Servicing A Drive Shaft Breaks Down That Is Among The Reasons Behind A Gas Weed Eater Not Spinning

In spite of the fact that a gas weed eater trimmer head ceasing to spin for a reason for which a different gas weed eater trimmer does not cease to spin in paradoxical, the reason behind this is that something is wrong with the clutch. As the case is with almost each and every all line trimmer, weed eater trimmers make use of a centrifugal clutch that unfastens the engine flywheel from its drive shaft at any time when its engine is inoperative. In case of the clutch springs wearing out the clutch is not going to retract while the head is not going to cease spinning. In case of the clutch slipping, normally as a result of wear, the head is not going to spin in any way. Whatever the case may be the course of action that is the finest is to substitute the clutch.

Drive Shafts

Servicing A Drive Shaft Breaks Down That Is Among The Reasons Behind a Gas Weed Eater Not Spinning

Quick Fixes

In case of the trimmer head not turning, the primary place to try and find problems is in the region of the head itself. It is possible that it is restricted by gristly plant roots and stems. It is possible that they are wound so firmly that they require being cut them by using a knife. Another possibility is that the engine is incapable of developing power that sufficient for spinning the head. This may well be due to the air filter or spark arrestor being blocked. Each of the parts is easily replicable. For accessing the air filter, unbolt the louvered lid from intake port. The spark arrestor is placed just at the back of the plate covering the muffler and can be simply pulled out.

Quick Fixes for Weed Eater

Quick Fixes for Weed Eater

Drive Shaft Breaks Down

The drive shaft of straight and every curved-shaft Weed Eater trimmer is a supple rod that hooks the motor up with the trimmer head. This is a supple rod that can break, and on this happening, the sole option is to get it replaced. There is a centrifugal clutch that hooks the drive shaft up with the motor. This clutch keeps on being retracted whenever the motor is in operative, but on the engine accelerating, centrifugal force shifts it downward the engine crankshaft till it gets engaged with drive shaft. The clutch is able to stick in the inoperative position, which typically is due to the buildup of dirt and wearing off of the engine housing.

The Steps to Follow for Servicing the Drive Shaft or Clutch Are Given below

Step 1

Try stopping the engine and disabling the ignition. This can be done either by plugging the trimmer off or doing away with the spark plug wire. Try and put the trimmer on a surface that is flat, and allow the engine to cool down for a period of 10 – 15 minutes.

Step 2

Do away with the screws that hold the handle housing to drive shaft by using a screwdriver, force open the couple of parts of the handle and slot out the throttle lever from handle. Try and drag the throttle cable from the lever by the use of needle-nose pliers, and follow this up by removing the handle housing.

Step 3

Make the screw loose at the juncture where the drive shaft and the engine housing meet. Drag the drive shaft and free it from engine housing.

Step 4

The next thing to be done is unscrewing the clutch cover of plastic from the face of the engine housing, and getting rid of it for revealing the clutch assembly.

Step 5

The thing to be done next is unscrewing the bolt that holds the clutch housing and the engine crankshaft together by the use of a socket wrench. Drag this thing off for revealing the clutch plate. Unbolt the screws that hold the clutch plate and the flywheel together and do away with it. Substitute the plate as well as the housing.

Step 6

Get the fresh clutch together by following a procedure that is reverse of the ones you had used for removing it. On the clutch being secure, put back the clutch lid, put the drive shaft back in place and make certain that it seats appropriately. Follow this up by replacing the retaining screw. Attach the throttle cable to throttle lever, hook the lever up with the drive shaft and substitute the handle housing.

Things That You Are Going to Require

  • Needle-nose pliers
  • Screwdriver
  • Socket wrench


You might be capable of fixing the clutch by making the springs and shoes lying on the clutch plate cleaner by the use of acetone and greasing them with infiltrating oil. Try and make certain that the oil is kept off the faces of the shoes that come in contact with clutch housing.

Bottom Line

You could require needle-nose pliers for extracting the drive shaft from shaft housing. Because of it having a plastic coating even on the wound metallic part getting broken it is going to come out in a single piece. Seek advice from the Weed Eater website, any repair service online or a neighboring outlet for the appropriate substitution for the model you own.

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