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Toro 855S manual

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Table of contents for the manual

  • Page 1

    Installation Procedure ____________________________________________________________ T o assure maximum performance from your 800S series sprinklers, read these instructions 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 [...]

  • Page 2

    2 Connecting Hydraulic Control T ubing (Hydraulic Models Only) 1. Route control tubing from the controller to the 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. Refer to T able 2 for tubing run length and sprinkler elevation information. 2[...]

  • Page 3

    Arc Adjustment Procedure ________________________________________________________ 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 will rotate in a clockwise directi[...]

  • Page 4

    4 Adjustment Band Angle Indicators 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°. T rajectory Adjustment Procedure ___________________________________________________ The 835S and 855S sprinkle[...]

  • Page 5

    Pilot V alve Operation (Electric Models 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 sprinkl[...]

  • Page 6

    Main V alve PROBLEM POSSIBLE CAUSE – CORRECTIVE ACTION V alve won't close (a) Continuous 24 V AC 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[...]

  • Page 7

    7 Service Procedures ______________________________________________________________ Servicing Sprinkler Mechanism Note: Refer to Figure 13 for the following procedure. 1. Remove the cap screw (1) and cap (2). Note: During reassembly , ensure the cap is correctly installed with the T oro Logo positioned over the main nozzle (10). 2. Insert the hooke[...]

  • Page 8

    Servicing Main V alve 1. See W arning above. T o remove valve assembly , squeeze snap ring ears together with snap ring pliers (P/N 995-100) and remove snap ring from sprinkler body . See Figure 16 . 2. Use valve removal tool P/N 995-08 for 835S or 995-09 for 855S to remove valve assembly from base of sprinkler body . V alve removal tool is inserte[...]

  • Page 9

    Servicing Pilot V alve Note: Refer to Figure 19 for the following procedure. 1. Make sure that the water supply to sprinkler is positively shut off and any residual pressure has been bled of f. If the sprinkler is pressurized, main valve will open when the pilot valve is disconnected from control tube. 2. Carefully remove turf and soil from the sid[...]