Coleman PowerMate CT4090410 Operator Parts Manual
This unit uses an loader valve to control pressure, it will unload compressor and idle engine back until the pressure falls below 95 psig and the speeds engine up and loads compressor until cutout pressure is reached. I've linked to manual and the unloader is
Coleman PowerMate CT4090410 Operator Parts Manual Page 18
The item number is 9 and part number is 070-0056.. This part is around $100-$110. Ive repaired this type part on air compressors used on mechanics service trucks ., Depending on your skill level and access to tools and parts, it might be better to purchase a new one.g take time ti read to read and understand manual. Good luck
SOURCE: coleman powermate inflationmate pump
The ring is gone on compressor. You can buy replacement pistons and rings from colemen. Comes with instructions.Good luck
SOURCE: coleman compressor no build up of pressure
your correct either the valves are worn or maybe just need cleaning as for the gaskets,idont know what part of the world your in but check out coleman on the internet or failing that ,i have maid these from gasket material suuplied from my local bearing supplier
SOURCE: coleman compressor no build up of pressure
Parts for coleman are available at www.mastertoolrepair.com your compressor is listed as L0502710. If however you like to tinker, you can make a pretty good reed valve out of aluminum can material or other (any ideas?). It is fairly easy to cut, does not last as long as factory stainless steel, but for short term, why not? Good Luck
SOURCE: Need a manual for a Coleman Powermate air compressor Model #VP0200608 Elec.
I'm looking for a owners manual for a colman powermate air compeser modle cl0502710
SOURCE: Coleman Powermate Air Compressor 4hp 11gal.
Make sure you are plugged direct. No extension cords
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