If the blade does not turn when you squeeze the throttle trigger of the powerhead, make sure the attachment is fully inserted into the coupler. Always release the throttle trigger and allow powerhead engine to return to idle speed when not cutting. The blade should not turn while the engine is running at idle. If the blade turns at idle, do not use your unit. Refer to the CARBURETOR ADJUSTMENT section of the powerhead manual or contact your authorized service dealer. S Maintain good firm footing

(40 mm) Stroke: 0.98 in. (25 mm) Engine power to 1.40 hp ISO 8893: (1.05 kW) at 7,000 rpm Idle speed: 2,800 rpm Cut-off speed (rated): 10,500 rpm Max. output shaft speed (chain sprocket): 8,290 rpm Valve clearance Inlet valve: 0.004 in. (0.10 mm) Exhaust valve: 0.004 in. (0.10 mm) HT 130, HT 131 Displacement: 2.22 cu.in (36.3 cm3) Bore: 1.69 in (43 mm) Stroke: 0.98 in. (25 mm) Engine power to 1.90 hp (1.4 kW) ISO 8893: at 8,500 rpm Idle speed: 2,800 rpm Cut-off speed (rated): 10,500 rpm Max. out

Do not work with a dull or damaged chain as it will increase the physical effort required, produce unsatisfactory results and a higher rate of wear. N Clean the chain. N Check the chain for cracks in the links and damaged rivets. N Replace any damaged or worn parts of the chain and match the new parts to the shape and size of the original parts. Carbide-tipped saw chains (Duro) are particularly wear resistant. STIHL recommends you have your chain resharpened by a STIHL servicing dealer. It is ab

Storing for a long period See chapter on "Storing the Machine" Taking Care of the Guide Bar 3 2 1 390BA050 KN N Turn the bar over – every time you sharpen the chain and every time you replace the chain – this helps avoid one-sided wear, especially at the nose and underside of the bar. N Regularly clean the oil inlet hole (1), the oilway (2) and the bar groove (3). N Measure the groove depth – with the scale on the filing gauge (special accessory) – in the area used most for cutting. Chain type C

Accidental acceleration of the engine can cause the chain to rotate and cause serious injuries. Warning! Always switch off the engine and fit the scabbard over the cutting attachment before transporting the power tool over long distances. When transporting it in a vehicle, properly secure it to prevent turnover, fuel spillage and damage to the unit. Fuel Your STIHL power tool uses an oil- gasoline mixture for fuel (see the chapter on "Fuel" of your instruction manual). Warning! Gasoline is an ex

arranty FEATURES Available in major tractor colors SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

Slip Clutch Optional Approximate Weight 366 lbs 418 lbs 470 lbs 532 lbs Warranty 1 year limited warranty FEATURES Available in major tractor colors SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE