Toro DT34 user manual

User manual for the device Toro DT34

Device: Toro DT34
Category: Sprinkler
Manufacturer: Toro
Size: 1.55 MB
Added : 2/19/2014
Number of pages: 12
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

DT34 and DT54 Series Rotary Sprinklers
Installation & Service Instructions
Note: For preliminary use only.
Introduction ______________________________________________________________________
The DT34 and DT54 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 opera

Summary of the content on the page No. 2

DT34 Series Sprinkler Performance Data Nozzle Set Nozzle Set Nozzle Set Nozzle Set Nozzle Set Nozzle Set Nozzle Set Base 31 ● (Yellow) 32 ● (Blue) 33 ● (Brown) 34 ● (Orange) 35 ● (Green) 36 ● (Gray) 37 ● (Black) Pressure ★ BLUE ■ YELLOW ★ RED ■ YELLOW ★ RED ■ YELLOW ★ BEIGE ■ YELLOW ★ BIEGE ■ YELLOW ✪ RED ■ YELLOW ✪ GRAY ■ YELLOW psi Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM 50 56 13.2 60 16.6 64 22.3 65 27.4 65 58 15.0 62 20.0 66 25.0 70 30.0 75 35.0 80 61 16.

Summary of the content on the page No. 3

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

Summary of the content on the page No. 4

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

Summary of the content on the page No. 5

Nozzle Trajectory Adjustment Procedure _______________________________________ Note: The nozzle trajectory is factory pre-set at 25 degrees. 1. Insert the multi-purpose tool (P/N 995-83) into the slot provided in the top of the cap. Pull the riser assembly up, then grasp the assembly to hold it in the popped-up position. 2. Remove the cap retaining screw and cap. 3. Using a 5/8" nut driver (P/N 995-99), turn the nozzle/housing assembly left to select 15° trajectory as shown in Figure 4. Turn the

Summary of the content on the page No. 6

Troubleshooting _________________________________________________________ ■ Pilot Valve Possible equipment failures with causes and corrective action are listed below. PROBLEM POSSIBLE CAUSE – CORRECTIVE ACTION SPRINKLER WILL (a) No 24 VAC to coil assembly. (Electric Models) NOT TURN ON – Measure voltage with a Digital Volt Meter (DVM). Check wiring and controller program. – Refer to Controller Operating Instructions. (b) Selector cam in "OFF" position. – Set to "AUTO" position. (c) Debris in

Summary of the content on the page No. 7

VALVE WON'T CLOSE (a) Leak in control tubing. (Hydraulic) – Isolate and repair. (b) Pilot valve leak in controller. – Confirm by observing constant dripping from discharge line of controller. Refer to Controller Service Manual. (c) Valve cylinder misaligned with sprinkler body communication tube. – Remove valve assembly and install correctly. (d) Foreign object keeping valve from seating. – Remove, clean and check valve for damage. Replace if necessary. (e) Damaged piston seal or piston ass

Summary of the content on the page No. 8

Servicing Procedures ____________________________________________________ The DT series sprinklers are designed to provide the user trouble-free operation for many years without scheduled maintenance. If it becomes necessary to disassemble the sprinkler to correct a malfunction or replace a component, all internal parts of the sprinkler can be accessed from the top. Refer to the Troubleshooting Procedure in this manual in the event of a malfunction. Some special tools are required for disassembl

Summary of the content on the page No. 9

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

Summary of the content on the page No. 10

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 10 for the following procedure. 1. Make sure that the water supply to sprinkler Figure 10 is pos

Summary of the content on the page No. 11

Notes: 11

Summary of the content on the page No. 12

Notes: © 2007 The Toro Company • Irrigation Division • www.toro.com Form Number 373-0423 Rev. 2


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