Nautilus T624 Service Manual
  1. Manuals
  2. Brands
  3. Nautilus Manuals
  4. Treadmill
  5. T624
  6. Service manual

Nautilus T624 Service Manual

Schwinn 530; schwinn 570
Hide thumbs Also See for T624:
Table of Contents

Advertisement

Quick Links

See also: Assembly and Owner's Manual

Table of Contents

Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc., 18225 NE Riverside Parkway, Portland, OR 97230 USA | ® indicates trademarks registered in the United States. These
marks may be registered in other nations or otherwise protected by common law. Nautilus, the Cam logo, Nautilus Trainer, Nautilus Connect, Schwinn Connect, and Schwinn are trademarks owned by or licensed to Nautilus, Inc.
Polar
®
, OwnCode
®
, Bluetooth
®
, iTunes
®
, Google
Nautilus
T624/T626/T684/T686 and Schwinn
™
TM
, MyFitnessPal
®
, WD-40
®
, and Lube-N-Walk
Service Manual
2
3
Replace the Middle I/O Cable
5
7
7
8
9
10
Replace the Lower I/O Cable
13
Replace the Motor
13
Replace the Motor Mount
14
17
17
18
18
19
21
25
28
30
30
31
32
32
34
34
36
®
are trademarks of their respective owners. |
1
530/570 Treadmills
®
ORIGINAL DOCUMENT - ENGLISH VERSION ONLY
Service Manual
8007810.011515.A
38
42
49
55
58
61
64
68
76
81
85
89
93
99
107
110
114
121
124
129
133
143
146
149
152
160
168

Advertisement

Table of Contents
loading

Related Manuals for Nautilus T624

Summary of Contents for Nautilus T624

  • Page 1: Table Of Contents

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc., 18225 NE Riverside Parkway, Portland, OR 97230 USA | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Nautilus, the Cam logo, Nautilus Trainer, Nautilus Connect, Schwinn Connect, and Schwinn are trademarks owned by or licensed to Nautilus, Inc.

  • Page 2: Important Safety Instructions

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Nautilus, the Cam logo, Nautilus Trainer, Nautilus Connect, Schwinn Connect, and Schwinn are trademarks owned by or licensed to Nautilus, Inc. Polar...

  • Page 3: Safety Warning Labels And Serial Number

    Safety Warning LabeLS and SeriaL number T626 Product Specification Serial Number WARNING: keep young children away from this machine at all times. Contact with the moving surface may result in severe Tilt Restraining Device friction burns. - Locked Tilt Restraining Device - Unlocked...
  • Page 4 T624 / T686 / T684 / 570 / 530 WARNING: keep young children away from this machine at all times. Contact with the moving surface may Product Specification result in severe friction burns. Serial Number...

  • Page 5: Specifications

    Complies with the following: ISO 20957 Compliant SAA Compliant Connectivity: Maximum User Weight: 136 kg (300 lbs) T624 / T684 Total Surface Area (footprint) of equipment: 16387 cm Power Requirements: Operational Voltage: 220V - 240V AC, 50Hz 146.3 cm Operating Current: 57.6”...
  • Page 6 136 kg (300 lbs) Maximum User Weight: Total Surface Area (footprint) of equipment: 17522.4 cm Power Requirements: Operational Voltage: 220V - 240V AC, 50Hz Operating Current: 146.3 cm ( 57.6” ) 43.7 cm (17.2 inches) Maximum Inclined Deck Height: Approx. 97.5 kgs (215 lbs) Assembled Weight: 196 cm Less than 70 db average without...

  • Page 7: Earthing Instructions

    Earthing Instructions This product must be electrically earthed. If a malfunction occurs, correct earthing decreases the risk of electric shock. The power cord is equipped with an equipment-earthing conductor, and must be connected to an outlet that is properly installed and earthed.

  • Page 8: Moving The Machine

    Moving the Machine The machine can be moved by one or more persons. Use caution when you move the machine. The treadmill is heavy and can be awkward. Make sure that your own physical strength is capable of moving the machine. Use a second person if necessary.

  • Page 9: Unfolding The Machine

    Roll the machine on the transport wheels to its new location. Do not put objects where the walking deck would be if lowered. NOTICE: Move the machine carefully so that it does not hit other objects. This can damage the Console operation. Prior to use, refer to the “Unfolding the Machine”...

