Hunter sprinkler adjustment instructions

Sprinkler Installation Caution: Use only PTFE tape to make threaded connections from riser or barbed ell to sprinkler body. Deterioration of plastic may occur if other sealing compounds are used. Note: It is recommended that shrub and pop-up sprinklers be installed on polyethylene risers or barbed ell and thick walled poly pipe. The 12" high pop …

Hunter sprinkler adjustment instructions. Hunter Pro-Spray Sprinkler Bodies are engineered to ensure long-lasting, reliable performance. Available in heights from shrub to 12”, Pro-Spray heads feature durable construction that is second to none, exclusive body cap design that doesn't leak even when loosened, and a reliable, easy-to-adjust two-piece ratchet. Pro-Sprays are compatible …

Adjust to any arc between 40°-360°. To Decrease arc: Insert the key end of the Hunter wrench into the adjustment socket. While holding the nozzle turret at the right stop, turn the wrench counterclockwise. The wrench will stop turning when adjusted to the maximum arc (360°). Do not go past this stop. Adjust to any arc between 40° and 360°.

Maybe you installed the MP Rotator yourself or we did it! Either way they need to be adjusted periodically. Here is a quick overview of how to dial in the MP...Insert the plastic key end of the Hunter wrench into the adjustment socket (Fig 3 & 4). While holding the nozzle turret at the right stop, turn the wrench ...Institutional series (2 pages) Control Unit Hunter DUAL 48M Owners Manual And Programming Instructions. Two-wire/decoder module for use with i-core controller (28 pages) Control Unit Hunter Hydrawise WAND Quick Start Manual. Module for x2 controllers (28 pages) Control Unit Hunter ACC-COM-LTE Installation Manual.ARC ADJUSTMENT INSTRUCTIONS The sprinkler can be adjusted to any arc setting between 40˚ and 360˚. This can be done while the ... Hunter Industries Incorporated • 1940 Diamond Street • San Marcos, California 92069 • Tel: 1-760-744-5240 • Fax: 1-760-471-9626. Title: GLIT-015The PGP Gear-Drive Rotor Sprinkler with 3-Gallon Per Minute Nozzle features an adjustable 40 - 360 degree arc for versatile coverage. The rotary sprinkler provides water-saving efficiency and uniform water distribution for consistent results. See details Hunter Pop-Up, Rotary PGP-ADJ Gear Driven Adjustable Sprinkler, 3 Gallons/Min.NOTE: when adjusting the arc while the rotor is operating, only turn the arc adjustment screw in the direction the rotor is already turning. Turning it against the direction it is already turning can damage the rotor by stripping the gears. 3. Adjust the spray distance With the water on or off, you can adjust the distance of throw.

The sprinklers come from the factory with a preset spray arc of 1º (a very thin stream). The raised dot on top of the nozzle indicates the adjustable (left) edge of the spray pattern. With the raised dot aligned to the right-hand border of the coverage area, insert the Hunter wrench into the stainless-steel hex screw and turn the screw counter ...PGP-ADJ. As Hunter’s original rotor, the PGP® delivers unsurpassed reliability, durability, versatility, and value. Radius 22' to 52'. Flow 0.5 to 14.1GPM. Inlet Size ¾" NPT. Pop-up sprinkler rotates silently then dissappears when the job is done. Waters evenly and efficiently. SRM/PGJ ARC ADJUSTMENT RADIUS ADJUSTMENT ˜ ˜˚ ˜˛ ˜˝ 180° 0° 360° 40° SRM/PGJ PERFORMANCE DATA Nozzle Pressure Radius Precip in/hr Precip in/hr bar kPa m m3/hr l/min 0.50 1.7 170 4.3 0.08 1.4 9 11 2.0 200 4.3 0.09 1.6 10 12 2.5 250 4.6 0.11 1.8 10 12 3.0 300 4.6 0.12 2.0 12 13 3.5 350 4.9 0.13 2.2 11 13 3.8 380 4.9 0.14 2.3 12 14How to adjust and maintain Hunter sprays on an irrigation system. Adjusting the arc, adjusting the radius, cleaning the filter and installing a check valve.PGP ® Ultra. The PGP Ultra raises the bar for rotor technology with powerful features developed over three decades of research, customer feedback, and lab testing. Radius 17' to 46'. Flow 0.36 to 14.8 GPM. Inlet Size ¾" NPT. Automatic arc return: Returns to the original arc regardless of where the turret is turned.Read the instructions that came with the sprinkler head. 2. Contact the manufacturer. – Barry. Jan 25, 2022 at 1:10 ... and Hunter all use very similar designs for their pop-up sprinklers. The adjustment screw on the top of the nozzle raises and lowers a post just above the filter. Turning the screw clockwise lowers the post into a socket in ...

