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marknett

marknett

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ok, I bought a new porter cable 7424xp . I was doing some test spots on my Harley bags that had some bad swirls. I bought it here as a kit. It came with pads and wolfgang 3.0 swirl remover and glaze. My question is I have to lift the weight of the da off the surface to get the pad to rotate. Is my pad not loaded enough or did I not install something right?
 
marknett said:
ok, I bought a new porter cable 7424xp . I was doing some test spots on my Harley bags that had some bad swirls. I bought it here as a kit. It came with pads and wolfgang 3.0 swirl remover and glaze. My question is I have to lift the weight of the da off the surface to get the pad to rotate. Is my pad not loaded enough or did I not install something right?
Click to expand...
What speed is the machine dial in at?
 
I started at 2 with the swirl remover , then brought it up to 4. Also , I'm using an orange pad
 
Should be spinning at 4.keep it flat and mark the backing plate with a sharpie,this by Mike Phillips will indicate spin rather the vibrate.
 
Doing Harley bags are awkward.keep the machine flat at all times with a little pressure.Dont push downward with so much force,as this will also cause the pad not to spin.
 
I put a small piece of green tape on backing tape so I could verify it was spinning. On a flat surface on #4 setting it will spin with the weight of the Da polisher . Any pressure at all it will stop. Is that normal?
 
If your pad is not rotating and only vibrating you may be putting too much downward pressure on the polisher. Should be applying about 12-15 pounds of downward pressure.
 
On the #1 or #2 setting, I have to lift the weight of the polisher to get it to rotate
 
1 or 2 is spreading the product,the machine won't spin or rotate at such a low speed.The machine needs to be dialed in at a minimum of 4 for swirl removal.
 
Frank70 said:
If your pad is not rotating and only vibrating you may be putting too much downward pressure on the polisher. Should be applying about 12-15 pounds of downward pressure.
Click to expand...

5 to 10 max.12 to 15 is way to much.
 
lol, I guess I'm old school. Grinding and sanding takes a little force. Maybe I just don't realize how much I'm pressing
 
It's normal for that to happen.let the machine and product work for you.Hope they come out awesome looking.
 
Thanks for the help guys. I do appreciate it. I thought maybe the polisher was bad.
 
What size pads are you using? With all the curves on a motorcycle using a 3" backing plate and 3-4" pads may help.
 
Make sure you have the washer installed on the backing plate. It will not work correctly with out it.
 
I did not install the washer. I'll put that in and see if it helps. I thought it was for clearance.
 
Get 5" pads and use speed 6 on the machine, don't let it scare you. You're working on curved surfaces which is the most difficult way to use a free spinning DA. If you can, try doing the hood on your car. Play with angles in the way you hold the machine and see how it affects the spinning of the pad. Once you get a feel for how it works on a flat surface you will be better able to tackle the curvature of the side saddles on your bike. Also, if you're using the side handle the goes on the machine, ditch it and put your hand right on the head of the polisher.
 
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