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gearbox problem?


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11 replies to this topic

#1
tactical_master

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I own a kalash aks74u.
it,s been fine for a few months until i fired it heavily for a few minutes and now when i pull the trigger nothing happens?
the fuse is fine and when i try bypassing it it still doesn't work.
the motor works fine and the battery is charged? :huh:
i dont know what the problem is??????

i would be grateful for any help

#2
Rock-climby-Dave

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the gearbox is locked up by the sounds of things, youtube for crazyNCman's gearbox lockup guide - one of the 2/3 most recent ones by him.

Send the doctors home, I'll be doing the operating around here.

 

Resident Patrol Base Techy, any questions about PB, message me and I'll do my best to answer.


#3
JerseyRider

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Batt connected? :P

#4
kejot

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can you hear anything when trigger pulled??? if makes noise - gearbox, if silent broken/loose wiring

#5
tactical_master

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can you hear anything when trigger pulled??? if makes noise - gearbox, if silent broken/loose wiring

no i cant hear anything at all when i pull the trigger?
the batterry is definately connected.

thanks for all the replies B)

#6
johnnyj

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first areas i would look at are , battery fully charged does happen - battery connections / tams can sometimes pull apart inside the block- motor connections

#7
JerseyRider

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Loose connection some where then

#8
tactical_master

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Loose connection some where then

where are loose connections common because there are no visible loose connections?

thanks

#9
Devastator

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battery connections / tams can sometimes pull apart inside the block- motor connections


As above, that isn't always obvious. Other than that you need to get the box out and check connections, although assume you may have done this when you tested the motor?

#10
tactical_master

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As above, that isn't always obvious. Other than that you need to get the box out and check connections, although assume you may have done this when you tested the motor?

the motor is hooked up correctly and where the cables meet up next the trigger (in picture) looks fine aswell.
i uploaded an image of my gearbox wiring. any comments would be gratefully accepted
Attached File  DSC00002.JPG   453.98KB   11 downloads

#11
kejot

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if you connect it all up as it is, including the motor, does the motor spin??? would be first thing to try, have you got/or borrow a multimeter by chance, will save time and effort if you have

#12
tactical_master

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if you connect it all up as it is, including the motor, does the motor spin??? would be first thing to try, have you got/or borrow a multimeter by chance, will save time and effort if you have

The motor doesnt spin,(no sounds either),
but i know the motor works as i have tested in a different gearbox with the same battery.
Unfortunately i dont have access to a multimeter.
thanks for the reply




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