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Rocker Shaft Disassembly

Discussion in '"Stock" Alpine' started by SoCal'beaming, Sep 27, 2019.

  1. SoCal'beaming

    SoCal'beaming Donation Time

    I'm taking apart a spare rocker shaft assembly as I need one of the stands and they don't seem to "spring off" and a slight tap on the shaft end after shooting it with penetrating oil did nothing. ... any thoughts? .... these aren't rusted parts but looked a little dry ... don't want to booger the stands up.

    .... Thanks again for the help! ... David
  2. puff4

    puff4 Gold Level Sponsor

    David, I'm not quite clear. Are you trying to get the stands off the head studs, or off of the rocker shaft?
  3. DanR

    DanR Diamond Level Sponsor

    David, Not sure if you will wind up needing any work done on the rockers or stands, But I had Delta Cams do work for me when needed... They are excellent.
  4. beamdream

    beamdream Gold Level Sponsor

    If you've taken off the end clip and taken off a rocker arm spring etc. the stand will slide off but you need to work at it.

    One of the problems being the cutout in the rocker shaft where the locating bolt passes through the stand, this area sometimes has a slight burr in the stand or a ridge of carbon/oil residue around it. So its really a matter of twisting and soft tapping with a mallet to push the shaft through the stand.
  5. Gordon Holsinger

    Gordon Holsinger Diamond Level Sponsor

    If you have a heat gun try that aluminum heats up faster and expands more do not use a torch
  6. SoCal'beaming

    SoCal'beaming Donation Time

    Thanks Guys! .... Honey-do-list done so I'll be on it in a bit. ... Puff, off the shafts ... Dan, no work needed just replacing a bad stand ... Dreambeam, thought that might be the issue just being cautious with removal as most seem to "spring off" once the end clips are removed ... Gordon, been needing a heat gun for a while now .... had to repair a SII alum. hardtop that a PO had accidentally drilled through it drilling out bad clamp screws ... aluminum needs a gentle and experienced hand when using a torch ... in my early days I had my share of melting parts with the wrong use of a torch. :oops:

    ........... Thanks again all!, David
  7. SoCal'beaming

    SoCal'beaming Donation Time

    OK .... Had to gentle drive the shaft out after making a fixture to hold it. .... Is there a specific orientation to what side those slots in the rocker stand should face ... Drivers side or pass side (US models) ... don't recall when I took them off and no ref. in the man. I could find .... does it matter? .. having a little issue getting them on to the other shaft ... might there be a difference between years and alloy heads where the stands are concerned?

    .... Thanks,, David
  8. beamdream

    beamdream Gold Level Sponsor

    My memory is they will only go on one way, because the stand bolt cutout is offset.
  9. hierogk

    hierogk Donation Time

    FWIW I just did this also. The oil holes in the shafts were pointing downwards on both. Oriented that way the slots can only go one way. Anyone know what the slots are for? There are two on each shaft and they are different sizes.
  10. nsbluenose

    nsbluenose Bronze Level Sponsor

    The slots are mounted to the drivers side, North America. The stud for the rocker stand goes through the slot on the rocker shaft and the stand, these must line up at reassembly. There is a front and rear shaft, 4 holes in the shaft point down and slots to the drivers side. Sometimes there can be a slight burr on the outside edge of the groove that the end clips fit in that prevents the rockers and stands from easily sliding off the shaft. Light filling should remove that. When reassembling two O-rings on both sides the the brass oil diverter located between the two shafts cuts down on any oil leaking at those two joints. Made a huge difference in my case.
  11. nsbluenose

    nsbluenose Bronze Level Sponsor

    Light filling should remove that.
    Should have read 'filing', not 'filling'.

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