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Before installing the filter system, check the intake opening to make sure no dirt particles have fallen in. If they have, remove them. Replacing the spark plug CAUTION: Do not touch the spark plug or plug cap if the engine is running (high voltage). Switch off the engine before starting any maintenance work. A hot engine can cause burns. Wear protective gloves! The spark plug (Order No. 965 603 021) must be replaced in case of damage to the insulator, electrode erosion (burn) or if the electrodes are very dirty or oily. Turn the cover lock (6) to the ”Unlocked ” position and carefully remove the filter cover (7). Flip up the spark-plug cover (8). Pull the plug cap (8) off the spark plug. Use only the combination wrench supplied with the saw to remove the spark plug. Electrode gap The electrode gap must be .020" (0.5 mm). 0,5 mm Replacing the spark plug CAUTION: Do not touch the spark plug or plug cap if the engine is running (high voltage). Switch off the engine before starting any maintenance work. A hot engine can cause burns. Wear protective gloves! The spark plug (Order No. 965 603 021) must be replaced in case of damage to the insulator, electrode erosion (burn) or if the electrodes are very dirty or oily. Turn the cover lock (6) to the ”Unlocked ” position and carefully remove the filter cover (7). Flip up the spark-plug cover (8). Pull the plug cap (8) off the spark plug. Use only the combination wrench supplied with the saw to remove the spark plug. Electrode gap The electrode gap must be .020" (0.5 mm). 0,5 mm Checking the ignition spark Insert the combination wrench (9) between the hood and cylinder only as shown. CAUTION! Do not insert the combination tool into the spark plug hole, but make contact only with the cylinder (otherwise you may damage the engine). Using insulated pliers, hold the spark plug (10) (unscrewed but with the plug cap on) against the combination tool (away from the spark plug hole!). Switch the combination switch (11) to ”I”. Pull the starter cable hard. If the function is correct, an ignition spark must be visible near the electrodes. CAUTION: Use only BOSCH WSR 6F spark plug, CHAMPION RCJ-6Y or NGK BPMR 7A. Replacing the suction head The felt filter (13) of the suction head can become clogged. It is recommended to replace the suction head once every three months in order to ensure unimpeded fuel flow to the carburetor. Unscrew the tank cap (12), pull the retainer out of the opening. Empty fuel tank. Use a wire hook to pull the suction out of the tank opening for replacement. Caution: Do not allow fuel to come into contact with skin! 25 Replacing the starter cable Remove four screws (14). Remove starter housing (15). Unscrew two screws (16) and carefuly remove the air guide (17) from the starter housing (15). Proceed in the order (A - B - C - D). Remove all pieces of cable (18). Thread in a new starter cable (dia 4.0 mm, length 1000 mm) as shown (don’t forget the disc (19)) and knot both ends. Pull knot (20) into the cable pulley (21). CAUTION: Do not let the knots or the cable ends protrude from the outside of the cable pulley. Pull knot (22) into the cable grip (23). Guide the cable into the recess (24) on the cable drum and use the cable to turn the drum two turns in the direction shown by the arrow. Holding the cable drum in your left hand, straighten out the twist in the cable with your right hand, pull the cable tight, and hold. Release the cable drum. The drum.s spring force will now wind the cable around the drum. Repeat three times. The starter grip must be upright on the starter housing. NOTE: With the cable pulled all the way out, it must still be possible to turn the pulley another 1/4 turn against the return spring. CAUTION! Injury hazard! When you pull out the starter cable hold the starter handle firmly. It will whip back if the cable pulley is released by accident. Install the air guide (17) in reverse order. Make sure that the nub (25) fits into the slot (26) in the starter housing. When putting the starter housing back on, it may be necessary to pull the starter handle slightly until the starting mechanism engages. Replacing the return spring Remove the starter housing (see “Replacing the starter cable”). Take the air guide off the starter housing (see “Replacing the starter cable”). Take off circlip (1) (circlip pliers, see “Accessories”). Remove the cable pulley (2). Unscrew screw (3). Evenly lever the return spring (4) out of the catch using a screwdriver or similar tool. Be extremely careful - the return spring is under tension and can pop out of its housing! CAUTION! Injury hazard! Wear eye protection and work gloves when performing this work! Replacement return springs are delivered already tensioned in the housing. CAREFUL - the spring can pop out. If it does, it can be put back in as shown in the diagram (observe the direction of rotation). Before installing the new return spring (4) in the starter housing, grease it lightly with multipurpose grea...

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