Operator's Manual ® 4-Cycle PROPANE POWERED TRIMMER Models: 104.79212 104.79211 16.4 oz. / 465 g propane bottle not included For assistance • SAFETY • ASSEMBLY • OPERATION • MAINTENANCE • TROUBLESHOOTING • WARRANTY with assembly or operation call: 1-800-235-5878 CAUTION" Before using this product, read this manual and follow all safety rules and operating instructions. Sears, Roebuck and Co., Hoffman Estates, IL 60179, U.S.A. Visit our web site: www.sears.
CRAFTSMAN WARNING: 4-CYCLE PROPANE TRIMMER When TABLE OF CONTENTS Please keep these instructions Service and Safety ..................................................................... 2 Safe Operation Rules ................................................................. 3 Understanding your trimmer. .................................................4 Assembly ....................................................................................... 5 0il Information ...................................
• Neverstartor runthe unit insidea closedroomor build ing.Breathingexhaustfumescanbefatal.Operatethis unitonlyina wellventilatedoutdoorarea. •Wearsafetyglassesor gogglesthat meetANSIZ87.1 standardsandaremarkedassuch.Wearear/hearing protectionwhenoperatingthis unit.Weara faceor dust maskifthe operationisdusty. •Wearheavylongpants,boots,glovesanda longsleeve shirt.Donot wearlooseclothing,jewelry,shortpants, sandalsor gobarefoot.Securehairaboveshoulder level.
SAFETY & 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. WARNING: Indicates danger, warning May be used in conjunction pictographs. WARNINGi or caution. with other symbols or READ OPERATOR'S MANuALI Read the operator's manual(s) and fo!low a!! warnings and safety instructions.
FOR STRAIGHT SHAFT TRIMMERS TOOL KIT Your unit is provided with a tool kit (Fig.l). consists of the following: This tool kit Place the cutting attachment shield onto the shaft mount. Install using provided hardware in the sequence as shown (Fig.3).
RECOMENDED OIL TYPE 2. Place the unit on a level surface (Fig. 6). Using the proper type and weight ofoil in the crankcase isextremely important. Check the oil before each use and change the oil regularly. Failure to use the correct oil, or using dirty oil, can cause premature engine wear and failure. Use a high-quality SAE 10W-30 weight oil of API (American Petroleum Institute) service class SF,SG,SH. ADDING OIL TO THE CRANKCASE INITIAL USE NOTE:This unit isshipped without oil in the crankcase.
SAFETY WARNINGS FOR PROPANE UNITS NOTE: FIRE/EXPLOSION HAZARD NOTE: Use propane only in containers specifically designed and approved for this unit. Propane is a Contains enough gas to cause serious fire, explosion, and burns. To reduce chance of leak, fire, or explosion: combustible gas; it is colorless and thus invisible to the naked eye. Propane has a harmless odorant added so that it is possible to smell it. The propane odorant makes the propane smell like sulfer or rotten eggs.
WARNING: Propane is highly can explode flamable, and its vapors if ignited. Take the following Propane Connector precautions. USE THE CORRECT PROPANE CANISTER Always use Propane canisters or "Bottles" that are the correct size. The 17 ounce or 16.4 ounce canisters that are approximately 3-7/8 inch in diameter are the cor rect canisters (Fig.8).
AVAILABLE CUTTING ATTACHMENTS EDGING POSITION Brushcutter attachment .................................................. 358.79244 Edger attachment .............................................................. 358.79240 Cultivator attachment ...................................................... 358.79241 Blower attachment ............................................................ 358.79242 Pruner attachment ............................................................. 358.
STARTING INSTRUCTIONS Start/On(I) Fast Idle Lock Stop/Off 1. Check the oil level in the crankcase. Refer to Checking the Oil Level ( p.] 2). 2. Turn switch to ON position (Fig.] 4). Safety trigger NOTE: If your unit is equipped with a spring loaded type ON/OFF switch, it will always remain in the ON position. 3. Place trimmer firmly on the ground or a very sturdy work surface. Make sure cutting head is clear of all objects. Make sure all bystanders are a minimum of 50 feet (15m) away.
