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835S and 855S Series Rotary Sprinklers
Installation & Service Instructions
Installation Procedure ____________________________________________________________
To assure maximum performance from your 800S series sprinklers, read these instructions
completely prior to installation or service. Figure 1
Constructing Swing Joints
1. Construct or provide triple swing joints for each sprinkler as shown in Figure 1. Use PVC or
ABS pipe nipple for the sprinkler connection.
Note: On sites where the possib
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Connecting Hydraulic Control Tubing (Hydraulic Models Only) 1. Route control tubing from the controller Table 2: Hydraulic Control Systems to the sprinkler location(s). Note: Leave an 18" (45.7 cm) service Maximum Distance loop of tubing at each sprinkler to Type of System* From Controller Elevation Restrictions facilitate movement of sprinkler and Normally Open (01) Valve elevation should not exceed service operations. Refer to Table 2 with 3/16" Control Tubing 500' 25' ABOVE controller eleva
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Arc Adjustment Procedure ________________________________________________________ WARNING DUE TO THE HIGH OPERATING PRESSURE, NEVER STAND OR LEAN DIRECTLY OVER THE TOP OF THE SPRINKLER OR COME IN CONTACT WITH THE SPRAY. FAILURE TO COMPLY MAY RESULT IN SERIOUS INJURY. The 835S and 855S sprinkler models can be operated in full-circle or part circle operation. In part-circle operation, the sprinkler arc can be adjusted from 40°– 330°. When full-circle (360°) operation is selected, the sprinkler wil
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Adjustment Band Angle Indicators Figure 8 90° 180° 270° 360° The adjustment band of the 835S and 855S have markers at predetermined arcs. By aligning the adjustment band indicators to the turret arrow, you can set the sprinkler arc to 90°, 180°, 270° or 360°. Trajectory Adjustment Procedure ___________________________________________________ TM The 835S and 855S sprinkler models are equipped with the Trujectory nozzle spray angle adjustment feature. The trajectory adjusts from the top of the sp
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Pilot Valve Operation (Electric Models Only) __________________________________________ The main function of the pilot valve is to control the operation of the main Figure 12 valve located in the base of the sprinkler body. The main valve is operated by the release of water metered through the pilot valve when it is activated 100 PSI either manually at the sprinkler or by the irrigation system controller. 2 (7.0 kg/cm ) Another important function of the pilot valve is to regulate the water press
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Main Valve PROBLEM POSSIBLE CAUSE – CORRECTIVE ACTION Valve won't close (a) Continuous 24 VAC to sprinkler. (Electric ) – Check controller for voltage source. (b) Leak in pilot valve assembly. – Replace pilot valve assembly. (c) Plugged supply screen on piston. – Clean or replace screen. (d) Manual control selector on pilot valve assembly turned to "ON" position. – Turn to "AUTO" position. (e) Plunger movement restricted. – Inspect and clean or replace. (f) Valve cylinder misaligned with sp
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Service Procedures ______________________________________________________________ WARNING NEVER STAND OR LEAN OVER THE SPRINKLER WHILE THE IRRIGATION SYSTEM IS BEING FILLED, DURING MANUAL OR AUTOMATIC OPERATION OR WHEN PERFORMING SPRINKLER SERVICE PROCEDURES. DIRECT CONTACT WITH IRRIGATION SPRAY, A FAILED OR IMPROPERLY INSTALLED SPRINKLER CONNECTION OR SPRINKLER COMPONENTS FORCIBLY EJECTED UPWARD UNDER PRESSURE CAN CAUSE SERIOUS INJURY. Servicing Sprinkler Mechanism Note: Refer to Figure 13 for
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Servicing Main Valve WARNING IF THE VALVE SNAP RING IS DIFFICULT TO REMOVE, RESIDUAL WATER PRESSURE MAY BE REMAINING IN THE SYSTEM. TO PREVENT POSSIBLE SERIOUS INJURY DUE TO VALVE BEING EJECTED UPWARD UNDER PRESSURE, CONFIRM THE FOLLOWING CONDITIONS EXIST PRIOR TO REMOVING THE SNAP RING AND VALVE. A. WATER SUPPLY TO SPRINKLER IS SHUT OFF AT SOURCE. B. ALL PRESSURE IS BLED FROM SYSTEM, INCLUDING CONTROL TUBES. C. AC POWER IS DISCONNECTED AT SOURCE. 1. See Warning above. To remove valve assemb
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Servicing Pilot Valve WARNING NEVER STAND OR LEAN OVER THE SPRINKLER WHILE THE IRRIGATION SYSTEM IS BEING FILLED, DURING MANUAL OR AUTOMATIC OPERATION OR WHEN PERFORMING SPRINKLER SERVICE PROCEDURES. DIRECT CONTACT WITH IRRIGATION SPRAY, A FAILED OR IMPROPERLY INSTALLED SPRINKLER CONNECTION OR SPRINKLER COMPONENTS FORCIBLY EJECTED UPWARD UNDER PRESSURE CAN CAUSE SERIOUS INJURY. Note: Refer to Figure 19 for the following procedure. Figure 19 1. Make sure that the water supply to sprinkler is posi
