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Ingersoll Rand MH22 Screw Compressor

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 PostPosted: Mon Jul 04, 2022 8:33 am  Reply with quote Report this post 

Joined: Tue Feb 08, 2022 1:32 pm
Posts: 27
Good day, wonder if anyone can assist. I'm currently busy with a screw compressor as mentioned above. I replaced the drive belt as the previous one snapped. The original belt is a 1480PK12 but this is only locally available through the agents who wants to charge way to much for the item. I changed the belt to a 1460PK12 which fits as it's a self tension udjusting unit as far as I can understand. This unit was manufactured in the year 2000 so the control panel has no way of identifying exact error codes. Only a red warning light that can't be canceled and in turn does not allow me to restart the unit without bypassing the control panel and working with the contactors only.

Here is the issue. Upon starting the unit after belt was replaced the unit started to load and then tripped the electrical circuit at the D.B board. I started with a process of elimination and discovered that the oil return pipe that's on top of the oil separator unit is clogged.

1st. Would that clogged pipe cause the unit to build up pressure in the oil separator tank and not opening the discharge valve on top of the tank?

2nd. How does one determine the error as there is no lcd screen like the newer models?

3rd. How do you reset this error so I can start the unit at the control panel when I'm finished cleaning and unclogging everything?

Regards


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 PostPosted: Mon Jul 04, 2022 8:58 am  Reply with quote Report this post 

Joined: Mon Jul 04, 2022 8:57 am
Posts: 2
Hey Francois90. I just googled the model you mentioned (Ingersoll Rand MH22 Screw Compressor), and the looks and characteristics are very similar to the one I owned. I will keep checking. Maybe I will find the exact model and come back with more details about it. My point is that I was struggling with a similar problem. I don’t remember what the original belt model of my Screw Compressor was, but I remember for sure that the one I bought to change it for was a (1460PK12). It fit well, and the tension was good, but it didn’t start. A friend suggested screwing a roller from the belt with tek screws from scrooz.com.au, and the error disappeared.


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