A string pruner ( often called a " weed eater " after the Weed Eater make of cosmic string pruner ) helps you cut down stubborn weeds and prospicient grasses that are inaccessible to a lawn mower ’s blade , such as the Gunter Wilhelm Grass growing against a fence , a house , a concrete pad or a Sir Herbert Beerbohm Tree or Charles William Post . Toro , a manufacturer of commercial and residential outdoor power equipment , produced two case of gasoline string trimmers as of 2011 : the 51954 and the 51974 good example drawing string trimmers . You need a specific type of gas admixture for these trimmers to decently run .
Gas
Both the 51954 and 51974 models practice a assortment of two - cycle locomotive rock oil and 87 - octane unleaded gasoline , or even leadless . The mixture ratio is 50 part gasoline to 1 part two - cycle rock oil . That ’s about 2.5 oz . of two - hertz locomotive oil per 1 congius of gas . Always unify your gasoline in a container specifically for holding gasoline , and mix the rock oil and gasolene outside or in a well - ventilate region . Avoid overfilling your trimmer joist ’s gas tank , or you could cause a fire hazard .
Starting Your Engine
Both of Toro ’s 2011 string trimming capacitor models have 25.4cc two - cycle locomotive . When you are quick to start your string trimmer ’s railway locomotive , move at least 30 feet away from where you mixed and filled your gas tank to avoid igniting any lingering fuel mixture on the ground . Always let the engine cool down before refilling it with your engine oil / petrol mixture , and always remove the fuel storehouse can from the area where you ’ll be work . Before storing your trimmer for the time of year , withdraw any fuel from the tank .
Warnings/Considerations
Do not mix more fuel than you will use in a 30 day period . If you are using aerate ( blended with ether or alcohol ) fuels , you must use only unleaded gasoline . Never use E85 fuel in your trimmer joist . you could use fuel that contain the following chemical compound percentages : 15 percent by volume MTBE , 10 percent by volume caryopsis alcohol or ethyl alcohol , or 5 percent by volume of wood or methyl alcohol . wood alcohol mixtures must contain chemical compound that stop corrosion and cosolvents . If you apply petrol with more than 5 percent wood spirit , then you could damage your trimmer joist .
Additional Specs
You have a three - year warrant on both of these trimmers . The 51954 model has a curved shaft , and it has a 17 - inch cutting track . It weighs 11.6 lbs . and uses 0.095 - inch - diameter cutting business line . As of former 2011 , The Toro 51954 string pruner cost about $ 150 . The 51974 modeling has an 18 - in cutting path and a straight slam . It weighs 12.5 lb . and has a 0.095 - inch - diameter line . As of early 2011 , the Toro 51974 string trimmer manakin be $ 190 . Both of these models are compliant with discharge standards in all 50 states .
