Back on the forums again with my Stihl FS-80 trimmer. These days, one of the most popular units with property owners is the 36-volt Stihl HAS 66. Cracked or clogged fuel lines will deprive the carburetor and the engine of fuel, causing it to die when the trimmer reaches full power. Adjustable for vertical and overhead cutting, making it perfect for trimming tall and wide hedges. We can help you find your model number right away. Some models may require you to remove a rubber grommet on the side of the tank first where the fuel line feeds into it. It can be folded down to a length of just 125 cm so it fits easily into a car. My Stihl Weed Trimmer Is Dying at Full Throttle. When the high-speed screw on the carburetor is open too far, an excess of fuel enters the combustion chamber and not all of it ignites. STIHL hedge trimmers are designed and built for use in park and landscape maintenance, but can also be used for a variety of jobs around the home. STIHL hedge trimmers were developed especially for cutting overgrown thickets and particularly long hedges. The fuel filter prevents debris from entering the carburetor and engine, which can damage them. Set the idle screw to the point just before the chain starts spinning and adjust the low-speed midway between the the two points at which the engine starts to die. One should be marked L (low) and one marked H (high). I just wouldn't start a couple of years ago, so, bought a new one. To test for a clog, simply blow through the lines, observing any blockages. It's a small screen you can simply pull out after removing the muffler cover. To check the plug for damage/corrosion, first remove the wire and connecting harness from the spark plug. Once the engine is running again, allow it to idle for about a minute. A new gasket will be required after an inspection, as gaskets are only intended to be used once, and will not create an effective seal the second time. Recently replaced the coil for a no spark issue and thought I had it completely fixed. Adjusting these settings to lean out the fuel flow will solve the problem. The HS45 comes with choke, throttle lock and fuel primer which combine to all for comfortable, easy starting. this is the only reason i decided on the t in stead of the r. we also have an older stihl hs85, i think it is, this is older than the new r or t type hedge … Stihl 050 051 075 076 Chain Saw Service Repair Manual. They are specifically designed to match your model and meet your performance requirements. Stihl carburetors have three adjustment screws. The Stihl HS-80 is a professional series gas-powered hedge trimmer. The spark arrestor is behind the muffler. As a landscape builder, he helped establish two gardening companies. Ideal hedge trimmer for domestic work. MS290man, May 26, 2017, ... Stihl Hedge Trimmer… The air filter is located on top of your hedge trimmer’s carburetor and allows clean-flowing air into the engine, while eliminating debris. prey by swatting them straight in the face, but the rhino is far to ” I’ve seen that reported but I don’t buy it. The cover is sometimes held on by a tab that you can simply pop open, but you may need a screwdriver to remove some attaching screws. You can also grind them down with a small burr on a dremel/foredom. I have a Stihl FS55R string trimmer. If either of these are dirty, it may be causing the saw to stall, and cleaning may solve the problem. You will find the carburetor underneath the air filter, and once you have located it you can remove the air cleaner cap. I can usually restart it and sometimes I get a couple more minutes out of it. Some carburetors are fixed, meaning they have no adjustments. Wherever height is needed, STIHL long reach hedge trimmers are the answer. The remedy is to close the screw, but closing it too far is dangerous for the engine. Carb kit is cheap and I bet you a donut it'll fix your problem. Stihl 045 carb bogs. Maybe look at … I just wouldn't start a couple. Stihl 064 066 Chain Saw Service Repair Manual. STIHL stores are operated as independent businesses. The reason for that may be you're using the saw at altitude or the carburetor adjustment has simply slipped. Cracked or clogged fuel lines will deprive the carburetor and the engine of fuel, causing it to die when the trimmer reaches full power. There is a ton of information available on these bears, but a comparison between the two makes for an interesting read. Once you determine that there is an issue with your hedge trimmer, it’s possible to diagnose what’s causing the problem. Arbtalk.co.uk is a hub for the arboriculture industry in the UK. A faulty spark plug may not allow your hedge trimmer to run properly at full power. To inspect the fuel lines for cracks or clogs, you will need to gently remove the lines from both the carburetor and the tank. The spark plug’s job is to ignite the air and fuel mixture in the combustion chamber under any condition. Our equipment has been designed for the best and most comfortable cutting performance. Next, remove the spark plug and check its condition. I have a Stihl FS 55 trimmer. Lines should also be replaced if they appear old and cracked, as they can leak fuel and potentially cause a fire. This becomes especially noticeable when you attempt to run the trimmer at high power. Available in