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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 12650
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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Techumseh lv195xa on Toro Recycler Self Propelled. Has bad

Customer Question

Techumseh lv195xa on Toro Recycler Self Propelled. Has bad vibration, calms down considerably when blade is engaged. Flywheel sheer pin is not damaged.Did some measuring and blade and crank shaft seem not to be bent, measured blade at 4 or 5 points around deck (measured both ends of blade at each point). Have not used a dial indicator on end of crank but vibration is excessive enough that it seems it would be visible.
JA: I'll do all I can to help, Toro Recycler Self Propelled. Is there anything else the Small Engine Technician should be aware of?
Customer: Don't think so, LV195XA 362086E, DOM-07043lE0132
JA: I'm sending you to a secure page on JustAnswer so you can place the $5 fully refundable deposit now. While you're filling out that form, I'll tell the Small Engine Technician about your situation and connect you two.
Submitted: 8 months ago.
Category: Small Engine
Expert:  Donald replied 8 months ago.

Hello, and thank you for choosing Just Answer. My name is***** will be happy to assist you. Have you checked your engine mounting bolts, to see if they are all tight?

Customer: replied 8 months ago.
Expert:  Donald replied 8 months ago.

What about your blade adapter? Have you checked to see if it have a crack in it. It could be a hairline crack?

Customer: replied 8 months ago.
I haven't but wouldn't the vibration be present with or without blade engaged?
Customer: replied 8 months ago.
Vibration practically diapered with blade engaged
Expert:  Donald replied 8 months ago.

Thanks for your reply.

Expert:  Donald replied 8 months ago.

Do you remember ever striking a solid object with your blade, at some point??

Customer: replied 8 months ago.
Not at all.
Expert:  Donald replied 8 months ago.

If all of your mounting bolts are good and tight, and you experience vibrations, when your blade is not engaged, this leads me to believe your crankshaft could be slightly bent.

Expert:  Donald replied 8 months ago.

Can you get the model numbers from your frame for me?

Expert:  Donald replied 8 months ago.

I would like to see what all is attached to your crankshaft ...

Customer: replied 8 months ago.
I can't right now but the drive pulley, blade mount and blade are all that's on it.
Expert:  Donald replied 8 months ago.

No problem. I wonder if there is any play in your drive pulley?

Customer: replied 8 months ago.
Blade is tight.
Expert:  Donald replied 8 months ago.

I have another suggestion ...

Customer: replied 8 months ago.
I could check that but its hard to imagine that pulley causing that much vibration?
Customer: replied 8 months ago.
Is there internal dampers as in larger engines?
Expert:  Donald replied 8 months ago.

Checking the pulley was just another thought. At the top and bottom of your engine, where your crankshaft comes out, check for excessive play in this area.

Expert:  Donald replied 8 months ago.

Your engine is not equipped with an internal synchro- balancer ...

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