I-20 Product Lines Rotors Category Field Knowledge Download MOV Download WMV Adjusting the arc and radius of a rotor is an easy task. Most residential rotors are adjusted the same way. There are two adjustments that can be made on rotors, arc and radius. Arc: The degrees of coverage of a sprinkler from one side of pattern to the other.Jun 29, 2012 · This video explains how to adjust and maintain Hunter sprays on an irrigation system. Mike, a Hunter Technical Support Representative, demonstrates flushing ... turning the black stator plate until the arrow. aligns with the nozzle in use (Figure 9). Install the stator assembly with the black stator plate facing. the screen. Insert the screen and turn clockwise to lock. Pop-Up and Riser-Mount Models. All I-80 rotors also have a traditional body cap that must be.Note: It is not necessary to disassemble the sprinkler to make adjustments. ® Institutional Series™ I-10 & I-20 Ultra Gear-Driven Sprinklers ARC ADJUSTMENT The I-20 Ultra pop-up sprinkler should be installed at finished grade as shown in the illustration (Fig. 1). To Increase the Arc: 1. Insert the plastic key end of the Hunter wrench into ... You can adjust the spray of your sprinkler to keep your lawn happy plus healthy. Sprinklers are a convenient way to maintain a lush dry or irrigate a garden. …To Increase The Arc: 1. Insert the plastic key end of the Hunter wrench ( click here to purchase) into the adjustment socket on the rotor head. 2. While holding the nozzle turret at the right stop, turn the wrench clockwise. Each full 360° turn of the wrench will increase the arc 90°. 3.

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Category. This video explains how to adjust and maintain Hunter sprays on an irrigation system. Mike, a Hunter Technical Support Representative, demonstrates flushing a spray sprinkler upon installation, adjusting the arc, adjusting the radius, cleaning the filter and installing a check valve.Nozzle Installation Insert the plastic key end of the Hunter wrench into the lifting socket of the sprinkler and turn 90°. Pull the riser up... Using the hex key of the Hunter wrench, turn the radius adjustment screw …Turn the whole sprinkler body assembly and the fitting below it to the desired position. (You may first need to remove some soil around the sprinkler to allow you to grip the sprinkler housing). Turn the body cap counterclockwise and remove the internal assembly from the body. Rotate the nozzle turret to the right stop, screw the internal ...One of the most popular Hunter Popup Sprinklers, the PGP Ultra is adjustable from 50° - 360° and up to 14m in range. In this video, our Flow Pro Aaron shows ...To widen the arc. Put the Hunter wrench’s plastic essential end—which may be purchased here—into the rotor head’s adjustment socket. Turn the wrench clockwise while holding the nozzle turret at the right stop. The arc will rise by 90° for each complete 360° spin of the twist. You may adjust any arc between 40° and 360°.

