Ingersol Rand 1930's air compressor. GE RI motor guidance needed.

KWhit60 · Sep 22, 2017

Ingersol Rand Type 30 1930ish 2HP
GE Repulsion Induction Motor 5SCR225/ set for 60 cycle, 220
Problem: kicks breaker after a few seconds at start up. Sparks pretty good around brushes. Brushes gummed up, will clean with solvent. Could use any useful information about cleaning.

stephen thomas · Sep 23, 2017

You'd be better off posting in electric forum, or even in General if you want everyone's opinions

I'll leave it alone since it does not seem to be spam. But it might be in your own interest to move it.

smt

Rivett · Mar 20, 2018

Introduced in 1929 and still in production: that's quite impressive.

"Maintenance Hints" published by Westinghouse is a good motor care guide. "Audel's Electric Motor Guide" is another good old publication.

DDoug · Mar 20, 2018

KWhit60 said:
Sparks pretty good around brushes. Brushes gummed up, will clean with solvent.

Brushes gummed up...you need to remove them, clean the slots where they slide,
and make sure the springs acutally move them up/down in the slot.

The commutator will be "gummed up" as well. Clean it, and check for wear (gouges
and scoring marks where the brushes ride) even if the comm does not need machined,
undercut the mica with an old hacksaw blade (grind the set off the sides)
to at least clean the junk from in between the copper segments.

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Ingersol Rand 1930's air compressor. GE RI motor guidance needed.

KWhit60

Plastic

stephen thomas

Diamond

Rivett

Aluminum

DDoug

Diamond

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