Question about Ingersoll Rand - Rand Type - 30 Reciprocating Air Compressor - 7.5 Hp, 230 Volt 3 Phase, Model - 2475N7.5
Posted by Anonymous on
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Posted on Jan 02, 2017
Recheck the way you have the motor leads hooked up, make sure they are correct. You did re connect the motor leads didnt you? You are not trying to run it on 230v single phase are you? Assuming it is a dual voltage motor, the leads will have to be re connected from hi voltage to lo voltage. Also when you cut the operating voltage in half the operating current(amps ) will double, all this info should be on the motor name plate. This motor does not use a capicitor to start it
Posted on Mar 17, 2010
Ingersoll Rand likes you to buy their all season select oil for their air compressors, most piston air compressors use an R+O 100 oil it is equivalent to n SAE 30 wt oil.
Posted on May 12, 2010
A VSD 10 fault is bus oscillation. Quickly rising and falling voltage. Recommend having power company check incoming voltage for oscillation.Voltage can not vary more than 3 percent or alarm is issued.
Posted on May 28, 2011
Heat in that location noted is to be expected, but to the degree that it is should be of some concern.
When was the oil changed in the compressor last?
If you are running with a multiviscosity oil, use it only if the manual indicates it. Running straight weight oils, especially in extreme conditions is prudent insurance against failure. If you are running 10W20 for example- run 20 weight instead until regular air temps are below freezing- then the switching to 10 weightshould be a consideration..
The oil sump serves 2 purposes- 1- Coolant. 2-lubrication.
However I think the bearings in in the compressor are needing attention.
More because it sounds like there is an oiling problem in the compressor itself. At an absolute minimum it sounds like the head should be pulled to inspect for galling in the cylinder walls and to look for trace oil on the cylinder wall.
Posted on Feb 14, 2012
The capacity of your compressor is 7.46 if the motor drive is 2 hp. 9.79 if the motor drive is 3 hp.
Hope i can help you.
Posted on Sep 19, 2012
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