10EnglishPress the upper tab (8) and close the air cleaner cover. (Fig. 6)Store stop cords (16) into the air cleaner cover. (Fig. 9)Some models may come with the parts installed.Installation of cutting attachment guard (Fig. 10)NOTEThe guard bracket may come already mounted to the gear caseon some models.Install the cutting attachment guard on drive shaft tube againstangle transmission. Tighten the guard bracket fi rmly so that thecutting attachment guard does not swing or move down duringoperation.Install the cutting attachment guard to the guard bracket, which alsosecures the guard to the gear case using the two guard mountingscrews.WARNINGIf an incorrect or faulty guard is fitted, this may cause seriouspersonal injury.CAUTIONSome cutting attachment guards are equipped with sharp linelimiters. Be careful with handling it.NOTEIf your unit has guard location label on drive shaft tube, followthe indication.Installation of cutting attachmentWARNINGInstall the cutting attachment properly and securely asinstructed in the handling instructions.If not attached properly or securely, it may come off and causeserious and/or fatal injury.Installation of semi-auto cutting head1. FunctionAutomatically feeds more nylon cutting line when it is tapped atlow rpm (not greater than 4500 /min).SpecificationsCode No. Type ofattaching screwDirection ofrotationSize ofattaching screw6696454 Female screw Counterclockwise M10×P1.25-LH6698639Applicable nylon cordCord diameter: Φ2.4 mm Length: 4 m2. Precautions○ The case must be securely attached to the cover.○ Check the cover, case and other components for cracks orother damage.○ Check the case and button for wear.If the wear limit mark (17) on the case is no longer visible orthere is a hole in the bottom (18) of the button, change the newparts immediately. (Fig. 11)○ The cutting head must be securely mounted to the unit’s gearcase.○ For outstanding performance and reliability, always use Tanakanylon cutting line. Never use wire or other materials that couldbecome a dangerous projectile.○ If the cutting head does not feed cutting line properly, checkthat the nylon line and all components are properly installed.Contact Tanaka dealer if you need assistance.3. Installation (Fig. 12)○ Install cutting head on gear case of grass trimmers/brushcutters. The mounting nut is left-hand-threaded. Turn clockwiseto loosen/counterclockwise to tighten.NOTEPress the stopper pin (19) of the gear case in order to lock thecutter holder.4. Adjusting line length○ Set the engine speed as low as possible and tap the head onthe ground. The nylon line will be drawn out about 3 cm witheach tap. (Fig. 13)Also, you can extend the nylon line by hand but the engine mustbe completely stopped. (Fig. 14)○ Adjust the nylon line to the proper length of 11–14 cm beforeeach operation.WARNINGFor Tanaka heads, use only flexible, non-metallic linerecommended by the manufacturer. Never use wire or wireropes. They can break off and become a dangerous projectile.OPERATING PROCEDURESFuel (Fig. 15)WARNING○ The trimmer is equipped with a two-stroke engine. Always runthe engine on fuel, which is mixed with oil.Provide good ventilation, when fueling or handling fuel.○ Fuel contains highly flammable and it is possible to get theserious personal injury when inhaling or spilling on your body.Always pay attention when handling fuel. Always have goodventilation when handling fuel inside building.Fuel○ Always use branded 89 octane unleaded gasoline.○ Use genuine two-cycle oil or use a mix between 25:1 to 50:1,please consult the oil bottle for the ratio or Tanaka dealer.○ If genuine oil is not available, use an anti-oxidant added qualityoil expressly labeled for air-cooled 2-cycle engine use (JASOFC GRADE OIL or ISO EGC GRADE). Do not use BIA or TCW(2-stroke water-cooling type) mixed oil.○ Never use multi-grade oil (10 W/30) or waste oil.○ Always mix fuel and oil in a separate clean container.Always start by filing half the amount of fuel, which is to be used.Then add the whole amount of oil. Mix (shake) the fuel mixture. Addthe remaining amount of fuel.Mix (shake) the fuel-mix thoroughly before filling the fuel tank.FuelingWARNING○ Always shut off the engine before refueling.○ Slowly open the fuel tank, when filling up with fuel, so thatpossible over-pressure disappears.○ Tighten the fuel cap carefully, after fueling.○ Always move the trimmer at least 3 m from the fueling areabefore starting.○ Always wash any spilled fuel from clothing immediately withsoap.○ Be sure to check for any fuel leakage after refueling.Before fueling, clean the tank cap area carefully, to ensure thatno dirt falls into the tank. Make sure that the fuel is well mixed byshaking the container, before fueling.