Manky Monkey Motors

As noted in my main thread I've been having welder problems. the power light is on and so is the fan but no
wire feed or contactor so hear goes with some repairs

First checked the the trigger is actually switching down into the welder,it checked as ok,then put 12 into the motor and it worked ok also
(http://i1056.photobucket.com/albums/t373/Eddie096/A487C7CE-C7D7-42D3-B3D1-9450F0064B31-12443-00001703CCBAAE1E_zps39bd8d0c.jpg) (http://s1056.photobucket.com/user/Eddie096/media/A487C7CE-C7D7-42D3-B3D1-9450F0064B31-12443-00001703CCBAAE1E_zps39bd8d0c.jpg.html)

please be careful and do not leave any piece of equipment pluged in when inspecting it even if the mains switch is off

pulled the control board and checked the mains transformer.primary no reading, secondary ok so that explains it a shot transformer.there should be a continunity reading on connections to the primary winding  and and the connection to the secondary winding but not between the 2,hope that makes sense
(http://i1056.photobucket.com/albums/t373/Eddie096/40567BF2-4C45-4C33-A977-006A4812CAC1-12443-00001703D5258790_zps4394a19b.jpg) (http://s1056.photobucket.com/user/Eddie096/media/40567BF2-4C45-4C33-A977-006A4812CAC1-12443-00001703D5258790_zps4394a19b.jpg.html)
(http://i1056.photobucket.com/albums/t373/Eddie096/0DDF8C90-CB6A-4028-89CC-1C90E8B8F3AC-12443-00001703DD3BE500_zpsb0d81f92.jpg) (http://s1056.photobucket.com/user/Eddie096/media/0DDF8C90-CB6A-4028-89CC-1C90E8B8F3AC-12443-00001703DD3BE500_zpsb0d81f92.jpg.html)

so what to do, well i could wait ot monday and try and get the right part but that would mean a weekend wasted so...lets see what i've got lying around that might offer it's self for parts  ;)

an old battery charger offer up it's mains transformer but it's quite a bit bigger that whats there
(http://i1056.photobucket.com/albums/t373/Eddie096/2C22130F-5BCD-4520-B7E7-4C87D56E61C0-12443-00001703E4D3888D_zps1c3dcab2.jpg) (http://s1056.photobucket.com/user/Eddie096/media/2C22130F-5BCD-4520-B7E7-4C87D56E61C0-12443-00001703E4D3888D_zps1c3dcab2.jpg.html)
removing the old t/former
(http://i1056.photobucket.com/albums/t373/Eddie096/5D477DE1-9FCB-4282-998E-7FADD4E52911-12443-00001703EECE69A0_zps32dd7ee9.jpg) (http://s1056.photobucket.com/user/Eddie096/media/5D477DE1-9FCB-4282-998E-7FADD4E52911-12443-00001703EECE69A0_zps32dd7ee9.jpg.html)

yep it's shot alright ;D
(http://i1056.photobucket.com/albums/t373/Eddie096/A7C5F5C3-21EC-4C4F-98AC-F08FE68B20B3-12443-000017041317076A_zps908eb549.jpg) (http://s1056.photobucket.com/user/Eddie096/media/A7C5F5C3-21EC-4C4F-98AC-F08FE68B20B3-12443-000017041317076A_zps908eb549.jpg.html)

bracket to hold the new larger transformer
(http://i1056.photobucket.com/albums/t373/Eddie096/FE19A395-17A6-49A6-A504-9EA1CA688DBA-12443-00001703F79B40FB_zps9a78210b.jpg) (http://s1056.photobucket.com/user/Eddie096/media/FE19A395-17A6-49A6-A504-9EA1CA688DBA-12443-00001703F79B40FB_zps9a78210b.jpg.html)
(http://i1056.photobucket.com/albums/t373/Eddie096/28C926E7-8447-4D3D-B28C-2C39D7BC4B7A-12443-00001704092A0064_zps1ca7f26b.jpg) (http://s1056.photobucket.com/user/Eddie096/media/28C926E7-8447-4D3D-B28C-2C39D7BC4B7A-12443-00001704092A0064_zps1ca7f26b.jpg.html)

and fitted
(http://i1056.photobucket.com/albums/t373/Eddie096/CF96A4D0-361B-49C6-AF28-167FBD7B1918-12443-000017041A35B734_zps546b8f61.jpg) (http://s1056.photobucket.com/user/Eddie096/media/CF96A4D0-361B-49C6-AF28-167FBD7B1918-12443-000017041A35B734_zps546b8f61.jpg.html)

job's a goodun at least 'till i get the correct part ordered up but it will keep me going over the weekend

Wish I was clever enough to know where to start with jobs like that.

half of it is having the right tools MM,in this case a multimeter then it's just a process of elimination

Yeah, I wouldn't know how to use the meter!

i'd have thrown it away an bought a new one!!!!(the welder!!!)

I did think about that,it would have been a good excuse to tell mrs Scanner the reason i bought a bigger welder was because the old one died  ;D ;D

i'd have done what he done. 15 years as a sparks in mainteneance and repairs has me in on the "dark arts"
good job scanna. another life saved and money saved!

thanks Chewie