Answer to 770 OPTO locked up

   / Answer to 770 OPTO locked up #1  

Pilot

Veteran Member
Joined
Nov 20, 2004
Messages
1,219
Location
Oregon
Tractor
JD 770, Yanmar 180D, JD 420 (not running), had a Kubota B6200
Problem was under the seat. Multiple posts before because no one had the answer & no one new was posting their guesses. So here is the answer: There are a pair of yellow rubber cone shaped cushions inside a pair of springs. They had rotted down to fragments. Talked to a JD guy & he knew the answer right away. $40 later & some fussing with it & it spun right up.
 

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