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Toro 730 manual

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Table of contents for the manual

  • Page 1

    Introduction __________________________________ The 730 Series Full Circle Rotary Sprinklers are designed for irrigation of large turf areas such as golf courses, parks, recreational fields and school grounds. Manufactured from durable, high strength engineering plastic and stainless steel components, these sprinklers incorporate many innovative an[...]

  • Page 2

    Installation Procedure _____________________ CAUTION Golf sprinklers are intended for installation at grade with full support of the body and piping system from the surrounding earth. Failure to provide full support may result in premature failure of the body and/or connecting fittings. To assure maximum performance from your 734 Series Rotary Spri[...]

  • Page 3

    Connecting Hydraulic Control T ubing 1. Route control tubing from controller to sprinkler location(s). NOTE: ❚ Leave an 18" (45.7 cm) service loop of tubing at each sprinkler to facilitate movement of sprinkler and service operations. ❚ Tubing runs in excess of 1,000' (304.8 m) are not advisable due to delayed response time. ❚ The v[...]

  • Page 4

    Pilot V alve Operation (Model 734-X6-XXX Only) The main function of the pilot valve is to control the operation of the main 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 either manually at the sprinkler or by the irrigation system controller. [...]

  • Page 5

    System T roubleshooting — Sprinklers (continued) PROBLEM POSSIBLE CAUSE – CORRECTIVE ACTION 5. Valve won't open (a) Plugged controller discharge line or discharge port in pilot valve. (Hyd. Normally Open – Verify by checking for discharge at discharge line when station is activated. If no discharge, 734-X1-XX) refer to Controller Service[...]

  • Page 6

    Servicing Procedures Introduction The 734 sprinkler is designed to provide the user trouble-free operation for many years without scheduled maintenance. Should it become necessary to disassemble the sprinkler to correct a malfunction or replace a component, all internal parts of the sprinkler are accessible from the top. Refer to the Troubleshootin[...]

  • Page 7

    V alve Removal and Replacement 1. To remove valve assembly, squeeze ears of snap ring together with snap ring pliers (P/N 995-07) and remove snap ring from sprinkler body. (See Figure 3 .) CAUTION If snap ring is difficult to remove, there may be residual water pressure in the system. Recheck the water supply to ensure it is turned off and all pres[...]

  • Page 8

    Flushing Sprinkler Heads 1. With sprinkler operating, carefully step down on center of cap several times. Water will flow around riser and flush out debris. 2. Cycle sprinkler on and off several times to check for proper retraction. Cap should be even with top of body flange when full y retracted. If riser sticks in up position, check for debris lo[...]