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1969 massey Ferguson clutch.

L

luckybodog

Member
I have a 1969 MF 135 . The clutch was stuck when I got it. It works now. Thanks to the guys on the site who helped me with that but the pto has to be on when I start it or it grinds. The shifting of the gears are funny too unless I put it in gear first then put it in hi or low it will grind. Can the clutches be adjusted without splitting the tractor. pictures are a must I am a visual person, I don't have a barn to do that. If I had to get the shop to do it how much would it cost? I tried to get to Big Dean page but couldn't . My email is [email protected] Thanks
 
Hi,
You may be confusing the normal engagement noise of most 50s to 70s MF tractors. It will not engage as quietly as a car. If you press the pedal down to the end of the first stage and wait for 10 to 15 seconds, is the noise still there? I think it is essential as a starting point that the adjuster clearance on the PTO pressure plate is checked. The photo shows the adjusting bolt. There should be a clearance between the screw head and pressure plate of approx 090". Two hand hacksaw blades together with the teeth ground off is approximate. Whatever gauge you use all adjusters should be the same. Slacken the clamp bolt on the clutch pedal. Using a screwdriver in the end hole of the clutch shaft adjust the position so that there is a free travel of approx 3/8" where the pedal strikes the footrest. The clutch should now be adjusted correctly. However no two are the same and it may be necessary to reduce the clearance slightly on the PTO adjusters for best performance.
The photos show the location of the adjuster and the adjustment being carried out. It will be necessary to remove the inspection plate from under the bell housing. Use good condition 1/2" AF open end spanners and only slacken the nut enough to turn the screw.
Let us know how you get on.

DavidP, South Wales
a40389.jpg

a40391.jpg

a40392.jpg
 
(quoted from post at 22:28:53 05/18/11) Hi,
You may be confusing the normal engagement noise of most 50s to 70s MF tractors. It will not engage as quietly as a car. If you press the pedal down to the end of the first stage and wait for 10 to 15 seconds, is the noise still there? I think it is essential as a starting point that the adjuster clearance on the PTO pressure plate is checked. The photo shows the adjusting bolt. There should be a clearance between the screw head and pressure plate of approx 090". Two hand hacksaw blades together with the teeth ground off is approximate. Whatever gauge you use all adjusters should be the same. Slacken the clamp bolt on the clutch pedal. Using a screwdriver in the end hole of the clutch shaft adjust the position so that there is a free travel of approx 3/8" where the pedal strikes the footrest. The clutch should now be adjusted correctly. However no two are the same and it may be necessary to reduce the clearance slightly on the PTO adjusters for best performance.
The photos show the location of the adjuster and the adjustment being carried out. It will be necessary to remove the inspection plate from under the bell housing. Use good condition 1/2" AF open end spanners and only slacken the nut enough to turn the screw.
Let us know how you get on.

DavidP, South Wales
a40389.jpg

a40391.jpg

a40392.jpg
Click to expand...
 
I opened the cover and there was a rats nest inside. I had no luck in turning the bolts. I hit them with a punch and sprayed a little penetration fluid on them . The wrenches wanted to slip. Any suggestions? I might try a flare wrench tomorrow going to let the fluid do its job. thanks for your help.
 
(quoted from post at 13:54:21 05/18/11) I have a 1969 MF 135 . The clutch was stuck when I got it. It works now. Thanks to the guys on the site who helped me with that but the pto has to be on when I start it or it grinds. The shifting of the gears are funny too unless I put it in gear first then put it in hi or low it will grind. Can the clutches be adjusted without splitting the tractor. pictures are a must I am a visual person, I don't have a barn to do that. If I had to get the shop to do it how much would it cost? I tried to get to Big Dean page but couldn't . My email is [email protected] Thanks
Click to expand...

Ours did the same thing before tearing it down. In addition, the bellhousing was also filled with fluid up to the TDC ID hole on the engine to bellhousing adapter plate. Once torn down, both the PTO and main clutch were in peaces. Surprising, as a month before, it was pulling a 3 bottom plow without an issue.

DavidP, I just wanted to give another thanks to you for posting clutch adjustment procedures with detailed pictures! You need to do a transmission rebuild in the same format.... I have to pull ours apart to replace the input shaft bearings so it won't eat the seals :(
 
At least with those you could 'feather' the PTO into work if you slowly raised the clutch pedal after you engaged the PTO. I always found the independent PTO engagement on the 100 series Masseys to a be a bit 'sudden' if you know what I mean.
"A Tale of Two Cities?"
I saw on TV the other day a piece about The BBC sound effects department. Apparently for one radio play they used to slide a carving knife down a length of scaffolding pole then follow it by dropping a large cabbage into a wicker basket. This was to simulate the sound of someone's head been cut off by a guillotine during The French Revolution!
 
Hello Roy,
I seem to recall seeing a programme on the radio play sound effects etc. Just thinking about the scaffold and cabbage make it seem very real!
Cheers
David
 
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