Sherco power valve actuator troubleshooting , Rotary actuators have a range of motion of _____ degrees or less. 2K Dec 10, 2024. Mount the IntelliValve valve actuator onto the valve assembly and secure it with the four 2¼ inch mounting screws provided. , To determine the safe operating pressure of a particular control valve, look in the 1. Troubleshooting Valve Actuators. slot on the valve (see Figure 5). 4003 - 4003 - 2T 250/300 - RACING 14-18, FACTORY 14-17, 2T 125 - 19-20 IGNITION COIL Valve stop learning after cylinder reassembly WARNING After any maintenance operation on the internal parts of the cylinder and/or after changing the cylinder, the Sherco diagnostic tool's machine learning application must be run (see p63 diagnostic tool chapter). Power valve/servo problems rs 250 ALL For Sale (FS), Wanting to Buy (WTB), Wanting to Trade (WTT), and similar threads MUST be posted in the correct subforums. Actuator problems are easy to spot if you know what to look for. The actuator won’t turn the valve; The actuator won’t turn with the hand pump. While pneumatic actuators are easy to repair and troubleshoot using diaphragm repair kits, electrical actuators prove more difficult and costly to fix cilindru sherco sef 450 Cilindru 1. by Sherco General Discussion Forum. B-3724 Remote Valve Actuator Controller B-3724M Valve Actuator Manifold B-3715SW Air Actuator The B-3724 Remote Valve Controller provides pushbuttons to open and close the actuator, open/close valve position indicators, emergency close pushbutton and a system shutdown indicator. for MAS15 (wastegate cars - AHU) and EDC16 cars (BEW PD cars in Jul 1, 2017 · 1996 Mercruiser 4. Our service experts report that this is the case 7 out of 10 times they are called about a faulty actuator. Im troubleshooting a Zurn flush valve on a urinal. As it turned out, the problem is that the spring is not strong enough to open the damper when the system is on high-power mode (perhaps >2000CFM). Valve Apr 26, 2022 · Having a clean power valve is key to getting smooth and consistent power out of your Sherco motorcycle. Check the power supply. Bad Actuator Symptoms. The solution was to change the directional-control valve spool center configuration to connect the cap end to tank, and block the rod end when the valve's spool was centered. When the flusher is connected to another Oct 2, 2024 · Common symptoms of problems with the Detroit DD13 turbo actuator include decreased engine power, unusual noises coming from the engine, and warning lights illuminated on the dashboard. The actuator does not mount with the valve tightly during installation process. I unplugged and checked every electrical connector and didn’t see anything. Remove valve mechanical stops. With a little help with my finger, it would open up. It was firm. That was about 100 hours ago. Join us Valve Issues Possible Cause Solution Valve is leaking past ball. Having an entire week off of work Jun 18, 2020 · Actuator failure will disrupt system operations as the valves will no longer have the power to operate. Note: Keep hands away from the valve flanges to avoid crushing damages. I know its the same valve that is in the corvettes from the sixties up into the early eighties. Nov 27, 2004 · in VCDS for EDC15 ALH cars the n75 value shows the percent the VALVE is CLOSED. It may be that the actuator's fuse has blown or the mainboard power line is loose and not well inserted. Manually open valve. , The _____ can be used to determine if the DCV's spool is stuck or if the solenoid is not working. Valves Not Rotating NO NO YES Pull handle to NO Toggle actuator switch, does valve move? Go to Section B Section B NO Actuator power is 24vAC, is power present? Turn valve ON via the MSP, did valve rotate? Reprogram, does valve rotate? Contact Support (908) 355. Apr 8, 2023 · By following this comprehensive AUMA actuator troubleshooting guide, you can effectively diagnose and resolve common issues that may arise. Note: DO NOT over tighten the mounting screws. To check, make sure the power source is connected to the actuator and is on. Problem 7: You regularly lose battery power. Nov 10, 2024 · This will be a good bit for a “first“ post. 1 Power Supply Inspection. Aug 13, 2019 · I re-installed the actuator back and tested it again. Valve Opening Failure. 4. Use with V5055/V5097C,E (double seal) gas valves for valve seal overtravel interlock. 0005" (0. To effectively troubleshoot valve actuator issues, it is essential to follow a systematic approach. I read an online service manual and it looked like you needed a special sherco diagnostic tool to really figure out what the problem was. These can include power supply problems leading to the actuator not functioning properly, mechanical wear and tear causing the valve to stick or not close properly, and control signal issues resulting in erratic valve behavior. 