1. Turn the dial to the SEASONAL ADJUSTMENT position. 2. The display will now show a flashing number followed by a %, as well as the bar graph on the left side of the display which always remains on the display. Press the plus (+) or minus (-) button to adjust the percentage of the seasonal adjustment. Each bar on the graph represents 10%.Great tool while it lasts. My Hunter PGP sprinkler heads are several years old so the pattern adjustment isn't easy like it is on a brand new unit. I got to the fourth sprinkler head and the plastic part broke. This tool would be fantastic if the pattern tool part was metal like the spray tool part. It only cost $0.67 so I can't be to upset.Rotate the nozzle turret to the right stop, screw the internal assembly back into the body with the nozzle aligned to the desired irrigation area and adjust the left arc as needed. Note: It is not necessary to dig up and remove the whole sprinkler to realign the right arc. The right stop position on the Hunter PGP can be easily adjusted. MP Rotator - Adjusting the Radius and Arc. Install the MP Rotator with the Left Edge Indicator pointing to the left side of the desired watering pattern. With the MP Rotator operating and in the pop-up position, rotate the Arc Adjustment Ring. Turning the Arc Adjustment Ring clockwise will increase the arc, counter clockwise will decrease the arc. SRM/PGJ ARC ADJUSTMENT RADIUS ADJUSTMENT ˜ ˜˚ ˜˛ ˜˝ 180° 0° 360° 40° SRM/PGJ PERFORMANCE DATA Nozzle Pressure Radius Precip in/hr Precip in/hr bar kPa m m3/hr l/min 0.50 1.7 170 4.3 0.08 1.4 9 11 2.0 200 4.3 0.09 1.6 10 12 2.5 250 4.6 0.11 1.8 10 12 3.0 300 4.6 0.12 2.0 12 13 3.5 350 4.9 0.13 2.2 11 13 3.8 380 4.9 0.14 2.3 12 14Hunter’s revolutionary MP Rotator® Nozzles use multi-stream technology to deliver accurate streams of water with superior uniformity. When used in place of standard spray nozzles, it’s not uncommon to see system water use decrease by 30% or more. This technology and water savings is brought to life in the Pro-Spray PRS40. This efficient …Increase 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 clockwise. Each full 360° turn of the wrench will increase the arc 90°. Adjust to any arc between 40° and 360°.Learn how to adjust and maintain Hunter sprays on an irrigation system from a Hunter Technical Support Representative. Watch a 3-minute video that explains flushing, arc, radius, filter and check valve settings for Hunter spray sprinklers.

Rotate the nozzle turret to the right stop, screw the internal assembly back into the body with the nozzle aligned to the desired irrigation area and adjust the left arc as needed. Note: It is not necessary to dig up and remove the whole sprinkler to realign the right arc. The right stop position on the Hunter PGP can be easily adjusted.

2. Set the Right Position. On top of the rotor head, you should see a rubber cover with two to three access points. The point on the opposite side of the nozzle is where you can adjust how far your sprinkler head turns to the right. Place a rotor adjustment tool or a flathead screwdriver into the access point.How do I Adjust Hunter PGJ Sprinkler Heads?. Hunter PGJ sprinkler heads are fully adjustable in the water coverage area. This type of sprinkler head is gear ...Welcome to the Hunter Pro-C irrigation controller support section. The Pro-C controller has had a few running changes with enhancement and the face pack may have different graphics than the one pictured below. In this section, you will find help on installing, programming, running and troubleshooting both the Pro-C and PCC models of irrigation …Rotate the nozzle turret to the right stop, screw the internal assembly back into the body with the nozzle aligned to the desired irrigation area and adjust the left arc as needed. Note: It is not necessary to dig up and remove the whole sprinkler to realign the right arc. The right stop position on the Hunter PGP can be easily adjusted.Hello Everyone! Don't have the Rain Bird 5000, Rain Bird 3500, or Hunter PGP Rotor Sprinkler Heads but something similar? Chances are you have the Hunter P...Liked the video? Help us make more at https://www.patreon.com/SmartIrrigationChris from Smartirrigation.com shows the smart way to adjust the spray pattern ...This video gives the viewer a step-by-step demonstration of how to adjust a Hunter rotary style sprinkler head.