  • Page 10: Tilting The T626 Machine

    Tilting the T626 Machine onto a Side Do not tilt the machine until the Tilt Restraining Device has been attached and is locked to the Walking Deck. Because of the hydraulic lift attached to the Walking Deck, the Deck will move as the machine is tilted onto the side. The Tilt Restraining Device limits the movement of the Walking Deck.
  • Page 11 Unfold the Walking Deck Slightly push the Walking Deck forward toward the front of the machine. With your left foot lightly push the top part of the hydraulic lift forward until the locking tube releases and you can pull the walking deck slightly toward the rear of the machine.
  • Page 12 When complete with the procedure that required the machine to be tilted, return it to an upright orientation. A second person is required to assist with the tilting of the machine. Use proper safety precautions and lifting techniques. Bend your knees and elbows, keep your back straight and pull up equally with both arms. Make sure that your own physical strength is capable of tilting the machine until it rests on the side.

  • Page 13: Leveling The Machine

    Leveling the Machine The machine needs to be leveled if your workout area is uneven. To adjust: Place the machine in your workout area. Adjust the levelers until they all contact the floor. Do not adjust the levelers to such a height that they detach or unscrew from the machine. Injury to you or damage to the machine can occur.

  • Page 14: Connectivity

    This fitness machine is equipped with a USB Port and can export your Workout Results to a USB Flash Drive. With the Workouts exported from the fitness machine, connect the USB Flash Drive to a computer and upload the file to your Nautilus Connect™...
  • Page 15 This fitness machine is equipped with a USB Port and can export your Workout Results to a USB Flash Drive. With the Workouts exported from the fitness machine, connect the USB Flash Drive to a computer and upload the file to your Nautilus Connect™...
  • Page 16 Note: Nautilus Connect™ will automatically sync your workouts with MyFitnessPal after the initial syncing. ® A User’s Guide for Nautilus Connect™ can be found online at www.nautilusconnect.com/how-to-use/. 570 / 530 Export Workout Results to USB Flash Drive This fitness machine is equipped with a USB Port and can export your Workout Results to a USB Flash Drive. With the Workouts exported from the fitness machine, connect the USB Flash Drive to a computer and upload the file to your Schwinn Connect™...

  • Page 17: 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 18: Adjusting The Belt Tension

    Adjusting the Belt Tension If the walking belt starts to slip during use, it is necessary to adjust the tension. Your treadmill has tension bolts at the rear of contact your local distributor for replacement labels the treadmill. Before you adjust the belt tension, start the treadmill by pushing the START button. Be sure not to touch the walking belt or step on the power cord.

  • Page 19: Lubricating The Walking Belt

    Lubricating the Walking Belt Your treadmill is equipped with a low maintenance deck and belt system. Belt friction can affect the function and life of the machine. Lubricate the belt every 3 months or every 25 hours of use, whichever comes first. Even if the treadmill is not in use, silicone will dissipate and the belt will dry out.
  • Page 20 Connect the power cord back into the machine and then into the wall outlet. Turn on the power to the machine with the power switch. 10. Stay to one side of your machine and start the belt at the slowest speed. Let the belt operate for approximately 15 seconds.

  • Page 21: Maintenance Parts

    Maintenance Parts T626 / T686 / 570 Console Assembly Grip, Upper Right Heart Rate Chest Strap Safety Key Port Grip, Lower Right Upright, Left Base Shroud, Right Grip, Lower Left Contact Heart Rate Sensor Base Cable Grip, Upper Left Console Cable Base Assembly Tray, Left Right Upright Cable...
  • Page 22 Maintenance Parts ( Frame ) Front U V W Back Power Switch Base Support Incline Adjuster Fuse Deck Cushioners Pivot Assembly Power Input Transport Wheel GG Belt Tensioner Motor Cover Leveler Rear Roller Cover Side Foot Support Rails Lifting Cylinder Tilt Restraining Device (T626 only)
  • Page 23 T624 / T684 / 530 Console Assembly Tray, Right Handlebar Shroud, Right Safety Key Port Right Upright Cable Upright, Left Upright, Right Base Shroud, Left Contact Heart Rate Sensor Base Shroud, Right Handlebar Shroud, Left Console Cable Base Cable Power Cord...
  • Page 24 BB AA Back Fuse Base Support Incline Adjuster Power Switch Deck Cushioners Pivot Assembly Power Input Transport Wheel Belt Tensioner Motor Cover Leveler Side Foot Support Rails Lifting Cylinder...

  • Page 25: Troubleshooting

    trOubLeShOOting Condition/Problem Things to Check Solution No display/partial display/ Check electrical (wall) Make sure unit is plugged into a functioning wall outlet. Test the unit will not turn on outlet outlet with a known functioning device such as a lamp. Check connection at front Connection should be secure and undamaged.
  • Page 26 Condition/Problem Things to Check Solution Console shuts off (enters Check electrical (wall) Make sure unit is plugged into a functioning wall outlet. Test the sleep mode) while in use outlet outlet with a known functioning device such as a lamp. Check connection at front Connection should be secure and undamaged.
  • Page 27 Condition/Problem Things to Check Solution Unit operates but incline MCB Connections Unplug unit from electrical outlet for 5 minutes. Inspect Incline does not adjust Motor Assembly cables and be sure they are properly connected to MCB and not cut or crimped. If any are cut or crimped, re- place Incline Motor Assembly.