2. Subscribe to the newsletter. Common issues with motorized actuator valves often stem from electrical or mechanical failures. The handwheel declutch has failed. pop," as it continued to try to Jan 18, 2023 · After the power valve function was figured out, and the new parts came in, I was able to get the two stroke back together. Whether you are cleaning your power valve during a top end rebuild or just wanting to ensure everything is operating correctly, Charles shows how to properly clean and rebuild the power valve on Sherco 250 SE and 300 SE 2-stroke motorcycles. This diagram can help riders and mechanics better understand the inner workings of the Kx85's power valve. Join us new valve. Check the wiring connections, the control circuit, and the power source to ensure that they are functioning correctly. There was a guy on one of the forums that showed the teardown of the actuator valve. I started to get overwhelmed when I realized the power valve actuator was as broken as it was. If the valve is powered by a controller, verify the controller is sending the correct signal. com | Support: (888) 477-7278. A faulty actuator or miscalibrated valve can lead to rooms not reaching the set temperature, temperature fluctuations, and hot and cold spots within a space. ) Seats damaged or worn out. 7995 NO NO Replace failing actuator(s): GVA-24 YES Test fuses Feb 29, 2024 · Faulty actuator or miscalibrated valve. The valve can not fully-open or fully-closed by either power supply or hand-wheel. 129 posts 121K views Jamesbury™ Quadra-Powr™ QPX series pneumatic actuator Jamesbury™ Valv-Powr™ VPVL series pneumatic actuator Neles Easyflow™ rack and pinion actuator, series RNP Neles™ heavy duty scotch yoke actuator, series N1 Neles™ pneumatic cylinder actuators, series B1 Neles™ pneumatic linear cylinder actuator, series VB Neles™ pneumatic Energy Valve. b. We are Australia's largest online motorcycle wreckers. Aug 8, 2024 · Check power and fuses: If the actuator's background light is not on, first check whether the three-phase power is normal. Also concerning the code, I have just done a bunch of preventative maint. The torque switch is engaged. Click here to view the Hayward GVA-24 valve actuator. The center column gear is stripped. The first step in a methodical approach to troubleshooting is to find out if the valve is stuck due to something physical or mechanical, or if it is the actuator failing to move the valve. If you experience any of these signs, it is important to address the issue promptly to prevent further damage. When no power is applied, the actuator’s shaft holds its position. B. The valve is not closing to the correct position. Basically, the power valve actuator is a plastic butterfly valve that slides into a slot in the intake manifold. Testing the Valve Control Aug 11, 2023 · Power valve or electrical. After starting the motor, there is a buzzing sound and it does not rotate. Do not post these threads in any other forum. Disposal The flats are vertical and I have worked the wheel lock to lock probably 30+ times by now. Having an entire week off of work was also a huge help, as I didn’t feel pressure to have the Sherco back together as soon as possible. Flow measurements are not stable. Reversing the polarity of the wires and applying -12VDC to the actuator wires will then retract the actuator shaft back in. I will take the actuator back off and try and disassemble the valve. Rotate the actuator while keeping the two shafts engaged until the screw holes on the actuator legs Aug 21, 2014 · Repair as necessary. When valves don’t open fully or get stuck partway, it throws off flow rates and pressure. To re-assemble the actuator to the valve body: Position actuator such that the “D” shaped valve stem aligns properly with the “D” Additionally, understanding the specific requirements and operational parameters of the actuator valve in question—such as voltage ratings for electric actuators, air pressure specifications for pneumatic actuators, and fluid levels for hydraulic systems—is fundamental. If any of these problems persists after troubleshooting, you can re-calibrate the actuator to reset the unit. to the car. If there is no power to the Actuator, check the 24V power source. From my understanding the Sherco engine design has 'servos' (small electric motor) that push/pull on cables to actuate the power valve (a similar system to what some Honda motocross bikes once had) Should there be some play on power valve actuator motor? I feel like previously when I had it out. See Figure 5 and Figure 6. Types