In either case, the best course of action is to replace the clutch. When using a thicker line, choose a trimmer head to Step 5: Remove the Cutting Head. . My Ego string trimmer will not auto feed lineNot included: Trimmer head: T45X M12: Capacity: Cutting width: 27,5 cm: Transmission: Gear ratio: 1,4: Drive gear angle: 30 ° Dimensions: Tube diameter: 28 mm: Weight (excl. The Brand and model Weed EaString trimmer head won't spin. 63. 99. Most Durable: WW EZ Lock Head. And remove it by spinning it counterclockwise. The trimmer has a small head on the string trimmer to maintain edging after mowing and reaching areas hard to trim. The spinning requires a lot of energy, and the motor can't supply it. Find replacement string trimmer parts:https://www. The brush bar on your vacuum performs a key role in its cleaning performance. These units require the user to replace 25-Apr-2016 If not, take the whole string head apart and make sure there isn't a lot of grass and brush jammed in underneath the string holder causing a lot Check for proper alignment of the V-belt and verify belt guide positions. Place the spool back in the string trimmer. 3. Lock the gear shaft and screw in the original position. Step 1: Take Off the Trimmer Head. The self-sharpening blades will cut more hairs in every pass for faster trimming even on dense hair. Standard on the ATV and PTO models, the Quick-Lock Trimmer Head makes cord changes in the field faster and easier than ever! Plus, cord will never pull out, even in dense growth. Like. Where it can be improvedZACCONE WAZA (Customer) asked a question. What Is the Highest-Quality String Trimmer Head of 2022. If the clutch assembly is worn out, it won't be able to engage the drive String trimmer head won't spin? This video provides information on how to troubleshoot a string trimmer and the most likely defective parts associated with When your weed eater's trimmer head is not cutting the grass after a few seasons of use, it may be due to a lack of power for one of several reasons. Push the bump head down with one hand and Diagnosing why your cutting head may not be turning can be simple, we have narrowed down three main reasons as to why this fault may have happened. Features : Innovative dual edge blades: Panasonic nose hair trimmer for men comfortably removes nose, ear and unwanted facial hair plus details beards and eyebrows with dual edge blades. That's a unique idea in the world of string trimmers. It does happen from time to time and it happens for a lot of reasons. ST1502LB. 1. Feed the other end of the line into the hole in the cutting head. You usually have to power off the device and press down on the knob head to pop it off. Aug 11, 2011. The work of the clutch is to make the trimmer head spin, creating the centrifugal force that causes the trimmer line to move fast enough to cut through the things. The cambian layer of string trimmer shakespeare trimmer head instructions. Installing a line in a bump feed requires the cutting head to be dismantled carefully. for pricing and availability. But the goid part is this trimmer head fits many models. Detach the trimming head and switch on the trimmer. Don’t worry, you won’t have to spend ages to find the right fit! We bring to you our favorite picks that promise the utmost quality and longevity! Show contents. If ever the water pressure of your sprinkler is way too low, then it will not rotate since not enough water is pushing it. 【DUAL-EDGE SPINNING BLADES】This nose hair trimmer features a dual-edge spinning blades system with protective cover, inner 360° rotating design, which precisely removes the hairs without painful and unpleasant pulling. The rotary brush in the cleaner head of your Dyson V7 spins at high speeds and helps to beat and dislodge the dirt out of your carpets. If your string trimmer is leaking fuel, first check whether the gas tank's cap is securely tightened. ZACCONE WAZA (Customer) asked a question. If damage is found, replace the cable. The last cycle I used the trimmer, I stopped at least 5 times to pull out the grass I could reach from around the trimmer head. Shop this Collection. With one hand holding the shaft head, you can now spin off the trimmer head. High School or GED. If it does, your clutch is probably worn out so the engine will rev but not transfer the power to the driveshaft. 1671 reviews. Just prime and pull. Weed Eater FX26SC (one of the cheapest models). ECHO YOUCAN Kit with Pro Trimmer Spool. -- As the trimmer head is spinning, grass gets twisted around it. Repairing a broken drive shaft is not possible. ”Best Steel Blade for Brush: Grass Gator 4680. The device is a shallow, dish-shaped holder with two flexible wing-like blades and a spinning glider disc that supports the trimmer head. Available as an optional upgrade for riding mower and walk-behind models. See answer (1) Best Answer. Best For Quick Reloading: Echo 99944200907 Speed-Feed 400. Reattach the head to the trimmer and recharge the nose trimmer. 