Pete, Your suggestion worked great. The sprinkler head working is great .. i.e. popping out and retracting perfectly. There was some sand and now that its clean its working fine. Sprinklerguy... Thanks for your suggestion... but my other sprinklers close to the one with problems, are working. Thanks to both of you for your suggestions. Arvin
Thanks for the instructions. I will try the process out tomorrow and hope it fixes everything. Thanks a lot. Arvin
Hi, I have searched the forums on this issues but there is no clear answer. The Hunter I-20 head doesn't popup on one of my sprinklers. It rotates and works if I pull it up manually. Its about 6 years old. I tried reading about it on Hunters manuals but I didn't see what might be the problem. First I thought it might be the spring but then I read that the spring is for return not popup..( correct me if I am wrong )... At this time I am not sure what might be the problem. Any ideas what may be wr...