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DownHome

unidrive newbie

By DownHome, in Transmissions and transaxles

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DownHome    40

DownHome
Posted

So be nice to me but I am working on my 1st WH. 855 I got everything running and I'm trying to figure out the transmission. I feel like I'm constantly grinding gears. I'm new to these tractors so I have no experience but I'm expecting this to not be very challenging. Maybe it's just getting used to the shifting?  Or is this an indication that I have a bigger problem? Seems like sometimes it's not an issue but others it's grinding back at me. Any advice?

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AMC RULES    36,940

AMC RULES
Posted

You can't shift it on the fly...       :WRS:

must come to a complete stop before grabbing the next gear. 

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Retired Sparky    526

Retired Sparky
Posted

Good luck with your challenge.  :text-welcomeconfetti: to :rs:

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Sparky-(Admin)    19,422

Sparky
Posted

What Craig said above...and.....you need the drive belt guard in place to properly stop the belt from spinning the transmission input pulley.

:WRS:

 

Mike............

 

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DownHome    40

DownHome
Posted
1 minute ago, Sparky said:

What Craig said above...and.....you need the drive belt guard in place to properly stop the belt from spinning the transmission input pulley.

:WRS:

 

Mike............

 

So I currently have the drive belt guard off.  This is part of my problem?

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AMC RULES    36,940

AMC RULES
Posted

Should fix it. 

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953 nut    51,381

953 nut
Posted
4 minutes ago, DownHome said:

This is part of my problem?

That is the problem! The belt guard stops the belt when the clutch is depressed.

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Ed Kennell    35,484

Ed Kennell
Posted

Yep, trust these guys.  You're not the first person that removed the belt guard to find a problem and created the gear grinding problem by not putting it back on.

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stevasaurus    22,227

stevasaurus
Posted

The belt guard is (in effect) the clutch.  When you step on the clutch peddle, the tension pulley drops and takes the tension off the belt.  The belt guard funnels the slack in the belt toward the engine pulley and the input pulley on the trans stops turning...allowing you to shift.  :)

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Racinbob    10,256

Racinbob
Posted

There's a tab at the front of the belt guard. If it's like an 854 it's at the bottom. Make sure it's adjusted close enough to the belt. Just recently a friend with an 854 had the same problem. I looked at the tab and it was about 1/2" away. I simply pushed it up so there was just a fuzz of clearance and the issue was gone. :)

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WHX??    46,630

WHX??
Posted

:text-yeahthat:like Bob said....if the tab is worn a drop of brazing rod or weld on it wil fix it.

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WHX??    46,630

WHX??
Posted

By the way DownHome that belt guard is there for another reason, last year mine was vibrating and making a racket on my 1067. I took it off to investigate (loose mounts) and when I had it off I went to move the horse to a different stall and when I did it reared up and bit. Real good too, pant leg got caught and ripped right thru to my right calf. Bloody mess by the time is was done. Was going to put a picture in bumps & bruises after my wife cleaned it up but she deemed it too gross. Got a real @ss reaming from her from being stupid and the damage to a good pair of firehose pants.

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Ed Kennell    35,484

Ed Kennell
Posted (edited)

Hmmm,  all this time I thought "belt guard" was a device to protect the belt.   :kbutt:    Guess which one is Jims Mrs.

Edited by ekennell
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