Table of Contents
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Table of Contents
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Mechanical / Modification Procedures
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Adjust the Walking Belt
Part Replacement
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Replace the Circuit Breaker
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Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.
com | Printed in China | © 2022 Nautilus, Inc. | Bowflex, JRNY and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other
ORIGINAL DOCUMENT - ENGLISH VERSION ONLY
nations. |
8029631.071522.A
Bowflex
BXT8J / BXT8Ji Treadmills
™
Service Manual
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Service Manual
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Related Manuals for Bowflex BXT8J
Summary of Contents for Bowflex BXT8J
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Page 1: Table Of Contents
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational. com | Printed in China | © 2022 Nautilus, Inc. | Bowflex, JRNY and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other ORIGINAL DOCUMENT - ENGLISH VERSION ONLY nations. -
Page 2: Important Safety Instructions
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. Google... -
Page 3: Safety Warning Labels And Serial Number
When the machine is not operation, remove the Safety Key and moving surface may result in severe keep out of the reach of children. friction burns. (This label is only available on the BXT8Ji is only available on the BXT8J (The label in English and French machine in English.) Canadian.) WARNING! HAZARDOUS VOLTAGE. -
Page 4: Specifications
SPECIFICATIONS Power Requirements: 120V 220V Operational Voltage: 110-127V AC, 60Hz 220V - 240V AC, 50/60Hz Operating Current: 15 A 159.5 cm Heart Rate Chest Strap: 1 CR2032 battery (62.8 in) Maximum User Weight: 136 kg. (300 lbs) Total Surface Area (footprint) of equipment: 16,468 cm Maximum Inclined Deck Height: 43.7 cm (17.2 in) 198.1 cm... -
Page 5: Grounding Instructions
Grounding Instructions (for a 120V AC system ) This product must be grounded. If it should malfunction or break down, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. This product is equipped with a cord having an equipment-grounding conductor and a grounding plug. The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances. -
Page 6: Emergency Stop Procedure
Emergency Stop Procedure The Treadmill machine is equipped with a Safety Key that can prevent serious injury, as well as prevent children from playing with and/or being injured on the machine. If the Safety Key is not correctly inserted into the Safety Key Port, the belt will not operate. Always attach the Safety Key Clip to your clothing during your workout. -
Page 7: Moving And Storing The Machine
Storage and 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. 1. -
Page 8: Unfolding The Machine
7. 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 properly engaged. Do not lean against the treadmill when it is folded. - Page 9 Place the machine on a clean, hard, level surface, free from unwanted material or other objects that may hamper your ability to move freely with a sufficient clear workout area. A rubber mat below the machine is recommended to prevent electrostatic discharge and protect your floor. Be sure that the workout space you are utilizing has adequate height clearance, taking into consideration the height of the user and the maximum incline of the deck.
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Page 10: 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 11: Using Your Jrny™ Membership With Machine
Using your JRNY™ membership with your machine If you have a JRNY™ membership*, it can be accessed through your device when synced to the console of this Bowflex™ machine. With a JRNY™ membership, you receive guided workouts adapted to your capabilities, conveniently displayed on your device, and friendly virtual voice coaching designed to support you on your journey to long-term fitness success. -
Page 12: 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 13: Aligning The Walking Belt
Be sure not to touch a moving walking belt or step on the power cord. Keep bystanders and children away from the product you are servicing at all times. Use a 6 mm hex key to turn the right and left belt adjustment bolts clockwise a 1/2 turn, first one bolt and then the other bolt. After you adjust each side the 1/2 turn, start the belt and do a test to see if the belt stopped slipping. -
Page 14: Heart Rate Chest Strap Battery Replacement
Unplug the treadmill fully from the wall outlet, and remove the power cord from the machine. To reduce the risk of electrical shock, always unplug the power cord and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. Note: Make sure the treadmill is located on a surface that is easy to clean. -
Page 15: Maintenance Parts
Maintenance Parts A Console Assembly Right Upright Cable (I/O) Crossbar B Safety Key Port Right Upright Grounding Cable Base Shroud, Left C Fan K Upright, Right Upright, Left D Contact Heart Rate Sensor Handlebar Shroud, Right Handlebar Shroud, Left E Console Cable (I/O) M Base Shroud, Right Power Cord F Console Grounding Cable... - Page 16 Maintenance Parts ( Frame ) Front Back Power Switch Rear Roller Motor Fuse Walking Deck Incline Adjuster Power Input Base Support Lift Handle Motor Control Board (MCB) Cover Deck Cushioners Belt Tensioner Motor Cover Transport Wheel Rear Roller Cover Side Foot Support Rails Leveler Walking Belt Drive Belt...