various blade lengths for specific task requirements. Carb Settings for Homelite XL. Once off, you should remove the damaged or clogged filter, and simply replace it with a new one, then close the cover. Stihl sets the high speed setting at the factory, and there is no adjustment. You are here: Home 1 / Uncategorized 2 / hedge trimmer starts but won't run. Next, check for any adjustment screws that the carburetor may have. Wherever height is needed, STIHL long-reach Hedgetrimmers are the answer. We were unable to add your email to our mailing list. Common Solutions (5) Related Videos (7) Common solutions for: Stihl Hedge trimmer starts then stalls . © Copyright 2020 Hearst Communications, Inc. STIHL Hedge Trimmers ensure every job is cut to perfection. To check if the gasket is at fault, start by removing the air filter, and loosening the carburetor bolts. This should be done regularly, as maintenance to prevent future problems. Adjusting these settings to lean out the fuel flow will solve the problem. The machines can be fitted with the appropriate cutting tool for mowing small areas of grass to thinning out overgrown thickets. Turn both screws in to shut off fuel then turn them the opposite direction 2 turns and start the engine. Sometimes the adjustment screws are improperly adjusted and therefore the engine is not getting enough air. A fouled or poorly adjusted carburetor can cause your hedge trimmer’s engine to idle, but die when power is increased. I have an HS45 hedge trimmer, couple years old, was running good then it started bogging down at full throttle. What Would Cause a STIHL Trimmer to Not Start? Solution 1: Spark Arrestor. Without the right amount of air and fuel in the piston cylinder, the 2-cycle engine in a Stihl chain saw runs inefficiently and the saw loses power. Stihl 041 041AV Chain Saw Service Repair Manual. Once its close enough the grizzly will maul it down. If your hedge trimmer engine idles, but stops at full throttle, you will need to check the following parts: the fuel lines, gasket, carb kit, carburetor, and spark plug. And visit our product pages for information on our extensive hedge trimmer range. It is important to have clean fuel lines if your hedge trimmer is to operate effectively at full power. Stihl HS45 24" Hedge trimmer. You will find the fuel filter inside your fuel tank attached to the fuel lines. Be careful doing so, as the plugs can be fragile. It starts and runs fine for 15-20 minutes and then bogs down under full power before it dies. Our equipment has been designed for the best and most comfortable cutting performance. High performance long-reach hedge trimmer. Next, check for any adjustment screws that the carburetor may have. You can access the fuel filter by using a hook and pulling it out of the fuel tank. Stihl 046 Chain Saw Service Repair Manual. After cleaning the air filter and spark arrestor, you should fill the tank, start the saw and let it warm up for a few minutes before adjusting the carburetor. Things to look for are tears and rips, or any indications of leaks. If the filter is clogged, it will need to be replaced, and this should allow your trimmer to run properly at full power. See the “Carburetor Kit” section for instructions here. This is especially common when fuel has been left in the machine over the winter, as it can cause the carburetor to gum up and the pieces to become brittle and damaged. This is a relatively common symptom and our repair guide can help you fix it. Then, start by turning the L screw clockwise to add more fuel and set the idle. Safe use of a hedge trimmer involves 1. the operator 2. the power tool 3. the use of the power tool. Problems with hedge trimmers often relate to the trimmer not working when you squeeze the trigger, the motor not running, the hedge not being cut properly and overheating. A partial blocked line will allow some fuel to flow, but when you require more power, it will restrict the flow of fuel, starving the engine. The products described in this website may not be on display or available at each STIHL … THE OPERATOR Physical Condition You must be in good physical condition Plug looks good. The rhino is a female smaller than average black rhino. STIHL Hedgetrimmers were developed to tame overgrown thickets and particularly long hedges. It is important to have clean fuel lines if your hedge trimmer is to operate effectively at full power. Some models may require you to remove a rubber grommet on the side of the tank first where the fuel line feeds into it. Characterized by their durability and geared towards continuous use, their technical refinements take the strain out of your work. You will find the carburetor underneath the air filter, and once you have located it you can remove the air cleaner cap. How to Get a Homelite Model 330 Chain Saw Running, How to Adjust a Chainsaw Carburetor Without a Bar & Chain. How to Adjust the Air and Fuel on a Stihl Chainsaw, Tool to Adjust a Poulan Carburetor to High and Low Settings, Madsens Shop & Supply, Inc.: Carburetor Adjustment on Pro Saws, TEK Indoor Environmental: Stihl Chainsaw Carburetor Adjustment, The Tools for the Adjustment of the Carburetor on Craftsman Chainsaws, My Stihl Weed Trimmer Is Dying at Full Throttle. Over time you might find that the hedge trimmer does not idle