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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 of the wrench will decrease the arc 90°. Adjust to any arc between 40° and 360°. The wrench will stop turning, or there will be a ratcheting noise, when the ... PGP-ADJ. As Hunter’s original rotor, the PGP® delivers unsurpassed reliability, durability, versatility, and value. Radius 22' to 52'. Flow 0.5 to 14.1GPM. Inlet Size ¾" NPT. Pop-up sprinkler rotates silently then dissappears when the job is done. Waters evenly and efficiently. All about the K-Rain sprinkler head "Super Pro." Learn how to install, adjust, and repair. This video is part of our online video training course Irrigation ...२०२३ जुलाई १९ ... Apply gentle pressure to the top of the rotor and turn it clockwise, to the right side, until you reach the right stop position and it cannot ...1. Insert the plastic key end of the Hunter wrench into the. lifting socket of the sprinkler and turn 90˚. Pull the riser up. to gain access to the nozzle socket (Fig. 8). 2. Using the hex key of the Hunter. wrench, turn the radius adjustment. screw (Fig. 6) counterclockwise.I-20 Rotary Sprinkler Adjustment Instructions ... Insert the plastic end of the Hunter adjustment wrench into the arc adjustment socket. While holding the nozzle turret at …Our manuals contain clear illustrations, easy to read fonts, and are written by the engineers and product managers that brought the products to life. View Owner's Manuals by product and category View all Controller Owner's Manuals X-Core | PCC | Pro-C | I-Core | Dual | ICD-HP | XC Hybrid | NODE | WVP/WVC View all Sensor Owner's ManualsI-20 Rotary Sprinkler Adjustment Instructions ... Insert the plastic end of the Hunter adjustment wrench into the arc adjustment socket. While holding the nozzle turret at …sprinkler to the kit. NOZZlE INSTAllATION 1. Insert the plastic key end of the Hunter wrench into the lifting socket of the sprinkler and turn 90°. Pull the riser up to gain access to the nozzle socket (Fig. 8). 2. Using the hex key of the Hunter wrench, turn the radius adjustment screw (Fig. 6) counterclockwise to be sure it is not blocking ...Download WMV. Adjusting the arc and radius of a rotor is an easy task. Most residential rotors are adjusted the same way. There are two adjustments that can be made on rotors, arc and radius. Arc: The degrees of coverage of a sprinkler from one side of pattern to the other. A 90-degree arc would be a quarter-circle sprinkler. Irrigation System Hunter Hydrawise PRO-C Software/App Owner's Manual. Irrigation controllers (15 pages) Irrigation System Hunter PGJ Quick Start Manual. Gear driven sprinklers (2 pages) Irrigation System Hunter TTS-800 Series Owner's Manual. Golf rotors (24 pages) Irrigation System Hunter Hydrawire Owner's Manual.must first determine the correct Sprinkler System Design Capacity — how much water is available for residential irrigation. If the system will be installed using city water, follow the steps below. If the water will be drawn from a lake or well, your Hunter dealer or the pump installer will have the specifications for pressure and volume. 1. ….