  • Page 28: Console Setup Mode

    COnSOLe SetuP mOde T626 / T686 The Console Setup Mode lets you control the sound settings ( on/off ), adjust the date and time, or see maintenance statistics (Total Run Hours and Software Version– for service technician use only). Hold down the PAUSE/STOP button and Right button together for 3 seconds while in the Power-Up Mode to go into the Console Setup Mode.
  • Page 29 T624 / T684 / 530 / 570 The Console Setup Mode lets you control the sound settings ( on/off ), adjust the date and time, or see maintenance statistics (Total Run Hours and Software Version– for service technician use only).

  • Page 30: Console Engineering Mode

    engineering mOde ENGINEERING MODE is a sub-menu from the CONSOLE SETUP MODE. Most of the options contained within the Engineering Mode are for Ser- vice Technicians and should not need to be used by a user. To access the Engineering Mode: 1. From the Power Up (or Welcome) screen, push and hold down the PAUSE/STOP button and Right arrow button for about 5 seconds to go into the Console Setup Mode.

  • Page 31: 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 32: Adjust The Walking Belt

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 33 Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ® models. 1. Run the machine at 1 mph to see which way the Walking Belt needs to be moved.

  • Page 34: Part Replacement

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 35 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...

  • Page 36: Replace The Motor Control Board Cover

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 37 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...

  • Page 38: Replace The Console And Handlebar Assembly

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 39 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 40 5. Using a #2 Phillips screwdriver, remove the 8 indicated screws from Upper Handlebar Shrouds. Note: there are no Upper Handlebar Shrouds on the Nautilus T624/T684 ™ and Schwinn 530 machines. ® 6. Using a 6mm hex wrench, remove the indicated hardware from the Uprights. 7. Slightly pull the right side of the Console upward enough to expose the Input/Output (I/O) Cable from the Right Upright, and disconnect it.
  • Page 41 9. With the new Console and Handlebar Assembly, connect the I/O Cables and attach it to the Uprights. Note: this step may take two people to safely hold the Console and Handlebar Assembly and connect the Cables. Do not crimp the Cables. 10.
  • Page 42 Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 43 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 44 4. Using a #2 Phillips screwdriver, remove the 8 indicated screws from Upper Handlebar Shrouds. Note: there are no Upper Handlebar Shrouds on the Nautilus T624/T684 ™ and Schwinn 530 machines ® 5. Using a 6mm hex wrench, remove the indicated hardware from the Uprights. 6. Slightly pull the right side of the Console upward enough to expose the Input/Output (I/O) Cable from the Right Upright, and disconnect it.
  • Page 45 8. Make sure that there is safe clearance around, on and above the tread- mill. Make sure there is no object to spill or cause blockage from the fully folded position. Be sure there is adequate height clearance for the raised deck. 9.
  • Page 46 12. Using a 6mm hex wrench, remove the hardware from the Right Up- right. Slightly remove the Right Upright from the Base Assembly exposing the Input/Output (I./O) Cables. Disconnect the I/O Cables and remove the Right Upright. Note: do not crimp cables. 13.
  • Page 47 16. Place the Base Shrouds back onto the Base Assembly. 17. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine.
  • Page 48 21. Re-install all remaining parts that were removed in reverse order. Note: when re-attaching the Console Backing, be sure to attach the hard- ware marked with the ( * ) first, then the hardware with the ( ** ), followed by the remaining hardware. 22. Final Inspection Inspect your machine to ensure that all hardware is tight and components are properly assembled.

  • Page 49: Replace The Right Upright

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 50 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 51 4. Using a #2 Phillips screwdriver, remove the 8 indicated screws from Upper Handlebar Shrouds. Note: there are no Upper Handlebar Shrouds on the Nautilus T624/T684 ™ and Schwinn 530 machines ® 5. Using a 6mm hex wrench, remove the indicated hardware from the Uprights. 6. Slightly pull the right side of the Console upward enough to expose the Input/Output (I/O) Cable from the Right Upright, and disconnect it.
  • Page 52 8. Make sure that there is safe clearance around, on and above the tread- mill. Make sure there is no object to spill or cause blockage from the fully folded position. Be sure there is adequate height clearance for the raised deck. 9.
  • Page 53 12. Using a 6mm hex wrench, remove the hardware from the Right Up- right. Slightly remove the Right Upright from the Base Assembly exposing the Input/Output (I./O) Cables. Disconnect the I/O Cables and remove the Right Upright. Note: do not crimp cables. 13.
  • Page 54 15. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine. 16. Make sure there is no object on or around the treadmill to spill or cause blockage from the fully unfolded position.

