Operation Manual
Page 1
OPERATOR'S MANUAL PROPANE POWERED LINE TRIMMER 16.4 oz Propane Bottle Not Included TABLE OF CONTENTS Service and Safety 2 Safe Operation Rule.s 3 Understanding Your Trimme...r 4 Assembly 5 Oil Information 6 Understanding Propan.e 7 Installing the Propane Canist.e..r 8 Installing Attachment.s 9 Starting / Stopping 10 Operation 11 Maintenance 12 Cleaning and Storage 19 Troubleshooting 19 Speci¯cations 20 Warranty 21 ECO-TRIMMER MODELS: ST 025SS...
OPERATOR'S MANUAL PROPANE POWERED LINE TRIMMER 16.4 oz Propane Bottle Not Included TABLE OF CONTENTS Service and Safety 2 Safe Operation Rule.s 3 Understanding Your Trimme...r 4 Assembly 5 Oil Information 6 Understanding Propan.e 7 Installing the Propane Canist.e..r 8 Installing Attachment.s 9 Starting / Stopping 10 Operation 11 Maintenance 12 Cleaning and Storage 19 Troubleshooting 19 Speci¯cations 20 Warranty 21 ECO-TRIMMER MODELS: ST 025SS...
Operation Manual
Page 2
.... Check with loose or damaged parts. • W st p m WARRANTY SERVICE. • W • Carefully inspect the area before starting the unit. Failure to follow these requirements. OTHER PATENTS ARE PENDING Remove all children, bystanders, and pets SPARK ARRESTOR NOTE NOTE: For users ...factory equipped with the controls and proper use . SERVICE AND SAFETY S LEHR ECO-TRIMMER IMPORTANT SAFETY INSTRUCTIONS DU 4-CYCLE PROPANE TRIMMER READ ALL INSTRUCTION BEFORE OPERATING • Ne For service call 1-866-941-LEHR in the United States, to in obtain a list of authorized service...
.... Check with loose or damaged parts. • W st p m WARRANTY SERVICE. • W • Carefully inspect the area before starting the unit. Failure to follow these requirements. OTHER PATENTS ARE PENDING Remove all children, bystanders, and pets SPARK ARRESTOR NOTE NOTE: For users ...factory equipped with the controls and proper use . SERVICE AND SAFETY S LEHR ECO-TRIMMER IMPORTANT SAFETY INSTRUCTIONS DU 4-CYCLE PROPANE TRIMMER READ ALL INSTRUCTION BEFORE OPERATING • Ne For service call 1-866-941-LEHR in the United States, to in obtain a list of authorized service...
Operation Manual
Page 3
...64257;rm grip on both trimming lines extended, and the proper line installed. SAVE THESE INSTRUCTIONS LEHR | ALL RIGHTS RESERVED 2008-2009 3 Do not oper ate unit without both handles or grips....the length of vegetation and other • Always hold the unit with propane canister attached inside a closed room or build - The cutting attachment remains stationary when the ...or muffler. Do not operate before repairing damage. These are marked as a trimmer. Be in a stable position while starting position spark. children. Wear ear/hearing protection when operating this unit. Do ...
...64257;rm grip on both trimming lines extended, and the proper line installed. SAVE THESE INSTRUCTIONS LEHR | ALL RIGHTS RESERVED 2008-2009 3 Do not oper ate unit without both handles or grips....the length of vegetation and other • Always hold the unit with propane canister attached inside a closed room or build - The cutting attachment remains stationary when the ...or muffler. Do not operate before repairing damage. These are marked as a trimmer. Be in a stable position while starting position spark. children. Wear ear/hearing protection when operating this unit. Do ...
Operation Manual
Page 4
UNDERSTANDING YOUR TRIMMER SAFETY AND INTERNATIONAL SYMBOLS This operator's manual describes safety and international symbols and pictographs that may get extremely hot from opera tion. WARNING: Indicates danger, warning or caution. Use a full face shield when needed. I ON/OFF STOP CONTROLS ON/START/RUN o ON/OFF STOP ... HOT SURFACE WARNING Do not touch a hot muf er, gear housing or cylinder. OTHER OPTIONAL ACCESSORIES MAY BE USED WITH YOUR UNIT 4 LEHR | ALL RIGHTS RESERVED 2008-2009 OIL : Refer to do not touch the line cutting blade. These parts get burned. THROWN OBJECTS AND ...
UNDERSTANDING YOUR TRIMMER SAFETY AND INTERNATIONAL SYMBOLS This operator's manual describes safety and international symbols and pictographs that may get extremely hot from opera tion. WARNING: Indicates danger, warning or caution. Use a full face shield when needed. I ON/OFF STOP CONTROLS ON/START/RUN o ON/OFF STOP ... HOT SURFACE WARNING Do not touch a hot muf er, gear housing or cylinder. OTHER OPTIONAL ACCESSORIES MAY BE USED WITH YOUR UNIT 4 LEHR | ALL RIGHTS RESERVED 2008-2009 OIL : Refer to do not touch the line cutting blade. These parts get burned. THROWN OBJECTS AND ...