Insert the plastic key end of the Hunter wrench into the adjustment socket on top of the sprinkler. While holding the nozzle turret at the right stop, turn the wrench clockwise. Wrench will stop turning when adjusted to the maximum arc (360°). Do not go past this stop. Adjust to any arc between 40°-360°. To Decrease Arc1. Select a location close to an electrical outlet or power supply that is not controlled by a light switch. 2. Remove the front panel from the Pro-C by first removing the ribbon connector and then pulling down the hinge release. Removing the front panel will ease installation of the controller cabinet.Insert the plastic key end of the Hunter wrench into the adjustment socket on top of the sprinkler. While holding the nozzle turret at the right stop, turn the wrench clockwise. Wrench will stop turning when adjusted to the maximum arc (360°). Do not go past this stop. Adjust to any arc between 40°-360°. To Decrease ArcThe HUNTER ADJUSTMENT WRENCH consists of a 3/32 Allen key, two convenient finger loops for gripping, and an opposite side arc adjustment key for all your Hunter rotor adjustments. Arc Adjustment Adjustable heads are preset to approximately 180 degrees. The PGP-ADJ is adjustable from 40-360 degrees. PGP Rotor 22-ft-52-ft Adjustable Gear Drive Rotor. Model # RTL2001PGPADJB30. Find My Store. for pricing and availability. 188. Hunter. Pro-Spray 15-ft-15-ft Adjustable Pop-up Spray Head Sprinkler. Model # RTL2001PROS0415A. Find My Store. Insert the plastic key end of the Hunter wrench into the adjustment socket (Fig. 3 & 4). While holding the nozzle turret at the right stop, turn the wrench counterclockwise. Each full 360º turn of the wrench will decrease the arc 90º. Adjust to any arc between 40º and 360º (Fig. 5). The wrench will stop turning, or there will be a ...I-60-36S: STEP ONE. STEP TWO. The nozzle is retained in the nozzle housing by a setscrew. To remove the nozzle, back out the setscrew so that the nozzle will clear. Rotate the nozzle housing to place the diffuser yoke at its lowest position in order to provide clearance. STEP THREE. Grasp a nozzle tab with pliers and pull to remove. With 34 nozzle options, a 17’ to 46’ radius, and 6 body choices, the I-20 is an indispensable rotor. Whether you’ve got a small area, sandy soil, or a mix of shrubs and grass, the I-20 is ready to water with efficiency and reliability. Recent improvements include automatic arc return (non-reversing 360, from 50 to 360 degrees) and a non-strippable, vandal-proof …This is how you adjust Hunter PGP ultra sprinkler headsHunter PGP ultra sprinkler: https://amzn.to/3gxdkslHunter PGP ultra 4 pack: https://amzn.to/3dmSD0gSpr... Hunter sprinkler adjustment instructions, Place the tool's notched edge under a cap's lip, and pry the cap upward. After removing a sprinkler head's cap, pull out the black, click-set disk in the center of the sprinkler head, flip the disk to the gray side and push it back in place in the sprinkler head, if you want to redirect the spray pattern from a full circle to partial., The main difference is that the flow control limits the diaphragm's stroke, allowing less water to pass. This, in turn, creates additional pressure loss, allowing you to “fine-tune” your sprinklers' performance. A fully open valve (4-5 full turns counterclockwise) might allow 75+ PSI to pass, which is too much for certain sprinklers like ..., Adjusting the arc and radius of a rotor is an easy task. Most residential rotors are adjusted the same way. There are two adjustments that can be made on rotors, arc and radius. Arc: The degrees of coverage of a sprinkler from one side of pattern to the other. A 90-degree arc would be a quarter-circle sprinkler., The sprinklers come from the factory with a preset spray arc of 1º (a very thin stream). The raised dot on top of the nozzle indicates the adjustable (left) edge of the spray pattern. With the raised dot aligned to the right-hand border of the coverage area, insert the Hunter wrench into the stainless-steel hex screw and turn the screw counter ..., Insert the key end of the Hunter wrench into the adjustment socket on top of the sprinkler. While holding the nozzle turret at the right stop, turn the wrench clockwise. Wrench will stop turning when adjusted to the maximum arc (360°). Do not go past this stop. Adjust to any arc between 40°-360°. To Decrease Arc., Product Details. Make watering easier with this Pop-Up gear drive sprinkler. For simple adjustment and nozzle changes, it offers flow control and flow shut-off. The continuous 360-spray pattern delivers superior coverage for distances from 20 to 48 ft. Flow control allows you to adjust distance and water flow at the same time., MP Rotator - Adjusting the Radius and Arc. Install the MP Rotator with the Left Edge Indicator pointing to the left side of the desired watering pattern. With the MP Rotator operating and in the pop-up position, rotate the Arc Adjustment Ring. Turning the Arc Adjustment Ring clockwise will increase the arc, counter clockwise will decrease the arc., With a rotor tool, its easy to adjust the left stop, but ever wonder how to adjust the right stop after install? Mike from Hunter technical support will show..., PGV-ASV - Installation. All Hunter Industries Anti-Siphon Valves should be installed above ground and at least 6 to 12 inches above the highest sprinkler to prevent back pressure or drainage. Installations at any height lower than this may result in unsafe backflow condition. Consult your local codes to verify this height for your specific area., Hunter PGP Sprinkler, PGP Rotary Sprinklers Adjustment Instructions View mosupport documents. Hunter Technical Support experts aavailable to answer your question(s) about Hunter, Simple video instructions on how to adjust the arc and radius of the Huter PGP Sprinkler. Most residential sprinklers are adjusted in the same way., The PGP Ultra is adjustable from 50-360 degrees. Sprinklers may be adjusted with water on or off. It is recommended that initial adjustments be made before ..., The PGJ was built to bring all the efficient benefits of rotary sprinklers to applications that typically call for a spray. Its many features include a rack of easily installable, water-efficient nozzles, a QuickCheckTM Arc Mechanism, and a durable rubber cover. The PGJ is capable of working in tandem with larger rotors to combine big and small areas in a single zone, …, 188. Hunter. Pro-Spray 15-ft-15-ft Adjustable Pop-up Spray Head Sprinkler. Model # RTL2001PROS0415A. Find My Store. for pricing and availability. 