  • Page 55: Replace The Circuit Breaker

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 56 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 57 7. Re-install all remaining parts that were removed in reverse order. 8. Final Inspection Inspect your machine to ensure that all hardware is tight and compo- nents are properly assembled. Do not use until the machine has been fully assembled and inspected for correct performance in accordance with the Owner’s Manual.

  • Page 58: Replace The Power Inlet

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 59 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 60 5. Remove the connectors and attach them to the new Power Inlet. Be sure to attach them in the same locations on the new Power Inlet. 6. Insert the new Power Inlet into the Frame being sure the Securing Clips engage. 7. Re-install all remaining parts that were removed in reverse order. 8.

  • Page 61: Replace The Rocker Switch (On/Off)

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 62 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 63 5. Remove the connectors and attach them to the new Rocker Switch. Be sure to attach them in the same locations on the new Rocker Switch. 6. Insert the new Rocker Switch into the Frame being sure the Secur- ing Clips engage. 7. Re-install all remaining parts that were removed in reverse order. 8.

  • Page 64: Replace The Speed Sensor Assembly

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 65 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 66 4. Using a #2 Phillips screwdriver, remove the 2 screws that attach the Speed Sensor to the Frame near the Drive Pulley. Note: Be sure to observe the distance from the Speed Sensor to the Drive Pulley. This distance affects the effectiveness of the Speed Sensor and will be used for the re-assembly process.
  • Page 67 7. Attach the new Speed Sensor Connector to the Motor Control Board. 8. Route the new Speed Sensor Cable along the Frame. 9. Using replacement Zip-Ties, secure the Speed Sensor Cable to the Frame and trim the excess from the Zip-Ties. Be sure not to cut the Speed Sensor Cable.
  • Page 68 Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 69 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 70 4. Using a #2 Phillips screwdriver, remove the 8 indicated screws from Upper Handlebar Shrouds. Note: there are no Upper Handlebar Shrouds on the Nautilus T624/T684 ™ and Schwinn 530 machines ® 5. Using a 6mm hex wrench, remove the indicated hardware from the Uprights. 6. Slightly pull the right side of the Console upward enough to expose the Input/Output (I/O) Cable from the Right Upright, and disconnect it.
  • Page 71 8. Make sure that there is safe clearance around, on and above the tread- mill. Make sure there is no object to spill or cause blockage from the fully folded position. Be sure there is adequate height clearance for the raised deck. 9.
  • Page 72 12. Using a 6mm hex wrench, remove the hardware from the Right Up- right. Slightly remove the Right Upright from the Base Assembly exposing the Input/Output (I./O) Cables. Disconnect the I/O Cables and remove the Right Upright. Note: do not crimp cables. Lower I/O Cable 13.
  • Page 73 14. Using a #2 Phillips screwdriver remove the 2 indicated screws from MCB Cover the MCB Cover and remove it. 15. Remove the Lower I/O Cable connector from the Motor Control Board after noting the location. Lower I/O Cable Motor Control Note: Be sure to note where the Lower I/O Cable attaches for re-assem- Board (MCB) bly.
  • Page 74 18. Connect the Input/Output (I/O) Cables and Attach the Right Upright to Frame Assembly Note: this step may take two people to safely hold the Right Upright while the Cables are connected. Do not crimp the Cables. Do not fully tighten the Hardware until the Console and Handlebar Assembly has been at- tached.
  • Page 75 24. Re-install all remaining parts that were removed in reverse order. Note: when re-attaching the Console Backing, be sure to attach the hardware marked with the ( * ) first, then the hardware with the ( ** ), followed by the remaining hardware. 25. Final Inspection Inspect your machine to ensure that all hardware is tight and compo- nents are properly assembled.
  • Page 76 Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 77 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 78 4. Remove the connectors for the Motor from the Motor Control Board after noting their locations. Note: Be sure to note where all cables attach for re-assembly. Motor Control Board (MCB) Motor Connectors 5. Be sure to observe the distance from the Speed Sensor to the Drive Pulley. This distance affects the effectiveness of the Drive Belt Speed Sensor, and can easily be shifted accidentally during Drive Pulley...
  • Page 79 9. Using a 6mm hex wrench, remove the indicated screws from the Motor Mount. Remove the Drive Belt and rotate the Motor Assembly exposing the Motor Mount. 10. Cut the 3 Zip-Ties that secure the Motor Cables. Motor Cables Zip-Tie 11.
  • Page 80 17. With the Motor Assembly loosely attached to the Frame, turn the Belt Tensioner Screw to the previous level. This will tighten the Drive Belt to the previous tension level. 18. Using a 6mm hex wrench, fully tighten the screws that attach the Motor Assembly to the Frame. 19.
  • Page 81 Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 82 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The pro- cedure is the same for the Nautilus™ T624/T684/T686 and Schwinn ®...
  • Page 83 8. Using a 6mm hex wrench, remove the indicated hardware from the Motor Mount. 9. Attach the new Motor Mount to the Motor. Be sure the Belt Tensioner Screw is properly oriented toward the rear of the machine when the Motor is re-installed.
  • Page 84 14. With the Motor Assembly loosely attached to the Frame, turn the Belt Tensioner Screw to the previous level. This will tighten the Drive Belt to the previous tension level. 15. Using a 6mm hex wrench, fully tighten the screws that attach the Motor Assembly to the Frame. 16. Re-connect the Motor Ground Wire to the Frame. Note: Do not crimp the cable.

