Assessments - 5, GPA: 4.6 ( )

Fabricante : Husqvarna Arquivo Tamanho: 6.34 mb Arquivo Nome : 533d713e-b3dd-40ac-9e09-5b4a0724ff3e.pdf Língua de Ensino:

4. Turn adjustment screw (clockwise = tighter, counter-clockwise = looser) until feeler gauge is almost snug. Back off just enough to allow gauge to slip out with limited resistance. 5. While holding adjustment screw in place with Allen driver, tighten locknut with wrench. 6. Turn engine over several times, and return to TDC-compression. Recheck with proper feeler gauge to make sure clearance adjustment did not change as a result of tightening locknut. Readjust as necessary. 7. Replace rocker arm cover gasket to assure proper sealing and install cover. IMPORTANT! If new gasket is not available and/or old gasket is not damaged, old gasket may be reused. Never use cracked or damaged gaskets! CAUTION! n Performing a valve adjustment incorrectly may cause hard starting and/or can damage the engine. n If you are unfamiliar with this engine or uncomfortable with this procedure, consult with an authorized Shindaiwa servicing dealer. Spark Arrester Screen Maintenance Engine Cover Screws 3. With a small flat bladed screwdriver remove the 2 screws holding the spark arrester screen and cover to the muffler. See Figure 32. 4. Remove the screen and clean it with a stiff bristle brush. 5. Inspect the cylinder exhaust port for any carbon buildup. 6. Reassemble the spark arrester, muffler and engine cover in the reverse order of disassembly. If the engine becomes sluggish and low on power, check and clean the spark arrester screen. Engine Cover WARNING! Never operate the unit with a damage or missing muffler or spark arrester! Operating with a missing or damaged spark arrester is a fire hazard and could also damage your hearing. Muffler IMPORTANT! If you note excessive carbon buildup, consult with an authorized Shindaiwa servicing dealer. Muffler Gasket 1. With a 3 mm hex wrench remove the 3 engine cover screws and the engine cover. See Figure 32. 2. With a 4 mm hex wrench remove the 3 muffler bolts and the muffler. See Figure 32. Muffler Bolts Spark Arrester Screen Spark Arrester Cover Cover Screws Figure 32 Long Term Storage CAUTION! Gasoline stored in the carburetor for extended periods can cause hard starting and could also lead to increased service and maintenance cost. Whenever the unit will not be used for 30 days or longer, use the following procedures to prepare it for storage: n Clean external parts thoroughly. n Drain all the fuel from the fuel tank. IMPORTANT! All stored fuels should be stabilized with a fuel stabilizer such as STA-BIL™, if oil with fuel stabilizer is not used. n Remove the spark plug and pour about 1/4 ounce of 2-cycle mixing oil into the cylinder through the spark plug hole. Slowly pull the recoil starter 2 or 3 times so oil will evenly coat the interior of the engine. Reinstall the spark plug. n Before storing the unit, repair or replace any worn or damaged parts. n Remove the air cleaner element from the carburetor and clean it thoroughly with soap and water. Let dry and reassemble the element. n Store the unit in a clean, dust-free area. n Remove the remaining fuel from the fuel lines and carburetor. 1. Prime the primer bulb until no more fuel is passing through. 2. Start and run the engine until it stops running. 3. Repeat steps 1 and 2 until the engine will no longer start. Blade Sharpening When the cutting edges of the blade become dull, they can be resharpened with a few strokes of a file. In order to keep the blade in balance, all cutting edges must be sharpened equally. Shindaiwa Tornado™ Blade To sharpen the cutters on a Shindaiwa Tornado Blade, use a 7/32-inch round file. File the leading edge of each tooth to a razor edge. The top plate of each tooth should angle back 30°. Multiple-tooth Circular Blade Use a round file to maintain a radius of 0.04 to 0.06" (1 to 1.5 mm) at the base of each tooth. Cutting edges must be offset equally on each side. Round File 30° Figure 33 Round File WARNING! Sharpen only the cutting teeth of a blade. DO NOT alter the contour of the blade in any way. Figure 34 Troubleshooting Guide ENGINE DOES NOT START .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

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