kennys@wi.rr.com
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Sounds about right. Do you have new o-rings to reinstall it? PM me if you need any.
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Removing, rebuilding, reinstalling Hydraulic Head
- Thread starter kennys@wi.rr.com
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texas30cal
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Yes sir I got them from a local bearing house, ordered the retainer and bow tie washer from ambac yesterday, I stoned the 2-3 tiny nicks off the plunger and out of the bore, I guess we are just waiting now. I'll have to o ring the running truck too as its making oil
(.
(.texas30cal
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What is the correct ambac part # for the plunger guide (bowtie washer)?
gimpyrobb
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gu404360
texas30cal
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Ok just making sure, thank you sir!
texas30cal
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Well we put it back together and it's running great! I have one issue, if I tighten the screws down on the bridge that holds the shutoff rod in it jams the rod tight, I think it might be the o ring I used, all they had in that size was the quad ring that's supposed to be equivalent to the one listed here.
kennys@wi.rr.com
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You have to tighten those two screws a little at a time. Find the sweet spot and then use the safety wire to lock them in place.
texas30cal
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So they don't necessarily get tightened all the way down, it's kind of like tightening up a packing?
kennys@wi.rr.com
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Pretty much. If you tighten them either the truck wont run or you'll have a run away.
texas30cal
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That's what I figured so I've just barely got them snug, will readjust and safety wire this week, thanks very much!!
gimpyrobb
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Barely snug is fine, just make sure the safety wire is on.
nk14zp
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Didn't read the whole thread but on mine the dimple was facing down.Also, when taking things apart, make sure you see which way it goes. Neither Kenny or I noticed which way the fuel shut-off block goes in the head. One side of that block has a dimple in it. We don't know if it is supposed to face up or down.
P.S. Thanks again gimp for the parts.
rustystud
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That's the correct way. Dimple down.
mmeridith
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Thanks to all that have posted as I am in the process of removing & cleaning my stuck HH. These posts & pics are invaluable, was a little intimidated at first rebuilding the HH but looking forward to seeing if can get my baby running again by my own determination.
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kennys@wi.rr.com
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If you need any help just let me know. I've been on the phone with several people the last week reviewing the process with them. I'm also going to release a tutorial video series in the coming weeks.
mmeridith
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Kenny, thanks... but I got the ole girl up & running yesterday. Removing & reinstalling HH for the 3rd time was the charm.
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Thank you very much for the write up and the info on this subject. My HH was leaking from a crack. I followed the steps in this post and was able to put a new one in. Although I had to do it twice because the clip and button came off when I installed it the first time! Second time was the charm, it's nice to have the truck run without fuel leaking al over the place.
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mmeridith
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Here is what I found in the "bad" HH that I removed... the shaft is scored. Pulled the HH off my "spare" IP, installed on the deuce and she fired right up. There was an old post from a few years back about the cloned Chinese heads. Is anyone still importing these? Would like to have a spare or two on hand for next time.
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Last edited:
rustystud
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WOW ! Scored does not even touch what is wrong with that shaft ! It looks like some garbage got past the filters and really chewed up that shaft ! It was amazing you where able to run it at all.Here is what I found in the "bad" HH that I removed... the shaft is scored. Pulled the HH off my "spare" IP, installed on the deuce and she fired right up. There was an old post from a few years back about the cloned Chinese heads. Is anyone still importing these? Would like to have a spare or two on hand for next time.
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kennys@wi.rr.com
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That one is really tore up.