Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | ©

2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by

or licensed to Nautilus, Inc.

AD6 Airdyne

Service Manual

Upright Bike

Page Number

Service Manual

8003113.010117.D

Table of Contents

Summary of Contents for Schwinn AD6 Airdyne

Page 1: Table Of Contents
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by...
Page 2: Important Safety Instructions
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 3: Safety Warning Labels And Serial Number
18225 NE Riverside Parkway, Portland, Or. 97230 40mm www.nautilus.com propriétaire et avec tous les avertissements Phone:1-800-NAUTILUS avant d’utiliser cette machine. Model: Schwinn®Airdyne®AD6 • Soyez prudent lorsque vous utilisez cet Serial Number Rating: NA équipement pour ne pas vous infliger de graves Class: SA, HA,...
Page 4: Maintenance
MAINTENANCE Read all maintenance instructions fully before you start any repair work. In some conditions, an assistant is required to do the necessary tasks. Equipment must be regularly examined for damage and repairs. The owner is responsible to make sure that regular maintenance is done.
Page 5: Replacing The Console Batteries
Replacing the Console Batteries The Console will display “Lbatt” for ten seconds when the batteries are around 10% of their rated power during power up. When replacing the batteries, make sure the batteries point in the +/- direction shown in the battery bay. Note: The console uses AA size batteries (LR6).
Page 6: Moving / Leveling The Machine
Moving the Machine The machine may be moved by one or more persons depending on their physical abilities and capacities. Make sure that you and others are all physically fit and able to move the machine safely. Use proper safety precautions and lifting techniques.
Page 7: Locking The Fan Assembly / Storage
Locking the Fan Assembly / Storage When the machine is not in use, be sure to lock the Fan Assembly with the Transport and Immobilization Strap. The fan assembly should be locked for storage of the machine. For safe storage of the machine, remove the batteries and install the Transport and Immobilization Strap to secure the Resistance Fan.
Page 8: Troubleshooting
TROUBLESHOOTING Condition/Problem Things to Check Solution Console will not power up/ Batteries Make sure batteries are installed correctly. If batteries are turn on/start correctly installed, replace with a set of new batteries. Check data cable integrity All wires in cable should be intact. If any are visibly crimped or cut, replace cable.
Page 9 Unit rocks/does not sit Check leveler adjustment Leveling feet may be turned in or out to level bike. level Check surface under unit Adjustment may not be able to compensate for extremely un- even surfaces. Move bike to level area. Pedals loose/unit difficult Check pedal to crank con- Pedal should be tightened securely to crank.
Page 10: Console Service Mode
CONSOLE SERVICE MODE The Console Service Mode lets you set the units of measurement to either English or Metric, see the total time and distance the machine has been used, adjust the altitude value for a more accurate calorie count, or find out which version of Firmware is installed.
Page 11: Maintenance Parts Exploded View
Maintenance Parts Foot Peg, Right Seat Adjustment Knob Connector Arm Handlebar, Right Frame Arm Pivot Handlebar, Left Stabilizer, Rear Console Cable, Lower Foot Peg, Left Shroud, Left Resistance Fan Assembly Water Bottle Holder Crank Arm, Left Fan Cover Console Center Plate Leveler Locking Knob Pedal, Left...
Page 12: Replacement Procedure Skill Level
REPLACEMENT PROCEDURE SKILL LEVEL Level I : Low - very little mechanical knowledge or exposure. Level II : Intermediate - some experience with mechanical procedures Level III : Advanced - knowledgeable about mechanical procedures...
Page 13: Adjust The Drive And Crank Belts
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 14 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. 1. Remove the 3 indicated screws (with arrows) from the Crank Arm using a 14 mm Socket Wrench and a 4 mm hex wrench.
Page 15 7. If both Adjustment Nuts have been tightened, but the Drive Belt still has some movement, adjust the Fan Tensioner Bolts. 8. Using a 10 mm wrench, gradually turn the Fan Tension Adjustment Nuts (on both sides, clockwise) until the Drive Belt can barely be pushed at its mid-point.
Page 16: Replace The Arm Pivot Assembly
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 17 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Note: The images in this procedure show the Left Shroud being removed. The procedure is the same for either side of the machine. 1.
Page 18 4. Using a 6 mm hex wrench, remove the two indicated screws from the Foot Peg and remove it. Handlebar 5. Remove the Handlebar from the Arm Pivot Assembly. Foot Peg 6. Using a 14 mm socket wrench, remove the indicated screw from the Connector Arm.