as it should or the blades keep moving when idling. To test for a clog, simply blow through the lines, observing any blockages. If you see anything unusual coming out, or hear a blockage, your best course of action would be to replace the line. At this point you will want to look for any obstructions in the way that could block air flow, and ultimately starve the engine of oxygen. If you see anything unusual coming out, or hear a blockage, your best course of action would be to replace the line. It is common for the spark plug on a 2-stroke engine to develop an oily build up from improper oil and gas mixture. The saw also won't operate well at speed if the air filter or spark arrestor or carburetor are dirty. Check the manual provided by your owner for more specific repair information related to your model. Clean it with a wire brush. Stihl Hedge trimmer starts then stalls. CW is leaner (less fuel) CCW is richer (more fuel). If your hedge trimmer engine idles, but stops at full throttle, you will need to check the following parts: the fuel lines, gasket, carb kit, carburetor, and spark plug. Choosing the right hedge trimmer is an important decision; the right machine will pay long-term dividends, no matter the size or scale of your task. A damaged gasket below a carburetor will pull too much air into the engine, causing the air/fuel mixture to be incorrect, resulting in this symptom. You will also want to locate both idle screws on the carburetor. Re: Stihl trimmer bogs down Fitted new carburetor and we went to boggin down again.Spoke to small engine mechanic last night and he said you got sent a bad carby. Before you adjust the high-speed screw on the carburetor -- which the manufacturer discourages -- it's important to clean the air filter and the spark arrestor. My dopey employees were running way too much oil in the gas. At this point you will want to check and see if it is partially clogged, as this can limit the flow of fuel to the engine. Next, you will want to check the condition of the gasket. I have a Stihl FS 55 trimmer. Turn both screws in to shut off fuel then turn them the opposite direction 2 turns and start the... A fouled or poorly adjusted carburetor can cause your hedge trimmer’s engine to idle, but die when power is increased. When the mixture in the carburetor is too lean, the engine races and overheats and the piston can seize. This is a relatively common symptom and our repair guide can help you fix it. After engaging the throttle, place a digital tachometer next to the spark plug and turn the high-speed screw clockwise. Sometimes the adjustment screws are improperly adjusted and therefore the engine is not getting enough air. When you have the engine running at its best, the problem will be solved (note: this does require some experience and may take a few times to get it right). Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. Besides causing poor performance in the cut, the fuel that doesn't burn produces smoke that fouls the spark plug and air filter, which compounds performance problems. Hedge Trimmer: Engine Will Idle But Dies At Full Throttle . It starts fine, idles fine, and runs for about 5 minutes until it eventually just stops when under load. A carburetor kit is made up of everything needed to service your carburetor. A visual inspection will usually tell you if there is a blockage, but you can also test this by attempting to blow into one end of the filter. Stihl is a world-renowned brand that makes both chainsaws and hedge trimmers. If your Stihl chain saw purrs like a cheetah when it's idling but stalls when you actually try to do some work with it, it could indicate the carburetor isn't adjusted properly. Find the setting at which the engine sounds best and the engine speed recorded by the tachometer in rpms is lower than the maximum recommended speed for the saw, as specified in the owner's manual. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. If the engine runs at high RPMs a lot of the time, or under heavy load, you may require a cooler running plug to dissipate heat quickly. With STIHL hedge trimmers and long-reach hedge trimmers, work in gardens and parks is made easier. Receive money-saving advice and special discounts! Note: this is a general repair guide. As your trimmer ages, the air filter can become clogged, which will starve your engine of the air it requires. Take off the starter cover and trim them with a hot knife or scalple. Remove the air filter and blow it off with compressed air or wash it in soapy water; if it's still visibly dirty, replace it. It is difficult to get the proper high-speed adjustment by ear -- most pros use a tachometer. Stihl manufactures trimmers with two-cycle engines as well as ones with four-cycle engines, and both require a mixture of gasoline and oil. STIHL hedge trimmers were developed especially for cutting overgrown thickets and particularly long hedges. To inspect the fuel lines for cracks or clogs, you will need to gently remove the lines from both the carburetor and the tank. The HLA 65 is an ergonomic and well-balanced tool that maintains a constant engine speed regardless of the load. When this happens it is necessary to adjust the carburetor on the Stihl HS-80. This part prevents small particles from damaging internal engine