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Can't remove Spool Retainer on MightyLite String Trimmer

Bought reconditioned 26cc Versa took String Timmer ZR21666/ZR21967 and find no way of removing the Spool Retainer in order to replace new .080 string. If there's a nut or bolt in the center, it is cover with a hard
plastic ?? substance. Can you help me?
Orvis Walker

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6 Suggested Answers

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 708 Answers

SOURCE: Homelite MightyLite 26cc Edger won't start

You have to make sure the case of the plug is making good connection against the metal on motor. Use file or sandpaper to get good connection on the plug and the motor.

Posted on Apr 29, 2009

#1 Taper
  • 1041 Answers

SOURCE: Mightylite 26cc Edger

You need to disassemble the carburetor and spray with carb. cleaner. Use a Den Tek Brush,
(, to clean the small portals in the carb. Make sure to clean the small screen in the carb. as well. Reassemble and start.
If you need further assistance, just let me know.


Posted on Jun 08, 2009

  • 11 Answers

SOURCE: How do I the automatic string feeder to work and

i dont remember how to put the line on i got a new head. But when the line gets low hit the head of the atomatic feeder on the ground when runin.

Posted on Jun 11, 2009

  • 59 Answers

SOURCE: How do I open the spool of a Mightylite trimmer?

you have to turn the knob to the left to get off then just pull it off and you can get the line back in place

Posted on Jun 27, 2009

  • 1545 Answers

SOURCE: My MightyLite 26cc trimmer won't

The possible reason it has always been hard to start is the way the settings on the carburetor were initially made at the manufacturer. Elevation and climate affect these sensitive carburetors but the lower grade manufacturers use a "default" setting on the carburetors. I would say a small carburetor adjustment and mild cleaning (if it has sat unused any length of time) will help the starting issue. Try adding a 1/2 ounce to 1 ounce amount of fuel system cleaner into your 2 stroke fuel can. I recommend Chem Tool Berryman B-12. It has the necessary ingredients to help clean built up gum and varnish in the carb and in the engine. The recommended rate is 1 ounce per gallon of gas, so use about 1/2 ounce in a gallon or 1/4 ounce in a half gallon.
As far as adjusting the L and H mixture screws on the carburetor, first you have to be able to get ahold of them. They are made so you can't. I use a small automotive type plastic wire connector tapped down onto the head of the screw so I can then turn it. I know the heads aren't slotted, or are splined or are D-shaped. I suggest resetting the carburetor adjusting screws to alleviate a hard start issue and a mild cleaning of the carb (through it's own fuel system) to aid in cleaning it up. Here is the manufacturer's suggested methods for setting the mixture screws on your carb.

Posted on Apr 09, 2011

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