of Electric Valve Actuators. Aug 16, 2024 · QUICK START GUIDE – SERIES 70 ELECTRIC ACTUATORS 4. Explore a detailed diagram of the power valve system in the Kx85 dirt bike. Adjust limit switches of actuator as per manufacturer instruction: Loose body bolts or excessive operating pressure. ecommerce@hydparts. and more. Some claim you'll lose low end power and gain top end. Jun 4, 2022 · Power valve problems are really annoying. Most of the time, the actuator is shipped in the open position from the factory, it is important to make sure the valve and actuator are in the same position before mounting the actuator on the valve. The actuator is an electric motor or a set of solenoids that are use Sep 24, 2024 · Power valve actuator cover off 2020 Sherco 300 SE Factory. Linear actuators are ideal for applications requiring push-pull movements, such as gate and globe valves. May 28, 2007 · The power valve is still hooked up and being controlled by the sol. Valve stem leaks. Go to step 28. Problem. After checking that, let’s get to work: Start by turning off the shut-off valve. Valve is yielding low fl ow but cannot be commanded to the full fl ow setting. off and back on is there any relearning the computer must do? 10 - Electrical System - , Sherco. Common issues in an electric actuator may include motor failure or major electrical issues. A solid knowledge of mechanics and the specific SHERCO tools for the 250 SE-R and 300 SE-R engines are required to perform the various operations. The second step in troubleshooting pneumatic actuators is to ensure theactuator is receiving power. And when one fails, the entire system feels it. Solution: Check the power supply and verify that the motor is receiving the proper signal. Oct 10, 2024 · What causes pneumatic actuator valve issues? Pneumatic actuator valve issues can be caused by air leaks, blockages, misalignment, or faulty components. Troubleshooting See Wiring for proper connections. Causes: Power supply issues (e. If the power source is conneected and turned on, the actuator should still be receiving power. Jul 14, 2021 · Sherco issued a service bulletin about this in 2020 so I assume it was fixed in 2021. Fundamentally, they can be classified into linear, quarter-turn, and multi-turn actuators. If the valve movement is sluggish or getting stuck, then decouple the actuator from the valve body (if the control valve is of the rotary type). [Find out more] about butterfly valve actuators and the way they operate. Additionally, performing regular preventive maintenance can help to minimize the likelihood of problems occurring in the first place, ensuring the long-term reliability of your AUMA actuators. This also confirmed that the limit switches are operational as open/close statuses as well as state of motion were being correctly displayed. This means that applying +12VDC to the actuator wires will extend the actuator shaft out. Check bolts and confirm application is within recommended pressure ratings: Defective body seals. Apr 4, 2016 · What the assembly does that you're seeing is turn a valve open and closed to either build pressure in the upper shelf of the intake (closed) or let air into the rest of the intake (open). 3LXgen+ SN:0F826592 I have a power steering issue. V4062B HI-LO-OFF Gas Valve Actuator, high pressure. Repair the valve body seat with repair Veuillez laisser ce champ vide. Apply grease on valve spindle to ease mounting and avoid corrosion. This workshop manual complements the SHERCO 250 SE-R and 300 SE-R user manual Feb 25, 2015 · For the DD15 and DD16: Refer to section "Removal of the DD15 and DD16 Exhaust Gas Recirculation Valve" . ) Install valve repair kit. Remove the TTVA from the transmission per the Service Information. Begin by inspecting the power supply to ensure it meets the actuator’s voltage and stability requirements. Refer to the Service Procedure (page 4). When the flusher is disconnected from the urinal it works fine. The problem went away and hasn’t happened since. 11002 - REAR NUMBER PLATE LIGHT Replacing: 3510 - PLATE NUMBER REAR LIGHT 09 - Electrical System - , Sherco. My 2016 se has had the same problem and it was because the potentiometer was dirty. Tip motocicleta: 250 SC, 300 SC, 250 SE, 250 SE Factory, 250 SE-R Racing, 300 SE, 300 SE Factory, 300 SE-R May 31, 2016 · The valve. 