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Author Topic: CA MP5 SD5 trouble  (Read 979 times)

Offline Hurts_so_good

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CA MP5 SD5 trouble
« on: May 30, 2006, 01:41:37 PM »
i should of really put this in the troubleshooting section. But here i go

i have a CA MP5 SD5 and its been blowing out fuses since it was brand new

does anyone have any idea what the problem COULD be?

or what i should look for in the gun to help me determine whats going on?

thanks in advance
« Last Edit: December 31, 1969, 05:00:00 PM by Hurts_so_good »
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Offline Ganef

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« Reply #1 on: May 30, 2006, 01:48:35 PM »
Chase the wires and find the short. If no visible short can be found then you may need to replace the motor. Also check the trigger contact points to see if excessive carbon scoring or improper buildup is preasent.
« Last Edit: December 31, 1969, 05:00:00 PM by Ganef »
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Offline Hurts_so_good

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« Reply #2 on: May 30, 2006, 01:50:30 PM »
ok Ganef if i knew exactely what all that meant then i wouldn't need help

but really the only place you lost me at was the excessive carbon scoring part

what does that exactely mean
« Last Edit: December 31, 1969, 05:00:00 PM by Hurts_so_good »
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Offline Twitchy Konigkeit

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« Reply #3 on: May 30, 2006, 01:56:29 PM »
well your gears could also be missing the teeth or the ratio is off.  because if they don't move or try to hard to pull the piston then you'll blow a fues i had that problem when i was rebuilding my MP5A4, which is now an SD5, i had TM M16 A1 gears in it with TM MP5A4 gears, which doesn't always matter but it would blow a fuse casue the gears would try to turn but couldn't, also you might have the motor or the wires backwards, happend to an idiot i know name Josh Grant! about the copper scoring and all, i couldn't help explain it but i could show you...so sorry no help here on the forums!
« Last Edit: December 31, 1969, 05:00:00 PM by Twitchy Konigkeit »
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Offline Hurts_so_good

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« Reply #4 on: May 30, 2006, 02:04:25 PM »
ok i'll probally end up taking it into jungle toy
« Last Edit: December 31, 1969, 05:00:00 PM by Hurts_so_good »
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Offline Ganef

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« Reply #5 on: May 30, 2006, 02:04:36 PM »
Chasing wires means to follow all the wires coming from the battery to the motor checking to see if at any point there is a break in the insulation (plastic/rubber coating) surrounding the wire.

When looking at the contact points, see if there is any black dirty residue on the metal.
http://www.airsoftarmoury.co.uk/images/ ... IREMP5.jpg

But if there is no obvious place where the wire is frayed or split then the short is in the motor and that needs to be replaced.
« Last Edit: December 31, 1969, 05:00:00 PM by Ganef »
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Offline Ganef

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« Reply #6 on: May 30, 2006, 02:05:53 PM »
Either way you will have to take your gun apart to find out what is wrong, if that is too much for you then take it to JT and let a professional take a look at it.
« Last Edit: December 31, 1969, 05:00:00 PM by Ganef »
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Offline Hurts_so_good

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« Reply #7 on: May 30, 2006, 04:07:26 PM »
well i could tear it apart

but i woudn't know exactely what to look for

so yea i'm gonna take to JT
« Last Edit: December 31, 1969, 05:00:00 PM by Hurts_so_good »
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