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Производитель: Homelite Размер: 24.36 mb Название файла: aa2ed980-0d22-4fcb-8a12-7cef5fd7e801.pdf Язык инструкции:

In addition to preventing chain contact with solid objects at the nose of the bar, the SAFE-T-TIP® also helps keep the chain away from abrasive surfaces, such as the ground. Keep it on the right hand side of the bar where it will be between the chain and the ground during flush with ground cutting. The mounting screw requires a 5/16 in. wrench (or adjustable wrench) to achieve the recommended torque of 35 to 45 in.lb. A torque within this range can be achieved by using the following method. n Tighten the screw with wrench until snug. n From the snug position, tighten the screw an additional 3/4 of a turn using a wrench. CLEANING THE AIR FILTER See Figures 61 - 62. n Activate the chain brake. n Remove the two screws holding the cylinder cover. n Lift the front of the cylinder cover past chain brake lever. n Lift the back of the cylinder cover past the handle. n Before removing the air filter from the carburetor, blow or brush as much loose dirt and sawdust from around the carburetor and chamber as possible. Note: Make sure to pull the choke rod out to keep the carburetor from being contaminated. n Lift the air filter off the air filter base. Choose one of the following cleaning options: n To lightly clean, tap the filter against a smooth, flat surface to dislodge most saw dust and dirt particles. Fig. 62 Fig. 61 cylinder cover screws air filter n After every 5 hours of operation, clean in warm soapy water, rinse, and let dry completely. Replace with a new filter after every 25 hours of use. Note : An alternate method is to clean the filter with compressed air. Always wear eye protection to avoid eye injury. n Reinstall the air filter. Note : If you use an air hose for drying, blow through both sides of filter. CAUTION: Make sure the air filter is correctly replaced before reassembly. Never run the engine without the air filter, serious damage could result. Page 34 — English Fig. 65 STOP cylinder cover screws Fig. 64 idle speed screw “T” starter cover vents Fig. 63 maintenance CLEANING THE STARTER UNIT See Figure 63. Use a brush or compressed air to keep the cooling vents of the starter assembly free and clean of debris. ADJUSTING THE CARBURETOR See Figure 64. Before adjusting the carburetor: n Use a brush or compressed air to clean the starter cover vents. n Clean the air filter. Refer to Cleaning the Air Filter in the Maintenance section of this manual. n Allow the engine to warm up prior to adjustment of engine idle speed. warning : Weather conditions and altitude may affect carburetion. Do not allow bystanders close to the chain saw while adjusting the carburetor. Idle Speed Adjustment —The idle speed adjustment controls how much the throttle valve stays open when the throttle trigger is released. To adjust: n Turn idle speed screw “T” clockwise to increase idle speed. n Turn idle speed screw “T” counterclockwise to decrease idle speed. WARNING: THE SAW CHAIN SHOULD NEVER TURN AT IDLE. Serious personal injury may result from the saw chain turning at idle. CLEANING THE ENGINE See Figures 65 - 68. Clean the cylinder fins and flywheel fins with compressed air or a brush periodically. Dangerous overheating of the engine may occur due to impurities on the cylinder. WARNING Never run the saw without all the parts, including the clutch cover and starter housing, securely in place. Because parts can fracture and pose a danger of thrown objects, leave repairs of the flywheel and clutch to factory trained authorized service center personnel. Page 35 — English maintenance n Remove the screws and cylinder cover as described previously. n Clean the cylinder fins. n Lift the chain brake over the post. n Lay the chain saw on its side with the bar and chain on the ground. n Remove the chain oil and fuel caps. n Remove the three screws that hold the starter housing in place. n Lift off the starter cover and set aside. n Replace chain oil and fuel caps to prevent contamination during cleaning. n Clean the flywheel fins. n Remove the chain oil and fuel caps. n Replace the starter housing. Reinstall screws and secure. n Replace the chain oil and fuel caps. n Replace the cylinder cover. Reinstall screws and secure. n Replace the chain brake on the post. NOTE: Check to ensure that the air filter is in the proper position before reinstalling the cylinder cover. Note: If you notice a power loss with the gaspowered tool, the exhaust port and muffler may be blocked with carbon deposits. These deposits may need to be removed to restore performance. We highly recommend that only qualified service technicians perform this service. Fig. 66 chain brake post chain oil cap fuel cap starter cover Fig. 68 Fig. 67 clean c ylinder fins clean flywheel fins Page 36 — English CHECKING THE FUEL FILTER See Figure 69. Check the fuel filter periodically. If contaminated or damaged, have fuel filter replaced by an authorized service center. REPLACING THE SPARK PLUG See Figure 70. This engine uses a Champion RCJ-6Y with .025 in. electrode gap. Use an...

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