14. Hunter. PGJ Rotor 18-ft-25-ft Adjustable Gear Drive Rotor., Jun 20, 2013 · With a rotor tool, its easy to adjust the left stop, but ever wonder how to adjust the right stop after install? Mike from Hunter technical support will show... , 3. Adjust to any arc between 50° and 360°. 4. The wrench will stop turning, or there will be a ratcheting noise, when the maximum arc (360°) is reached. 5. When set to 360°, the sprinkler will rotate continually counterclockwise. To Decrease the Arc 1. While holding the nozzle turret at the right stop, turn the wrench counterclockwise., The nozzle turret must be held in this position for all arc adjustments. To increase arc: 1. Insert the key end of the Hunter wrench into the adjustment socket ..., The HUNTER ADJUSTMENT WRENCH consists of a 3/32 Allen key, two convenient finger loops for gripping, and an opposite side arc adjustment key for all your Hunter rotor adjustments. Arc Adjustment Adjustable heads are preset to approximately 180 degrees. The PGP-ADJ is adjustable from 40-360 degrees., To increase arc: 1. Insert the key end of the Hunter wrench into the adjustment socket on top of the sprinkler. 2. While holding the nozzle turret at the ..., I-60-36S: STEP ONE. STEP TWO. The nozzle is retained in the nozzle housing by a setscrew. To remove the nozzle, back out the setscrew so that the nozzle will clear. Rotate the nozzle housing to place the diffuser yoke at its lowest position in order to provide clearance. STEP THREE. Grasp a nozzle tab with pliers and pull to remove., • All sprinkler components are removable from the top without special tools, providing for quick and easy flushing and maintenance of the sprinkler. • Side inlets featured on 1806, 1806PRS, 1812, and 1812PRS models only. • Five-year trade warranty. Operating Range • Spacing: 2.5 to 24 feet (0.8 to 7.3 m), I-20. The I-20 is loaded with upgraded features such as FloStop® control, check valves, and efficient nozzles that make it the perfect choice in a range of applications. Radius 17' to 46'. Flow 0.36 to 14.8 GPM. Inlet Size ¾" NPT. Versatile: 34 nozzles and 6 body choices. Durable: Tough factory-installed rubber cover., One way to 1. Insert the plastic key end of the Hunter wrench into the adjustment socket realign the right stop is to (Fig. 3 & 4). turn the whole sprinkler body assembly and the fitting 2. Page 70 0.76 “Looks good, works hard. Pressure Radius Flow Precip mm/hr 0.73 0.84 Nozzle Bars l/min 0.74 0.86 Commit to Hunter’s Blue Nozzles 0.10 0.75 ..., 3. Adjust to any arc between 50° and 360°. 4. The wrench will stop turning, or there will be a ratcheting noise, when the maximum arc (360°) is reached. 5. When set to 360°, the sprinkler will rotate continually counterclockwise. To Decrease the Arc 1. While holding the nozzle turret at the right stop, turn the wrench counterclockwise., Hunter Pro Adjustable Nozzles come from the factory with the arc preset at 25 degrees. Extend the riser assembly to its popped up position. Locate the point on the front of the nozzle opening where the right side of the spray pattern begins. Grasp and twist the riser assembly by using the ratcheting feature of the Pro Spray Sprinkler., Insert the plastic end of the Hunter adjustment wrench into the FloStop adjustment socket. A rotation clockwise 90 degrees will stop the flow of water, a rotation counterclockwise will allow the flow of water. I-20 Installation Card Select Language I-20 Rotary Sprinkler Adjustment Instructions, Insert the plastic key end of the Hunter wrench into the adjustment socket (Fig. 3 & 4). While holding the nozzle turret at the right stop, turn the wrench counterclockwise. Each full 360º turn of the wrench will decrease the arc 90º. Adjust to any arc between 40º and 360º (Fig. 5). The wrench will stop turning, or there will be a ..., This video explains how to adjust a Hunter PGP gear drive rotor up close. We are a sprinkler repair and installation contractor. American Irrigation Repair ..., PGV-ASV - Installation. All Hunter Industries Anti-Siphon Valves should be installed above ground and at least 6 to 12 inches above the highest sprinkler to prevent back pressure or drainage. Installations at any height lower than this may result in unsafe backflow condition. Consult your local codes to verify this height for your specific area., Dig out a 1- to 2-inch ring around the sprinkler carefully so you don’t hit the waterline. Remove both dirt and sod and unscrew the sprinkler head using a counterclockwise motion. Screw on the new head by threading it on the stem snugly, but don’t crank it down. Fill the original dirt and sod back in around the head., Sprinklers may be adjusted with water on or off. It is recommended that initial adjustments be made before installation. Note: Reference illustration above for arc adjustment …, The radius, or distance the water sprays on Hunter Nozzles can be adjusted by turning the center screw on top of the nozzle. This will increase or decrease the radius. All nozzles come from the factory in the fully open position (fully counterclockwise …, position for all arc adjustments. To increase arc: 1. Insert the key end of the Hunter wrench into the adjustment socket on top of the sprinkler. 2. While holding the nozzle turret at the right stop, turn the wrench clockwise. (Note: all adjustments can be made with less than one full turn of the adjusting wrench.) 3.