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manual abstract
Cold engine (cold start) Starting / Stopping the Engine 3 1 2 4907BA001 KN 4 547BA015 KN 2 Throttle trigger 3 Stop switch with Run and 0 =Stop positions. Function of stop switch and ignition system The stop switch is normally in the Run position: Ignition is on in this position – the engine is ready to start and may be started. If the stop switch is moved to the 0 position, the ignition is switched off. It is automatically switched on again after the engine comes to a standstill. 5 547BA016 KN NPress in the choke lever (5) and turn it to gat the same time. Warm engine (warm start) 5 547BA017 KN NPress in the choke lever (5) and turn it to < at the same time. Also use this setting if the engine has been running but is still cold. Cranking N Remove the chain guard. 275BA007 KN N Place the unit on the ground: It must rest securely on the engine support and the hook. If necessary, rest the hook on a raised support (e.g. a branch, mound or something similar). Check that the chain is not touching any object or the ground. Check that nobody is standing within the working range of the pruner. N Make sure you have a firm footing. N Hold the unit firmly on the ground with your left hand and press down – do not touch the throttle trigger or throttle trigger interlock. Do not stand or kneel on the drive tube. N Hold the starter grip with your right hand. N Pull the starter grip steadily. Do not pull out the starter rope all the way – it might otherwise break. 22 HT 56 C English N Do not let the starter grip snap back. Guide it slowly back into the housing so that the starter rope can rewind properly. N Continue cranking until the engine runs. As soon as the engine runs 547BA021 KN NPress down the throttle trigger interlock and open the throttle – the choke lever moves to the run position F. After a cold start, warm up the engine by opening the throttle several times. Make sure the carburetor is correctly adjusted. The saw chain must not move when the engine is idling. Your machine is now ready for operation. Shut off the engine N Move the stop switch in the direction of 0 – the engine stops – release the stop switch – it springs back to the run position. Other hints on starting Engine stalls in cold start position g or under acceleration N Move the choke lever to < and continue cranking until the engine runs. Engine does not start in warm start position < N Move the choke lever to g and continue cranking until the engine runs. If the engine does not start N Check that all settings are correct. N Check that there is fuel in the tank and refuel if necessary. N Check that the spark plug boot is properly connected. N Repeat the starting procedure. Fuel tank run until completely dry N After refueling, press the fuel pump bulb at least five times – even if the bulb is filled with fuel. N Set the choke lever to suit the engine temperature. N Start the engine. Transporting the Unit 4907BA004 KN The unit features a split drive tube that helps save space during transportation. Disconnecting the Drive Tube N Disconnect the shoulder strap from the carrying ring. N Place the unit on the ground: 1 4907BA005 KN 3 2 NLoosen the star knob (1) – do not remove it. NPull the front drive tube (2) out of the coupling sleeve (3). HT 56 C 23 English 4 4907BA011 KN NPush the cap (4) onto the end of the front drive tube. Make sure the ends of the drive tube are clean. Connecting the Drive Tube N Pull the cap off the front drive tube and keep it in a safe place. N Put the powerhead on the ground so that it rests on the machine support. N Examine ends of drive tube for dirt and clean if necessary. 5 4907BA006 KN 6 2 NSlide the lug (5) on the front drive tube (2) into the slot (6) in the coupling sleeve as far as stop – if necessary, turn the front drive tube (2) back and forth while pushing it home. 7 4907BA007 KN1 When correctly installed, the red line (7) (arrow point) must be flush with the end of the coupling sleeve. N Tighten down the star knob (1) firmly. N Attach the shoulder strap to the carrying ring. Operating Instructions During break-in period A factory-new machine should not be run at high revs (full throttle off load) for the first three tank fillings. This avoids unnecessary high loads during the break-in period. As all moving parts have to bed in during the break-in period, the frictional resistances in the engine are greater during this period. The engine develops its maximum power after about 5 to 15 tank fillings. During Operation Do not make the mixture leaner to achieve an apparent increase in power – this could damage the engine – see "Adjusting the Carburetor". Check chain tension frequently A new chain has to be retensioned more often than one that has been in use for some time. Chain cold Tension is correct when the chain fits snugly against the underside of the bar and can still be pulled along the bar by hand. Retension if necessary – see "Tensioning the Saw Chain". 24 HT 56 C Chain at operating temperature The chain st...
Other models in this manual:Garden Tools - HT 56 C (2.23 mb)