The Stihl HS 80 ask the same basic maintenance as any small two - oscillation engine . Regular upkeep , surveil the procedures in the proprietor ’s manual , should prevent most problems . repair within the abilities of most homeowners are simple and basic problems that are easy isolated . Without steady charge , several different problems may contribute to hard starting , personnel casualty of power and other coarse troubles .
Step 1
control the air filter first if the engine fires , but is reluctant to commence . Find the air filter concealment on the remaining side of the locomotive engine – the choke coil lever connected to a mechanism within . Set the choke coil to the in full closed position . Press down on the locking tab and slide the cover free . Dirt caked on the foam air filter prevents air from reaching the carburettor .
Step 2
cleared junk from around the carburettor consumption before removing and clean the zephyr filter cartridge . Wash the cartridge in average soap and water , and dry out the cartridge completely before reinstall the filter and cover .
Step 3
Check the electric discharge arrestor screen on the muffler exhaust fumes interface if the Stihl hedge trimmers runs , loses power and dies . choked spark arrestors prevent exhaust flow and strangle the combustion procedure . obtain the muffler port at the right-hand side of the engine .
Step 4
Remove the screw in the upper veracious quoin of the Stihl HS 80 muffler when the engine is whole moth-eaten . slither the discharge arrestor screen out and clean it if involve . A idle brushing with a cheek wire brush removes most carbon buildup . Replace the damaged or severely clogged screen .
Step 5
Check the spark plug if the railway locomotive run ill and emits smoky exhaust . Fouled plugs should be strip or replaced , but ill-gotten aura filter or too much crude oil in the fuel admixture may be the real drive of the problem .
Step 6
Adjust the Stihl HS 80 carburetor preferences to keep stall or constant motion of blade at baseless speed . Be certain the plug , filter , exhaust screen and even blade are clean and cultivate by rights before changing carburettor background . Find the carburettor adjustment screws on the top of the left over side of the engine near the air cleanser .
Step 7
aline the litre screw – the screw propeller toward the front of the engine – while the engine is warm up up and running . Screw the control clockwise until fully seated , and then back off one complete turn .
Step 8
right stalling by turning the LA nookie – the control screw toward the back of the locomotive – clockwise . When blades move , arrest and back off 1/2 turn .
Step 9
Stop blades from move lazily by turning LA nooky counterclockwise until the blades bar . Then , wrick the turnkey 1/2 play clockwise .
Tip
Ragged cuts leave from dull blade . If the trimmer cuts badly , then focus or replace the brand . rugged starter cords may be replaced by the proprietor , but recoil springs may also be broken . Broken springs can slash out when you remove the starter coil covers . Wear a face shield while doing this stamping ground , or take the trimming capacitor to a professional for this service .