Assessments - 2, GPA: 3.5
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Fit a new spark plug after approx. To reduce the risk of fire and burn 100 operating hours injury, use only spark plugs or earlier if the electrodes are badly authorized by STIHL. Always press Rectify problems which have caused : Remove the fan housing. 000BA036 TR 151BA020 KN eroded. spark plug boot (2) snugly onto spark plug terminal (1) of the proper size. (Note: If terminal has detachable SAE adapter nut, it must be attached.) A loose connection between spark plug boot and ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause a fire. : Use a screwdriver or suitable pliers to carefully remove spring clip (2) from the starter post. : Remove the rope rotor (3). The rewind spring may pop out and uncoil during this operation – take care to avoid risk of injury. MS 192 C 43 English / USA : Use a screwdriver to pry the rope out of the starter grip. : Remove the remaining rope from the rotor and grip. starter grip and tie one of the special knots shown. 151BA021 KN :Thread the new rope through the 4151BA022 KN 151BA023 KN 5 :Coat rope rotor bearing bore with non-resinous oil. :Slip the rotor (3) with driver (5) over starter post – turn it back and forth to engage anchor loop of rewind spring. 151BA024 KN : Pull the knot back into the grip. : Thread the rope through the top of the guide bushing (4). : Pull the starter rope through the rotor and secure it with a simple overhand knot. : The spring underneather the driver must engage the rope rotor and the driver (see arrows). 44 MS 192 C English / USA 6151BA025 KN 6 : Fit the pawls (6) in the rope rotor. : Fit the washer (7) on the starter post. : Use screwdriver or suitable pliers to install spring clip (2) on starter post and engage it on the pawl pegs– the spring clip must point clockwise – see illustration. Tensioning the rewind spring 151BA026 KN : Make a loop in the unwound starter rope and use it to turn the rope rotor six full revolutions in the direction of the arrow. : Hold the rotor steady. : Pull out and straighten the twisted rope. : Release the rotor – let go of rope slowly so that it winds onto the rotor. The starter grip must locate firmly in the rope guide bushing. If the grip droops to one side: Add one more turn on rope rotor to increase spring tension. When starter rope is fully extended it must still be possible to rotate the rotor at least another half turn. If this is not the case, the spring is overtensioned and could break. : Take one turn of rope off the rotor. Replacing a broken rewind spring : Remove the rope rotor. The bits of spring in the fan housing might still be under tension and could fly apart when you take them out of the housing. To reduce risk of injury, wear eye and face protection and work gloves. : Use a screwdriver to carefully remove the parts of the spring from the housing. : Lubricate the new spring with a few drops of non-resinous oil. : Place the new spring with retaining frame in position in the fan housing – the spring loop must engage the lug in the housing. MS 192 C 45 English / USA : Apply suitable tools (screwdriver, punch, etc.) to the recesses (arrows) and push the spring into its seat – it slips out of the retaining frame in this process. : Reinstall the rope rotor, tension the rewind spring, fit the fan housing and secure in position. Storing the Machine For periods of about 3 months or longer: : Drain and clean the fuel tank in a well ventilated area. : Dispose of remaining fuel and cleaning solution properly in accordance with local environmental requirements. : Run engine until carburetor is dry, this helps prevent the carburetor diaphragms sticking together. : Remove the saw chain and guide bar, clean them and spray with corrosion inhibiting oil. : Thoroughly clean the unit, pay special attention to the cylinder fins and air filter. : If you use a biological chain and bar lubricant, e.g. STIHL BioPlus, completely fill the chain oil tank. : Store the unit in a dry and high or locked location, out of the reach of children and other unauthorized persons. Checking Chain Sprocket : Disengage the chain brake: Pull hand guard toward the handlebar. : Remove chain sprocket cover, chain and guide bar. Replace the chain sprocket: 001BA120 KN – after using two Oilomatic chains or sooner – if the wear marks (arrow) on the sprocket are deeper than approx. 0.02 in (0.5 mm) since this would reduce the life of the chain. Use a gauge (special accessory) to check the depth of the wear marks. 46 MS 192 C English / USA It is best to use two chains in rotation with one sprocket. Use only original STIHL chain sprockets to ensure correct operation of the chain brake. Have the chain sprocket replaced by a STIHL servicing dealer. MS 192 C 47 English / USA Maintaining and SharpeningSaw Chain Correctly sharpened chain 3/8 689BA020 KN A A properly sharpened chain slices through wood effortlessly and requires very little feed pressure. Do not work with a dull or damaged chain as it will ...