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Mantis Little Wonder Tiller/Cultivator #7262h Questions & Answers
Worm gear has a hard
You will probably need to replace the worm gear and any other worn parts in the gearbox. Check your owners manual for part numbers. If extensive repair is needed and your machine is several years old you may be better off with the Mantis trade in program for a new tiller. I found this to be the case with my own tiller last year. Call or go to
www.mantis.com.
Runs like the devil, but
compression ratio is bad. when you try and start the engine it warms up and the machine
gets tighter and the compession goes up then the engine starts ... you ran it on gas without oil and
rings are starting to go out... buy a new one...
Spring replacement
Replacing the spring on this tiller can be tough. You have to get the tension spring set into the stop and partially wind the tension (by turning the cord pulley) and THEN attach the cord before completing winding the tension spring. It took me about an hour to figure out how much preset of tension was needed before I was able to get it to work. You have to partially preset tension because starting from zero will not fully rewind the cord.
Older mantis 7222E Hedge Trimmer has no spark
You have nothing connected to kill tab on the ignition module? The module is asymmetrical so it can't be installed backwards.Measure coil secondary resistance of both original and new module. I don't have the exact spec and range can vary widely in small 2 stroke.Are there any calendar dates on it... not finding the model as Mantis.Comment for further assistance.
Mantis cultivator when starts at first dies at low idle
Implies carburetor low speed fuel circuit lean. Increase low speed fuel/air.
Initial setting is 1 1/2 turns. Increase idle speed enough to keep the engine runnning so a proper adjustment of the low speed air/fuel mix can be completed.
Basic rules; Always adjust low speed a/f first, then open throttle and adjust high speed a/f. Any low speed adjustment must be followed with a high speed adjust. Error on the rich side for high speed. Allow engine to reach operating temperature for final adjustment.
Other potentual issues, fuel quality, fouled carburetor, old impulse diaphragm (carb), carb to engine intake gasket leak, crankcase leak.
Removing tines makes it easier (safer).
Where is the engine number on mantis tiller an old one
In the Mantis 2-cycle tiller:
SV number is located between the gas tank & the carburetor, behind the gas line, on a black and silver tab on the silver engine housing. It will consist of the letters "SV," a number and another letter.
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