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Operator's Manual
®
4-Cycle
PROPANE POWERED TRIMMER
Models: 104.79212
104.79211
16.4 oz. / 465 g propane bottle
not included
• SAFETY
• ASSEMBLY
• OPERATION
• MAINTENANCE
For assistance with assembly
• TROUBLESHOOTING
or operation call:
• WARRANTY
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.com/craftsman
769-03546
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CRAFTSMAN WARNING: 4-CYCLE PROPANE TRIMMER When using this unit, you must follow these safety rules. Please read these to ensure the safety of the operator and any bystanders. TABLE OF CONTENTS Please keep these instructions for later use. Service and Safety ..................................................................... 2 Safe Operation Rules ................................................................. 3 Understanding your trimmer. .................................................4 I
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• Neverstartorruntheunitinsideaclosedroomor build • Do not operate the engine faster than the speed needed ing.Breathing exhaust fumescanbefatal.Operate this to cut, trim or edge. Do not run the engine at high speed when not cutting. unitonlyinawellventilatedoutdoorarea. •Wearsafetyglasses orgogglesthat meetANSI Z87.1 • Always stop the engine when cutting is delayed or when standards andaremarkedassuch.Wearear/hearing walking from one cutting location to another. protectionwhenoperatingthisunit.
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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 or caution. ON/ OFFSTOPCONTROLON / START/RUN May be used in conjunction with other symbols or I pictographs. WARNINGi READ OPERATOR'S MANuALI Read the operator's manual(s) and fo!low a!! warnings ON / OFFSTOPCON
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FOR STRAIGHT SHAFT TRIMMERS TOOL KIT Place the cutting attachment shield onto the shaft Your unit is provided with a tool kit (Fig.l). This tool kit consists of the following: mount. Install using provided hardware in the sequence as shown (Fig.3). Ji 4 mm Allen Wrench Shaft Mount 5 mm Allen Wrench \ _¢// 8 & 10 mm Wrench _ Four 5 mm Screws I I (/_ with captive washers I I i Cutting Attachment Shield I _ FourWashers Plate Washer "'_ _ Washer _ Lock Washer Attachin( Screws Fig. 3 Straight Shaft m
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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.
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SAFETY WARNINGS FOR PROPANE UNITS NOTE: FIRE/EXPLOSION HAZARD NOTE: Use propane only in containers specifically Contains enough gas to cause serious fire, explosion, designed and approved for this unit. Propane is a 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 BEFORE USE that it is possible to smell it. The propane odorant 1. Check propane cylinder and trimmer seals. Never us
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WARNING: Propane is highly flamable, and its vapors can explode if ignited. Propane Take the following precautions. Connector 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 - Fig. 9B rect canisters (Fig.8). Do not use the smaller diameter REMOVING THE PROPANE CANISTER canisters as they will not latch securely to the unit and vibration may cause dam
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AVAILABLE CUTTING ATTACHMENTS EDGING POSITION Brushcutter attachment .................................................. 358.79244 For edging, lock the release button of the cutting Edger attachment .............................................................. 358.79240 attachment into the 90° edging hole (Fig.11), so that the Cultivator attachment ...................................................... 358.79241 engine remains in the upright position while operating. Blower attachment ..........
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STARTING INSTRUCTIONS Start/On(I) Fast Idle Stop/Off Lock 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. Do not att
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OPERATING YOUR TRIMMER • Trim only when grass and weeds are dry. Before operating the unit, stand in the operating position • The life of your cutting line is dependent upon: (Fig. 15). Check for the following: 1. Proper adherence to explained trimming techniques • The operator is wearing eye protection and proper 2. What vegetation is cut clothing. 3. Where vegetation is cut • With a slightly bent right arm, the operator's right hand is holding the shaft grip. For example, the line will wear fa
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FREQUENCY MAINTENANCE REQUIRED REFER TO EVERY 10HOURS CLEANAND RE-OIL AIRFILTER PAGE 13 EVERY25 HOURSTHEREAFTER CHECKOIL PAGE 13 L%/ERY25HOURS CHECKSPARKPLUG POSIT1ONGAP PAGE 4 EVERY2S HOURS ROCKER ARMCLEARANCE ADJUSTMENT PAGE 16 CHECKING THE OIL LEVEL Perform these required maintenance procedures at the frequency stated in the table. These procedures The importance of checking and maintaining the proper should also be a part of any seasonal tune-up. oil level in the crankcase cannot be overemph
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CHANGING THE OIL CLEANING THE AIR FILTER For a new engine, change the oil after the first 10 hours Clean and re-oil the air filter every 10 hours of operation. of operation. Change the oil while the engine is still It is an important item to maintain. Failure to maintain warm but not hot. The oil will flow freely and carry 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 sta
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CARBURETOR ADJUSTMENT The idle speed of the engine is adjustable. An idle adjust- Idle Adjustment ment screw is on the rear side of the carburetor (Fig. 21). 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 opera- tion of the unit. A dirty or oil saturated air filter will restrict air flow. This is often mistaken for an out of adjustment
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3. Pull the ends of the line until the line bend is centered LINE REPLACEMENT between the two insertion holes and firmly against the For Hassle-Free TM Cutting Head side of the cutting head (Fig. 25). 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. NOTE: Before inserting new line into the holes in t
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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 1. Remove the four screws on the engine cover with a dead center).Check that the piston is at the top of phillips head screw driver (Fig. 26). its travel by looking down into the spark plug hole. Both valves should be closed and the rocker arms 2. Remove the engine cover. should move freely. If this statement is not true, 3. Disconnect the spark plug wire.
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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 2. Allow the engine to cool. Remove the spark plug and contain aromatic oils such as pine and lemon, and sol - put 5 drops of high quality motor oil into the cylinder. vents such as kerosene, can damage plastic housing or Pull the starter rope slowly to distribute the oil. Rein - handle. Wipe offany moisture with soft cloth. stall the sp
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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. / 465 G CANISTER CARBURETOR CHOKE-LESS, ALL POSITION STARTER PULL START WITH AUTO REWIND MUFFLER BAFFLED wITH GUARD THROTTLE SAFETY LOCK WITH MANUAL SPRING
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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. Sears will NOT pay
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Your Home For expert troubleshooting and home solutions advice: www.managemyhome.com For repair - in your home - of all major brand appliances, lawn and garden equipment, or heating and cooling systems, no matter who made it, no matter who sold it! For the replacement parts, accessories and owner's manuals that you need to do-it-yourself. For Sears professional installation of home appliances and items like garage door openers and water heaters. 1-800-4-MY-HOME ® (1-800-469-4663) Call anytime, d
