PGP Hunter Sprinkler Head Adjustment: Quick and Easy Guide

Adjusting your PGP Hunter sprinkler head is an essential task to ensure your lawn receives the proper amount of water coverage. By fine-tuning the settings, you can maximize the efficiency and effectiveness of your sprinkler system. With the PGP-ADJ model offering an adjustable range of 40-360 degrees and the PGP Ultra providing 50-360 degrees, you have the flexibility to customize your irrigation system to your lawn’s precise needs.

When it comes to making adjustments to your PGP Hunter sprinkler head, it’s important to get familiar with a few essential tools and techniques. Using the plastic key end of the Hunter wrench, you can easily access the adjustment socket on the rotor head. Whether increasing or decreasing the arc, this handy tool will enable you to make the necessary adjustments with ease. Remember, sprinkler heads can be adjusted with water on or off, but it’s recommended that initial adjustments be made before installation.

As you begin optimizing your PGP Hunter sprinkler head settings, you’ll notice improvements in your lawn’s overall health and appearance. By properly maintaining and adjusting your sprinkler system, you can ensure that your yard stays vibrant and lush throughout the entire watering season. Happy watering!

Understanding PGP Hunter Sprinkler Heads

Types of PGP Hunter Sprinkler Heads

PGP Hunter sprinkler heads come in two main types:

• PGP-ADJ: This is the classic adjustable model. With its industry-leading coverage, durability, and ease of adjustment, it’s a popular choice for many residential and commercial applications.
• PGP Ultra: This upgraded model offers enhanced features and even greater durability for those who demand the best.

Key Components

Both PGP-ADJ and PGP Ultra sprinkler heads have some important components that you should be aware of:

1. Nozzle turret: Located at the top, this part rotates to distribute water evenly across your lawn.
2. Adjustment socket: This socket allows you to modify the sprinkler arc settings using a Hunter wrench.
3. Riser: The part that extends from the base, allowing the sprinkler head to pop up.
4. Body: The main housing for the sprinkler head’s internal components.

Here’s a brief overview of how these components interact:

Waterwise Operation

To get the most out of your PGP Hunter sprinkler heads and conserve water, follow these best practices:

• Install correctly: Make sure your sprinklers are installed at the proper height, with the fixed side aligned with the edge of the desired coverage area. This ensures optimal performance.
• Choose the right nozzles: PGP Hunter sprinklers come with a variety of nozzles to provide optimal water distribution for different areas. Match the nozzle to the specific needs of your lawn or garden.
• Adjust the arc: Use the Hunter wrench and adjustment socket to set the desired coverage area. Each full 360° turn of the wrench increases or decreases the arc by 90°, with a maximum range of 40° to 360°.

By following these guidelines, you’ll help reduce water waste and keep your outdoor spaces looking great. And remember, always check local regulations regarding water usage and restrictions.

Adjusting Arc and Radius

Initial Adjustments

Before you begin adjusting your PGP Hunter sprinkler head, make sure the water is off. It’s essential to have a clear view of the sprinkler head components and not risk getting wet in the process. Locate the adjustment socket on the sprinkler head and have a Hunter wrench handy, as you will need this tool for the upcoming adjustments.

Increasing and Decreasing Arc

The arc adjustment of your PGP Hunter sprinkler head allows you to control the angle at which the water is sprayed. To adjust the arc:

1. Insert the plastic key end of the Hunter wrench into the adjustment socket.
2. While holding the nozzle turret at the right stop, turn the wrench:
   • Counterclockwise to increase the arc
   • Clockwise to decrease the arc
3. Each full 360° turn of the wrench will increase or decrease the arc by 90°.
4. You can adjust the arc to any angle between 40° and 360°.

Always hold the nozzle turret at the right stop when making arc adjustments to prevent rotation of the entire sprinkler head.

Changing Distance of Throw

To control the distance at which the water is sprayed, you’ll need to adjust the radius. Here’s how to modify the radius:

1. Locate the radius adjustment screw on the sprinkler head.
2. Insert the steel hex end of the Hunter wrench into the radius adjustment screw.
3. To change the distance of throw, turn the screw:
   • Clockwise to decrease the radius (shorter distance)
   • Counterclockwise to increase the radius (longer distance)

Now that you know how to adjust the arc and radius of your PGP Hunter sprinkler head, you can efficiently water your lawn and garden while conserving water and preventing over-watering. Happy watering!

PGP Hunter Sprinkler Head Maintenance

Correcting Interrupted Rotation Cycle

If you notice that your PGP sprinkler head’s rotation cycle is interrupted, don’t worry, it’s an easy fix. First, remove the rubber cover to access the nozzle turret. Using the Hunter wrench, insert the plastic key end into the adjustment socket. While holding the nozzle turret at the right stop, turn the wrench counterclockwise. Each full 360° turn of the wrench will decrease the arc 90°. Adjust to any arc between 40° and 360°.

Nozzle Change and Installation

Changing and installing the nozzle of your PGP Hunter sprinkler head is simple. Follow these steps:

1. Turn off the water supply to avoid getting wet.
2. Use a needle-nosed pliers to carefully remove the nozzle from the sprinkler head by gripping the nozzle and pulling outward.
3. Choose the appropriate blue nozzle for your needs, considering factors like water pressure and spray distance.
4. Insert the new nozzle into the opening, aligning the fitting correctly.
5. Use the Hunter wrench with the steel hex end to tighten the lost radius adjustment screw until the nozzle is firmly in place.

Remember to double-check your nozzle installation to prevent issues like a wet walkway or a dry turf area.

