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The last 3 posts

Monday, August 6th 2012, 9:13am

by GatorGuy

K-Rain is probably the biggest manufacturer of index valves. Went to their troubleshooting site.
Per K-RAIN:
1.) Make sure there is no debris inside the cam. Clean and carefully reinstall the cam.
2.) If fewer than the
maximum number of outlets are being used, check the installation of the
cam. Ensure that the stem and disk assembly is not being held down by an
improperly installed cam.


3.) Remove the valve top
and check for proper movement of the stem and disk assembly. Check for
and remove any debris or foreign objects that may jam or retard the
movement of the disk.


4.) Check for freedom of
movement of stem and disk assembly up and down over the center pin in
bottom of valve. Scale deposits may build up on the pin and hold stem
and disk assembly down. Clean pin and again check for freedom of
movement.


5.) Be sure that all
operating outlets are not capped and that the flow to operating zones is
not restricted in any manner. This would cause pressure to build up in
the valve and lock the stem and disk assembly in the down position.


6.) The backflow of water
from uphill lines may be preventing the valve from cycling properly.
This can happen when the valve is placed too far below an elevated
irrigation line. If the valve cannot be placed close to the high point
of the system, a check valve should be installed near the valve in the
outlet line that runs uphill from the valve.

Sunday, August 5th 2012, 5:56pm

by Wet_Boots

Change the delay to a minute or three

Sunday, August 5th 2012, 11:02am

by lalloo

Programming Hunter XC 4 stn with a rotary valve- How to do it?

I have a irrigation system that has 4 stations and was using a controller that was managing a rotry 4 stn valve. The original controller rusted out and i boughta Hunter XC 4 station and hooked it up. I basically used a single valve and programmed it 4 times in pgm A and essentially connected the same valve to four stations. I had a delay of 30 seconds between each stn. This has been working well for 4 years and all of a sudden it has stopped changing stations. Any help :) :!: