Saturday, April 17, 2010

Rotary Screw Air Compressor Overhaul !

Ingersoll Rand EP100 air compressor [with 86 kw main motor] overhaul;
Main Motor and Air End;
Penang, Malaysia, on the 15th April 2010




The Air End to be overhaul; awaiting dismantle
Note the check valve [ Non return valve ] with the arrow of flow.









The male rotor DE bearing's outer race.






Both the bearings of the rotors at the front end, where the gear box is.






Male rotor shaft on the left,
Note !
The worn out male rotor drive bearing





The rotors waiting to be push out from their cocoon [Compressor case / Housing ].









The Air End rotors' after the NU type of bearings being remove.












The Air End rotors' after the NU type of bearings being remove.
Both male and female rotors.






The pressure end side, note the tapered bearings.








The Air End cover, the high pressure side.
There is overheating at this end.







Shaft seal to prevent compressor oil [ Coolant ] from leak into the motor windings





The shaft seal is install here. [ inside ]








The dismantling of the Air Compressor main motor.


Non drive end [ NDE ] side of the main motor.
with it's cover on the cement floor.




Showing the stator and rotor shaft with motor shaft bearing.










NDE motor cover






Drive end [ DE ] side of the main motor








The DE bearing cover,








The DE bearing cover, front is the gear box side.










The motor after dismantle, prepare to clean by air jet.
Lot of white from the rubber glove manufacturing facilities.






Prepare the motor coil for varnishing.

















After re-varnishing the Stator Coil.








Air End Failure due to lack of Lubrication.
It is A Quincy 30 hp screw air compressor of the male rotor end bearings.

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