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Old 07-23-2014, 05:38 PM   #11 (permalink)
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Originally Posted by Donut SD View Post
Is the pump arm bent a bit? That's a very specific tolerance issue that I've run into in the past.
not sure i can check it, i am assuming it should be straight.
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Old 07-23-2014, 08:17 PM   #12 (permalink)
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I think i figured it out, i have about a 1/32" gap between the main body and the valve body? Is this normal. When i push it forward and hold it forward and pump the marker it seems very easy to pump, when i let go and pump it again its hard to pump.
Nope. Shouldn't be a gap there. When you go to tighten the screws hold it so there is no gap and tighten them down.
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Old 07-23-2014, 08:20 PM   #13 (permalink)
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Nope. Shouldn't be a gap there. When you go to tighten the screws hold it so there is no gap and tighten them down.
yea doesn't matter it still moves after the first pump. pump arm is straight.
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Old 07-23-2014, 10:23 PM   #14 (permalink)
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The gap in mine are ranging from 0.013-0.018in. They all work fine. Now the fun part for you is to figure out which part is causing the problem, valve body, frame, or body? If the gap isn't the problem I would follow Slim's recommendations. Is the pump stroke smooth? Do you feel any grinding? Phantom pump strokes aren't exactly light but they are very smooth. If you feel grinding or have to force it I would think something internal (hammer, sear, power tube, TPC, bolt, or cocking rod, all should be inspected) is causing the trouble. If your measurement on the gap is correct, that's a big gap.
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Old 07-23-2014, 10:36 PM   #15 (permalink)
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I am thin either the frame or the valve body. I can slide the pump back without any hang ups and feels pretty smooth, it just wont catch the hammer unless i slam it back, like i said above i can put the tank on the rear and hold it closed with my shoulder and it works fine, no hard pumping.as soon as i take the tank off my shoulder it becomes hard for it to catch and have to slam it back.
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Old 07-23-2014, 10:41 PM   #16 (permalink)
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I had this problem with a used phantom, it just turned the pump arm out 2 turns from the handle and it went away, seems it was screwed in to far and came up a little short.
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Old 07-23-2014, 10:58 PM   #17 (permalink)
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I had this problem with a used phantom, it just turned the pump arm out 2 turns from the handle and it went away, seems it was screwed in to far and came up a little short.
I tried that and didnt help. I'll check it out again though.
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Old 07-24-2014, 10:23 AM   #18 (permalink)
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Originally Posted by paintman161 View Post
I am thin either the frame or the valve body. I can slide the pump back without any hang ups and feels pretty smooth, it just wont catch the hammer unless i slam it back,.

The only other thing I can think of is possibly a worn sear or bolt. My main suspect is that gap. I'm going to try to make some measurements for you today, hope it helps narrow it down. You may want to consider calling Mike at CCI. The good news is Phantom parts don't break the bank, and you very rarely have to by them.
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Old 07-24-2014, 10:43 AM   #19 (permalink)
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I wasn't sure which valve body you have. Hope this is helpful.

Back Bottle Valve: back bottom to inside of nutsert 0.96in

Side taped valve (type on VSC): 0.892" back to inside edge of nutsert

Dropout: 0.309" from inside leading edge of dropout to inside edge of nutsert

Frame: leading edge of front screw hole to front of frame about 0.294"
Rearmost edge of back frame screw hole to rear of frame about 0.25"

Last edited by 1shot; 07-24-2014 at 01:46 PM. Reason: put in the wrong numbers, correcting
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Old 07-24-2014, 11:06 AM   #20 (permalink)
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I had this problem with a used phantom, it just turned the pump arm out 2 turns from the handle and it went away, seems it was screwed in to far and came up a little short.
What snaparen said is where I was leaning too. I would just unscrew the pump arm as much as you can so you're able to rule that out, then you can screw it back in until it errors again. The previous owner may have also cut the threads down on the pump arm, so you may not get the 6-8 exposed threads that I remember being recommended.
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