storkmack Posted April 5, 2021 Share Posted April 5, 2021 This knob is in our IH 4300. It was leaking and wouldn’t shift into high range, so I figured it had a bad Oring in it. So in the process of taking it apart it fell and the pieces kinda went every where. To my defense, we didn’t have any orings, but I may need some guidance on putting it back together. Anyone have a parts blow up? I’m fairly certain one Oring melted away to goo, outside of that, I think I have a handle on putting it back together correctly. Haven’t had one of these apart in about 22 years. IMG_1617.MOV 1 Quote Link to comment https://www.bigmacktrucks.com/topic/66462-13-sp-shifter-knob/ Share on other sites More sharing options...
85snowdog Posted April 5, 2021 Share Posted April 5, 2021 This may help a little. I had to fix an air leak in mine to . I just matched the o-ring up. I was fortunate that there was still one there , it had just got worn from old age. I think you are supposed to use a special grease when you put it back together. I just used chain lube . Not sure if that was right. It doesn't leak any more and works well. 1 Quote Keith Link to comment https://www.bigmacktrucks.com/topic/66462-13-sp-shifter-knob/#findComment-472036 Share on other sites More sharing options...
storkmack Posted April 5, 2021 Author Share Posted April 5, 2021 The parts blow up is just what I needed. Thank you, I knew someone here would have the info Quote Link to comment https://www.bigmacktrucks.com/topic/66462-13-sp-shifter-knob/#findComment-472040 Share on other sites More sharing options...
Rob Posted April 5, 2021 Share Posted April 5, 2021 Last one of those I had had brownish/red ink in the writing and didn't say "Eaton" anyplace. Only "Fuller". Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/66462-13-sp-shifter-knob/#findComment-472042 Share on other sites More sharing options...
storkmack Posted April 5, 2021 Author Share Posted April 5, 2021 I have no experience with the 3 position button like this one. The one I worked on many years ago had the splitter on top and the range selector plunger mounted on the stick. I was 16 or 17 at the time. Quote Link to comment https://www.bigmacktrucks.com/topic/66462-13-sp-shifter-knob/#findComment-472044 Share on other sites More sharing options...
Rob Posted April 5, 2021 Share Posted April 5, 2021 Really wasn't any rhyme or reason but both were common in the 70's with the 13 speeds. Wasn't far into the 1980's when that style was replaced with the 4900 valve. 1 Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/66462-13-sp-shifter-knob/#findComment-472045 Share on other sites More sharing options...
85snowdog Posted April 5, 2021 Share Posted April 5, 2021 There used to be a repair kit. Like everything else old..... its probably not available now, but I don't know. Though I would share in case its of any use . 1 Quote Keith Link to comment https://www.bigmacktrucks.com/topic/66462-13-sp-shifter-knob/#findComment-472054 Share on other sites More sharing options...
storkmack Posted April 5, 2021 Author Share Posted April 5, 2021 Thank you 85snowdog. Everything seems good except for the orings. Hoping the local auto parts store has something that will work Quote Link to comment https://www.bigmacktrucks.com/topic/66462-13-sp-shifter-knob/#findComment-472063 Share on other sites More sharing options...
Joey Mack Posted April 5, 2021 Share Posted April 5, 2021 can you use A/C orings..? Quote Link to comment https://www.bigmacktrucks.com/topic/66462-13-sp-shifter-knob/#findComment-472077 Share on other sites More sharing options...
storkmack Posted April 6, 2021 Author Share Posted April 6, 2021 Got some Orings tonight at Napa. We are in business now! Shifts nice, an the truck runs real good. Thanks guys. Quote Link to comment https://www.bigmacktrucks.com/topic/66462-13-sp-shifter-knob/#findComment-472091 Share on other sites More sharing options...
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