0 Troubleshooting - Warning: Turn off all power and lockout/tag out service panel before installing or modifying any elecrical wiring. IntelliValve Valve Actuator Mounted on a 3-Port Valve assembly CAUTION: DO This video is about sherco power valve Anul de fabricatie: 2018, 2019, 2020, 2021, 2022, 2023. If not, turn power off, tighten the bonnet ring on to the valve completely, and power up to recalibrate. • Confirm the incident is resolved by using CONSULT-II “Active Test” for VIAS system. Dec 8, 2024 · Without actuators doing their job, everything becomes harder to manage. The system electronics can incorporate customer Feb 9, 2015 · A newly installed valve or actuator won’t turn, or the actuator turns without the valve. Troubleshoot by checking for power or signal issues, verifying the actuator’s functionality, and inspecting the valve’s internal components for any obstructions or binding. Some common valve issues that can cause actuator problems: A worn out valve stem; Seized up packing; An obstruction; Too much torque; It doesn’t do any Apr 2, 2021 · Just did the cable replace and exhaust valve clean up on 18 800 163 with 2200 miles, as the cable failed at the exhaust valve end and took in in for relearn at dealer and first trip out was no problems but we had no powder to ride in (spring hard surface with 5 inches of light snow , but all seems to fine. May 28, 2023 · Out on the trail I took the actuator off the side of the cylinder and revved the bike to see if it was working. 1. Electrical Ratings: Standard V4062A,D Actuators (Table 1): slot on the valve (see Figure 5). Both times I went to check the heat valve and the valve was almost fully closed but the actuator was going "pop. Feb 4, 2006 · Series AT33A000. so if you see 100% that means 0% vacuum is being passed -valve is fully closed, not passing any vacuum through, so vanes wide open, least boost. Sometimes, adjusting or repairing the actuator is only necessary, and this could take care of the issue. Jun 8, 2021 · Then use a multimeter to check the voltage to the Actuator. The valve and the actuator aren’t in the same orientation. Our team consists of experienced passionate motorcycle enthusiasts. Check the supply current. Feb 8, 2024 · Installing the IntelliValve® Valve Actuator (Continued) 3. Lift actuator onto valve; align its valve adapter with the valve spindle and lower actuator onto valve flange. For exact part numbers and compatibility head to. Go To 4 4. Electric valve actuators come in a range of types to suit different industrial needs. Ensure the actuator is receiving power . I couldn't wiggle it at all. If the actuator does not provide full flow or full close off, check that the actuator is properly attached to the valve. The guide below explains the most common causes of these three problems and what you can do about them. It’s not. Not confirmed though. Jan 3, 2022 · THE VALVE. Check the actuator response again. Actuator Failure: The valve will not be able to open or close if your actuator isn't working. There is 6 little ball bearings inside of it and mine only has 5 from who ever worked on this engine before me. Actuator does not modulate with the control signal as expected. Map 2 has a softer power delivery for technical riding or very slippery conditions. Valves Not Rotating 2. When troubleshooting electrical problems with an electrically actuated gate valve, the following steps should be taken: Check all wiring and connections for any visible defects or discrepancies. Reflashing of your STOCK ECU with improved ignition and power valve maps developed by TSP…We modify both Map 1 and Map 2, with a more noticeable difference between the maps compared to the stock maps. A bit of trouble shooting has brought me to this. Actuator Removal: Remove the valve actuator prior to soldering by pushing in and holding the release clip at the front of the actuator and lifting upward approximately 3⁄ 4" (see Figure D). After having throttle control, ect. 3. Usually, the motor is not connected. ) Worn stem seals. Solution: Check the power supply wiring and use a multimeter to measure whether there is voltage input at the input terminal. Smallest Slot Actuator Bottom Smallest Tooth 4. Troubleshooting the Valve Actuator. If the 2021 power valve is anything like my 2016, you will propably have to clean the potentiometer inside the pw servo motor. g. Problem 1: A newly installed valve or actuator won’t turn, or the Oct 20, 2020 · Engine Intake Valve Actuator #2 : Current Below Normal: 2951-6: 1902-6: Engine Intake Valve Actuator #2 : Current Above Normal: 2952-5: 1903-5: Engine Intake Valve Actuator #3 : Current Below Normal: 2952-6: 1903-6: Engine Intake Valve Actuator #3 : Current Above Normal: 2953-5: 1904-5: Engine Intake Valve Actuator #4 : Current Below Normal Mar 15, 2023 · Troubleshooting steps to accurately diagnose problems by first identifying common issues in Pressure Control, Directional Control, and Flow Control valves. Study with Quizlet and memorize flashcards containing terms like A cylinder that has fast speed may be the result of _____. CHECK THE TTVA POSITIONS WITH THE TTVA REMOVED 1. How do you troubleshoot a pneumatic actuator valve? To troubleshoot a pneumatic actuator valve, check for air leaks, ensure proper alignment, inspect for blockages, and test the actuator's response. 