Makita EM3400U Original Instruction Manual

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Makita EM3400U Original Instruction Manual Manual pdf 19 page image

19(1)(2)0.6 mm - 0.7 mm(0.024” - 0.028”)CHECKING THE SPARK PLUG– Only use the supplied universal wrench to remove or to install the spark plug.– The gap between the two electrodes of the spark plug should be 0.6 - 0.7 mm(0.024” - 0.028”). If the gap is too wide or too narrow, adjust it. If the sparkplug is clogged or contaminated, clean it thoroughly or replace it.Place the plug cap properly as illustrated after checking.CAUTION: Never touch the spark plug connector while the engine is running(danger of high voltage electric shock).SUPPLY OF GREASE TO GEAR CASE– Supply grease (Shell Alvania 2 or equivalent) to the gear case (1) through thegrease hole (2) every 30 hours. (Genuine MAKITA grease may be purchasedfrom your MAKITA dealer.)CLEANING OF FUEL FILTERWARNING: INFLAMMABLES STRICTLY PROHIBITEDInterval of inspection: Monthly (every 50 operating hours)Suction head in the fuel tankCheck the fuel filter (1) periodically. To check the fuel filter, follow the stepsbelow:1. Remove the fuel tank cap, drain the fuel to empty the tank. Check the tankinside for any foreign materials. If any, remove them.2. Pull out the suction head by using a wire hook through the tank opening.3. If the fuel filter clogged slightly, clean it. To clean it, gently shake and tapit in fuel. To avoid damage, do not squeeze or rub it. The fuel used for thecleaning must be disposed in accordance with the method specified byregulations in your country.If the fuel filter became hard or heavily clogged up, replace it.4. After checking, cleaning or replacing, insert the fuel filter into the fuel pipe(3) and fix it by the hose clamp (2). Push the fuel filter in all the way to thebottom of the fuel tank.Clogged or damaged fuel filter can cause insufficient fuel supply and reduceengine power. Replace the fuel filter at least quarterly to ensure satisfactory fuelsupply to the carburetor.(1)(2)(3)(1)