If you are having Black+Decker string trimmer problems, the first thing to check is that the spool is wound and installed correctly. Check the use and care guide for your model of weed wacker and make sure that you are using the correct diameter of string.
What is the cause of trimmer head not spinning?
If the trimmer engine runs, but the trimmer head does not spin when the throttle is engaged, the clutch may be broken. The clutch prompts the drive shaft to start rotating once a certain rotational speed is reached and allows the engine to run without always rotating the drive shaft.
Why is my electric trimmer not working?
The most common problem with a string trimmer is that the unit runs out of string. The string may also be twisted or loose on the spool. The cutting head may be dirty or the head outlet guide may be bent. An electric trimmer’s power cord, switch, or motor may fail.
How do you fix a trimmer that won’t start?
Top 6 Reasons Your String Trimmer Won’t Start
- Did you prime the engine? Fully press and release the primer bulb 10 times, then try starting again.
- Is the fuel in your tank stale, or improperly mixed?
- Is the engine flooded?
- Is the air filter clean?
- Is the spark plug fouled?
- Is it in the Correct Choke position?
Why is my Black and Decker trimmer not working? – Related Questions
How do I know if my trimmer is flooded?
Tip. Start a warm engine on a Weed Eater without engaging the choke to avoid flooding the carburetor. The telltale sign of a flooded engine is the strong scent of gasoline and no fire from the spark plug.
How do you start a flooded string trimmer?
With the unit resting on the ground, squeeze the throttle trigger to wide open throttle or fast position. At the same time the trigger is depressed, pull the starter rope several times, 10 to 15 times back to back. (Flooded engine will usually only take 6 to 8 pulls to get engine started.)
How do you clean the carburetor on a trimmer?
How do you fix a petrol strimmer that won’t start?
The most common problem with a strimmer not starting is that there’s a problem with the fuel mix. Double check that you’ve used 40 parts fresh unleaded petrol to 1 part 2-stroke oil (40:1). Check the petrol you’ve used isn’t stale.
How do you start a trimmer engine?
Why does my trimmer dies when I give it gas?
The most common causes of a weed eater dying when throttled are fuel issues, insufficient air intake, or problems with the exhaust.
When I open the throttle the engine dies?
The most likely culprit is a dirty or clogged air filter. Issues with your fuel pump or fuel filter can also cause your engine to idle then die with any throttle. If you have an older car, it could also be a bad carburetor.
Why does my trimmer only run on full choke?
When your trimmer starts and runs on choke, it could be because the check valve in the gas cap is clogged. Start the trimmer and gently unscrew the gas cap halfway off. Turn the choke off and assess. If the engine is still running, that means the gas cap may be the culprit.
How do you adjust carburetor on trimmer?
How do I know if my carburetor needs adjusting?
The engine should rev smoothly and quickly as soon as you apply throttle. If the vehicle is displaying any sort of sluggish performance or misfires when you apply the throttle, then more adjustments are required.
How do you adjust the fuel and air mixture on a carburetor?
Where is the carburetor adjustment screw?
What are the 2 screws on carburetor?
There should be two screws on the front of the carburetor, which are used to adjust the air and fuel mixture. Often these look like flat-head screws and you can use a screwdriver to turn them, adjusting the amount of fuel and air mixing in the carb.
Which screw is the idle screw on a carburetor?
The idle speed screw (arrow 1) is located on the primary linkage. The idle metering adjustment screws (arrow 2) are located on the primary metering block on most Holley carburetors. A typical starting location for these idle mixture screws is between 1 and 1 ½ turns out from fully seated.
How do you properly adjust a carburetor?
Here’s How To Adjust a Carburetor
- Remove the Engine Air Filter. The air cleaner and filter assembly must be removed for you to access the carburetor.
- Locate Adjustment Screws.
- (Optional): Hook up Vacuum Gauge.
- (Optional): Set Baseline.
- Warm the Engine Up.
- (Optional): Adjust Idle Speed Screw.
- Adjust the Air-Fuel Mixture.
How do you diagnose carburetor problems?
Four Signs Your Carburetor Is Failing
- Engine Performance Reduction. As mentioned above, combustion starts and keeps your engine running.
- Black Exhaust Smoke. You shouldn’t see black smoke coming out of your exhaust pipe even if you drive a diesel.
- Engine Backfires or Overheats.
- Starting Difficulty.