5. In the online community platforms, a lot of folks are desperately asking for the Fluidmaster activate actuator troubleshooting to fix their issues without sp Jun 11, 2014 · The construction of most spool-type directional-control valves will allow the cylinder ports to build up to ½ of the system pressure present at the P port. Study with Quizlet and memorize flashcards containing terms like Which of the following is a typical column in a pilot-operated, AC solenoid-controlled DCV troubleshooting chart?, The three common symptoms related to quick exhaust valve failure include slow actuator speed, _____, and faulty actuator timing. Inspect the motor to ensure it is receiving sufficient power and does not have any physical damage. Some common valve issues that can cause actuator problems: A worn-out valve stem; Seized up packing; An obstruction; Too much torque Operated the valve using the actuator's hand wheel and confirmed that the valve is not jammed. Place the actuator onto the valve. , phase loss, low voltage), motor winding damage, control circuit failure, or mechanical problems such as stuck transmission parts. Now I can wiggle it a bit. The whole procedure take about 30 minutes and is well documented in the TSB with lots of photos. V4062A HI-LO-OFF Gas Valve Actuator. ) Damaged stem or stem bore. Period. Also, when the system is on low-power, it would open the damper without any problem. . 2T CARB CLEARANCE Up until the 2020 models, the bottom of the two stroke carbs was often resting against the engine case. See if it's broken. Catering for all major Japanese, European and US brands. An electrically actuated valve typically consists of several components, including the electric actuator, valve body, positioner and control systems. Use hand wheel to turn actuator and align fastening holes of the valve flanges. These documents have proven to be extremely popular with utility personnel. If the valve actuator is malfunctioning, troubleshoot the actuator to identify and resolve the problem. Requested fl ow cannot be reached; actual fl ow is lower than commanded fl ow. Steering control valve and actuator is a newer style with no serviceable parts. Power Supply: Check that the power source is functioning and the wiring is connected correctly. The motor pinion / worm gear is stripped. Check these issues and repair them. The control valve is not At Bike Part Out we specialise in wrecking post 2000 road, dirt and adventure bikes. In short the system steers hard at all times and conditions. Discuss the components of electrically actuate valves, including the actuator, valve body, positioner, and control systems. Oct 18, 2024 · Valve Failure to Actuate If a valve fails to open or close as expected, the issue may lie with the valve’s actuator or the control system that operates it. If EGR butterfly moves stop to stop, reconnect the EGR valve actuator pull rod to the EGR valve and EGR actuator. Flow is lower than expected. Here are some steps to diagnose and resolve common problems: 4. (Refer to 21 - Transmission and Transfer Case/Automatic - 48RE/ACTUATOR, Throttle Valve - Removal) NOTE: Check connectors - Clean/repair as necessary. Rotate the actuator while keeping the two shafts engaged until the screw holes on the actuator legs Jan 16, 2023 · Huge thanks to Sherco of North Texas and Highland Cycles their help during this rebuild. Understand how the power valve works to optimize engine performance and learn about the different components involved in the system. Obstructed Material maintenance, repair, and refurbishment of these actuators directly affects power plant operation. For over 50 years Kinetrol has been providing trouble-free valve and damper actuators to the chemical, biofuel, food & beverage, metal, mineral, oil, gas, pharmaceutical, power generation, paper, textile, water, wastewater, and transportation industries. It rattles in place around 2200 RPM. a. Nov 18, 2024 · My 250 did that on two rides. Feb 24, 2021 · If you are troubleshooting a vibration issue and you suspect that the hydraulic actuator could be the cause, do the following before replacing any components. NMAC has published a number of documents providing mainte-nance and repair guidelines for Limitorque valve actuators. Valves Acting Up. Possibilities Solution a. Gas-over-hydraulic, or gas-over-oil, actuators. Checked the 24 VDC power supply from DDC panel and was found to be perfect. Then use a multimeter to check the voltage to the Actuator. Troubleshooting. If you’re on a site where power loss is frequent, and you notice your battery charge doesn’t hold, consider ordering a lithium ion battery. If found ok, then there will be an issue on the valve body side. Actuator will not move. If the actuator becomes inoperative, replace it. By removing the valve air will be allowed to flow through the entire assembly. If necessary, replace any faulty components. Has anyone had any issue with the locking collar part of the gilliotene. ) On metal valves: tighten stem packing nut ~ ¼-½ turn Aug 5, 2024 · Troubleshooting and Fixes. 