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Old 12-04-2010, 05:25 PM #1
jt372
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dm7 drop off problem

Hey guys I just got a dm7 and it has ridiculous amount of dropoff to the point where it won't shoot. It does it randomly though after about 10-15 shots. The gun worked well the first time I played with it and all I did after was lube the bolt. I don't know what the problem is I tried playing with the lpr but haven't touched the dwell yet. Any info is greatly appreciated, thanks.
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Old 12-04-2010, 08:22 PM #2
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dead battery? my dm7 did this when my battery was low,try a new battery then let us no.
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Old 12-04-2010, 09:46 PM #3
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Quote:
Originally Posted by IDK!!sean!!IDK View Post
dead battery? my dm7 did this when my battery was low,try a new battery then let us no.
I just read that in a forum so im gonna try that tomorrow ill give an update
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Old 12-04-2010, 10:11 PM #4
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battery or dwell would be my guess.
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Old 12-05-2010, 07:26 PM #5
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it was the battery haha thanks guys
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Old 12-05-2010, 07:30 PM #6
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After the battery I would have suggested re-tuning the gun. Set the LPR to 5 turns from flush and make sure the dwell is at 18-21...18 for a more effcient shot and 21 for a smoother shot.
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Old 12-05-2010, 11:40 PM #7
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numerous things to check

- battery, just put a new one in if you have a voltmetre handy make sure you test it just because its straight out of a packet doesnt means its over 9 volts

- check all orings paying special attention to bolt tip, inner can and tophat, sail and the 2 at the back of the bolt. if its having rediculous drop off i recommend just replacing all of them and starting fresh

- make sure you arent using to much lube... switch back to stock lueb if you are using aftermarket stuff

dwell @ 18
lpr 4-5 turns out
hpr to chrony
turn abs on (read manual)

see if any of these help.

also try a different tank as not getting enough pressure from the tank can cause issues

get back to us with results
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