2mm (1/128″) increments from 1/64″ to 25/64″ and get the precise look you want. A spinning shaft (not shown), which lasts from the drive unit 70 to the cutting unit 20, is provided inside the working stand 60. The main difference between a straight shaft and a curved shaft string trimmer is the mechanism involved that causes the head at the end of your weed wacker to spin. It's powered by a 2 cycle engine. For various models of trimmers, a semi-automatic head is used, consisting of two parts. TRIMMER HEAD WONT SPIN OR STOPS IN TALL GRASS?Links to products I have in my tool bag. The engine may slow downI have a 2 year old straight shaft Homelite trimmer (model UT20811B0) that was manufactured by John Deere. If your trimmer head differs, follow the manufacturer's instructions to remove the old head. Fit the trimmer head on the shaft. 4. There isn't one IF when you're trimming cases they are: 1) held in-line with the trimmer cutter's axis; 2) held tight enough to prevent the cutter from spinning them in the holder; 3) both ends protrude enough for the purpose, i. Grasp the bump knob on the center of the cutting head and turn it counterclockwise to loosen it. 6 out of 5 stars. The head plays a central role by using strings that get stiff while spinning and cut through the grass! These heads will eventually stop functioning and hence need to be replaced. 1. The steel head and blades effectively cut each hair preventing skin irritation. Ear and Nose Hair Trimmer Clipper – 2021 Professional Painless Eyebrow & Facial Hair Trimmer for Men…. It should not be removed or disassembled. 3 ECHO Speed-Feed Trimmer Head. You may be hitting the Mow-Ball Support against rocks, concrete driveways or other hard obstacles. Model # ABB1203-1. Now, you should be able to remove the string trimmer head. Washing machine does not spin: 8 possible causes March 15, 2022 December 19, 2021 by Hasan The laundry is fresh from the machine and should be swiftly hung on the line - yet instead of being halfway dried, the garments are moist or even wet . . 4 T242 Trimmer Safety Instructions Personal Condition and Safety Equipment WARNING! Users of this product risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. It's 13 inches in diameter so that it can maneuver into hard-to-reach places. It is comfortable and easy to use. EGO Power+ AH1300 – 15” Trimmer Head (Cordless Weed Eater)View This Post. Try and twist them by hand,If it is, disconnect to lower attachment and start the trimmer up and see if the upper shaft spins when you throttle up. If the head doesn't spin, it's generally due to a problem with the clutch or May 2015. the case and the spool. We also recommend that if a unit will be left unused for more than 30 days that it be stored "dry. Insert the bobbin back in and close the cover until the catches click into place. To inspect the drive cable, remove the engine assembly from the shaft and look to see if the cable is in its proper place. What are some of the most reviewed products in Trimmer Heads? Some of the most reviewed products in Trimmer Heads are the ECHO Speed-Feed 400 Universal Trimmer Head with 1,223 reviews and the RYOBI 2-in-1 Pivoting Fixed Line and Bladed Head with 755 reviews. The Trimmer's Engine Won't Start · 2. First, be certain to only bump the head while it is spinning at or close to full rpm. 3,349 satisfied customers. 7. Increase The Water Pressure. in the material below. The Brand and model Weed EaWhen I started it up this spring the engine runs smooth, but the head will only spin if it's pointed up (head up, engine towards ground) and then stops spinning within a few seconds of pointing it down and trimming grass. A lot of grass gets stuck up under the trimmer head so that you can't get it out. Related Searches. ECHO Heavy-Duty Fixed Line Trimmer Head. 61 £1. If the upper shaft is NOT turning when you throttle up, you problems lies somewhere Have had the Dewalt 20 v max xr brushless string trimmer for 10 months, works well, just used it for 30 min, then charged battery, cleaned the head etc, restrung it and then placed battery back on and then pulling the throttle the head rotates 1 cm one way the bounces back the other way and stops. This reduces wear on the part and is also helpful for folks who prefer to slide the head across the ground while trimming. If the belt is damaged or has snapped, it should be replaced. I scraped out about 1/4" thick ring of caked grass before my last time using the trimmer. If the cutting-line head does not stop turning at all, the trimmer will require service at an authorized Honda retailer. Best “Brand Specific” Trimmer Heads and Spools. Tiny bits of grass had caked up in the space between the ring and the trimmer head. Head Assembly Cnt Tb. And because […]This is how you can remove the head if you find your Troy Bilt weed eater head stuck. If the two lines cross during winding, a bind will occur at the point where they crossed. Well, the same problem popped up again just the other day To make the adjustment, locate the idle adjustment screw on the carburetor -- it's usually marked "I" -- and while the engine is running, turn the screw counterclockwise. Follow our repair guide to help you better identify and fix your 07-May-2015 I disassembled the shaft and found that the drive cable is fine and the head does not appear to be stripped. EGO. 99 6" Tap Head View All Retailers. 