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Craftsman 25cc - Propane Curved Shaft Trimmer Powered by Lehr Operation Manual

Propane powered line trimmer
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OPERATOR'S MA NUAL
PROPANE POWERED LINE TRIMMER

TABLE OF CONTENTS

Service and Safety .............................................................
Safe Operation Rules ..........................................................
Understanding Your Trimmer ...............................................
Assembly ...........................................................................
Oil Information ....................................................................
Understanding Propane ......................................................
Installing the Propane Canister ............................................
Installing Attachments .........................................................
Starting / Stopping ...........................................................
Operation .........................................................................
Maintenance ....................................................................
Cleaning and Storage .......................................................
Troubleshooting ................................................................
Warranty ..........................................................................
ECO-TRIMMER
16.4 oz Propane Bottle
Not Included
MODELS:
2
3
DO NOT RETURN THE UNIT
4
5
TO THE RETAILER
6
7
Call 1-866-941-LEHR (5347)
8
9
10
11
12
19
19
20
21
ST 025SS
ST 025 DC
ST 025CS
ST 025 DS
WARNING:
THE ENGINE EXHAUST FROM THIS
PRODUCT CONTAINS CHEMICALS
KNOWN TO THE S TATE OF CALIFORNIA
TO CAUSE CANCER, BIRTH DEFECTS
OR OTHER REPRODUCTIVE HARM.
LEHR
|
ALL RIGHTS RESERVED 2008-2009

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  Summary of Contents for Craftsman 25cc - Propane Curved Shaft Trimmer Powered by Lehr

  • Page 1: Table Of Contents

    OPERATOR’S MA NUAL PROPANE POWERED LINE TRIMMER ECO-TRIMMER 16.4 oz Propane Bottle Not Included MODELS: ST 025SS ST 025 DC ST 025CS ST 025 DS TABLE OF CONTENTS Service and Safety ............. Safe Operation Rules ............DO NOT RETURN THE UNIT Understanding Your Trimmer ..........
  • Page 2: Service And Safety

    SERVICE AND SAFETY LEHR ECO-TRIMMER IMPORTANT SAFETY INSTRUCTIONS • Ne READ ALL INSTRUCTION BEFORE OPERATING 4-CYCLE PROPANE TRIMMER For service call 1-866-941-LEHR in the United States, to • Inspect the unit before use. Replace damaged parts. obtain a list of authorized service dealers near you. For more details about your unit, visit our website at: •...
  • Page 3: Safe Operation Rules

    SAFE OPERATION RULES DURING OPERATION • Do not operate the engine faster than the speed needed • Never start or run the unit inside a closed room or build - to cut, trim or edge. Do not run the engine at high speed ing.
  • Page 4: Understanding Your Trimmer

    UNDERSTANDING YOUR TRIMMER 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. WARNING: Indicates danger, warning or caution. May be used in conjunction with other symbols or ON/OFF STOP CONTROLS ON/START/RUN pictographs.
  • Page 5: Assembly

    ASSEMBLY INSTALLING CUTTING ATTACHMENT SHIELD INSTALLING THE D-HANDLE AND LOWER HANDLE Use the following instructions if the cutting attachment STRAIGHT SHAFT AND ACCESSORY READY shield on your unit is not installed. Use only the TRIMMERS instructions that apply to the type of shaft and shield 1.Locate the 4 screws included in the tool kit.
  • Page 6: Oil Information

    OIL INFORMATION RECOMMENDED OIL TYPE 2. Place the unit on a level surface ( g.6). 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. Failure to use the correct oil, or using dirty oil, can cause premature engine wear and failure.
  • Page 7: Understanding Propane

    UNDERSTANDING PROPANE SAFETY WARNINGS FOR PROPANE UNITS NOTE: FIRE/EXPLOSION HAZARD NOTE: Use propane only in containers speci cally Contains enough gas to cause serious re, explosion, designed and approved for this unit. Propane is a and burns. To reduce chance of leak, re, or explosion, combustible gas, it is colorless and thus invisible to the take the following precautions: naked eye.
  • Page 8: Installing The Propane Canister

    INSTALLING THE PROPANE CANISTER USE THE CORRECT PROPANE CANISTER Always use Propane canisters or “Bottles” that are the correct size. The 17 ounce or 16.4 ounce/465 g can - Propane isters that are approximately 3-7/8 inches (9.5 cm) in Connector diameter are the correct canisters (Fig.
  • Page 9: Installing Attachments

    INSTALLING ATTACHMENTS NOTE: Always install the attachment so that the engine INSTALLING CUTTING ATTACHMENTS OR ADD-ONS NOTE: Place the unit on the ground or on a work bench is upright (propane tank on bottom) when unit is oper - to make accessory installation or removal easier. ated.
  • Page 10: Starting/Stopping

