Hunter SRM Gear Drive Instruction Manual

June 15, 2024
Hunter

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Hunter SRM Gear Drive

Hunter-SRM-Gear-Drive-product

Product Information

Specifications

  • Product Name: SRM
  • Type: Short-range rotor
  • Benefits: Economical, convenient, and efficient alternative to spray heads

User-Installed Options

The SRM offers the following user-installed options:

  • Drain Check Valve (up to 2.1 m of elevation) – P/N: 462078SP

SRM Nozzle Performance Data

The SRM nozzle performance data is presented in the table below:

Nozzle| Pressure (bar)| Pressure (kPa)| Radius (m)| Flow| Precipitation (mm/hr)
---|---|---|---|---|---
Dk. Green| 1.7| 170| 4.3| 0.13| 14

Notes :

All precipitation rates are calculated for 180-degree operation. For the precipitation rate for a 360-degree sprinkler, divide by 2.

Product Usage Instructions

Installation

To install the SRM, follow these steps:

  1. Select a suitable location for the SRM.
  2. Ensure the water supply is turned off.
  3. Dig a hole in the ground that is large enough to accommodate the SRM.
  4. Place the SRM in the hole, ensuring it is level.
  5. Connect the water supply pipe to the SRM.
  6. Turn on the water supply and check for any leaks.
  7. Adjust the rotation and spray range as needed.

Adjustment

To adjust the rotation and spray range of the SRM, follow these steps:

  1. Locate the adjustment screw on the top of the SRM.
  2. Using a screwdriver, turn the adjustment screw clockwise to decrease the spray range or counterclockwise to increase the spray range.
  3. Observe the changes in the spray pattern and adjust as needed.

Maintenance

To ensure proper functioning of the SRM, regular maintenance is recommended:

  1. Inspect the SRM for any damage or clogs.
  2. Clean any debris or dirt that may have accumulated on the nozzle or rotor.
  3. Check for any leaks or water pressure issues.
  4. Replace any worn-out or damaged parts as needed.

Frequently Asked Questions (FAQ)

  • Q: Can I install multiple SRMs in my irrigation system?
  • A: Yes, you can install multiple SRMs in your irrigation system. Simply follow the installation instructions for each SRM and ensure proper spacing between them for optimal coverage.
  • Q: Can I use the SRM with a water source that has low pressure?
  • A: The SRM is designed to work with a wide range of water pressures. However, it is recommended to check the product specifications to ensure compatibility with your specific water pressure conditions.
  • Q: How do I determine the precipitation rate for a 360-degree operation?
  • A: To determine the precipitation rate for a 360-degree operation, divide the given precipitation rate by 2.

SRM
The SRM is an economical short-range rotor that offers a convenient and efficient alternative to spray heads.

KEY BENEFITS

  • Adjustable arc from 40° to 360° to keep water in the appropriate areas
  • Standard factory-installed 2.0 nozzle speeds installation
  • Through-the-top arc adjustment for easy installation
  • QuickCheck™ arc mechanism for fast Arc Adjustment

Operating Specifications

  • Nozzle choices: 8
  • Radius: 4.0 to 10.7 m
  • Flow: 0.08 to 1.0 m3/hr; 1.4 to 16.7 l/min
  • Recommended pressure range: 1.4 to 7.0 bar; 140 to 700 kPa
  • Operating pressure range: 1.4 to 7.0 bar; 140 to 700 kPa
  • Precipitation rate: 11 mm/hr approximately
  • Nozzle trajectory: 14° approximately
  • Warranty period: 1 year

User-Installed Options
Drain Check Valve (up to 2.1 m of elevation) P/N: 462078SP

SRM Nozzle Performance Data

Nozzle Pressure Radius Flow Precip mm/hr
bar kPa m m³/hr l/min

.50 •

Dk. Green

| 1.7| 170| 4.3| 0.08| 1.4| 9| 11
2| 200| 4.3| 0.09| 1.6| 10| 12
2.5| 250| 4.6| 0.11| 1.8| 10| 12
3| 300| 4.6| 0.12| 2| 12| 13
3.5| 350| 4.9| 0.13| 2.2| 11| 13
3.8| 380| 4.9| 0.14| 2.3| 12| 14

.75 •

Dk. Green

| 1.7| 170| 4.3| 0.13| 2.2| 14| 17
---|---|---|---|---|---|---|---
2| 200| 4.6| 0.14| 2.4| 14| 16
2.5| 250| 4.9| 0.16| 2.7| 13| 15
3| 300| 5.2| 0.18| 3| 13| 15
3.5| 350| 5.2| 0.19| 3.2| 14| 17
3.8| 380| 5.5| 0.2| 3.4| 13| 15

1.0 •

Dk. Green

| 1.7| 170| 5.2| 0.18| 3| 13| 15
2| 200| 5.5| 0.19| 3.2| 13| 15
2.5| 250| 5.5| 0.21| 3.5| 14| 16
3| 300| 5.8| 0.23| 3.8| 14| 16
3.5| 350| 5.8| 0.24| 4.1| 15| 17
3.8| 380| 6.1| 0.25| 4.2| 14| 16

1.5 •

Dk. Green

| 1.7| 170| 6.1| 0.27| 4.5| 15| 17
2| 200| 6.4| 0.29| 4.8| 14| 16
2.5| 250| 6.4| 0.32| 5.4| 16| 18
3| 300| 6.7| 0.36| 6| 16| 18
3.5| 350| 6.7| 0.39| 6.4| 17| 20
3.8| 380| 7| 0.4| 6.7| 16| 19

2.0 •

Dk. Green

| 1.7| 170| 7| 0.34| 5.6| 14| 16
2| 200| 7.3| 0.37| 6.2| 14| 16
2.5| 250| 7.3| 0.42| 7.1| 16| 18
3| 300| 7.6| 0.48| 8| 17| 19
3.5| 350| 7.6| 0.53| 8.8| 18| 21
3.8| 380| 7.9| 0.56| 9.3| 18| 20

2.5 •

Dk. Green

| 1.7| 170| 7.9| 0.46| 7.6| 15| 17
2| 200| 8.2| 0.49| 8.1| 14| 17
2.5| 250| 8.2| 0.54| 9| 16| 18
3| 300| 8.5| 0.59| 9.8| 16| 19
3.5| 350| 8.5| 0.63| 10.5| 17| 20
3.8| 380| 8.8| 0.65| 10.9| 17| 19

3.0 •

Dk. Green

| 1.7| 170| 8.8| 0.51| 8.5| 13| 15
2| 200| 9.1| 0.56| 9.3| 13| 15
2.5| 250| 9.1| 0.64| 10.6| 15| 18
3| 300| 9.4| 0.72| 12| 16| 19
3.5| 350| 9.4| 0.78| 13.1| 18| 20
3.8| 380| 9.8| 0.82| 13.7| 17| 20

4.0 •

Dk. Green

| 1.7| 170| 9.8| 0.8| 13.3| 17| 19
2| 200| 10.1| 0.83| 13.8| 16| 19
2.5| 250| 10.1| 0.89| 14.8| 18| 20
3| 300| 10.4| 0.94| 15.7| 17| 20
3.5| 350| 10.4| 0.98| 16.3| 18| 21
3.8| 380| 10.7| 1| 16.7| 18| 20

Notes:
All precipitation rates are calculated for 180-degree operation. For the precipitation rate for a 360-degree sprinkler, divide by 2.

Copyright © 2023 Hunter Industries™. All rights reserved.
https://www.hunterindustries.com/en-metric/irrigation-product/rotors/srm

References

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