product. A typical identification label is shown. To ensure that your unit continues to meet these regulations, refer to the following information and instructions in this operator's manual.

  • Page 4: Safety Information

    Use only 0.095 inch (2.41 ram) diameter genuine • Move the unit at least 30 ft. (9,1 m) from the fueling Ryobi replacement line. Never use metal-reinforced source and site before starting the engine, Do not line, wire, or rope, etc.. These can break off and smoke, keep sparks and open flames from the area become a dangerous projectile.
  • Page 5 Stop and switch the engine to off for maintenance, repair, or for changing the cutting attachment or other attachments. Use only genuine Ryobi replacement parts when servicing this unit. These parts are available from your authorized service dealer. Do not use parts, accessories or attachments not authorized by Ryobi for this unit.
  • Page 6 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 Indicates danger, warning, or caution. May be used in conjunction with other symbols or pictographs.
  • Page 7 SYMBOL MEANING WARNING: Do not operate without the cutting attachment shield in place. Keep away from the • THROWN OBJECTS AND ROTATING CUTTER CAUSE SEVERE INJURY ..,. rotating cutting attachment. • ON/OFF STOP CONTROL ON / START / RUN • ON/OFF STOP CONTROL OFF OR STOP •...
  • Page 8 APPLICATIONS As a trimmer; Gas Cap • Cutting grass and light weeds, • Edging Spark Plug • Decorative trimming around trees, fences, etc. With optional brushcutter kit; • Cutting weeds and light bush of up to 1/2 inch in diameter. Other optional accessories may be used with the 1079r.

  • Page 9: Oil Type

    RECOMMENDED OIL TYPE Pour the entire bottle of oil into the oil fill hole (Fig. 3). Using the proper type and weight of oil in the _crankcase is extremely important. Check the oil before each use and change the oil regularly.

  • Page 10: Fuel Type

    RECOMMENDED FUEL TYPE FUELING UNIT OId fuel is usually the main reason for the unit WARNING: Gasoline is extremely flammable not running properly. Be sure to use fresh, and its vapors can explode if ignited. To avoid serious personal injury, always stop the clean, unleaded Gasoline.

  • Page 11: Starting Instructions

    STARTING INSTRUCTIONS 6. With the unit in the starting position pull the starter rope briskly until the engine sounds as though it WARNING; Operate this unit only in a we_t wants to run (normally 2 to 5 pulls) (Fig. 7). ventilated area outdoors.
  • Page 12 OPERATING THE CLICK-LINK ® SYSTEM 2. While firmly holding the add-on, push it straight into the Click-Link ® coupler (Fig. 9). The Click-Link ® system enables the use of these optional add-ons. NOTE: Aligning the release button with the guide recess Blower/Vacuum ......

  • Page 13: Holding The Trimmer

    HOLDING THE TRIMMER ADJUSTING TRIMMING LINE LENGTH The Bump Head cutting attachment al!ows you to release trimming line without stopping the engine. To and body protection to reduce the risk of release more line, lightly tap the cutting attachment on ARNING: Always wear eye, hearing, foot injury when operating this unit.

  • Page 14: Maintenance

    TIPS FOR BEST TRIMMING RESULTS For example, the line will wear faster when trimming against a foundation wal! as opposed to trimming • Keep the cutting attachment parallel to the ground. around a tree. • Do not force the cutting attachment. Allow the tip of DECORATIVE TRIMMING the line to do the cutting, especially along walls.

  • Page 15: Line Installation

    5. Check the indexing teeth on the inner reel and outer spool for wear (Fig. 17). If necessary, remove burrs Always use genuine Ryobi 0.095 inch (2.41 mm.) or replace the reel and spool. replacement line. Larger line may make the engine overheat or fail.
  • Page 16 7. Wind the lines in tight even layers, onto the reel Place the spring in the inner reel. Insert the ends of (Fig,19). Wind the line in the direction indicated on the line through the eyelets in the outer spool and the inner reel.

  • Page 17: Checking The Oil Level

    CHECKING THE OIL LEVEL CHANGING THE OIL For a new engine, change the oil after the first 10 hours CAUTION: To prevent extensive engine wear of operation. Thereafter, change the oil after every 25 and damage to the unit, always maintain the hours or before storing the unit for an extended period of proper oil level in the crankcase.

  • Page 18: Air Filter Maintenance

    AIR FILTER MAINTENANCE 5. Apply enough clean SAE 30 motor oi_to lightly coat the filter (Fig. 27). Cleaning the Air Filter always turn your trimmer off and allow it to cool before you clean or do any maintenance ARNING: To avoid serious personal injury, on it.
  • Page 19 CARBURETOR ADJUSTMENT If the cutting attachment rotates when the engine idles, turn the idle speed screw counterclockwise The idle speed of the engine is adjustable though the Air of a turn at a time (as needed), to reduce idle speed. filter/muffler cover (Fig 30).

  • Page 20: Rocker Arm Clearance

    ROCKER ARM CLEARANCE 6. Remove the screw holding the rocker arm cover with a large flat blade screwdriver or Torx T25 bit (Fig. NOTE: This requires some disassembly of the engine, tf 33). Remove the rocker arm cover, and gasket. you feel unsure or unqualified to perform this, take the unit to an authorized service center.

  • Page 21: Replacing The Spark Plug

    recommended clearance for both intake and REPLACING THE SPARK PLUG exhaust is ,003-.006 in, (.076-.0152 mm). The feeler Use a Champion RDZ19H spark plug (or equivalent). The gauge should slide between the rocker arm and valve correct air gap is 0,025 in, (0,655 ram,). Remove the stem with a slight amount of resistance, without binding.
  • Page 22 ACCESSORIES/REPLACEMENT PARTS The 1079r trimmer is convertible to a brushcutter with the optional Brush Blade Kit. The kit contains all the 4-Cycle Oil ......181786 necessary parts to safely convert the trimmer to Oil Fill Plug/Dipstick ...... 181975 brushcutter capability. Spark Plug ......
  • Page 23 CAUSE ACTION Turn switch to ON Ignition switch is OFF Empty gas tank Fill gas tank Press primer bulb fully and slowly 5-7 times Primer bulb wasn't pressed enough Use starting procedure with choke lever in the Engine flooded RUN position, Pg. 11 Old Gasoline Drain gas tank / Add fresh Gasoline Fouled spark plug...
  • Page 24 ENGINE Engine Type ..............Air-Cooled, 4-Cycle Displacement ..............1.6 cu. in. (26.2 co) Clutch Type ................. Centrifugal Operating RPM (Trimmer) ............7,700-8,600 Idle Speed RPM ..............2,800-3,400 Ignition Type ................. Electronic Ignition Switch ..............Toggle Switch Valve clearance (intake and exhaust) ........

  • Page 25: Emission Control Warranty

    CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board and Ryobi Outdoor MANUFACTURER'S WARRANTY COVERAGE: Products (ROP), are pleased to explain the emission • The warranty period begins on the date the engine or control system warranty on your 1995 and later small equipment is delivered to the retail purchaser.

  • Page 26: Warranty

    This warranty gives you specific legal rights, and you the RYOBI Operator's Manual. This warranty does not may also have other rights which vary from state to apply to any damage to the RYOBI Product that is the state. result of improper maintenance or to any RYOBI...

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