Scag VAC suction/blow-out problem...

Discussion in 'Lawn Mowing' started by nazzippy, Dec 1, 2005.

  1. nazzippy

    nazzippy LawnSite Member
    Posts: 4

    Hi All,

    I have a scag 52 inch with the advantage deck, 2003 I think.
    I recently added a used SCAG VAC (2004 model with 8 inch vac hose) to the mower deck to take care of the leaves.

    I noticed that as I mow, there is a some wind (and leaves) coming out of the left side of the deck. There is also some coming out of the right/front of the deck.

    Additional info:
    I am running with the SCAG mulching blades, I have the front deck baffle all the way down, and also have the the baffle on the discharge chute.
    The vac I bought did not have the special spacer/link that was to be added to the front of the mower deck (repalce front link chains).

    Any ideas on what I can do to minimize this and improve the vacuum?
     
  2. John Gamba

    John Gamba LawnSite Fanatic
    from ct
    Posts: 10,812

    Is the Exhaust screen clean?? Is this a belt driven blower??
    John
     
  3. nazzippy

    nazzippy LawnSite Member
    Posts: 4

    The exhaust screen is spotless.
    It is driven by the belt on the deck.

    Thanks
     
  4. John Gamba

    John Gamba LawnSite Fanatic
    from ct
    Posts: 10,812


    How is the belt tension??
     
  5. nazzippy

    nazzippy LawnSite Member
    Posts: 4

    The belt tension seems to be fine.
    It is a relatively new unit and the belt is new as well.
     
  6. Jpocket

    Jpocket LawnSite Silver Member
    Posts: 2,278

    No matter what kind of Vac you get, there will always be some blow out. It shouldn't be shooting out like crazy either. I have never seen one that didn't blow out
     
  7. TLS

    TLS LawnSite Fanatic
    Posts: 7,937

    I would suggest NOT using the SCAG mulching blade.

    Either use a standard SCAG blade or a TRUE Gator blade.

    The mulching blade forces wind DOWN which is likely causing your problem.
     
  8. grass_cuttin_fool

    grass_cuttin_fool LawnSite Gold Member
    Posts: 3,504

    YOu may need to let the deck height down 1 or 2 settings, If you have it up kind of high like mowing for regular grass height then there is probably alot of space in the front and you are getting some blow by there
     
  9. John Gamba

    John Gamba LawnSite Fanatic
    from ct
    Posts: 10,812

    Also if you are bagging very low cut dorm-et grass this can happen. Do what GC said and go lower. If you go to low and you are plowing the leaves, Mow over them then bag them.

    John
     
  10. nazzippy

    nazzippy LawnSite Member
    Posts: 4

    Thanks for the info.
    I will try changing the blades.
    It was doing the blowing even with the deck low.
    I've had other vacs, but they didn't cause this problem.

    What about the discharge baffle? Should that be removed?

    Also, what about the piece missing that is to lift the front deck a bit...could that be causing this?

    One final thing I just thought of...the hopper was originally designed for a 6 inch hose. I changed the connecter to an 8 inch hose, but didn't change the internal piece that distributes the leaves over the 3 bags. It is probably impeding the air flow just a bit because that is original. Could that be causing the problem as well?

    Thanks
    John
     

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