Operation Manual
Page 6
...oil. Use a high-quality SAE 10W-30 weight oil of API (American Petroleum Institute) service class SF, SG, SH. In order to avoid damage to start the unit. Pour the entire bottle of oil into the oil ll hole (Fig. 7). 4-Cycle Motor Oil Fig. 5 WARNING: Overfilling crankcase may have spilled... and reinstall the oil plug/dipstick. 6 LEHR | ALL RIGHTS RESERVED 2008-2009 Your unit is shipped without oil. OIL INFORMATION RECOMMENDED OIL TYPE Using the proper type and weight of oil in...
...oil. Use a high-quality SAE 10W-30 weight oil of API (American Petroleum Institute) service class SF, SG, SH. In order to avoid damage to start the unit. Pour the entire bottle of oil into the oil ll hole (Fig. 7). 4-Cycle Motor Oil Fig. 5 WARNING: Overfilling crankcase may have spilled... and reinstall the oil plug/dipstick. 6 LEHR | ALL RIGHTS RESERVED 2008-2009 Your unit is shipped without oil. OIL INFORMATION RECOMMENDED OIL TYPE Using the proper type and weight of oil in...
Operation Manual
Page 10
...the rope smoothly and briskly. The engine should start with 3-5 pulls. NOTE: When starting position, do not squeeze the throttle control (Fig. 13). Allow the engine to Checking the Oil Level ( p. 12). 2. Throttle Control Fig. 13 10 LEHR | ALL RIGHTS RESERVED 2008-2009 WARNING: ALWAYS ... switch to ON position (Fig. 13). When done using the trimmer for the day, disconnect the propane canister from the throttle control. Stop/O Safety trigger Start/On(I) WARNING: AVOID ACCIDENTAL STARTING. MAKE SURE YOU ARE IN THE STARTING POSITION WHEN PULLING THE STARTER ROPE. (FIG. 14) TO AVOID...
...the rope smoothly and briskly. The engine should start with 3-5 pulls. NOTE: When starting position, do not squeeze the throttle control (Fig. 13). Allow the engine to Checking the Oil Level ( p. 12). 2. Throttle Control Fig. 13 10 LEHR | ALL RIGHTS RESERVED 2008-2009 WARNING: ALWAYS ... switch to ON position (Fig. 13). When done using the trimmer for the day, disconnect the propane canister from the throttle control. Stop/O Safety trigger Start/On(I) WARNING: AVOID ACCIDENTAL STARTING. MAKE SURE YOU ARE IN THE STARTING POSITION WHEN PULLING THE STARTER ROPE. (FIG. 14) TO AVOID...
Operation Manual
Page 12
...Dipstick WARNING: TO PREVENT EXTENSIVE ENGINE WEAR AND DAMGE TO THE UNIT, ALWAYS MAINTAIN THE PROPER OIL LEVEL IN THE CRANKCASE. MAINTENANCE FREQUENCY BEFORE STARTING ENGINE EVERY 10 HOURS FIRST CHANGE AT 10 HOURS EVERY 25 HOURS THEREAFTER E VERY 25 HOURS EVERY 25 HOURS MAINTENANCE REQUIRED CHECK OIL CLEAN...ADJ USTMENT REFER TO PAGE 6 PAGE 13 PAGE 13 PAGE 13 PAGE 14 PAGE 17 Perform these pro cedures call 1-866-941-LEHR for the location of your trimmer NOTE: Some maintenance procedures may be performed by any seasonal tune-up. NOTE: Maintenance, replacement, or repair of the emission ...
...Dipstick WARNING: TO PREVENT EXTENSIVE ENGINE WEAR AND DAMGE TO THE UNIT, ALWAYS MAINTAIN THE PROPER OIL LEVEL IN THE CRANKCASE. MAINTENANCE FREQUENCY BEFORE STARTING ENGINE EVERY 10 HOURS FIRST CHANGE AT 10 HOURS EVERY 25 HOURS THEREAFTER E VERY 25 HOURS EVERY 25 HOURS MAINTENANCE REQUIRED CHECK OIL CLEAN...ADJ USTMENT REFER TO PAGE 6 PAGE 13 PAGE 13 PAGE 13 PAGE 14 PAGE 17 Perform these pro cedures call 1-866-941-LEHR for the location of your trimmer NOTE: Some maintenance procedures may be performed by any seasonal tune-up. NOTE: Maintenance, replacement, or repair of the emission ...
Operation Manual
Page 13
... oil according to its side (Fig. 19). Reconnect the spark plug boot. Fig. 21 3. Apply enough clean SAE 10W-30 motor oil to prevent accidental starting. 2. The oil will VOID the warranty. 7. Remove the oil ll plug/dipstick. 3. Dispose of SAE 10W-30 SF, SG, or SH oil. If the level... still warm but not hot. Rinse the lter thoroughly and allow it to prevent injury when handling the unit. 4. Replace the oil ll plug/dipstick. 7. LEHR | ALL RIGHTS RESERVED 2008-2009 13 Then pull the air lter cover out and upwards (Fig. 21) . 2. Wash the lter in air lter cover. ...