    STARTING/STOPPING STARTING INSTRUCTIONS 1. Check the oil level in the crankcase. Refer to Checking the Oil Level ( p. 12). 2. Turn switch to ON position (Fig. 13). NOTE: If your unit is equipped with a spring loaded type ON/OFF switch, it will always remain in the ON position. 3.
  • Page 11: Operation

    OPERATION OPERATING YOUR TRIMMER For example, the line will wear faster when trimming Before operating the unit, stand in the operating posi - against a foundation wall as opposed to trimming tion (Fig. 15). Check for the following: around a tree. •...
  • Page 12: Maintenance

    MAINTENANCE FREQUENCY MAINTENANCE REQUIRED REFER TO CHECK OIL PAGE 6 BEFORE STARTING ENGINE PAGE 13 EVERY 10 HOURS CLEAN AND RE-OIL AIR FILTER FIRST CHANGE AT 10 HOURS CHANGE OIL PAGE 13 EVERY 25 HOURS THEREAFTER CHANGE OIL PAGE 13 E VERY 25 HOURS CHECK SPARK PLUG POSITION AND GAP PAGE 14...
  • Page 13 MAINTENANCE CHANGING THE OIL CLEANING THE AIR FILTER For a new engine, change the oil after the rst 10 hours Clean and re-oil the air lter every 10 hours of operation. It is an important item to maintain. Failure to maintain of operation.
  • Page 14 MAINTENANCE CARURETOR ADJUSTMENT 3. If the cutting attachment rotates when the engine The idle speed of the engine is adjustable. An idle adjust - idles, turn the idle speed screw counterclockwise ment screw is on the rear side of the carburetor (Fig. 22). 1/8 of a turn at a time (as needed), to reduce idle speed.
  • Page 15 MAINTENANCE TRIMMER HEAD LINE INSTALLATION 8. Continue winding cord in direction indicated as SMALL BUMP FEED HEAD (.080” Line) shown, leave about 6 inches free length (15-20 cm) to pull wire through holes in body. Snap the lines 1. Review gure 28 for names of parts referred to in these through top notches in reel (Fig.
  • Page 16 MAINTENANCE 6. Snap the free length of lines into top grooves in reel and pull TRIMMER HEAD LINE INSTALLATION LARGE BUMP FEED HEAD (.095” Line) through holes on trimmer head body (Fig. 34 and Fig. 35). 1. Lock shaft by inserting allen key into groove. Loosen Trimmer Head by turning head as shown for straight shaft.
  • Page 17 MAINTENANCE BrUSH CUTTer BlaDe remoVal / inSTallaTion GUarD CHanGe 1.Remove the cotter pin (Fig. 38). NOTE: When using the brush cutter blade remove the bottom shield attachment by removing the screw. Replace when using line trimmer head (Fig. 41). Screw Left-Hand Thread Nut Cotter Pin Cutting Attachment...
  • Page 18 MAINTENANCE ROCKER ARM CLEARANCE ADJUSTMENT IF THE CLEARANCE IS NOT WITHIN SPECIFICATION 5. Clean dirt from around the rocker arm cover. 1. Loosen the jam nut and turn the adjusting screw as necessary. To increase the clearance, turn the 6. Remove the three screws holding the rocker arm adjusting screw CCW.
  • Page 19: Cleaning And Storage

    CLEANING AND STORAGE 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.
  • Page 20: Specifications

    SPECIFICATIONS ENGINE* ENGINE TYPE AIR COOLED 4-CYCLE DISPLACEMENT 25.4 CC CLUTCH TYPE CENTRIFUGAL OPERATING R.P.M. 6,800-9300 R.P.M. IDLE SPEED 3,000-3,400 R.P.M. IGNITION TYPE ELECTRONIC IGNITION SWITCH PUSH ON/OFF SWITCH VALVE CLEARANCE 0.076-0.152MM (0.003-0.006 IN) SPARK PLUG GAP 0.020 INCH (0.5 MM) LUBRICATION SAE 10W-30 OIL CRANKCASE OIL CAPACITY...
  • Page 21: Speci Cations

    MANUFACTURER’S LIMITED WARRANTY The limited warranty set forth below is given by L EHR with respect to new merchan- DEFECTS WARRANTY REQUIREMENTS: dise purchased and used in the United States and Canada, its possessions and (a) The warranty period begins on the date the engine or equipment is delivered to an territories.
  • Page 22 NOTES LEHR ALL RIGHT RESERVED 2008-2009...