1. Bubuka
This manual provides detailed instructions for the installation, operation, and maintenance of your K-Rain RPS75 3/4" Rotor Sprinkler with Check Valve. Please read this manual thoroughly before installation and operation to ensure optimal performance and longevity of your sprinkler system.

Figure 1: K-Rain RPS75 3/4" Rotor Sprinkler with Check Valve.
Fitur konci:
- Right Position Start: Ensures the sprinkler begins rotation from a consistent point.
- Patented Reversing Mechanism: Provides continuous reverse and return for reliable operation.
- Universal Riser Assembly: Designed to fit into existing Hunter PGP and PGP Ultra cans for easy replacement.
- Full and Part Circle Rotation: Adjustable from 40° to 360° to cover various landscape areas.
- Integrated Check Valve: Prevents low-head drainage, conserving water and preventing puddling.
- Radius: Adjustable from 22 to 51 feet.
2. Setup jeung Instalasi
Proper installation is crucial for the efficient operation of your K-Rain RPS75 rotor sprinkler. Follow these steps carefully.
2.1 Cék Pra-Pamasangan
- Ensure the water supply is turned off before beginning installation.
- Verify that the existing piping is clean and free of debris.
- Confirm the sprinkler location provides optimal coverage for the desired area.
2.2 Léngkah-léngkah Instalasi
- Dig a trench to the appropriate depth for the sprinkler body, ensuring the top of the sprinkler will be flush with the ground level when installed.
- Connect the 3/4" inlet of the RPS75 rotor to the irrigation pipe using appropriate fittings and thread sealant.
- Backfill the trench, ensuring the sprinkler body is vertical and stable.
- For replacement, the universal riser assembly allows direct fitting into existing Hunter PGP and PGP Ultra cans. Simply unscrew the old rotor and screw in the K-Rain RPS75.
- Ensure the Right Position Start is oriented correctly for your desired arc. The sprinkler will always return to this starting point.

Figure 2: K-Rain products are designed for easy installation and compatibility.
3. Parentah Operasi
The K-Rain RPS75 rotor sprinkler offers flexible adjustments for optimal watering.
3.1 Arc Adjustment (Part Circle)
- The arc can be adjusted from 40° to 360° (full circle).
- To adjust the arc, use the K-Rain adjustment tool or a flat-head screwdriver. Insert the tool into the adjustment slot on the top of the sprinkler.
- Turn clockwise to increase the arc and counter-clockwise to decrease the arc.
- The Right Position Start ensures the sprinkler always returns to the set starting point of the arc.
3.2 Radius Adjustment
- The radius can be adjusted from 22 to 51 feet.
- To adjust the radius, insert the adjustment tool into the radius reduction screw located on the top of the nozzle turret.
- Turn clockwise to decrease the radius and counter-clockwise to increase the radius. Do not overtighten.

Figure 3: Achieve efficient and uniform water distribution by adjusting sprinkler settings.
4. Pangropéa
Regular maintenance ensures the long-term performance of your K-Rain RPS75 rotor sprinkler.
4.1 Cleaning the Filter Screen
- Periodically check the filter screen located at the bottom of the sprinkler riser for debris.
- To access, unscrew the top of the sprinkler from the body. Pull out the riser assembly.
- Remove the filter screen and rinse it under running water to clear any accumulated dirt or particles.
- Reinsert the clean filter screen and reassemble the sprinkler.
4.2 Check Valve Functionality
- The integrated check valve prevents water from draining out of the sprinkler head when the system is off, especially on sloped areas.
- If you notice water draining from the lowest sprinkler heads after the system shuts off, the check valve may be obstructed or damaged.
- Inspect the check valve for debris and clean as necessary. If the issue persists, replacement may be required.
5. Cara ngungkulan
Tingali tabel di handap pikeun masalah umum sareng solusina.
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Sprinkler henteu puteran | Low water pressure, debris in mechanism, worn gears. | Check water pressure. Clean filter screen. Inspect internal mechanism for obstructions. |
| Pola semprot teu rata | Clogged nozzle, incorrect radius adjustment, low pressure. | Clean or replace nozzle. Adjust radius setting. Verify adequate water pressure. |
| Water pooling at sprinkler base | Damaged check valve, low-head drainage. | Inspect and clean check valve. If damaged, replace the sprinkler. |
| Sprinkler henteu muncul | Low water pressure, debris in riser, damaged spring. | Increase water pressure. Clean riser assembly. Replace sprinkler if spring is damaged. |
6. Spésifikasi
Detailed technical specifications for the K-Rain RPS75 3/4" Rotor Sprinkler with Check Valve.
| Atribut | Nilai |
|---|---|
| merek | K-Rain |
| Modél | RPS75 |
| Ukuran Sambungan Inlet | 0.75 inci |
| Radius | 22 - 51 suku |
| Arc adjustment | 40° to 360° (Full and Part Circle) |
| Bahan | Rubber (housing components) |
| Warna | Hideung |
| Ukuran barang (L x W x H) | 8 x 2 x 2 inci |
| Item Beurat | 2.88 ons |
| UPC | 671923106287 |
7. Garansi jeung Rojongan
K-Rain products are manufactured to high standards. For specific warranty information, please refer to the documentation included with your purchase or visit the official K-Rain websitus. Simpen bukti pameseran anjeun pikeun klaim garansi.
7.1 Rojongan Palanggan
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact K-Rain customer support. You can often find contact information on the K-Rain official websitus atawa ngaliwatan pangecér mana produk ieu dibeuli.
Visit the K-Rain Store for more information: K-Rain Store on Amazon
Inpormasi Kaamanan Penting:
Use according to manufacturer instructions. Keep out of reach of children. Ensure electrical safety if integrating with automated systems. Be cautious during installation and maintenance, especially when dealing with water pressure.





