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61in. scag cv22s kolar starts and runs when switch for blades is turned on blades turn but power rpm,s drop about 70%

Steve do you have any other ideas on this?

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  • Garden Master
  • 7,943 Answers

Ill suggest you have some seized bearings on the mower deck itself

Posted on Jul 17, 2017

Testimonial: "thanks for your input but there are no seized bearing . any other suggestion would be great."

  • 1 more comment 
  •  steve
    steve Jul 17, 2017

    does it have an electric clutch between the engine and the belt drive? i have seen other machines that do and thats why im wondering. something isnt right there for sure. what it is is the challenge. i wish i could help more.

  • terry albers
    terry albers Jul 20, 2017

    steve it dose have a elec. clutch and a pto switch that engages the blades any ideas?

  •  steve
    steve Jul 20, 2017

    im not sure how to test the clutch but maybe it has a bad bearing in it??



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SOURCE: my rpm's drop below 1 when i get up to 70 and the

Check fuel pressure, change filter if delivery is low, change pump if pressure is not right after filter change. There could be more problems but that is where to look first.

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SOURCE: mower will run fine until i engage the mower blades

sounds like a governor arm is broken or missing . look for a small rod that should be attached to the carb under the throttle linkage. If missing altogether you may only find small arm with a hole in it where it should be, If unsure, consult mower shop.

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SOURCE: blade will not turn

motor will hum but no blade turn if bottom seal worn and material leaks into shaft. Rekove drive head and try turning shaft if nio go dissasemble entire unit ,clean and service, replace seals

Posted on Sep 20, 2009

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