TC40DA tach intermittent failure

   / TC40DA tach intermittent failure #1  

lhfarm

Veteran Member
Joined
May 17, 2002
Messages
1,370
Location
Central Indiana
Tractor
NH TC40DA
Started the tractor today and the tach didn't move. Drove the tractor for about 15 minutes moving some logs, then put it back in the barn. When I switched the tractor off, I thought I saw the tach move. Restarted the tractor and the tach seemed to be working normally.

A couple of weeks ago the tach "stuck" at the starting RPM, but again returned to normal operation after I turned the tractor off and restarted. Before I start taking things apart, does anyone have a suggestion for how to go about finding the issue?

Thanks!
 

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