atlas copco compresser bogs down motor

by Dan
(Battle Creek ,mi usa)

I have a atlas copco compressor with a le7 pump


I have put a new motor on it but did not fix the problem

it starts and runs up to about 70 pounds in the tank

at that point it start to bog down the motor and kicks the breaker

any help I sure could use I do body repair and now are a week behind

Comments for atlas copco compresser bogs down motor

Click here to add your own comments

Aug 16, 2017
LE7
by: Bubba

Replace the in tank check valve. Problem solved.

May 31, 2017
LE7 bogs down motor
by: Doug in s.d.ca.

Why did you replace the motor?

What is the HP and RPM of the new one?

I presume no changes to the input power arrangement? Is it single or 3 phase?

Checked all that associated wiring?

Direct drive or belt?

What oil is in the pump?

Have you checked the check valve at the tank?

Click here to add your own comments

Add your own question or comment. It's easy to do. How? Simply click here to return to Atlas Copco Compressor Issues.