Page 19 8. Slide the Arm Pivot Assembly off of the machine. Note: When removing the Arm Pivot Assembly, be aware of the washer locations to assist with re-assembly. 9. Installation is the reverse procedure. Note: Be sure when attaching the Crank Arm that all three pieces (Crank Arm, Crank Cover, and Connector Arm) are properly aligned before install- ing ANY hardware.
Page 20: Replace The Crank Belt
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 21 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. 1. Remove the 3 indicated screws (with arrows) from the Crank Arm using a 14 mm socket wrench and a 4 mm hex wrench.
Page 22 9. Using a 15 mm wrench, remove the Eye Bolt Securing Nut from both sides of the machine. Eye Bolt Securing Nut 10. Using a 10 mm wrench, loosen the Belt Tension Adjustment Nut and remove the Eye Bolt. Note: To assist with re-assembly, be aware that the Eye Bolt has a slight bend and must be reassembled in the same orientation.
Page 23 12. Gradually work the Pulley Assembly out of the Bracket. Pulley Assembly Keep fingers out of any pinch opportunities when removing the Pulley Assembly. 13. Lift the Pulley Assembly and remove the Crank Belt from it. Crank Belt 14. Remove the Crank Belt from the Crank Pulley and slide it off the length of the Connector Arm.
Page 24 18. Gradually tighten the Belt Tension Adjustment Nuts by a full turn, alternating between each side. Continue until the Crank Belt (700- 800N) and the Drive Belt (400N) can barely be pushed downward at their mid-point. 19. Using a 15 mm wrench, attach the Securing Nuts for the Eye Bolt on both sides of the machine.
Page 25: Replace The Drive Belt / Fan Assembly
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 26 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. 1. Remove the 3 indicated screws (with arrows) from the Crank Arm using a 14mm socket wrench and a 4 mm hex wrench.
Page 27 9. Using a 15 mm wrench, remove the Eye Bolt Securing Nut from both sides of the machine. Eye Bolt Securing Nut 10. Using a 10 mm wrench, loosen the Belt Tension Adjustment Nut and remove the Eye Bolt. Note: To assist with re-assembly, be aware that the Eye Bolt has a slight bend and must be reassembled in the same orientation.
Page 28 12. Gradually work the Pulley Assembly out of the Bracket. Pulley Assembly Keep fingers out of any pinch opportunities when removing the Pulley Assembly. 13. Lift the Pulley Assembly and remove the Crank and Drive Belts from it. Place the Pulley Assembly back in the Bracket. Crank Belt Keep fingers out of any pinch opportunities when removing the Pulley Assembly.
Page 29 16. Using a #2 Phillips screwdriver, remove the indicated screws from the Foot Step Pad, and remove it. Foot Step Pad 17. Using a #2 Phillips screwdriver, remove the screw that was below the Foot Step Pad. 18. Using a #2 Phillips screwdriver, remove the 2 indicated screws from each side of the Fan Assembly.
Page 30 19. Using a #2 Phillips screwdriver, remove the Fan Cage Bracket from both sides of the machine. 20. Using a 15 mm wrench, remove the Eye Bolt Securing Nut from both Fan Cage Bracket sides of the machine. Fan Tension Adjustment Nut 21.
Page 31 24. Route the Fan Belt into the new Fan Assembly, and over onto the Fan Assembly Pulley. 25. Insert the new Fan Assembly with Fan Belt into the Frame Assem- bly. Inner Locking Nut Note: It may be necessary to slightly adjust the Inner Locking Nuts to allow the Fan Assembly to fit back into the Frame Assembly.
Page 32 Be sure when attaching the Crank Arm that all three pieces (Crank Arm, Crank Cover, and Connector Arm) are properly aligned before installing ANY hardware. The Crank Cover may have rotated during the Crank Arm removal. Connector Arm Final Inspection Inspect your machine to ensure that all hardware is tight and components are properly assembled.
Page 33: Replace The Input/Output (I/O) Cable
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 34 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. 1. Using a 6 mm hex wrench, remove the two indicated screws from the Console Support Bar Assembly.
Page 35 5. Using a #2 Phillips screwdriver, remove the 4 indicated screws from the Console. 6. Lift the Console only enough to expose the Cable Connectors behind it. 7. Disconnect the Input/Output (I/O) Cable from the Console. 8. With a small piece of string or wire, attach an end of the new I/O Cable to the other end of the old I/O Cable.
Page 36: Replace The Connector Arm
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 37 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Note: The images in this procedure show the Left Shroud being removed. The procedure is the same for either side of the machine. 1.
Page 38 4. Using a 6 mm hex wrench, remove the two indicated screws from the Foot Peg. Note: Be aware that the Foot Peg will fall if not supported during the Handlebar hardware removal. 5. Remove the Handlebar from the Arm Pivot Assembly. Foot Peg 6.
