K Rain sprinkler systems are design to irrigate the lawn automatically withsprinkler headsthat " pop - up " from underground to spray water at a fit metre . These are controlled by a timekeeper box that open and closes a series of valves harmonise to a programmed schedule . item-by-item sprinkler head can be align to spray in an arc between 40 and 360 level and for a specific length . A tool called the K - Key come with the sprinklers and is used to make adjustments , though a small flathead screwdriver can be used , as well .
Adjusting the Spray Direction
Step 1
go around the top of the sprinkler head , called the turret , counterclockwise until it stops to find the right - hand extent of the current spray arc . Rotate it counter - clockwise until it arrest again to find the odd - paw starting position of the spray arc . If it has never been adjusted , it should have a 90 - stage arc that is set at the manufactory .
Step 2
force the K - Key into the keyhole that is just below the circle with the degree marker on top of the gun turret and turn it clockwise a quarter - turn . Lift the gun enclosure straight up out of the sprinkler housing with the K - Key . Grasp the lower part of the riser below the turret and rotate it severally of the turret until the honker arrow point to the remaining - hired hand starting point desired for the sprinkler . This is the pointer located directly above the hooter .
Step 3
Release the riser back down into the lodging and stick in the K - Key into the time slot in the heart of the Mexican valium with the degree markings and rotate it until the arrow points to the hope arc angle that will be the right - hand extent of the sprinkler atomiser .
Adjust the Spray Distance
plow on the sprinkler system manually to activate the sprinkler nous that postulate to be adjusted .
Push the K - Key into the snout retention fuck one-armed bandit that is located inside the pointer directly above the spray snout on top of the gun enclosure .
Turn the screw counterclockwise to increase the spray distance or clockwise to diminish the spray aloofness .

Tip
Program the sprinkler system to water in the former good morning hours to prevent release from evaporation .
Check the filter on the sprinkler system once per calendar month and strip it with a pressurize hose nose if it is dirty . Even small molecule of sand or dirt can impact the performance of the sprinkler organisation .