® Environmentally friendly technology OPERATOR MANUAL PROPANE POWERED LINE TRIMMER ECO-TRIMMER MODELS: ST ST ST ST TABLE 025SS 025DC 025CS 025DS OF CONTENTS 2 Service and Safety.................................................................................... 3 Safe Operation Rules..................................................................................... 4 Understanding Your Trimmer............................................................... 5 Assembly ...............................
IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTION BEFORE OPERATING LEHR ECO-TRIMMER 4-CYCLE PROPANE TRIMMER For service call 1-866-941-LEHR in the United States, to obtain a list of authorized service dealers near you° For more details about your unit, visit our website at: www.golehrocom. . Inspect the unit before use, Replace damaged parts, . Check for fuel leaks,, Make sure all fasteners are in place and secure.
DURING OPERATION • Never start or run the unit inside a closed room or build ing. Breathing exhaust fumes can be fatal Operate this unit only in a well ventilated outdoor area. • Wear safety glasses or goggles that meet ANSI Z87,1 standards and are marked as such Wear earlhearing protection when operating this unit Wear a face or dust mask if the operation is dusty, . Wear heavy long pants, boots, gloves and a long sleeve shirt., Do not wear loose clothing, jewelry, short pants, sandals or go barefoot.
SAFETY AND INTERNATIONAL SYMBOLS This operator's manual describes safety and international Read the operator's WARNING: manual for complete Indicates danger, warning May be used in conjunction plctogr_phs WARNING: READ Read the operators safety, assembly, symbols and pictographs that may appear on this product operating and OPERATOR'S and repair information, or caution ONtOFF STOP CONTROLS ONfSTART/RUN with other symbols or manual(s) maintenance MANUAL: ON/OFF STOP CONTROL OFF or S
INSTALLING CUTTING ATTACHMENT SHIELD Use the following instructions if the cutting attachment shield on your unit is not installed, Use only the instructions that apply to the type of shaft and shield that your unit is equipped with,. FOR CURVED SHAFT TRIMMERS Place the cutting attachment shield and spacer against tube as shown in (Fig. 1), Use the 2 screws provided to clamp the cap and shield onto the tube. Tighten the screws evenly.
RECOMMENDED OIL TYPE 2. Place the unit on a level surface (fig.6). Using the proper type and weight of oil in the crankcase is extremely important. Check the oil before each use and change the oi! regularly. Failure to use the correct oil, or using dirty oil, can cause premature engine wear and failure.. Usea high-quality SAE 10W-30 weight oil of API (American Petroleum Institute) service class SF,SG, SH.
SAFETY WARNINGS FOR PROPANE UNITS NOTE:Use propane only in containers specifically designed and approved for this unit., Propane is a 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 user should be familiar with the smell of propane (smells like sulfur or rotten eggs). If at any time the smell of propane is identified, turn off the engine_, If the leak persists, remove the pro pane canister,.
USETHECORRECT PROPANE CANISTER Always usePropane canisters or"Bottles" that are the correct size. The 17 ounce or 16.4 ounce/465 g can isters that are approximately 3-7/8 inches (9°5 cm) in diameter are the correct canisters (Fig. 8). Do not use the smaller diameter canisters as they will not latch securely to the unit and vibration may cause damage to the trimmer and potentially result in a dangerous leak Propane Connector Fig, 9B REMOVING THE PROPANE CANISTER 1oMake sure the engine is off 2.
INSTALLING CUTTING ATTACHMENTS OR ADD-ONS NOTE: Place the unit on the ground or on a work bench to make accessory installation or removal easier,.
STARTING iNSTRUCT_ONS 1.Check theoillevelinthecrankcase., Refer to Checking theOilLevel(p,,12), 2.Turnswitch toONposition (Fig,, 13),. NOTE: Ifyourunitisequipped withaspringloaded type ONIOFF switch, itwillalways remain intheONposition,, 3 Place trimmer firmlyontheground oraverysturdy worksurface, Make surecuttingheadisclear ofall objects., Make sureallbystanders areaminimum of$0feet(15m)away, Donotattempt tostartnear pilotlightsoranyopenflame, Donotsmoke.
OPERATING YOUR TRIMIviER Before operating the unit, stand in the operating posi tion(Fig° 15),, Check forthe following: •The operatoriswearingeye protection and proper clothing,, • With a slightly-bent right arm, the operator's right hand is holding the shaft grip..
