As I understand the question, the throttle won't stay put at high speed. The throttle lever has a friction washer to keep it from moving and this can wear over time or someone may have mistakenly lubricated it. The best solution is to replace the throttle assembly--probably about a $30 item. You can also try removing the throttle assembly and then peen the rivet that it pivots on. This may tighten it up enough to keep it from moving. You can also drill out the rivet and install a machine screw with a lock nut so you can tighten it to the desired level. If the friction material is too badly worn then a new throttle assembly is in your future.
Throttle Lever Creeping Closed
Anyone have experience resolved a throttle that creeps closed? Anything on the lever assembly that can be pinched or 'tweeked' to resolve this? This is in regard to a 1972 444.
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Which one did you use?NutCASE said:I did 'Barts' trick and it worked in the winter for me...but then it was 'Tom's' trick or Jack's...So, where ever in originated it works...GL :thumbsup:
Bart doesn't bother repairing throttles he just parks it and grabs the next tractor in line, by the time he gets to the end of the line his cable's good again. :sidelaugh: :sidelaugh:
I drilled mine out and used a bolt,nut and lock washer to hold it all in place with the friction disk. You can do it without removing the throttle assembly. Be careful not to lose the friction disk when you cut the end off the rivet.
Sweeeeet. Thanks guys.
I forgot to fix the creeping throttle until I mowed the lawn with it. Couldnt tighten up the rivet so I drilled her out for the bolt trick. Unfortunately the only thing left of the lever side friction disc were the 4 anti-rotate lugs. Anyone try using a regular nylong washer in place of one or both of these? I'm like a little kid with this thing and have an acre or so of lawn left for tomorrow and dont want to use the yellow tractor.
Recently...........I read a thread where the owner took an old leather belt that he no longer needed to hold up his pants with and cut a washer from that. According to him, it solved the problem. I have no idea as to how long that will last but leather is a tough material.
friction washers available from Ace or Sears hardware
I have a "friend" that used a bungee cord to hold his throttle open to finish his snowblowing. It's better than using the other tractor.
I have an Ace close by. I'll try that first. Got one hell of a nasty blood blister on my thumb from holding it for 3 hrs straight.
And THANKS!
Nylon washer from Ace, bolt and locknut, and new carriage bolts to mount to dash. Works great. My thumb is much happier and much easier to operate with two hands. Works great! Thanks guys.
For years I had a piece of metal cut to fit and hold the throttle lever at full. I put a piece of chain on it and hung it around the steering shaft. I think the new owner of this 448 is still doing the same thing. It was "tagged" as Mad Mackie's "cruise control" by some of my amigo's here and there!!!!
But I did do the bolt and locknut (1/4-28) thing on my 4018 and I used a hard fiber washer that I had in my stash. If you use a hex head bolt and locknut then you can easily adjust the friction with two box wrenches.
Mad Mackie in CT :mrgreen: :mowlawn:
But I did do the bolt and locknut (1/4-28) thing on my 4018 and I used a hard fiber washer that I had in my stash. If you use a hex head bolt and locknut then you can easily adjust the friction with two box wrenches.
Mad Mackie in CT :mrgreen: :mowlawn:
Fixing the slipping throttle - revisited...
Throttle repair - Revisited - Did this repair myself yesterday, and it works a treat.
Bart had a great idea here. However, I have been handling rivets differently.
First, remove the battery. Now loosen the cable from the linkage and the clamp that holds the cable, and then take the 2 screws out of the dash that held the throttle in place. Once this was done, I was able to pull the throttle cable since the cable was loose, just enough to rest the assembly in place on the dash cowling off to the side for support, exposing the rivet head to easy access. The reason I didnt totally remove it is because I didnt want to have to fish the cable back through tight spaces. I then selected a drill bit that over lapped the rivet head - that is, the diameter of the bit, is bigger than the rivet. Took my light cordless drill and on low speed, held the assembly in place, and in a few revolutions, the head came off the rivet. It will fall off almost like a washer. Nice, neat and easy.
Everything else is as Bart said. The whole job took about 15 minutes.
Away with creeping throttle!
Throttle repair - Revisited - Did this repair myself yesterday, and it works a treat.
Bart had a great idea here. However, I have been handling rivets differently.
First, remove the battery. Now loosen the cable from the linkage and the clamp that holds the cable, and then take the 2 screws out of the dash that held the throttle in place. Once this was done, I was able to pull the throttle cable since the cable was loose, just enough to rest the assembly in place on the dash cowling off to the side for support, exposing the rivet head to easy access. The reason I didnt totally remove it is because I didnt want to have to fish the cable back through tight spaces. I then selected a drill bit that over lapped the rivet head - that is, the diameter of the bit, is bigger than the rivet. Took my light cordless drill and on low speed, held the assembly in place, and in a few revolutions, the head came off the rivet. It will fall off almost like a washer. Nice, neat and easy.
Everything else is as Bart said. The whole job took about 15 minutes.
Away with creeping throttle!
As I understand the question, the throttle won't stay put at high speed. The throttle lever has a friction washer to keep it from moving and this can wear over time or someone may have mistakenly lubricated it. The best solution is to replace the throttle assembly--probably about a $30 item. You can also try removing the throttle assembly and then peen the rivet that it pivots on. This may tighten it up enough to keep it from moving. You can also drill out the rivet and install a machine screw with a lock nut so you can tighten it to the desired level. If the friction material is too badly worn then a new throttle assembly is in your future.
I will try this also.
My 6018 throttle creeps down,
but at the moment I have to keep some choke on anyway.
Need to work on the carb too, but that's another thread.
The choke knob jams against the throttle to keep it up into the power range,
so at least I can keep it running.
My 6018 throttle creeps down,
but at the moment I have to keep some choke on anyway.
Need to work on the carb too, but that's another thread.
The choke knob jams against the throttle to keep it up into the power range,
so at least I can keep it running.
I have this same problem on my Case. Going to have to give one of these fixes a try.
WOW, Thanks.:thumbup:
turns out, that a previous owner had already changed the rivet to a bolt and nut.
I was setting up to take the assembly of the dash and looked down and saw the head of a bolt already there.
A couple wrenches and a twist, now the throttle stays where I set it.
Couldn't have been easier, if I have someone else do it.
turns out, that a previous owner had already changed the rivet to a bolt and nut.
I was setting up to take the assembly of the dash and looked down and saw the head of a bolt already there.
A couple wrenches and a twist, now the throttle stays where I set it.
Couldn't have been easier, if I have someone else do it.
I'm having issues with this as well. I drilled out the rivet and replaced with a lock nut, bolt, flat washer and star washer. It holds great...until I move the throttle. The whole thing loosens up and the throttle creeps closed. I even went as far as rubbing the friction washers on sandpaper to try to rough them up. At first I had the bolt and nut the wrong way. It would loosen up as the throttle was opened and tighten when closing. I flipped it around so it tightens when opening and loosens when closing. But, as I said, it loosens up so much that it doesn't tighten back up. What am I doing wrong?
Yup. Have it installed now with no luck. It seems to grab the throttle lever and spin with it.
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