Page 39 9. Place a piece of cardboard or cloth rag below the Connector Arm to protect the floor. 10. Using the supplied Removal Plate and Hardware, attach it to the Con- nector Arm and tighten ONLY until hardware is snug. 11. Using a 10 mm wrench, gradually tighten the Removal Plate Hard- ware equally between the two screws until the Connector Arm discon- nects.
Page 40 13. To reattach the Connector Arm, insert the Largest Screw from Step 1 with the supplied Spacer into the Connector Arm. Spacer 14. Using a 14 mm socket and wrench, tighten the Largest Screw with the Spacer fully. Largest Screw 15.
Page 41: Replace The Crank Arm
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 42 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Note: The images in this procedure show the left side of the machine. The procedure is the same for either side. 1.
Page 43: Replace The Foot Step Pad
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 44 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. 1. Remove the 3 indicated bolts from the Crank Arm using a 14mm socket wrench and a 4 mm hex wrench Note: Be aware that the Crank Arm and Pedal will fall if not supported during the hardware removal.
Page 45 5. Using a #2 Phillips screwdriver, remove the indicated screws from the Foot Step Pad. 6. Remove the Foot Step Pad and replace it. 7. Installation is the reverse procedure. Note: Be sure when attaching the Crank Arm that all three pieces (Crank Arm, Crank Cover, and Connector Arm) are properly aligned before install- ing ANY hardware.
Page 46: Replace The Shrouds
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 47 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Note: The images in this procedure show the Left Shroud being removed. The procedure is the same for either side of the machine. 1.
Page 48: Replace The Spindle
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2013 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 49 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. 1. Remove the 3 indicated screws from the Crank Arm using a 14mm socket wrench and a 4 mm hex wrench Note: Be aware that the Crank Arm and Pedal will fall if not supported during the hardware removal.
Page 50 9. Using a 15 mm wrench, remove the Eye Bolt Securing Nut from both sides of the machine. Eye Bolt Securing Nut 10. Using a 10 mm wrench, loosen the Belt Tension Adjustment Nut and remove the Eye Bolt. Note: To assist with re-assembly, be aware that the Eye Bolt has a slight bend and must be reassembled in the same orientation.
Page 51 12. Gradually work the Pulley Assembly out of the Bracket. Pulley Assembly Keep fingers out of any pinch opportunities when removing the Pulley Assembly. 13. Lift the Pulley Assembly and remove the Crank and Drive Belts from Crank Pulley 14. Remove the Crank Belt by sliding it forward off of the Connector Arm.
Page 52 15. Place a piece of cardboard or cloth rag below the Connector Arm to protect the floor. 16. Using the supplied Removal Plate and Hardware, attach it to the Connector Arm and tighten ONLY until hardware is snug. 17. Using a 10 mm wrench, gradually tighten the Removal Plate Hardware equally between the two screws until the Connector Arm disconnects.
Page 53 21. To reattach the Connector Arm, insert the Largest Screw from Step 1 Spacer with the supplied Spacer into the Connector Arm. 22. Using a 14 mm socket wrench, tighten the Largest Screw with the Spacer fully. Largest Screw 23. Installation is the reverse procedure. 24.
Page 54 30. Using a 15 mm wrench, attach the Securing Nuts for the Eye Bolt on both sides of the machine. 31. Be sure when attaching the Crank Arm that all three pieces (Crank Arm, Crank Cover, and Connector Arm) are properly aligned before installing ANY hardware.
Page 55: Replace The Speed Sensor
Nautilus, Inc., (800) NAUTILUS / (800) 628-8458, www.NautilusInc.com - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2017 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Schwinn and Airdyne are trademarks owned by or licensed to Nautilus, Inc.
Page 56 To reduce the risk of electrical shock or usage of the equipment, always remove the batteries from the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. 1. Remove the 3 indicated screws (with arrows) from the Crank Arm using a 14 mm socket wrench and a 4 mm hex wrench Note: Be aware that the Crank Arm and Pedal will fall if not supported during the hardware removal.
Page 57 Note: This part of the procedure is easier with two people. 6. Lift the Console Support Bar Assembly only enough to expose the Speed Sensor Cable Connectors. 7. Disconnect the Speed Sensor Cables and place the Console Support Bar Assembly on the floor safely out of the work area. Speed Sensor Cable Connectors 8.
Page 58 11. Insert the new Speed Sensor Assembly into the Frame Assembly from the lower opening. 12. Insert the Speed Sensor Magnet into the Magnet Mount. Be sure to place the Speed Sensor Magnet the same distance in the Magnet Mount as the old assembly.

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