Hayward AquaNaut Troubleshooting Manual
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Hayward AquaNaut Troubleshooting Manual

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®
®
Hayward AquaNaut
Troubleshooting Guide
Copyright 2015 Hayward Industries Inc.

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Summary of Contents for Hayward AquaNaut

  • Page 1 ® ® Hayward AquaNaut Troubleshooting Guide Copyright 2015 Hayward Industries Inc.
  • Page 2 Table of Contents Safety Precautions………………………………… ……….. Page 1 Two Wheeled vs. Four Wheeled Versions……….……….. Page 2 RPMs ………………………………………………. ……….. Pages 3 - 4 Checking for obstructions in cleaner…………....Pages 5 - 7 Cleaner does not move…………………………………….. Page 8 Cleaner moves too slow / Right wheel doesn’t turn……... Page 9 Right wheel skips / Cleaner hose coiling………………….

  • Page 3: Safety Precautions

    Safety Precautions • Never use your hand to verify the amount of vacuum at the skimmer or dedicated suction line. • Keep hands and fingers away from the access cover and any moving part while the cleaner is operating. • Never operate the cleaner with people or pets in the pool.
  • Page 4 Two Wheeled Version (200) vs. Four Wheeled Version (400) An easy way to determine which model is recommended for a given pool is to imagine a 40’ long pool. If the suction port or skimmer is half way from one end, then the 2 Wheel model will be the right one.

  • Page 5: Rpms

    RPMs The most common problem is that the cleaner is not getting enough suction, or is getting too much suction, which causes improper wheel speed. Common symptoms of HIGH RPMs would be: • Cleaner is falling on its side (this can also be floats on leader hose missing). •...

  • Page 6: Rpms

    RPMs Step 1: Looking from the rear of the cleaner with the cleaner under water, count how many times the right front wheel hump turns around in one minute. Wheel RPM should be between 11 and 14. Step 2: If the wheel RPM is not between 11 and 14, the suction to the cleaner must be adjusted to allow for proper operation.

  • Page 7: Checking For Obstructions In Cleaner

    Checking For Obstruction in Cleaner Step 1: Rotate the Right front wheel forward. If it Step 2: Remove the Step 3: Remove the doesn’t move, there’s an two screws that hold the Handle. obstruction. Do not Handle. attempt to turn Left wheel.
  • Page 8 Checking For Obstruction in Cleaner Step 5: Visually inspect the cleaner and remove any Step 4: Remove the Step 5: Remove the debris found in the Turbine, screw that holds the Shroud. Reduction Gears, Wheel Shroud. Hubs, etc. Page 6...

  • Page 9: Checking For Obstructions In Cleaner

    Checking For Obstruction in Cleaner If the cleaner has something stuck in it, the right front wheel will not turn. If the wheel turns but ratchets, something is worn or broken. Parts that need to be inspected include: Front Drive Assembly ( right Wheel Hub Large Drive Gear drive PVXH019SA and...

  • Page 10: Cleaner Does Not Move

    Cleaner Does Not Move • The pump may be turned off or on low speed. Make sure the pump is ON. • The three way valve may be in the wrong position. If you have a designated suction port, divert suction away from your skimmers or main‐drains to the suction port. If you are using the skimmer, divert suction away from the main‐drain to the skimmer.
  • Page 11 Cleaner Moves Too Slow (low RPMs) • If using a multi-speed pump, make sure the speed setting is correct. • Clean and backwash the filter, also clean the pump strainer basket. • Make sure the vacuum hose is free from debris and leaks. •...
  • Page 12 Right Wheel Skips When Turned By Hand • Wheel Hub (PVX051-236) and/or Shaft Bearing Assembly (PVXH019SA) may be worn or damaged. Cleaner Hose Coiling • The hoses may have been stored in a coiled position. Lay them straight in the sunlight.

  • Page 13: Cleaner Not Cleaning Entire Pool

    Cleaner Not Cleaning Entire Pool • The vacuum hose is too short. The hoses must be one to two lengths longer than the farthest point from attachment.(See manual) • The float(s) may be in the wrong position. The Float(s) should be 20”‐25” from the gray cuff (head of the cleaner) (See manual).

  • Page 14: Cleaner Climbing Too High

    Cleaner Climbing Too High • Too much suction (flow). Decrease the suction to the cleaner to lower the RPMS. • The tire treads may be worn and/or the skirts maybe worn, hence increasing the suction under the machine. See below for how to check tire wear.
  • Page 15 Cleaner Floats Or Comes Out Of Suction Outlet When Pump Turns Off • Air in system. When the pump shuts off the air goes towards the path of least resistance and pops out the hose from the suction outlet. Fix the air leak. Usually O‐ring on pump lid or fitting on inlet to pump.

  • Page 16: Wheels Are Wobbly / Cleaner Falls On Its Side

    Cleaner Wheel(s) Are Wobbly • Wheel Hub Bearings may be worn and need replacement. Cleaner Falls On Its Side And Takes Too Long To Recover • The vacuum hose is too short. The hoses must be one to two lengths longer than the farthest point from attachment. (See manual) •...

  • Page 17: Changing The Turbine Hub

    Changing The Turbine Hub Step 1: Remove the two front wheels by removing the insert clips that hold the wheels to the axle, then slide the wheels away from the body. Page 15...
  • Page 18 Changing The Turbine Hub Step 2: Remove Handle screws and Step 3: Remove Shroud assembly. handle. Then remove Shroud screw. Step 5: Remove Shaft Retainer by Step 4: Remove steering slide assembly lifting up with flathead screwdriver. (left) with shaft and 2 springs. Page 16...
  • Page 19 Changing The Turbine Hub Step 6: Remove stainless steel shaft from left to Step 7: Remove turbine hub right by tapping a screwdriver on the shaft with a and replace with new turbine rubber mallet until the shaft comes through on hub.
  • Page 20 Changing The Turbine Hub Step 8: Re-Install shaft from right to left. Step 9: Insert steering slide assembly through the turbine hub, then through the three gears and cam. Page 18...
  • Page 21 Changing The Turbine Hub Step 10: Ensure the gears, vanes and Step 11: Tap Shaft back into drive gear assembly move freely by position. Install the Shaft rotating the front drive gear shaft forward. Retainer with the square tab facing towards the rear of the cleaner.

  • Page 22: Changing The Turbine Hub

    Changing The Turbine Hub Step 12: Install Front Shroud Screw, then Step 13: Replace the wheel assemblies. Handle and two screws. Page 20...

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