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seuadr

520H - P220 to N52M swap?

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seuadr

Hood clearance might be tight..PXL_20210403_174205104.jpg.1ff2c7a11b088095882bb5f03cd42956.jpg

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seuadr

ok. well, now i have the demystification wiring diagram in hand and it is time to go figure out the wires!

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seuadr

Decided to add a pop of color to the air cleaner housing.PXL_20210403_230945303.jpg.29d7e30879887981e95b3872773382d7.jpg

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seuadr

So i installed the foot control kit:

 

PXL_20210404_170606529.jpg.573130bd38e593aecfbeb4e4f621024c.jpg

But it fits! Even lined up with the existing holes!

PXL_20210404_181913595.jpg.7742f87ce240e0293dd7b91d5892bc57.jpg

Muffler clearance is snug

PXL_20210404_213859100.jpg.4386df65dd5671535424452f3f48fcc8.jpg

Tins mostly fitted in place

PXL_20210404_213850850.jpg.ba0c2c940a1bbb5c2908c540950a23d9.jpg

PTO sits at the same spacing/height

PXL_20210404_203132536.jpg.c9e282a7e5d80ca9aa88f5269b66e3b7.jpg

Working out the wiring, routing and hooking up, etc.

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seuadr

All back together, except yhe remote filter mount (probably going somewhere under the frame like on the snow chucker)

PXL_20210410_202149363.jpg.a4a724d71cd456b0c5f31acb50e5a724.jpg

 

Definitely snug!

 

PXL_20210410_204428533.jpg.b6cb59551b424f803c7b3f6f1eec7eea.jpg

PXL_20210410_204434020.jpg.b388e265aae9a3f68701a5ac5a093bfd.jpg

PXL_20210410_204447692.jpg.4a72eccb722820c45208278c647239e1.jpg

PXL_20210410_204610317.jpg.748f7b02aea3a13f507100589a5a80ba.jpg

 

Think I may need to slide the hood forward a half inch or so ultimately.

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seuadr

Finally settled on a location for the remote filter:PXL_20210411_131031590.jpg.a6c54eed4a8ec5462bc83e87109cc543.jpg

 

If i measured correctly i should clear my winter chains by an inch:

 

PXL_20210411_131521923.jpg.e59517887999114642a8e9e1963cabe3.jpg

 

If they don't there is enough room for me to fashion a guard.

 

In fact, i may do that anyhow - i kind of like that idea.

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seuadr

well, i got her to fire over, but there is a safety that is out somewhere, as i am not getting spark unless i run the line directly to the coil (which of course means i can't shut it off!)

the relay with the yellow wire to the coil it seems ok - the coil side is showing 40 ohms, but the relay isn't closing hence no spark.

looking at the 520's schematic it looks like neutral, seat and pto switch are in the circuit for the coil on that relay (brown wire) the neutral switch is closing when it should, i get continuity from it when i click it in place and lose it when i move it back out of place - the seat switch has not been hooked up since long before i got the tractor so i'm guessing that i need to check the PTO switch.

 

the cylinder head temp switch looks like it runs to the idiot lights, but, i don't see it going anywhere else - unless it provides ground for all of the relays? anybody know on that one? i could pretty easily try grounding that line out to the engine and see if that is the problem.

 

 

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Handy Don
1 hour ago, seuadr said:

the cylinder head temp switch looks like it runs to the idiot lights, but, i don't see it going anywhere else - unless it provides ground for all of the relays? anybody know on that one? i could pretty easily try grounding that line out to the engine and see if that is the problem

Yes, indicators only for these.

 

I'd start at the neutral detect switch & wiring (as you did) and then the "start" side of the PTO switch and wiring. Those are there to prevent start of a tractor that is "in gear" or has PTO engaged.

 

 

Edited by Handy Don

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Handy Don
21 hours ago, seuadr said:

 

PXL_20210410_204434020.jpg.b388e265aae9a3f68701a5ac5a093bfd.jpg  PXL_20210410_204447692.jpg.4a72eccb722820c45208278c647239e1.jpg

 

 

 

I agree on the snug fit!

Red on the inner flywheel screen is a cool idea. May copy that next time I open up my P218!

Isn't that the oil dipstick/fill tube hiding under the front-side muffler? Guess you will be waiting for a cool tractor before checking the oil (or wearing welding gloves)!

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seuadr
1 hour ago, Handy Don said:

 

I agree on the snug fit!

Red on the inner flywheel screen is a cool idea. May copy that next time I open up my P218!

Isn't that the oil dipstick/fill tube hiding under the front-side muffler? Guess you will be waiting for a cool tractor before checking the oil (or wearing welding gloves)!

yeah, it is :/  i had to orient it that way as the starter is on the opposite corner. seems kind of odd, but, at least with the pressure cutoff switch i know i won't run it out of oil i guess?

 

on the bright side, the oil safety works the way i'd hoped it would - even with the start/kill circuit bypassed by powering straight to the coil, there was no spark at the points for several turns of the motor.

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seuadr

so my dumbass didn't reconnect the red line from the R/R to the ignition. because of the cobbled wiring, some of the things i expected to have power did, and some didn't - hurray frankenwiring!

 

both that solved, she runs!

 

 

Ran it for 5 mins and changed the oil and filter, next i plan on buttoning it up belts and covers are still off) and then pulling it outside to run for probably an hour or so and then i'll do it again.

 

one of the things i noticed is that the rear muffler is noticeably cooler than the front - that'll be the next thing i need to check in to - i'm not sure if it is an ignition issue (the plugs and wires are new, but the coil is not) so i'll swap wires on the coil and see if the front muffler is now cooler - if not, i guess i need to dig into why it might be running cooler, and/or if that is a problem?

 

 

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