  • Page 85: Replace The Drive Belt

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 86 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 87 7. Using a 6mm hex wrench, remove the indicated screw from the Front Front Roller Roller. 8. Lift and pivot the Front Roller out of the Frame. This will free the Drive Belt from the Front Roller. 9. Replace the old Drive Belt with the new Drive Belt around the Front Roller.
  • Page 88 14. With the Motor Assembly loosely attached to the Frame, turn the Belt Tensioner Screw to the previous level. This will tighten the Drive Belt to the previous tension level. 15. Using a 6mm hex wrench, fully tighten the screws that attach the Motor Mount to the Frame. 16. Inspect the Speed Sensor to see if it has been moved during the procedure. If necessary, adjust it to be the ap- propriate distance from the Drive Pulley.

  • Page 89: Replace The Motor Control Board (Mcb)

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 90 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 91 4. Remove the connectors from the Motor Control Board after noting their locations. Note: Be sure to note where all cables attach for re-assembly. 5. Using a #2 Phillips screwdriver, remove the 2 indicated screws that attach the Motor Control Board (MCB) to the Frame. 6. Remove old Motor Control Board, and install the new Motor Control Board.
  • Page 92 7. Re-install all remaining parts that were removed in reverse order. 8. Attach the power cord and turn on the Treadmill by fl ipping the power switch to ON. 9. From the Power Up (or Welcome) screen, push and hold down the PAUSE/STOP button and Right arrow button for about 5 seconds to go into the Console Setup Mode. The Console display will show the Date prompt with the current setting. 10. Push the OK button 4 times until the Console displays the TOTAL RUN HOURS screen. 11. Push and hold down the PAUSE/STOP button and Right arrow button for about 5 seconds to go into the Engineering Mode. The Console display will show the current Firmware Version.

  • Page 93: Replace The Incline Motor Assembly

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 94 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 95 Incline Motor Potentiometer Cables Incline Motor Cables...
  • Page 96 5. Make sure that there is safe clearance around, on and above the treadmill. Make sure there is no object to spill or cause blockage from the fully folded position. Be sure there is adequate height clearance for the raised deck. 6. Using the support bar found below the rear of the walking belt, lift the walking deck fully upward and engage the hydraulic lift.
  • Page 97 10. Using a 16mm and a 17mm wrench in the Motor Compart- ment, remove the hardware from the Incline Motor Assembly. Remove the Incline Motor Assembly noting how it extends from Incline Motor Assembly the Motor Compartment through to the Incline Weldment. 11.
  • Page 98 18. Attach the power cord and turn on the Treadmill by flipping the power switch to ON. 19. From the Power Up (or Welcome) screen, push and hold down the PAUSE/STOP button and Right arrow button for about 5 seconds to go into the Console Setup Mode. The Console display will show the Date prompt with the current setting. 20. Push the OK button 4 times until the Console displays the TOTAL RUN HOURS screen. 21. Push and hold down the PAUSE/STOP button and Right arrow button for about 5 seconds to go into the Engineering Mode.

  • Page 99: Replace The Bottom Motor Cover

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 100 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 101 4. Using a #2 Phillips screwdriver, remove the 8 indicated screws from Upper Handlebar Shrouds. Note: there are no Upper Handlebar Shrouds on the Nautilus T624/T684 ™ and Schwinn 530 machines. ® 5. Using a 6mm hex wrench, remove the indicated hardware from the Uprights. 6. Slightly pull the right side of the Console upward enough to expose the Input/Output (I/O) Cable from the Right Upright, and disconnect it.
  • Page 102 8. Make sure that there is safe clearance around, on and above the tread- mill. Make sure there is no object to spill or cause blockage from the fully folded position. Be sure there is adequate height clearance for the raised deck. 9.
  • Page 103 12. Using a 6mm hex wrench, remove the hardware from the Left Upright. Be prepared to support the Upright when the hardware is removed. 13. Using a 6mm hex wrench, remove the hardware from the Right Up- right. Slightly remove the Right Upright from the Base Assembly exposing the Input/Output (I./O) Cables.
  • Page 104 18. With the assistance of at least a second person, flip the Base Assembly until the Walking Belt rests on the ground. As the machine is flipped, the Lifting Shock will extend and pivot the Base Frame and Incline Frame Weldments. Be sure to be clear of any pinch opportunities and not to grasp the Base Assembly from these shifting parts. Do not grasp the Walking Belt since it can abruptly move.
  • Page 105 25. With the assistance of at least a second person, flip the Base Assembly to the Upright position. Be aware that the Lifting Shock will begin to compress when placed back to an upright position, lowering the Base Assembly. Be sure the area is clear around the Base Assembly before flipping it. Do not grasp the Walking Belt since it can abruptly move. 26.
  • Page 106 28. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine. 29. Make sure there is no object on or around the treadmill to spill or cause blockage from the fully unfolded position.

