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Turn the sprinkler on. Go to the sprinkler and at the center of the pop-up nozzle you should find a screw.If the screw is there, it can be tightened or loosened to adjust the spray distance.
Sounds like "Sure pop" was misleading. Try unscrewing the top or entire sprinkler then the top remove the spray nozzle to access the spring. Stretch it out longer and re-assemble the sprinkler screw it back in place with the spray notches on nozzle facing are you want covered. This should solve the problem if not, replace the pop-up.
Have you fixed this problem? Q? Did you replace an existing pump. And what was the model and did it work. Q? If its the same size as the fp4032, has anything else changed? Is there a filter that needs checking. hydraulically to work it out I need the distance from pump to water, height and size of pipe. Distance you are pumping too, height and size of pipe. And what the "four heads are"? Nozzle size etc. To work out a flow/pressure rate.
Check to see if the small slotted screw is flush with the top of the spray nozzle. If so, it has been manually lowered. Turn the screw counter clockwise until it stops, be sure to hold the nozzle to keep it from turning. If no, unscrew the nozzle and remove debris from around filter. Tell the gardener to just mow the grass and not to touch the sprinkler system he is usually why it was turned down 9 times out of 10. If he says "No touch, No touch. He is lying fire him.
The pump is putting out too much water for the sprinkler.
You can raise the pump shut off pressure at the switch until it is higher than the pressure that the pump runs at with the sprinkler operating. You should have a surge tank connected to the system to give the pump time to balance with the sprinkler.
You can use more water with the sprinkler. This could mean adding another sprinkler or increasing the nozzle size of the existing sprinkler.
There are several ways to adjust water pressure on sprinkler systems. First you have to determine if there is a problem with the sprinkler system itself. Things to look for:
1.) make sure that all valves including the main are all the way open.
2.) Inspect the sprinkler heads for clogging. Sediment and debris can also clog your sprinkler heads. Some debris removal may be required.
3.) You make have too many sprinklers operating by one valve. You may need to divide a zone and add another valve to increase water pressure.
4.) If all else fails. You can install a breather intake cap to allow air into your sprinkler system thus increasing GPM (gallon per minute)flow.
5.) one of the biggest mistakes that peopel make is that they undersize the water pipe size to save money. Typically you want to use 3/4" PVC pipe for your main runs and tee into 1/2" PVC for your sprinkler heads.
Good luck. I hope this helps.
You can not adjust the 'water pressure' the pump delivers but you can regulate the flow by installing a valve on the pump discharge and then partially closing it to reduce flow and increase pressure.
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