REFER TO PAGE 6 PAGE 13 PAGE 13 PAGE 13 PAGE 14 PAGE 17 MAINTENANCE REQUIRED FREQUENCY CHECK OIL BEFORE STARTING ENGINE EVERY 10HOURS CLEAN ANDRE-OIL AIRFILTER FIRSTCHANGE AT10HOURS CHANGE OIL EVERY 25HOURS THEREAFTER CHANGE OIL EVERY 25HOURS CHECK SPARK PLUG POSITION ANDGAP EVERY 25HOURS ROCKER ARMCLEARANCE ADJUSTMENT Perform these required maintenance procedures atthe CHECKING THE OIL LEVEL The importance of checking and frequency stated in the table° These procedures should also be a part of any seasona
CHANGING THE OIL 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 hoL The oil will flow freely and carry away more impurities, 1,,Unplug spark plug boot to prevent accidental starting. 2. Remove the oil fill plug/dipstick. 3 Pour the oil out of the oil fill hole and into a container CLEANING THE AIR FILTER Clean and re-oil the air filter every 10 hours of operation.
CARURETOR ADJUSTMENT The idle speed of the engine is adjustable, An idle adjust ment screw is on the rear side of the carburetor (Fig. 22), NOTE:Careless adjustments can seriously damage your unit. An authorized service dealer should make carburetor adjustments_ CLEAN AtR FILTER The condition of the air filter is important to the op eration of the unit A dirty or oil saturated air filter wilt restrict air flow, This is often mistaken for an out of ad justment carburetor.
TRIMMER HEADLINEINSTALLATION SMALL BUMP FEED HEAD (,,080" Line) 1 Review figure 28fornames ofparts referred tointhese instructions, 8,Continue windingcord in direction indicated as shown, leave about 6 inches free length (15-20 cm) to pull wire through holes in body. Snap the lines through top notches in reel (Fig, 26 and Fig.,27)° 2 Lock shaft by inserting allen key into hole in collar and turn until it engages groove inside, When shaft can no longer rotate, loosen head byturning it asshown (Fig, 24).
TRIMMER HEAD LINE iNSTALLATION LARGE BUMP FEEDHEAD (,095" Line) 6oSnapthe free length of linesinto top grooves in reel and pull through holes on trimmer head body (Fig°34 and Fig.35), 1. Lock shaft by inserting allen key into groove_ Loosen by turning head as shown for straight shaft,, if your model is a curved shaft, loosen by turning opposite the direction shown in (Fig. 3t),. Trimmer Head Body _-----Sp ting 2, Depress tab and twist trimmer head body CWto disassemble (Fig, 32)_ I ,_-.
BRUSH CUTTER BLADE REMOVAL I INSTALLATION t Remove the cotter pin (Fig 38). GUARD CHANGE NOTE: When using the brush cutter blade remove the bottom shield attachment by removing the screw, Replace when using line trimmer head (Rg 41). W "_ Screw CoI_erPin Cutling At[achment / She_ld Fi.q..38 J 2, Insert an allen key into the hole in the shroud to lock the shaft° Remove the left-hand thread nut to dissasemble with tool provided in the tool kit (Fig.
ROCKER ARM CLEARANCE ADJUSTMENT 5..Clean dirt from around the rocker arm cover,. 6. Remove the three screws holding the rocker arm cover with a phillips head screwdriver, 7. Remove the rocker arm cover and gasket (Fig. 43), Rocker Arm Cover Screws FigA3 IF THE CLEARANCE IS NOT WITHIN SPECIFICATION 1,.Loosen the jam nut and turn the adjusting screw as necessary.
CLEANING Useasmallbrush toclean theoutside oftheunit,Do notusestrongdetergents_ Household cleaners that contain aromatic oilssuchaspineandlemon, andsol ventssuchaskerosene, candamage plastic housing or handle. Wipeoffanymoisture withsoftcloth_ LONG TERM STORAGE STORAGE . Remove propane canister. •Never store theunitwithattached propane canister where fumes mayreach anopen flame orsparlc •Allowthe engine tocoolbefore storing. •Lock uptheunittoprevent unauthorized useordamage, .
ENGINE* ENGINE TYPE AIR COOLED 4-CYCLE 2&4 CC DISPLACEMENT CENTRIFUGAL CLUTCH TYPE OPERATING R.PM,, IDLE SPEED 6,800-9300 RoPM. 3,000-3,400 R, P.M, ELECTRONIC IGNITION TYPE IGNITION SWITCH PUSH ON/OFF SWITCH VALVE CLEARANCE 0,,076-0.,152MM SPARK PLUG GAP (0,,003_0o006 IN) 0,,020 INCH (&5 MM) SAE 10W-30 OIL LUBRICATION CRANKCASE OIL CAPACITY 1.
The limited warranty set forth below is g_ven by EH Rwith respect to new merchan dlse purchased and used tn the Untied States and Canada, Its possessions and t erritorieS_ LEHR warrants to the original purchaser that each new LEHR brand power tool or attachment Is free from defe_s in material and workmanship and agrees to repair or replace und_ this warranty any defective power product or attachmeot as follOws from the original date of purchase 3 yF_ - Part_ and Labor, on carburetor.
J 22 LEHRI ALLRIGHT RESERVED 2008-2009