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830S and 850S Series Rotary Sprinklers
Installation & Service Instructions
Introduction ______________________________________________________________________
The 830S and 850S series full-circle rotary sprinklers are designed
specifically for golf course applications.
Manufactured from durable, high-strength engineering plastic and
stainless-steel components, these sprinklers incorporate many innovative
and time-proven features for lasting, maintenance-free operation.
Prior to installing the s
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830S Series Sprinkler Performance Data 26.2 66 31.5 74 34.1 80 36.5 83 850S Series Sprinkler Performance Data 31.8 73 32.7 75 36.1 79 41.6 83 48.1 85 39.5 83 44.2 87 51.6 89 Sprinkler Application Data Nozzle Color Code Sprinkler Spacing Guidelines Precipitation Rate Formulas ❚ Square Spacing ❚ Square-spaced sprinklers in pattern: Nozzle Main Inner Intermediate No wind - 55% of diameter 1 Yellow Yellow Blue 4 mph wind - 50% of diameter GPM of full circle x 96.3 8 mph wind - 45% of diameter 2 (
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Installation Procedure ___________________________________________________ To assure maximum performance from your 800S series sprinklers, read these instructions Figure 1 completely prior to installation or service. 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 possibility of heavy equipment rolling over a sprinkler exists, the swing joint will flex
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System Start Up _________________________________________________________ The following is a recommended procedure that will protect system components during system start-up. The procedure is based on a velocity fill rate of less than 2' (.61 m) per second. See Table 3 below. Table 3: Recommended System Fill Rate Pipe Size Flow Velocity Pipe Size Flow Velocity in. cm GPM LPM ft/sec m/sec in. cm GPM LPM ft/sec m/sec 1/2 1.3 2 7.6 1.60 0.49 3 7.6 45 170.3 1.86 0.57 3/4 1.9 3 11.4 1.92 0.59 4 10.1
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Sprinkler Assembly PROBLEM POSSIBLE CAUSE – CORRECTIVE ACTION SPRINKLER WON'T ROTATE (a) Debris wedged between stator and turbine. – Remove obstruction. (b) Drive assembly defective. – Replace drive assembly. (c) Nozzle base assembly defective. – Replace nozzle base assembly. HEAD STICKS UP (a) Dirt in riser assembly. – Flush out. (See Flushing Procedure on page 11.) (b) Damaged or missing return spring. – Replace. (c) Damaged riser. – Replace. POOR DISTRIBUTION PATTERN (a) Nozzle plugge
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VALVE WON'T OPEN (a) Plugged controller discharge line or discharge port in pilot valve. (Hydraulic) – Verify by checking for discharge at discharge line when station is activated. If no discharge, refer to Controller Service Manual. SPRINKLER WEEPING (a) Damaged or blocked valve seat. (Slow leak in valve) – Remove blockage and, if necessary, replace valve assembly. (b) Damaged piston seal or piston assembly. – Replace valve assembly. (c) Low pressure on supply line . – Check for low pressure
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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 7 for the following procedure. 1. Make sure that the water supply to sprinkler is positively shu
