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#31158 - 05/25/21 05:02 AM GMV 3010 EN 1 1/4" valve problem  
Joined: Apr 2020
Posts: 398
Montana Offline
enthusiast
Montana  Offline
enthusiast

Joined: Apr 2020
Posts: 398
Looking for some help on a residential job that I got dispatched to. It's a Residential Elevator Inc. unit. Allen Bradley controller and a GMV power unit. Sent the car up to do a preliminary releif valve pressure test with the M/R valve before going up to the stop ring. I had 250 psi no-load pressure on the way up, closed the valve and the pressure just slowly went down to 200 psi and the car stalled. There is an 1/8" stream of oil shooting out of a short threaded nipple on the bottom side of the valve. Did I lose a cap off of that nipple? I can't seem to find a drawing of the bottom side of the 3010 valve.

#31159 - 05/25/21 05:43 AM Re: GMV 3010 EN 1 1/4" valve problem [Re: Montana]  
Joined: Aug 2019
Posts: 43
BOJAN Offline
newbie
BOJAN  Offline
newbie

Joined: Aug 2019
Posts: 43

#31160 - 05/25/21 01:34 PM Re: GMV 3010 EN 1 1/4" valve problem [Re: Montana]  
Joined: May 2011
Posts: 330
ABE Offline
Mechanic
ABE  Offline
Mechanic

Joined: May 2011
Posts: 330
Im not familiar with the GMV stuff but OLS is the North American distributer and has helped us in the past. https://ols-na.com/

#31165 - 05/25/21 08:51 PM Re: GMV 3010 EN 1 1/4" valve problem [Re: Montana]  
Joined: Apr 2020
Posts: 398
Montana Offline
enthusiast
Montana  Offline
enthusiast

Joined: Apr 2020
Posts: 398
Thank you guys.


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