2 Dalom T25 Tap Trimmer Head. When the clutch slips -- usually from wear -- the head won't spin at all. I have an Echo SRM-2601 Grass Trimmer. When using a thicker line, choose a trimmer head to Workstand 60 is a hollow tubular element. Most who complain it stops working are not spinning the head off to test for 15-Jul-2020 Another potential problem comes if you push down on the head of your trimmer too hard, as it can crack the spool or damage the spring. A weed trimmer is an invaluable tool for making your lawn look flawless. #1. ConairMAN Battery-Powered Ear and Nose Hair Trimmer. 1 Husqvarna Universal T35 Tap Advance. Pull the bump knob straight off the cutting head. 11 REMOVING DIFFICULT SPOOL CAPS CORDLESS TRIMMERS (FIG 1. the Trimmer Head BT2201 FROM MSRP: $ 22. The clutch assembly on a trimmer is usually easy to access. When using a thicker line, choose a trimmer head to Best Steel Blade for Brush: Grass Gator 4680. Even the best, most versatile mower can struggle to turn an unruly lawn into an emerald-green sea of landscaping perfection. A broken clutch can be replaced with a new one. It’s 13 inches in diameter so that it can maneuver into hard-to-reach places. "Is a Straight Shaft or a Curved Shaft String Trimmer Better. Do not smoke whilst refuelling or working with the machine. Discussion Starter · #1 · Jun 21, 2011. Even if  How To Repair Trimmer Head That Will Not Turn Clutch. When the agitator brush no longer spins eSpares is here to help!Understanding Automatic Feeds. The engine must be dismantled to inspect and replace the engine brushes. A tool is not required for this. Best For Line Protection: MaxPower PivoTrim Universal Replacement 3317233. Lift the foam seal and spring under the bump knob off the cutting head. Put a drop of penetrant oil on it to remove easier. If the springs are Product support - Trimmer head not spinning when throttle depressed? Published 05/15/2005 01:52 PM | Updated 06/02/2015 02:47 PM Why does the head of my trimmer / brush cutter not turn when I activate the throttle?Joined Jun 21, 2011. When you have the engine throttle on high, the spinning 175 mil cutting cord pulls the weeds into the vortex under the head of the cutter. when …Unless plate/part is worn in the spline area or you are not tightening head sufficiently or using a incompatible head assy. Recently, the spool head of the trimmer will not spin or even act like it wants to spin. If it is a brushcutter. Swapping out the heads is simple. Proper clothing and safety gear must be worn when operating unit. The head can also rotate 150 degrees, so after trimming your lawn, you can also edge. Open up shaft to motor connection (four allen screws), spin the clutch by hand - no movement of the internal shaft. We also offer a video on winding your trimmer head. The trimmer starts fine and the throttle trigger revs like normal but the head doesn't spin. There may be a very small bolt in 25-Mar-2021 Fixed-line trimmer heads don't automatically extend new trimmer line and don't feature bump-releases. Below 1st link is a video to show how to restring head on Echo Speed Feed head, 2nd link is for generic type Echo head, 3rd link is Echo SRM-225 Trimmer manual. to/3bnXjmATygon Fuel Line. Defective imbalance; Technical issues can potentially cause a broken spin cycle. The edger relies on the belt to transfer energy from the engine to power the blade. , it should not be coming apart. Best fnaf world stroke leaf It interferes with the spinning of the trimmer head while it's running and it interferes with the release of the string when you bump it. Good luck. POWER+ 15" String Trimmer & 530CFM Blower Combo Kit with 2. cutting equipment) 7,6 kg: Tube length: 1 483 mm: Sound and Noise: Sound pressure level at operators ear: 99 dB(A) Sound power level, guaranteed (LWA) 113 dB(A) VibrationThis model also has some decent cutting power: the 28CC engine drives the spinning head directly, so it can quickly speed up and slow down as required. Children who are 14 years of age and older must read and understand the operating instructions and safety rules in this manual and must be trained and supervised by a parent. The average price for Trimmer Heads ranges from to 0. Re-install the shaft if it has slipped from its place. 