  • Page 107: Replace The Rear Roller Cover

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 108 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The pro- cedure is the same for the Nautilus™ T624/T684/T686 and Schwinn ®...
  • Page 109 6. Using a #2 Phillips screwdriver remove the indicated screw from the Rear Roller Cover. 7. Remove the old Rear Roller Cover, and attach the new Rear Roller Cover using a #2 Phillips screwdriver. 8. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side.

  • Page 110: Replace The Side Rail

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 111 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 112 5. Using the support bar found below the rear of the walking belt, lift the walking deck fully upward and engage the hydraulic lift. Be sure that the hydraulic lift is correctly locked in place. You will hear an audible click when the hydraulic lift shifts into the locked position. Rear Roller Use proper safety precautions and lifting techniques. Bend your Cover knees and elbows, keep your back straight and pull up equally with both arms.
  • Page 113 9. Using a #2 Phillips screwdriver, remove the 6 indicated screws from below the Walking Deck that attach the Side Rail. 10. Remove the old Side Rail from the Walking Deck and attach the new Side Rail with the 6 screws. 11.

  • Page 114: Replace The Walking Deck

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Nautilus, the Cam logo, and Schwinn are trademarks owned by or licensed to Nautilus, Inc. WD-40 and Lube-N-Walk are trademarks of their respective owners.
  • Page 115 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 116 on the walking deck and make sure that it does not move. When you do this, keep clear of movement path in case the treadmill lock is not engaged. Do not lean against the treadmill when it is folded. Do not put items on it that could cause it to become unstable or fall.
  • Page 117 11. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine. 12. Make sure there is no object on or around the treadmill to spill or cause blockage from the fully unfolded position.
  • Page 118 16. Using a 6mm hex wrench, remove the 4 screws (2 indicated with ar- rows) from each side of the Walking Deck. Walking Deck 17. Slide the old Walking Deck Assembly out of the Walking Belt, and flip over so the Walking Belt Guides are exposed. Walking Deck Walking Belt Note: the Walking Deck is designed for wear on both sides of it. If this is Guides the first time removing the Walking Deck, a replacement Deck may not be required.
  • Page 119 Note: Make sure the treadmill is located on a surface that is easy to clean. 22. Make sure that there is safe clearance around, on and above the treadmill. Make sure there is no object to spill or cause blockage from the fully folded position.
  • Page 120 30. The hydraulic lift is set up to drop gradually. Hold onto the walking deck until approximately 2/3 of the movement down. Make sure that you use proper lifting technique; bend your knees and keep your back straight. Be aware that the walking deck can possibly drop quickly in the last part of the movement.

  • Page 121: Replace The Deck Suspension

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 122 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 123 7. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine. 8. Make sure there is no object on or around the treadmill to spill or cause blockage from the fully unfolded position.

  • Page 124: Replace The Front Roller

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 125 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 126 4. Using a #2 Phillips screwdriver remove the 2 indicated screws from the MCB Cover MCB Cover and remove it. 5. Be sure to observe the distance from the Speed Sensor to the Drive Pulley. This distance affects the effectiveness of the Speed Sensor, and Drive Belt can easily be shifted accidentally during replacement procedures.
  • Page 127 9. Lift and pivot the Front Roller out of the Frame. This action will free the Drive Belt with the Front Roller contained within the Walking Belt. 10. Slide the Front Roller out of the Walking Belt and replace with the new Front Roller in the same orientation.
  • Page 128 19. Attach the power cord and turn on the Treadmill by flipping the power switch to ON. 20. From the Power Up (or Welcome) screen, push and hold down the PAUSE/STOP button and Right arrow button for about 5 seconds to go into the Console Setup Mode. The Console display will show the Date prompt with the current setting. 21. Push the OK button 4 times until the Console displays the TOTAL RUN HOURS screen. 22. Push and hold down the PAUSE/STOP button and Right arrow button for about 5 seconds to go into the Engineer- ing Mode.

