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Preventive Maintenance

D

Dr. Bert

Member
Drained the transmission and rear-end on my M this morning. Twelve or thirteen gallons of 90 weight and 2-3 gallons of water! I pulled all eleven bolts securing the transmission cover and found that 5 of the 11 were dry and rusty, so assumed that the water was being trapped in the 8 cover depressions and working its way down. To cure this problem I cleaned them all and applied silicone gasket maker under the heads, lock washers, and some on the threads and re-installed them. Can't imagine what I would have found if I lived in a wet country.
The master mechanics the will probably laugh me off the forum, but maybe to the new in the game, this might help.
 
No one will laugh, because yours is a common problem. Most or all of the bolts do not go through. I suppose it could work its way through the cover gasket. But, most of the water is either condensation or enters through the gearshift lever. Probably mostly condensation. IH recommended a fluid change once a year. Almost no one does that.
 
CNKS: Thanks for the response. I had considered condensation, but the amount of water seemed excessive. Did not consider the gear shift as an entry point. The cover gasket must be shot; I pressure washed the tractor several days ago and today I noticed that some of the depressions were dry. After your explanation, I wonder if the water traveled down the bolts and escaped around the gasket.
 
Hi Dr. Bret,

Yes, water will travel down the threads and into the tranmission. Years ago we would use permatex on the threads to prevent this. Comes in a small can with a little brush or you can purchase it in a tube. Nasty stuff and you don't want to get it on your clothes. Still pretty hard keeping water out of your transmission. If to much water get's in un-noticed and it freezes something could break.

Bob
 
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