45 SRT-A Trimmer FROM MSRP: - 5" Fixed Line Head FROM MSRP: $ 32. Easily spin the quick adjust zoom wheel to lock in 30 length settings at 0. BLACK+DECKER 25A-26S5736 4-Cycle Gas Powered 22-Inch Walk-Behind High-Wheeled String Trimmer with 140cc OHV Engine, Black and Orange. I have been told that it could be the drive that has broken, but it sounds like it is turning inside the outer tube. Features. Push the bump head down with one hand and pull out line with your other hand until you can touch the cutting guard with the tip of the line. Decrease the throttle and shut the engine off. This process can be done in 20 seconds or less. Use the rod that comes in the package to stop the head from spinning. The spinning shaft is driven to rotate by the drive unit 70, and transmits torque from the drive unit 70 to the cutting unit 20. Trimmer head not spinning when throttle depressed? Make about that the bin is covering the stop side amid the abdomen. With an auto feed system, the trimmer will release more line whenever it starts to run short, based on an advanced internal system. A gearbox may become clogged with dirt or other debris or seize due to lack of lubrication. 95 3 lb Donut Maxline (Round) Trimmer Line FROM MSRP: $ 31. Hyper Tough Weed Trimmer Head Won’t Spin. 15h agoWheeled edge guide offers comfort and ease of use while edging the lawn around sidewalks and driveways. Step 3: If the usual methods aren’t Insert the remaining length of fishing line through the holes and wind it carefully so that the coils do not overlap. Another cause may be a broken drive shaft. To remove the Bumper Head Knob, thread it off the spindle of the gear box assembly. A very dirty air filter. Stop the engine and disable the ignition, either byMessages. What you see is the head gears stripped, stopping it fom turning. You may be pushing the trimmer head down into the ground. Step 2: If the weed eater is electrical or gas-based, then it probably has a knob head. When you trim, the trimmer is on your right side, regardless of which way it rotates. understand the warnings and instructions in the operator's manual, do not use this product. Part Number: 794-00082 In Stock, 25+ available This is an OEM replacement part and is sold individually. A broken trimmer head may not rotate properly or hold the trimmer line in place. If the shaft is damaged or broken, it must be replaced. The DR Trimmer Mower works best with a light touch, with the Mow-Ball Support gliding just above the ground. Combi Trimmer Attachments (16) Trimmer Heads (12) Trimmer Lines (6) Grass & Brush Blades (6) Personal Protective Equipment (69) You may also like. Need Help Finding Your Model Number? If the trimmer engine runs, but the trimmer head does not spin when the Cable or Shaft. To inspect the drive shaft, remove the engine assembly from the shaft and look to see if the shaft is in its proper place. The speed of spin helps the line to advance. 147. Stop the engine and disable the ignition, either byI bought a new Husqvarna gas string trimmer towards the end of last summer, used it just a few times and then put it in the shed for the winter. no grass in head etc Messages. Squeeze 5 grams, which will only be a small amount, since most tubes hold 80 or 120 grams, into the head. Maybe the trimmer head is jammed up. I've also, with the shaft together and the motor off, manually spun the trimmer head and been able to hear the piston in the motor Product support - Trimmer head not spinning when throttle depressed? Published 05/15/2005 01:52 PM | Updated 06/02/2015 02:47 PM . If the clutch assembly is worn out, it won't be able to engage the drive shafts to rotate the trimmer head. 2. The Mow-Ball Support is wearing too quickly. ·. no diagram is on echo web site Submitted: 12 years ago. Model# 90113Y (35) $ 13 49. Best Fixed “6-Steel Blade”: Replacement Head – Kingdoway. the trimmer doesn't idle too high) when the throttle isn't engaged. Mount the Stihl FS-55R trimmer so you can access the rear of the unit and the cutter head can spin without hitting anything. The best trimmer heads would aptly release the strings to make sure no uneven grass is left and your mat looks uniform from all ends!Best For Curved-Shaft Trimmers. The most common method is to push in, twist and pull off the spool. 7. Common solutions for: Stihl String trimmer head won't spin 01 - Clutch. A 50-foot spool of residential trimmer line runs from to , while 250 The EGO Carbon Fiber String Trimmer also features a free-spinning bumper on the head. 11A). 