hlpdobro
Member
Tach on 3840 is jumping around. I suspect the cable. Is there a practical way to lube or should I seriously consider replacement?
hp
hp
Wacky Tach (3840)
- Thread starter hlpdobro
- Start date
Stampeder
Gold Member
- Joined
- Dec 2, 2006
- Messages
- 318
- Location
- East Texas
- Tractor
- Montana 4940C, FEL, Quick change 3 point factory hitch, pallet forks, grapple, 50 gal tank sprayer, Bush Hog PHD
Don't lub the cable!!
I had a similar problem. I took the cable apart and found nothing wrong with it. The problem I found (and I suspect is yours) was dirt in the tach. Take the dash apart and remote the tach head. CAREFULLY blow the tach out. I believe you will find this will fix your problem. The clearances inside are very tight and small bits of dirt cause it to bind and bounce. My tractor is 14 years old and works like a charm now.
Good luck with it.
Glenn
I had a similar problem. I took the cable apart and found nothing wrong with it. The problem I found (and I suspect is yours) was dirt in the tach. Take the dash apart and remote the tach head. CAREFULLY blow the tach out. I believe you will find this will fix your problem. The clearances inside are very tight and small bits of dirt cause it to bind and bounce. My tractor is 14 years old and works like a charm now.
Good luck with it.
Glenn