... oil according to its side (Fig. 19). Reconnect the spark plug boot. Fig. 21 3. Apply enough clean SAE 10W-30 motor oil to prevent accidental starting. 2. The oil will VOID the warranty. 7. Remove the oil ll plug/dipstick. 3. Dispose of SAE 10W-30 SF, SG, or SH oil. If the level... still warm but not hot. Rinse the lter thoroughly and allow it to prevent injury when handling the unit. 4. Replace the oil ll plug/dipstick. 7. LEHR | ALL RIGHTS RESERVED 2008-2009 13 Then pull the air lter cover out and upwards (Fig. 21) . 2. Wash the lter in air lter cover. ...
Operation Manual
Page 14
...fouled or dirty spark plug. CLEAN AIR FILTER The condition of the air lter is a loss of engine power Check the spark plug for proper gap and condition. Refer to the op eration of the unit. Release ...SPARK PLUG ELECTRODES. Idle Adjustment Screw 3. The cor rect air gap is on acceleration •there is important to Starting/Stopping (p. 10) instructions. 2. An idle adjust ment screw is 0.02 in the cylinder head. NOTE: The cutting... justment carburetor. Turn the 5/8 in . (0.5 mm) Fig.23 14 LEHR | ALL RIGHTS RESERVED 2008-2009 socket clockwise until the engine idles smoothly.
...fouled or dirty spark plug. CLEAN AIR FILTER The condition of the air lter is a loss of engine power Check the spark plug for proper gap and condition. Refer to the op eration of the unit. Release ...SPARK PLUG ELECTRODES. Idle Adjustment Screw 3. The cor rect air gap is on acceleration •there is important to Starting/Stopping (p. 10) instructions. 2. An idle adjust ment screw is 0.02 in the cylinder head. NOTE: The cutting... justment carburetor. Turn the 5/8 in . (0.5 mm) Fig.23 14 LEHR | ALL RIGHTS RESERVED 2008-2009 socket clockwise until the engine idles smoothly.
Operation Manual
Page 18
...at the top of its travel by looking down into the spark plug hole. Jam Nuts Feeler Gauge Exhaust Valve Intake Valve Fig.44 18 LEHR | ALL RIGHTS RESERVED 2008-2009 If this statement is set. 3. Measure both intake and exhaust is known as necessary. Reinstall the rocker ...is 0.076-0.152mm (0.003-0.006in). • Use a standard automotive 0.127mm (0.005in) feeler gage. DISCONNECT THE SPARK PLUG WIRE TO ENSURE THAT THE UNIT CANNOT START. Remove the rocker arm cover and gasket (Fig. 43). Readjust if necessary. 4. ALWAYS SERVICE AND REPAIR A COOL UNIT. To increase the clearance, turn the...
...at the top of its travel by looking down into the spark plug hole. Jam Nuts Feeler Gauge Exhaust Valve Intake Valve Fig.44 18 LEHR | ALL RIGHTS RESERVED 2008-2009 If this statement is set. 3. Measure both intake and exhaust is known as necessary. Reinstall the rocker ...is 0.076-0.152mm (0.003-0.006in). • Use a standard automotive 0.127mm (0.005in) feeler gage. DISCONNECT THE SPARK PLUG WIRE TO ENSURE THAT THE UNIT CANNOT START. Remove the rocker arm cover and gasket (Fig. 43). Readjust if necessary. 4. ALWAYS SERVICE AND REPAIR A COOL UNIT. To increase the clearance, turn the...
Operation Manual
Page 19
...of the unit. TRANSPORTING • Allow the engine to Federal, State and Local regulations. 4. Remove propane canister. 2. Remove the spark plug and put 5 drops of children. NOTE: Remove the spark ...parts and tighten loose screws, nuts or bolts. LEHR | ALL RIGHTS RESERVED 2008-2009 19 CLEANING AND STORAGE CLEANING Use a small brush to start the trimmer after storage. 3. Allow the engine to prevent ... WITH GRASS STOP ENGINE AND CLEAN THE CUTTING ATTACHMENT DIRTY AIR FILTER ENGINE LACKS POWER OR STALLS WHEN CUTTING CAUSE BAD SPARK PLUG CLEAN OR REPLACE THE AIR FILTER ACTION...
...of the unit. TRANSPORTING • Allow the engine to Federal, State and Local regulations. 4. Remove propane canister. 2. Remove the spark plug and put 5 drops of children. NOTE: Remove the spark ...parts and tighten loose screws, nuts or bolts. LEHR | ALL RIGHTS RESERVED 2008-2009 19 CLEANING AND STORAGE CLEANING Use a small brush to start the trimmer after storage. 3. Allow the engine to prevent ... WITH GRASS STOP ENGINE AND CLEAN THE CUTTING ATTACHMENT DIRTY AIR FILTER ENGINE LACKS POWER OR STALLS WHEN CUTTING CAUSE BAD SPARK PLUG CLEAN OR REPLACE THE AIR FILTER ACTION...