5 Amp motor with gear drive transmission provides highest performance trimming to tackle the toughest weeds, grass and overgrowth quickly. Back to the head - I push the rod deeper in to the outer shaft - and it spins with throttle!Automatic Feed String Trimmer. One of the things you need to take note of is the water pressure. hardened steel laser-cut blades engineered for clean, fast cuts on branches up to 1 in. Reinstall the cable if it has slipped from its place. Stale fuel. If your stick-type edger employs a gearbox and the blade will not spin and the drive cable is intact and properly connected, the gearbox may be jammed or damaged. I disassembled the shaft and found that the drive cable is fine and the head does not appear to be stripped. Some Important Tips and Notes on Removing Stuck Weed Wacker Head Note: If the weed wacker head doesn't come off despite the bolt has come off, you need to apply a simple trick. To confirm this, perform the following actions: Switch off your nose trimmer. Eric. If still under warranty, use warranty for repaired/replaced/refund. Small Engine Technician. As such, it's important to ensure the head doesn't spin (i. • Do not allow children under the age of 14 to operate this trimmer. Clean the bottom of the weed trimmer head with a shop towel to remove any debris or grass clippings. My issue turned out to be a broken solder connection. 5. Insert the remaining length of fishing line through the holes and wind it carefully so that the coils do not overlap. Grab hold of the trimmer’s shaft now and then use your other hand to grasp the cutting head. When detaching the sliding part from the main body, the snap-in portion engaged with the engaging hole will need to be pressed with inventory in order to disengage. In this video I show you how to troubleshoot common problems you might run in to that can prevent a Weed Eater head from spinning. 1) Worn-out trimmer head - The trimmer head may be worn out and unable to spin properly. have had the dewalt 20 v max xr brushless string trimmer for 10 months, works well, just used it for 30 min, then charged battery, cleaned the head etc, restrung it and then placed battery back on and then pulling the throttle the head rotates 1 cm one way the bounces back the other way and stops. Trimmer head stopped spinning? Then stay tuned!If the drive cable is broken or detached, the trimmer head will not spin. You have to insert the CSD through the whole where the outer portion of the string comes off. When using a thicker line, choose a trimmer head to That is, after the head for the trimmer was installed, the user did not pull the ends of the fishing line out of the grooves. It's common for this line to become brittle and develop cracks over time. 15h agoRedMax’s line of heavy-duty, commercial grade trimmers can clear, trim or edge large areas of unwanted grass and weeds with ease. Will a 10% (E10) blend of ethanol hurt my gas-powered STIHL product? All STIHL gasoline-powered engines can be used with up to a 10% (E10) blend of ethanol in the gasoline/engine oil mix. my cord line trimmer assembly fell off now only thread sticking out from shaft does it have a nut can not fit back on only used about 4 vtimes. Just keep jostling and pulling on the cutting head until it's completely removed from the trimmer. How to remove the head from the trimmer and change how to remove and disassemble in the huter and champion devices. First, you should check out the head. Keep in mind that my gas powered tools expertise has always been limited to a basic lawnmower. Typically, the height and arc of a weed eater can manually be modified by users to easily cut around the big trees, walls, beds, and The spool on your weed eater houses the nylon cutting line. Remove the belt cover to expose the belt. The main reasons why your trimmer line keeps breaking are: Low quality line; Line is not designed for Posted on September 28, 2012, updated October 1, 2012 Received my DR trimmer today after much anticipation and research. • Stay alert, and turn the trimmer off if a child or any other person enters the working area. You will discover that there are a bunch of arrows around the spool. 5Ah Battery and Charger. I have a Ryobi 3043A wipper snipper. I loved the ease of starting and handling this trimmer. It will need to be replaced. Single 0. These vibrations are caused by part of the shaft knocking against the shaft housing. The trimmer head connects to the clutch via a driveshaft. POWERLOAD™. Is there a trick to reducing Comfortably remove annoying hair using this nose, ear, & eyebrow trimmer. Assuming the cap isn't cracked or loose, the fuel line is probably the source of the leak. 1 Posts. head on my echo gas trimmer is not spinning. ∙ 2009-10-20 06:06:10. Even if your model doesn't feature a rotating head, you can perform this action by simply turning your tool until the string is vertical. Keep your lawn perfectly maintained with the Weed Eater WE25CBK Gas Trimmer. D DeOldOneJoined Jun 21, 2011. They work by simply spinning a strong plastic line fast enough so that it can easily chop through grass. Report. echo speed feed 400Craftsman Trimmer Heads. I bought a new Husqvarna gas string trimmer towards the end of last summer, used it just a few times and then put it in the shed for the winter. The Remington weed eater head removal process is straightforward. If jostling isn’t enough, you can also try pulling up the cutting head. If the blade on your belt-powered edger is receiving no power even though the engine is functioning properly, the belt is likely broken. What you see is the head gears stripped, stopping it fom turning If the upper shaft is NOT turning when you throttle up, you problems lies somewhere between the upper shaft and you crank. 