ECHO, Inc. 20 In. Double Sided Hedge Clipper

Runs for about 3 min and cut off

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A clogged carburetor is most commonly caused by leaving fuel in the hedge trimmer for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and cause the engine to stall or run roughly.
The air filter or exhaust port may be blocked. The trimmer may need lubrication and cooling fins or air passages may be blocked. A cordless trimmer`s battery or charger may be faulty.
The clutch engages the clutch pads to spin the trimmer head. If the clutch assembly is defective, the clutch will not disengage the clutch pads, and the trimmer head will continue to spin, even at low speeds. If the clutch is defective, replace it. (Note: some string trimmers do not have a clutch.
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.
If your 2-stroke brushcutter fails to start, the simplest explanation is that there is not enough fuel: in this case you simply need to top it up. A 2-stroke brushcutter engine runs on fuel/oil mixture, which you can buy ready prepared, such as EFCO-Mix Alkilate alkylated mixture in a 5 L can.
If a hair clipper doesn`t work at all, make sure power is on at the electrical receptacle, check the battery and recharge it if it is low or check the electrical cord. Unplug the unit, turn it over and manually move the blades. If necessary, test the motor and switches.
What is the spark plug gap? The spark plug gap is, . 024-.
The trimmer can sputter and stall if it isn`t getting enough fuel, and that can happen simply because the fuel filter is dirty. Fuel filters are inexpensive, and it`s more practical to replace a dirty one than it is to try to clean it. On most models, it`s in the gas tank or on the cap.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

What is the gas–oil mix for the echo hc-1500

What would cause excess vibration in an Echo double sided hedge trimmer model HC-1500
ANSWER : Check for loose blade to case mounting bolts or cracked support bar.

My blower only runs with 3/4 choke even after warm up.
ANSWER : Look on the carb for 2 screws side by side. where those screws go into the carb, it will be stamped with an “H” and “L”. Open the screw that is next to the “H”, counterclockwise about 1/4 turn at a time with the engine running, that should solve it.

Will only develop power (and run somewhat properly) when the choke is engaged about 90%. Starts fine.
ANSWER : Sounds to me as tho you may have a loose carburetor or another part that is letting air into the system. Check all bolts and screws for tightness. Also, you may need to clean the carburetor or put some cleaner in your gas. Not too much, only about a tablespoon, but check the screws/bolts first.

Won't start – Echo Pb – 413t Backpack Blower
ANSWER : Adjust the carb,altitude can effect the engine

25 hp kolhler won’t stay running
ANSWER : Check fuel filter, it may be clogged, if so replace

My echo pb 500 h will crank but choke has to stay on for it to keep running. if i put the choke offf, the engine dies. Have turned the idling screw but that doesn’t help.
ANSWER : Needs a carb kit the diaphram is dry

Replacement of starter cord on HC-150 hedger
ANSWER : You may have wrapped it the wrong way. If not, your spring is either broken, the bend on the end which slides into the plastic has straightened, or the plastic spool has broken where it holds the other bent end of the spring.