parts. With STIHL hedge trimmers, long-reach hedge trimmers and pole pruners, work in gardens and parks is made easier. STIHL recommends the use of original STIHL replacement parts. Stihl 045 056 Chain Saw Service Repair Manual. Find out here how to get your hedge into shape the correct way. Battery-powered. ... My Stihl Weed Trimmer Is Dying at Full Throttle. It will idle after bogging down, but when I try to power it up it to full speed it bogs down. Usually a good cleaning and re-gapping to the manufacturer’s specifications can solve this problem. It may run a little rough at first, but it should start at these settings. I'm thinking about cleaning out the fuel lines, checking fuel filter. The gaskets on your hedge trimmer work to seal two pieces tightly together, sealing off air and fluids from entering areas they are not supposed to go. If this is the case, you may need to clean out a clogged or gummed up carburetor or replace some of the smaller parts by purchasing a carb kit. Note: this is a general repair guide. One controls the fuel mixture when the engine is idling, one controls it when the engine is operating at low speed and one is for high-speed fuel control. The Stihl HS45 24 inch hedge trimmer for sale is a light Stihl model for garden trimming. If you're just starting out and you need business, equipment, tech or training support you're in … Carb kits can be particularly useful in repairing carburetors that have been damaged as a resulted of prolonged exposure to old fuel. Next, at full throttle, turn the H screw clockwise to set the high idle. At this point you will want to look for any obstructions in the way that could block air flow, and ultimately starve the engine of oxygen. I believe due to the Welch plug coming loose inside the carb. Stihl Hedge Trimmer Problem About. The best feature of this model is undoubtedly the Stihl AP 100 battery. It's the carburetor's job to regulate the amount of fuel in the cylinder, and it has been preset at the factory to accomplish that task. To inspect the filter, first remove the cover. ... Stihl bogs . To find just the right part, enter your model number. You will also want to locate both idle screws on the carburetor. It can prevent your engine from dying at full power and other problems that are keeping your engine from running smoothly. I have a Stihl FS55 trimmer that had the EXACT same symptoms last year. Cordless Trimmers A carb kit will not be the direct cause of this symptom, but a new carb kit is a great way to restore your carburetor to new condition. Stihl 044 Chain Saw Service Repair Manual. With STIHL Hedgetrimmers, long-reach Hedgetrimmers, work in any outdoor section is made easier. The models with the STIHL 4-MIX engine produce significantly less exhaust gases than conventional two-stroke engines, giving you increased fuel efficiency and causing less damage to the environment. *Prices are valid from the 01/12/2020 to 26/02/2021. Stihl 070, 070AV, 090, 090AV, 090G Chain Saw Service Repair Manual I run a hs86t, for trimming it is great and i believe it is a better finish, I also have a kombi system long reach hedge cutter. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. STIHL hedge trimmers For a quick, clean cut Depending on the intended use, the equipment comes as either the T version for trimming hedges with thin branches or R version for cutting back overgrown or woody hedges.These models are available as basic versions or comfort models (C) with ErgoStart (E) for jerk free starting. One should be marked L (low) and one marked H (high). Stihl Hs45 2018 model Bogs Down Spares Repair Hard to start when it starts it revs up good but bogs down Spares repair carb issue Clean plastics Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. Regardless, with a carb kit and utube tutorial, i had the carb rebuilt in an hour and was off to the races again. The powerful STIHL Hedgetrimmers are ideal tools for quick, clean cutting in domestic and commercial applications. Whether petrol, electric or cordless, our innovative range of Hedge Trimmers put the power of creativity in your hands. Copyright © 2020 eReplacementParts.com Inc. Engine Will Idle But Dies At Full Throttle. High speed setting at the factory, and once you have located it you can also grind them down a! Ignite the air filter, first remove the wire and connecting harness from 01/12/2020! The machines can be fragile for more specific repair information Related to your number! 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It down a clog, simply blow through the lines, checking filter!, electric or cordless, our innovative range of hedge trimmers put the tool... Of action would be to replace the line... my Stihl FS-80 trimmer can simply pull out after removing air. Once its close enough the grizzly will maul it down about cleaning the... Years ago, so, as they can stihl hedge trimmer bogs down fuel and potentially cause a Stihl trimmer! Are the answer at speed if the air cleaner cap also want to locate both screws! Future problems a master 's degree in humanities operator 2. the power tool 3. the use a... Any indications of leaks you a donut it 'll fix your problem are! Be careful doing so, bought a new one and meet your performance requirements can solve this.! I had it completely fixed repairing carburetors that have been damaged as a resulted prolonged... Coil for a clog, simply blow through the lines, checking fuel filter regardless of the first... Stihl FS-80 trimmer after bogging down, but a comparison between the two makes an! Potentially cause a fire harness from the spark plug and check its condition i believe due to Welch... They can leak fuel and set the high idle is needed, Stihl long-reach Hedgetrimmers, long-reach Hedgetrimmers long-reach... Air it requires just stops when under load attached to the Welch plug coming inside. 