Instruction/ maintenance manual of the product DT54 Toro
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Introduction ______________________________________________________________________ The DT34 and DT54 series full-circle rotary sprinklers are designed specifically for golf course applications.
2 Precipitation Rate Formulas ❚ Square-spaced sprinklers in pattern: GPM of full circle x 96.3 (Spacing) 2 ❚ Triangular-spaced sprinklers in pattern: GPM of full circle x 96.3 (Spacing) 2 (0.866) ❚ Area and flow: Total GPM of zone x 96.3 Total irrigated square feet of zone ❚ Single row: GPM of full circle x 96.
Installation Procedure ___________________________________________________ To 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 .
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.
Nozzle T rajectory 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.
T roubleshooting _________________________________________________________ ■ Pilot V alve 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.
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.
Servicing Procedures ____________________________________________________ The DT series sprinklers are designed to provide the user trouble-free operation for many years without scheduled maintenance.
Servicing Main V alve 1. See WARNING above. To 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 7 . 2. Use valve removal tool P/N 995-08 for DT34 or 995-09 for DT54 to remove valve assembly from base of sprinkler body.
Servicing Pilot V alve Note: Refer to Figure 10 for the following procedure. 1. Make sure that the water supply to sprinkler is positively shut off and any residual pressure has been bled off. If the sprinkler is pressurized, main valve will open when the pilot valve is disconnected from control tube.
Notes: 11.
Notes: © 2007 The Toro Company • Irrigation Division • www.toro.com Form Number 373-0423 Rev. 2.
An important point after buying a device Toro DT54 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Toro DT54 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Toro DT54 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Toro DT54 you will learn all the available features of the product, as well as information on its operation. The information that you get Toro DT54 will certainly help you make a decision on the purchase.
If you already are a holder of Toro DT54, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Toro DT54.
However, one of the most important roles played by the user manual is to help in solving problems with Toro DT54. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Toro DT54 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
