6 - Maintenance86Cone check/renewal for pressure regulation valveIf it becomes difficult to build up sufficient pressure or if pressurefluctuations occur, it may be necessary to renew cone and cylinder.1. Remove 4 x screws (A) and remove the housing.2. Remove 4 x screws (B).3. Replace cylinder (C) and O-ring (D).4. Loosen the nut (E), remove and replace the cone (F).5. Reassemble in reverse order.Cone check/renewal for EVC distribution valvePeriodically check the distribution valves for proper sealing. Do this byrunning the sprayer with clean water and open all distribution valves.Cautiously remove the clip (A) and pull out the hose (B) for the returnline. When the housing is drained, there should be no liquid flowthrough the return line.If there is any leakage, the valve cone (E) must be changed.1. Remove the clip (C)2. Lift the motor housing off the valve housing.3. Unscrew the screw (D) and replace the valve cone (E).4. Reassemble in reverse order.Level Indicator AdjustmentThe level indicator reading should be checked regularly. When the tankis empty, the float should lie on the stop pin (D) of the rod, and the O-ring on the indicator should be positioned at the top position line (A).If any deviation is found, do the following:1. Pull out the plug (B).2. Loosen screws (C).3. Adjust the length of the cord, until it reads correctly.4. Push the plug (B) back into place.÷ NOTE! To obtain the best accuracy, the adjustment shall be donewith the sprayer attached to the tractor normally used.