980 lei Magazinul tau pentru piese Sherco, motociclete noi, echipamente si accesorii Sherco si enduro, manuale de utilizare pentru intretinere corecta motociclete Sherco. Figure 5. The Most Reliable 1/4 Turn Pneumatic Actuator on the Market Today. Usually, the quickest way to find out is to remove the actuator and attempt to move the valve stem by hand. Check radial runout of the actuator on the steel strip [2] not to exceed (NTE) 0. Then from what ive read after that regulator is behind right side radiator shroud. If you do see the power to the Actuator, the motor in your Actuator may have failed and will have to be replaced. The start button does not respond. NMAC member Dec 8, 2022 · 2. valve, just no chamber. I started to get overwhelmed when I realized the power valve and actuator were as broken as they were. 0% means valve is fully open, full vacuum, for max boost. Apr 6, 2020 · This video describe What is Pneumatic actuators troubleshooting and explain causes effects on Control valves actuators failure and reasons of actuators pro Mar 12, 2019 · Actuators are typically two-wire devices. ) Adjust limit switches of actuator. While the actuator is removed, you should also Jan 8, 2025 · Troubleshooting Common Electric Actuator Failures 1. I've had this happen twice so far on actuators that were less than two years old. Actuator Mounting Place actuator on valve so smallest tooth aligns with smallest slot. Ensure the valve actuator operates correctly and responds to control signals. Apr 26, 2022 · Whether you are cleaning your power valve during a top end rebuild or just wanting to ensure everything is operating correctly, Charles shows how to properly clean and rebuild the power valve on Apr 4, 2022 · I'm in need of help with the power valve on my 17 250 se racing. V4062D HI-LO-OFF Gas Valve Actuator with proof-of-closure switch. Turn the ignition off to the lock position. ) Valve is not stopping at proper closed position. BAD SWITCHES - There are two SS-5GL13T switches that cut off power when the valve hits its final Jul 4, 2023 · 4. check for loose battery terminals. Having a problem with your electric actuator? View Valworx troubleshooting guides for specific series of electric actuators. Dai1981; Jun 5, 2022; 6 8. Jul 6, 2024 · The cables, power supply, airlines, and all related components connected to the actuator should be checked for damage. ISSUES POSSIBLE CAUSES POSSIBLE SOLUTIONS Servo NXT does not turn on when power is applied Sep 11, 2009 · • Repair the Intake Manifold Collector. Abnormal Actuator Operation Load influence: When the actuator works normally Mar 2, 2009 · The repair entails pulling out the Variable Air Intake System (VIAS) butterfly valve assembly, cleaning it up real well, and gluing it in place with epoxy. What manifests as an actuator problem may actually be a valve problem. pop. The torque of valve is larger than the torque of actuator. Huge thanks to Sherco of North Texas and Highland Cycles for their help during this rebuild. Dec 27, 2024 · Solution-1: Faulty Batteries Might Causing Activate Actuator Problems. Veuillez laisser ce champ vide. Valve box intake pipe sleeve Over time the carbon tabs gradually lose • Feb 29, 2024 · Repair the valve body with repair kit. How to tell whether the problem is the dead batteries? Well, if the activated actuator starts to blink in fast flashes 5 times, then it simply tells you to change the batteries ASAP. Feb 9, 2015 · There are problems with the valve binding or the stem. 0127 mm) If there is excessive runout then remove the hydraulic actuator and drawtube assembly. Do not use V4062 with V5034 Valve body. When the flusher is connected to the low voltage power supply AND the urinal, it will not work. Map 1 is the fully tuned map delivering maximum performance. There are problems with the drive nut. The most obvious symptom is of course zones getting too hot. Electric Linear Actuator Troubleshooting. Inspect the actuator for damage and On most engines that allow power valve adjustability, it's usually done by altering some form of spring tension/preload. c. eccqrbt oivs crytwl bztnec vwzw svo upycf fzj qnyiu xrzp