dern
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| posted on 24/2/05 at 03:14 PM |
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Welding near an engine
I'm building some engine mounts and I'd like to tack weld the supports to the mount plate which I've bolted to the engine and then
unbolt the plate and weld up the support on the bench.
Is tack welding the metal while bolted to my engine going to cause any damage?
The engine is a 2003 FI yamaha R1 with the loom removed but all the injectors and stuff still attached.
Thanks,
Mark
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liam.mccaffrey
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| posted on 24/2/05 at 03:53 PM |
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it shouldn't be a problem if the bracket plate is PROPERLY grounded and with the loom removed. The injectors are insulted from the engine
aren't they so they should be unaffected? if its only tacking there should be ne localised heatting worries
I would say no probs BUT i am no expert and its just my 2 pence worth.
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JAG
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| posted on 24/2/05 at 04:19 PM |
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I agree with Liam.
Only other issue is keep the ECU (if you have one) away from the weld area and the welder itself.
Large electromagnetic fields will knacker the ECU PDQ 
Justin
Who is this super hero? Sarge? ...No.
Rosemary, the telephone operator? ...No.
Penry, the mild-mannered janitor? ...Could be!
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dern
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| posted on 24/2/05 at 04:50 PM |
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Cheers guys 
Mark
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Danozeman
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| posted on 24/2/05 at 05:43 PM |
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Will be ok. Like said above keep the ecu away from it and watch the splatter near your injector terminals.
Dan
Built the purple peril!! Let the modifications begin!!
http://www.eastangliankitcars.co.uk
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Mark Allanson
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| posted on 24/2/05 at 09:17 PM |
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Your most venerable part is the alternator - disconnect it before welding or use a protector unit across the battery
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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