  • Page 129: Replace The Rear Roller

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 130 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 131 6. Make sure that the locking mechanism is engaged. Carefully pull back on the walking deck and make sure that it does not move. When you do this, keep clear of movement path in case the treadmill lock is not engaged. Do not lean against the treadmill when it is folded.
  • Page 132 11. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine. 12. Make sure there is no object on or around the treadmill to spill or cause blockage from the fully unfolded position.

  • Page 133: Replace The Walking Belt

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise protected by common law. Nautilus, the Cam logo, and Schwinn are trademarks owned by or licensed to Nautilus, Inc. WD-40 and Lube-N-Walk are trademarks of their respective owners.
  • Page 134 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 135 on the walking deck and make sure that it does not move. When you do this, keep clear of movement path in case the treadmill lock is not engaged. Do not lean against the treadmill when it is folded. Do not put items on it that could cause it to become unstable or fall.
  • Page 136 11. Using a #2 Phillips screwdriver remove the 3 indicated screws from the Right Deck Suspension. Note: there are only 2 screws attaching the Deck Suspension on the Nautilus T624, T684, and Schwinn 530 machines. ™ ® 12. Remove the Right Deck Suspension.
  • Page 137 18. Using a #2 Phillips screwdriver remove the 2 indicated screws from MCB Cover the MCB Cover and remove it. 19. Be sure to observe the distance from the Speed Sensor to the Drive Pulley. This distance affects the effectiveness of the Speed Sensor, and can easily be shifted accidentally during replacement procedures.
  • Page 138 23. Lift and pivot the Front Roller out of the Frame, and slide it out of the Walking Belt. This will free the Drive Belt from the Front Roller. 24. Using a 6mm hex wrench, remove the 2 indicated screws from the Deck.
  • Page 139 26. Slide the old Walking Belt off of the Deck, and replace with a new Walking Belt. 27. Slide the Front Roller into the new Walking Belt in the same orientation. 28. Using a 6mm hex wrench, re-attach the Adjustment Bolt to the Rear Roller. Note: be sure to only tighten it the number of turns it took to loosen the Walking Belt.
  • Page 140 Note: Make sure the treadmill is located on a surface that is easy to clean. 38. Make sure that there is safe clearance around, on and above the treadmill. Make sure there is no object to spill or cause blockage from the fully folded position. Be sure there is adequate height clearance for the raised deck.
  • Page 141 46. The hydraulic lift is set up to drop gradually. Hold onto the walking deck until approximately 2/3 of the movement down. Make sure that you use proper lifting technique; bend your knees and keep your back straight. Be aware that the walking deck can possibly drop quickly in the last part of the movement.
  • Page 142 59. Final Inspection Inspect your machine to ensure that all hardware is tight and components are properly assembled. Do not use until the machine has been fully assembled and inspected for correct performance in accordance with the Owner’s Manual.

  • Page 143: Replace The Deck Wheel And Shroud

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 144 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 145 5. Using a #2 Phillips screwdriver, remove the two indicated screws (with arrows) from the Deck Wheel Shroud. 6. Using a 13mm wrench and a 6mm hex wrench, remove the hardware indicated (by the oval) from the Deck Wheel. 7. Re-install all remaining parts that were removed in reverse order. 8. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side.

  • Page 146: Replace The Transport Wheel

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 147 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 148 5. Using a 13mm wrench and a 6mm hex wrench, remove the indicated hardware from the Transport Wheel. 6. Using a 13mm wrench and a 6mm hex wrench, attach the new Trans- port Wheel to the Frame Assembly. 7. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine.

  • Page 149: Replace The Lift Shock

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 150 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 151 maintenance steps involving these components. Do not try to do heavy or awkward steps on your own. 6. Using a 13mm wrench and a 6mm hex wrench, remove the indicated hardware from the Lift Shock. Note: be sure to note the orientation of the Lock Release for re-assembly. 7.

