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GMV Trap Repairs

Discussion in 'Shooting Related Threads' started by Joe Woods, Jul 13, 2012.

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  1. Joe Woods

    Joe Woods Well-Known Member

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    GMV SuperStar dropping to many targets, lots of damage.
    Likely inner wheels sticking or o ring problems.
    Reading the manual . Size of rings .75 x 5. .
    Is this .75 Inch x 5 Inch
    Anyone have a suggestion !!

    Looks like I am asking about GMV 30 O rings !!!

    Joe Woods/Ontario
     
  2. cubancigar2000

    cubancigar2000 Well-Known Member

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    Just call Al at Quality ReplACEMENT PARTS. Great guy and real helpfull. I bet it is the brush though. The O rings dont wear out easily & the brush can cause the same thing
     
  3. HSLDS

    HSLDS Well-Known Member

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    Joe,

    Is this a single or doubles machine??

    If doubles there is an arm (1/4" round bar bent in a semi-circular pattern) that protrudes up through the target table - up for singles, but you need to lower it to throw doubles.

    In singles mode this can drift out of position. It needs to be pressed up from underneath the target table and the bolt holding it in place needs to be tightened.

    This is the most common cause of broken targets I know of in the GMV's.

    Other areas to look (for singles and doubles)...

    The elevator - it is a large aluminum frame covered with a soft plastic/rubber compound - this covering wears over time and can crack birds as they are lowered onto the table.

    As already stated - brushes and O-rings also can be the culprit.

    Build up of dirt/debris on the table, etc can leed to cracked birds as well

    You need to see where in the cycle the target is breaking to know where to look... As the target is released from the carousel; as it is lowered; as it is aligned on the table.

    Feel free to PM me - I'll give you a phone number and you can call me from the club if you'd like...

    David D
     
  4. ImpalaBob

    ImpalaBob Member

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    Probably O-rings. I've had the same issue and new O-rings solved it.
     
  5. chipking

    chipking TS Member

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    Make sure the elevator is going up to pick up the bird and lower it onto the plate. There is a tension plunger that pushes against the elevator and can sometimes get above the elevator trapping it in the down position so birds drop to the plate instead of being lowered.

    --- Chip King ---
     
  6. Joe Woods

    Joe Woods Well-Known Member

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    Yes, this is a GMV Superstar machine , throws doubles.
    At first look, the o rings are fine, pulled the carriage.
    One of the flat spring steel plates is very weak.
    I have a replacement.
    Thankyou, Will keep you posted, It isn't fixed yet.

    Joe Woods/Ontario
     
  7. dead on 4

    dead on 4 Well-Known Member

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    Might this have anything to do with White Flyer changing dimensions on certain targets as a posted here on TS.com month or two ago? That's assuming you're using this brand of targets

    Surfer
     
  8. HSLDS

    HSLDS Well-Known Member

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    Joe,

    I looked at our doubles machine yesterday.

    There are two arms coming through the platen. The rounded one is in back and for doubles, there is a smaller one which is 'forward' and moves up and down when you operate the singles/doubles lever on the left side of the machine. This is the one I was referring to.

    If it is in the 'up' (singles) position reach in under the machine and press up on this arm - you most likely will feel it moving up an 1/4 to a 1/2 inch (this is the problem). I played with our machine and it quickly reproduces your problem.
     
  9. acorange

    acorange Well-Known Member

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    Make sure that the poly wheels that hold the o-rings can turn easily.

    Spray with WD-40 or silicone spray.
     
  10. Joe Woods

    Joe Woods Well-Known Member

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    Looks like brush needed to create more resistance on target. Target looked to be to far from target & arm was slapping it.
    Seems to be working fine. Machine needed a cleanup.
    Thankyou

    Joe Woods/Ontario
     
  11. HSLDS

    HSLDS Well-Known Member

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    Joe,

    The factory brushes tend to wear really quickly. There is an aftermarket one (I think it might be from Quality Replacement Parts) that basically last forever...

    Nice job on the repair.
     
  12. broadway

    broadway Member

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    Our ATM started breaking A LOT of targets a number of years ago. It turned out that the wheels would not spin freely. We cleaned them and it worked for a while but then it started breaking targets again. We then modified the wheels - we machined the wheels to accept a sealed bearing. Been working fine for 5 years.

    A. Bassan
     
  13. Old Doc

    Old Doc Member

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    Tension springs on wheels weak. Worse with full stack. Ok with partial stack. D Winter
     
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