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  1. #1
    Join Date
    Dec 2006
    Location
    Tigard, Oregon
    Posts
    3,016

    Default Shaft Packing Replacement on 2006 LSV

    I replaced the shaft packing on my 2006 LSV last week because at the end of last season, I had the packing nut bottomed out and water was coming out of the shaft seal at a steady stream. I bought TefpackŪ Synthetic Packing, "a strong durable synthetic fiber saturated with teflon" from go2marine.com for $6 for the 2' x 3/16" size.

    First I removed the trim panels (two) on the front of the starboard rear locker as this seemed to be the best access. I also removed the ballast intake strainer cup and the large cooling water hose that goes from the v-drive to the impeller. This gave me a little room to work. See pics below.



    Next I used an adjustable sink wrench and a pair of channel locks to separate the locking nut from the packing nut, then backed the packing nut all the way out and slid it up the shaft as far as it would go. Then I used a dentist's pick to remove the existing packing. It worked great, I dug 5 pieces of packing out in less than 5 minutes.



    I initially followed Brian Raymond's instructions as posted by JesseC (thanks!) but found that the recommended length of 4-1/8" is too short. The pieces I removed were all 4-1/4' so I cut the first piece that length and tested it and it seemed to be the right length. Also, on the advise of my local dealer's mechanic, I cut both ends at a 45 degree angle instead of a straight 90.

    I put in three pieces of packing and tigthened and packed the packing per Brian Raymond's instructions but when I tested it on the water, I found that it was leaking a pretty steady stream. Good thing I brought the necessary tools with me so I tightened the packing nut about another couple of turns until the dripping slowed to about once per 30 seconds with the engine in gear at idle speed. I called it good at that point.

    Al
    Al

    2006 Mobius LSV

  2. #2
    Join Date
    Mar 2003
    Location
    s.e. washington state
    Posts
    2,113

    Default

    Excellent post. With a synthetic you don't need to have the system drip unlike a wax cord. I put in a graphite cord six years ago and I tightened where there is no drips and hasn't needed an adjustment since. Excellent choice in cords and it should be the last cord you will ever need.
    1998 Mobius
    310 HP PCM

  3. #3
    Join Date
    Jul 2002
    Location
    London Ontario Canada
    Posts
    1,855

    Default

    Great post Al. how hard do you think it would have been to loosen the 4 drive shaft bolts and slipped a feeler gauge between the coupler?
    09 21v LAUNCH

    run your engine after you change your oil
    68 th Member. WS420,HSE Revolution, OJ 466, Acme1157,1100 sacs,Kicker HLCD's n IX500.4, Supra Coolies
    Doug

  4. #4
    Join Date
    Dec 2006
    Location
    Tigard, Oregon
    Posts
    3,016

    Default

    Quote Originally Posted by zabooda View Post
    Excellent post. With a synthetic you don't need to have the system drip unlike a wax cord. I put in a graphite cord six years ago and I tightened where there is no drips and hasn't needed an adjustment since. Excellent choice in cords and it should be the last cord you will ever need.
    The service tech at the dealer told me that even with synthetic packing, I should allow it to drip a little to keep it lubrcated. But glad to know you have made it 6 years with no drips an no issues.

    Quote Originally Posted by DOCDRS View Post
    Great post Al. how hard do you think it would have been to loosen the 4 drive shaft bolts and slipped a feeler gauge between the coupler?
    I think it would have been doable. I basically sat with my legs crossed and could access the area with both hands. It's tight though. But why would you loosen the drive shaft bolts? Don't you just slip the feeler gauge in between the bolts? I still have to check my shaft alignment one of these days.
    Al

    2006 Mobius LSV

  5. #5
    Join Date
    Jul 2002
    Location
    London Ontario Canada
    Posts
    1,855

    Default

    you loosen these bolts to separate the prop shaft coupler then pull it back tight by hand and measure the top bottom and both sides to determine if you need to adjust the motor alignment,
    Last edited by DOCDRS; 04-20-2010 at 08:43 AM.
    09 21v LAUNCH

    run your engine after you change your oil
    68 th Member. WS420,HSE Revolution, OJ 466, Acme1157,1100 sacs,Kicker HLCD's n IX500.4, Supra Coolies
    Doug

  6. #6
    Join Date
    Aug 2008
    Location
    Greenville, SC
    Posts
    82

    Default

    You put 5 pieces in your 06 LSV? I have the Goretex GFO packing and most i can fit is 2 rings. Tried 3 but after many hours and vulgarities, i stuck with 2. 3 wouldn't get enough threads to lock on.

    SC_LSV
    2006 Moomba Mobius LSV Black/Grey
    Board - 08 Ronix Covin / 08 Ronix Cells
    Surf - CWB Tsunami
    Audio - 6 - JL M650-CCX 6.5" in boat
    2 - JL M770-ETX 7.7" on Tower
    2 - JL 10" W1 Subs
    JL M6600W & JL M1700W Amps

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