2. Never touch wires directly or indirectly, otherwise serious injury or death can result. Click to expand Take the driveshaft housing off and check the clutch. The bump knob - When you have a stuck bump knob, or the bumper has been worn down from use, it can prevent the head from spinning correctly. Try and twist them by hand, now if they won't move then you'd have to start tearing into it to check further but if they do move even slightly then it could likely use adjusting. The first signs of wear and tear can appear here after about four years. An automatic feed string trimmer is pretty much operated like other types of string trimmers in the industry, but with the exception of the feed system, of course. If the trimmer head size is not the same as the one you are already using, this might bring trouble. There's either a steel or flexible shaft inside the tube between the engine and the Pull the trimmer head - the internal shaft from the motor to head is not turning. Sometimes the trimmer head causes a failure in the line feed. Hello. You could have a worn clutch drum as well. Oct 31, 2019 · Cons. Head is not locked up, as it spins freely by hand (engine on or off). Thread the end of the line into the hole in the spool. When using a thicker line, choose a trimmer head to If the motor runs well and strong and responds to the throttle normally and does not smoke excessively, yet the head does not follow then there is a problem with the shaft or the head or the clutch. Plus the wide 17-inch cutting width means Dyson V7 Brush Bar Not Spinning. In our test, we found that the device turns a string The Bumper Head Knob is the part of the trimmer that when struck on the ground, advances the trimmer line in the spool. Loss of Power or Engine Speed Does Not Increase · 3. · If the trimmer head keeps spinning when you release the bail bar, see "Adjusting the Repair a Non-Rotating Trimmer Head on a Weedeater The trimmer head on a Weedeater featherlite will sometimes stop rotating because the rotating mechanism has 1. Give it a fresh, new edge with the best weed eater head. Now, hold the CSD firmly and turn the weed wacker head clockwise. Trimmer Buying Guide; RapidReplace The speed of the spinning hub is controlled by a trigger activated throttle on the handle. Improper venting of the cap on the gas tank. The other thing that could be wrong is the shaft is The gear case or gear box is located at the bottom of the drive shaft and transfers power from the drive shaft to the trimmer head. Lightweight, ergonomic design with adjustable height and pivoting handle gives the user maximum comfort and control. This spool is also connected to the gearbox in the head, which in turn is connected to the driveshaft inside the drive tube. It's powered by a 2 cycle engine. You may have to remove the trimmer head cover and manually feed line through the port. Model# 99944200220 (47) $ 28 02. However, because of the large volume of the line used in a bump head, the trimmer line for bump head trimmers is usually a . I have a Craftsman Speed Start with a 27cc motor and yesterday. Another unpleasant moment when the grass is mowed may be the sintering of coil turns. This allows you to rotate the horizontal-spinning head of your trimmer to a vertical movement. I have a Craftsman Speed Start with a 27cc motor and yesterday when I was weed wacking, some of the weeds got twisted around the trimmer head the head stopped spinning. Best For Straight-Shaft Trimmers. Copy. Fix a trimmer head that will not spin by inspecting the trimmer head clutch assembly, which is located near the engine. So after trying a few adjustments - I just parked it until tomorrow. The majority of models will have some kind of component that gauges the current length of the line and then releases more by taking advantage of the spinning taking place with the head. I was using it as normal and the stringhead started spinning very slowly and could not cut through the grass. 105". could it be a drive pin in the head that is broken and if so how do you replace the pin. The failure of the trimmer head to spin when you engage the throttle isn't necessarily a sign of a broken shaft -- it could also be a broken clutch. Invert the grass trimmer/edger to access the trimmer head. Unless plate/part is worn in the spline area or you are not tightening head sufficiently or using a incompatible head assy. When I started it up this spring the engine runs smooth, but the head will only spin if it's pointed up (head up, engine towards ground) and then stops spinning within a few seconds of pointing it down Product support - Trimmer head not spinning when throttle depressed? Published 05/15/2005 01:52 PM | Updated 06/02/2015 02:47 PM Why does the head of my trimmer / brush cutter not turn when I activate the throttle?Joined Jun 21, 2011