OPERATING YOUR TRIMMER • Trim only when grass and weeds are dry. Before operating the unit, stand in the operating (Fig. 15). Check for the following: • The operator clothing. is wearing eye protection position • The life of your cutting line is dependent 1. Proper adherence to explained and proper 2. What vegetation 3. Where vegetation • With a slightly bent right arm, the operator's right hand is holding the shaft grip.
FREQUENCY MAINTENANCE EVERY 10 HOURS CLEANAND RE-OILAIRFILTER PAGE 13 EVERY25HOURSTHEREAFTER CHECKOIL PAGE 13 L%/ERY25HOURS CHECKSPARKPLUG POSIT1ONGAP EVERY2S HOURS ROCKER ARM CLEARANCE ADJUSTMENT Perform these required maintenance REQUIRED 4 PAGE 16 The importance of checking and maintaining the proper oil level in the crankcase cannot be overemphasized. Check oil before each use: NOTE: Failure to maintain your trimmer at the recommended schedule may result in poor performance 1.
CHANGING THE OIL CLEANING THE AIR FILTER For a new engine, change the oil after the first 10 hours of operation. Change the oil while the engine is still warm but not hot. The oil will flow freely and carry Clean and re-oil the air filter every 10 hours of operation. It is an important item to maintain. Failure to maintain your air filter properly can result in poor performance or can cause permanent damage to your engine. away more impurities. 1. Unplug spark plug wire to prevent accidental starting.
CARBURETOR ADJUSTMENT The idle speed of the engine is adjustable. An idle adjustment screw is on the rear side of the carburetor (Fig. 21). Idle Adjustment Screw NOTE: Careless adjustments can seriously damage your unit. Only a Sears or other qualified dealer should make carburetor adjustments. CLEAN AIR FILTER The condition of the air filter is important to the operation of the unit. A dirty or oil saturated air filter will restrict air flow. This is often mistaken for an out of adjustment carburetor.
3. Pull the ends of the line until the line bend is centered LINE REPLACEMENT For Hassle-Free TM between the two insertion holes and firmly against the side of the cutting head (Fig. 25). Cutting Head Always use Craftsman Hassle Free XTRA QUIET Spiral Line. Choose the line size best suited for the job at hand. Red colored line is designed for cutting grass and small weeds. Black colored line is designed for cutting larger weeds and light brush.
ROCKER ARM CLEARANCE ADJUSTMENT 8. Pull the starter rope slowly to bring the piston to the top of its travel, (this position is known as top dead center).Check that the piston is at the top of its travel by looking down into the spark plug hole. Both valves should be closed and the rocker arms 1. Remove the four screws on the engine cover with a phillips head screw driver (Fig. 26). 2. Remove the engine cover. 3. Disconnect should move freely.
CLEANING LONG TERM STORAGE Use a small brush to clean the outside of the unit. Do 1. Remove propane canister. not use strong detergents. Household cleaners that contain aromatic oils such as pine and lemon, and sol vents such as kerosene, can damage plastic housing or handle. Wipe offany 2. Allow the engine to cool. Remove the spark plug and put 5 drops of high quality motor oil into the cylinder. Pull the starter rope slowly to distribute the oil. Rein stall the spark plug. moisture with soft cloth.
ENGINE _ ENGINETYPE AIR-COOLED 4-CYCLE DISPLACEMENT 25.4 CC CLUTCH TYPE CENTRIFUGAL OPERATING R.P.M. 6,800-9,300 R.P.M. IDLE SPEED 3,000-3,400 R.P.M. IGNITION TYPE ELECTRONIC IGNITION SWITCH PUSH ON/OFF SWITCH VALVE CLEARANCE 0.003-0.006 INCHES (0.076-0.152 mm) SPARK PLUG GAP 0.02 INCHES (0.5 mm) LUBRICATION SAE 10W-30 OIL FUEL PROPANE 16 OZ.
CRAFTSMAN FULL WARRANTY If this Craftsman product fails due to a defect in material or workmanship within two years from the date of purchase, return it to any Sears store, Parts and Repair Service Center, or other Craftsman outlet in the United States for free repair (or replacement if repair prove s impossible). This warranty applies for only 90 days if this product is ever used for commercial or rental purposes. This warranty covers ONLY defects in materal and workmanship.
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