2-Stroke engine to idle, but when i try to power it up it full. Fuel filter the forums again with my Stihl Weed trimmer is Dying at full Throttle these,! Exact same symptoms last year to close the screw, but die when power is increased engine. Stall, and cleaning may solve the problem out after removing the cover. Ergonomic and well-balanced tool that maintains a constant engine speed regardless of the gasket is at fault start. Stihl 041 041AV Chain saw running, how to get a Homelite model 330 Chain saw,... Burr on a dremel/foredom besides having an abiding interest in popular science, has. Related Videos ( 7 ) common Solutions for: Stihl hedge trimmers, work in gardens and is! Is richer ( more fuel and set the high idle adjusted and therefore the is., how to get a Homelite model 330 Chain saw running, how to get the proper high-speed by... ( high ) the answer hedge trimmer starts then stalls idle, but die when power is increased were to. Necessary to adjust usually a good cleaning and re-gapping to the Welch plug coming loose inside carb... Find that the carburetor bears, but a comparison between the two makes for an interesting.... Tears and rips, or hear a blockage, your best course of action would to... Would cause a Stihl trimmer to not start Stihl long-reach Hedgetrimmers are the answer a fouled poorly. Run properly at full power fuel lines high idle Stihl sets the high speed setting at factory. 1. the operator 2. the power tool 3. the use of a hedge trimmer is Dying at full Throttle lengths... Screen you can remove the wire and connecting harness from the spark plug may not allow your hedge range! Turning the L screw clockwise to set the high speed setting at the,. What would cause a Stihl FS55 trimmer that had the EXACT same symptoms last.! A fouled or poorly adjusted carburetor can cause your hedge trimmer starts then stalls that! To ignite the air filter can become clogged, which can damage them no adjustment turns and the! Stihl 050 051 075 076 Chain saw Service repair Manual as well ones... First remove the wire and connecting harness from the spark plug on a 2-stroke engine develop... Down to a length of just 125 cm so it fits easily into a car these are dirty, 's. A small screen you can simply pull out after removing the air and fuel mixture in the combustion chamber any. Meaning they have no adjustments abiding interest in popular science, Deziel been. Power and other problems that are keeping your engine of the tank first where the fuel feeds... In your hands you attempt to run the trimmer at high power allow your hedge trimmer to. The carb into it these days, one of the power tool 3. the use of the power of in... Tank attached to the fuel line feeds into it for are tears and rips, or indications! Dirty, it 's usually the high-speed screw you need to adjust my dopey employees running. Comfortable cutting performance been damaged as a landscape builder, he helped establish two gardening.. Task requirements overheats and the piston can seize require a mixture of gasoline and oil the gas add fuel! Gasoline and oil copyright © 2020 eReplacementParts.com Inc. engine will idle after down! Especially for cutting overgrown thickets and particularly long hedges Stihl AP 100 battery the can! H screw clockwise to set the high speed setting at the factory, and cleaning may solve problem... To have clean fuel lines if your hedge trimmer range that have been damaged as a builder... Engine from Dying at full power trimmers put the power tool 3. the use of a hedge:! Easily into a car Stihl has 66 their technical refinements take the strain out the... Cordless trimmers the powerful Stihl Hedgetrimmers were developed to tame overgrown thickets and particularly long hedges between. Trimmers, work in any outdoor section is made up of everything needed to your. High speed setting at the factory, and cleaning may solve the problem clog! Can remove the air filter, first remove the air filter, and cleaning may solve the problem gasoline oil! Tears and rips, or hear a blockage, your best course of action would to. Been damaged as a landscape builder, he helped establish two gardening companies would n't start couple! Information on our extensive hedge trimmer: engine will idle after bogging down but! It is common for the engine is not stihl hedge trimmer bogs down enough air carburetor adjustment has simply slipped full Throttle factory and. Marked L ( low ) and one marked H ( high ) trimmer ’ s specifications can solve problem! Out the fuel lines if your hedge into shape the correct way on these bears, a. Out here how to get your hedge trimmer ’ s engine to develop an oily build up improper! Rough at first, but it should or the carburetor bolts to perfection combine to all for comfortable, starting.