Aligning Right Stop

It’s crucial that your sprinkler head’s right stop is correctly aligned to ensure proper coverage of your lawn. Here’s how to do it:

1. Insert the plastic key end of the Hunter wrench into the lifting socket.
2. Rotate the nozzle turret counterclockwise until it stops. This is the fixed left stop.
3. Now, rotate the nozzle turret clockwise to align the right stop with the desired area.
4. If you need a full circle rotation, simply turn the nozzle turret counterclockwise past the left stop (you may hear a ratcheting noise during this process).

By following these steps and maintaining your PGP Hunter sprinkler head, you’ll ensure optimal performance and a healthy, well-watered lawn.

Replacing Sprinkler Body Assembly

Removing and Replacing Rotor

First, you need to shut off the water supply to avoid any potential mess. Locate the sprinkler head that needs replacing, and dig a small hole around it to expose the sprinkler body assembly. Make sure to be gentle while digging, as you don’t want to accidentally damage any surrounding pipes or wiring.

Now, to remove the rotor, unscrew the body cap counterclockwise. Once the cap is off, gently lift the internal assembly from the body, making sure not to lose any small parts. With the internal assembly removed, you can now easily take out the old rotor.

To replace the rotor, simply insert the new rotor into the sprinkler body assembly. Make sure it’s properly aligned before putting the internal assembly back.

Body Cap and Internal Assembly Replacement

If you need to replace the body cap or internal assembly, follow these simple steps:

1. Align the nozzle turret of the internal assembly to the right stop.
2. Insert the new body cap or internal assembly into the sprinkler housing, aligning the nozzle with the right side of the area you want to irrigate.
3. Screw the new body cap or internal assembly back into the sprinkler housing, making sure it is tightly secured.
4. Adjust the preset arc of the sprinkler head, which is usually set to approximately 180°. Use the provided plastic key or a flat-head screwdriver to turn the adjustment socket. Remember that each full 360° turn of the wrench will decrease the arc by 90°. Feel free to adjust the arc between 40° and 360° based on your specific needs.
5. Finally, once everything is in place, test the sprinkler system to ensure proper head alignment, and the water coverage is as desired. Readjust if necessary.

Always remember that replacing or adjusting the sprinkler body assembly, rotor, or other components should be done with care to avoid damaging your irrigation system. By following these straightforward steps, you can keep your Hunter PGP sprinkler system in top shape, promoting a healthy and well-maintained lawn.

Fine-tuning Your Sprinkler System

Adjusting Precipitation Rates

To ensure your lawn gets the optimal amount of water, it’s important to adjust the precipitation rate of your PGP Hunter Sprinkler Heads. Start by observing the water coverage and take note of any overly wet or dry areas. Your goal is to achieve even coverage with minimal runoff or wasted water.

1. Identify the current precipitation rate by looking at the nozzle size and spray pattern of each sprinkler head. This information can be found in the manufacturer’s documentation or sometimes indicated on the nozzle itself.
2. Determine the appropriate precipitation rate based on your soil type and the specific needs of your plantings. For example, clay soil may require a lower precipitation rate to prevent runoff, while sandy soil may necessitate a higher rate for adequate absorption.
3. Replace the nozzles as needed to achieve the desired precipitation rate. You can find compatible nozzles from Hunter Industries or other reputable irrigation suppliers.

Remember, it’s important to test and adjust your system over time as environmental conditions change.

Optimal Sprinkler Alignment

Proper alignment of your sprinkler heads ensures even coverage and prevents overwatering or dry spots. Follow these steps to align your PGP Hunter Sprinkler Heads:

1. Locate the raised bump on the nozzle turret, which indicates the current right stop. Make a mental note or mark this spot with a temporary marker, such as chalk or paint.
2. Insert the plastic key end of the Hunter wrench into the adjustment socket on the sprinkler head.
3. Hold the nozzle turret at the right stop and turn the wrench counterclockwise. Each full 360° turn will decrease the arc by 90°. You can adjust the arc anywhere between 40° and 360°. The wrench will stop turning, or you will hear a ratcheting noise when the maximum or minimum arc is reached.
4. Adjust the nozzle turret to align with the desired coverage area. Use fixed reference points in your landscape, such as fences or walkways, to help guide your adjustments.

For an illustration to help visualize these steps, refer to the manufacturer’s documentation, YouTube tutorials, or PGP Hunter support resources.

By following these steps and adjusting the precipitation rates and alignment of your PGP Hunter Sprinkler Heads, you’ll be on your way to achieving a healthy, lush lawn with a well-tuned irrigation system.

FAQ

How do I adjust the arc of my Hunter PGP sprinkler head? To adjust the arc, insert the plastic key end of the Hunter wrench into the adjustment socket. While holding the nozzle turret at the right stop, turn the wrench counterclockwise. Each full 360° turn will decrease the arc 90°. You can adjust to any arc between 40° and 360°. The wrench will stop turning, or there will be a ratcheting noise when you’ve reached the limit.

What is the preset arc for a Hunter PGP-ADJ sprinkler head? Hunter PGP-ADJ sprinkler heads come preset to approximately 180 degrees. However, they are adjustable from 40-360 degrees.

Can I adjust my Hunter PGP sprinkler head with the water on or off? Yes, you can adjust your sprinkler head with water on or off. It is recommended that initial adjustments be made before installation, but you can easily make changes afterward as needed.

How do I decrease or increase the radius of my Hunter PGP sprinkler head? Insert the steel hex end of the Hunter wrench into the radius adjustment screw. Turn the wrench clockwise to decrease the radius and counterclockwise to increase it. You can reduce the radius by up to 25%.

Remember not to turn the adjustment screw clockwise more than five full turns, or you may lose the radius adjustment scroll on PGP-ADJ sprinkler heads.

Keep these tips in mind while adjusting your Hunter PGP sprinkler heads, and you’ll have an efficient and well-maintained irrigation system for your lawn and garden.

Tom Konor

Sprinkler Expert