  • Page 152: Replace The Incline Weldment

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 153 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 154 4. Using a #2 Phillips screwdriver, remove the 8 indicated screws from Upper Handlebar Shrouds. Note: there are no Upper Handlebar Shrouds on the Nautilus T624/T684 ™ and Schwinn 530 machines ® 5. Using a 6mm hex wrench, remove the indicated hardware from the Uprights. 6. Slightly pull the right side of the Console upward enough to expose the Input/Output (I/O) Cable from the Right Upright, and disconnect it.
  • Page 155 8. Make sure that there is safe clearance around, on and above the tread- mill. Make sure there is no object to spill or cause blockage from the fully folded position. Be sure there is adequate height clearance for the raised deck. 9.
  • Page 156 12. Using a 6mm hex wrench, remove the hardware from the Left Upright. Be prepared to support the Upright when the hardware is removed. 13. Using a 6mm hex wrench, remove the hardware from the Right Up- right. Slightly remove the Right Upright from the Base Assembly exposing the Input/Output (I./O) Cables.
  • Page 157 18. With the assistance of at least a second person, flip the Base Assembly until the Walking Belt rests on the ground. As the machine is flipped, the Lifting Shock will extend and pivot the Base Frame and Incline Frame Weldments. Be sure to be clear of any pinch opportunities and not to grasp the Base Assembly from these shifting parts. Do not grasp the Walking Belt since it can abruptly move.
  • Page 158 24. Connect the Input/Output (I/O) Cables and attach the Up- rights to the Frame Assembly Note: this step may take two people to safely hold the Right Upright while the Cables are connected. Do not crimp the Cables. Do not fully tighten the Hardware until the Console and Handlebar Assembly has been attached.
  • Page 159 26. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side. This is the recom- mended safe distance for access, movement and emergency dismounts from the machine. 27. Make sure there is no object on or around the treadmill to spill or cause blockage from the fully unfolded position.

  • Page 160: Replace The Base Frame Weldment

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 161 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 162 4. Using a #2 Phillips screwdriver, remove the 8 indicated screws from Upper Handlebar Shrouds. Note: there are no Upper Handlebar Shrouds on the Nautilus T624/T684 ™ and Schwinn 530 machines. ® 5. Using a 6mm hex wrench, remove the indicated hardware from the Uprights. 6. Slightly pull the right side of the Console upward enough to expose the Input/Output (I/O) Cable from the Right Upright, and disconnect it.
  • Page 163 8. Make sure that there is safe clearance around, on and above the tread- mill. Make sure there is no object to spill or cause blockage from the fully folded position. Be sure there is adequate height clearance for the raised deck. 9.
  • Page 164 12. Using a 6mm hex wrench, remove the hardware from the Left Upright. Be prepared to support the Upright when the hardware is removed. 13. Using a 6mm hex wrench, remove the hardware from the Right Up- right. Slightly remove the Right Upright from the Base Assembly exposing the Input/Output (I./O) Cables.
  • Page 165 18. With the assistance of at least a second person, flip the Base Assembly until the Walking Belt rests on the ground. As the machine is flipped, the Lifting Shock will extend and pivot the Base Frame and Incline Frame Weldments. Be sure to be clear of any pinch opportunities and not to grasp the Base Assembly from these shifting parts. Do not grasp the Walking Belt since it can abruptly move.
  • Page 166 24. Connect the Input/Output (I/O) Cables and attach the Up- rights to the Frame Assembly Note: this step may take two people to safely hold the Right Upright while the Cables are connected. Do not crimp the Cables. Do not fully tighten the Hardware until the Console and Handlebar Assembly has been attached.
  • Page 167 26. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 2 m (79”) and 0.6 m (24”) on each side. This is the recom- mended safe distance for access, movement and emergency dismounts from the machine. 27. Make sure there is no object on or around the treadmill to spill or cause blockage from the fully unfolded position.

  • Page 168: Replace The Choke And Filter

    Nautilus, Inc., www.NautilusInc.com - Customer Service: technics@nautilus.com | © 2015 Nautilus, Inc. | ® indicates trademarks registered in the United States. These marks may be registered in other nations or otherwise ORIGINAL DOCUMENT - ENGLISH VERSION ONLY protected by common law.
  • Page 169 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and the machine and wait 5 minutes before cleaning, maintaining or repairing the machine. Place the power cord in a secure location. Note: The Nautilus™ T626 is used in the following images. The procedure is the same for the Nautilus™ T624/T684/T686 and Schwinn 530/570 ®...
  • Page 170 4. Using a #2 Phillips screwdriver, remove the hardware that attaches the Filter to the Frame. Filter 5. Remove the connectors from the old Filter and attach to the new Filter. Be sure not to crimp any cables. Note: Be sure to note where all cables attach for re-assembly. 6. Using a #2 Phillips screwdriver, attach the new Filter to the Frame.
  • Page 171 11. Attach the power cord and turn on the Treadmill by flipping the power switch to ON. 12. From the Power Up (or Welcome) screen, push and hold down the PAUSE/STOP button and Right arrow button for about 5 seconds to go into the Console Setup Mode. The Console display will show the Date prompt with the current setting. 13. Push the OK button 4 times until the Console displays the TOTAL RUN HOURS screen. 14. Push and hold down the PAUSE/STOP button and Right arrow button for about 5 seconds to go into the Engineering Mode. The Console display will show the current Firmware Version. 15. Push the Down arrow button 4 times until the Console displays “RUN MCB CAL”.

This manual is also suitable for:

T684T626T686

Table of Contents