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Page 17: Troubleshooting
TROUBLESHOOTING Service Mode Procedures PROCEDURE 1: MCB COMMUNICATIONS TEST (I/O CABLE TEST): 1. Hold down the PAUSE/STOP button and RIGHT ARROW button together for three seconds while at the Welcome screen to enter the Console Setup Mode. Console will beep and display date information when it enters Setup Mode. 2. - Page 18 Unit will not power on, or power is on but Console does not light up BEGIN HERE Unplug the power cord from the wall outlet and the machine. Wait 5 minutes before proceed- ing. Remove the Motor Replace I/O cables and MCB Covers.
- Page 19 Noise Issues BEGIN HERE About Noises: A “thumping” noise is normal for a new machine or new Walking Belt, and will go away with with use. This is caused by the Belt conforming to the Rollers and having a “flat spot” on Is the noise a If the noise only happens thump/bump that...
- Page 20 Machine Shuts Off or Belt Stops During Workout BEGIN HERE Try another outlet. Machine will not work with If display reads some older GFI/AFI, or in Did House or +SAFETY KEY, Display On Did Console stay HOUSE Display Off houses with improperly Machine breaker remove and reinsert the on or turn off?
- Page 21 Incline Issues Does Incline Motor make any grinding/- clunking noises or move BEGIN HERE Replace Incline Motor without the rails inclining? Be patient as the Motor Issue resolved moves slowly. Reset machine power and Is the issue still follow Service Mode Does Incline Motor present? Procedure 4 to calibrate...
- Page 22 Heart Rate Issues Ensure hands are centered on the HR sensors with Contact HR or BEGIN HERE equal pressure and as little Contact Chest Strap? movement as possible without touching metal frame. Chest Strap Ensure strap is “POLAR” Dry or heavily calloused compatible and uncoded.
- Page 23 Console Issues ( page 1 of 2 If Console will not light up, follow “Unit will not power on” Troubleshooting Procedure. BEGIN HERE: If the units of measure are incorrect, follow the Owner’s Manual instructions to correct the setting before beginning these steps. No sound “+SAFETY KEY”...
- Page 24 Console Issues ( page 2 of 2 If Console will not light up, follow “Unit will not power on” Troubleshooting Procedure. BEGIN HERE: If the units of measure are incorrect, follow the Owner’s Manual instructions to correct the setting before beginning these steps. Speed is incorrect.
- Page 25 Buttons Do Not Respond If the Console powers up and the Start BEGIN HERE button beeps or causes the Display to change, then the Console is NOT defective. Cycle the power off/on. If the issue persists continue on with the troubleshooting.
- Page 26 Belt Alignment / Slipping / Hesitation Check Walking Belt Alignment (refer to BEGIN HERE “Aligning the Walking Belt” in Owner’s Manual. Are both edges of the belt covered by Align the Walking Belt plastic side covers? Can Belt be Replace Rear Roller aligned? Run the Belt at low speed and attempt...
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Page 27: Console Setup Mode
CONSOLE SETUP MODE 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. Note: Push PAUSE/STOP to exit the Console Setup Mode and return to the Power-Up Mode screen. -
Page 28: Engineering Mode
ENGINEERING MODE ENGINEERING MODE is a sub-menu from the CONSOLE SETUP MODE. Most of the options contained within the Engi- neering Mode are for Service Technicians and should not need to be used by a user. To access the Engineering Mode: 1. -
Page 29: 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 30 Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. |...
- Page 31 1. Run the machine at 1 mph to see which way the Walking Belt needs to be moved. Do not touch the Walking Belt. Be sure to keep bystanders, children and pets away from the machine. 2. Using a 6mm hex wrench on the side the belt should move away from, rotate the Adjustment Bolt a 1/4 turn clock-wise.
- Page 32 Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -...
- Page 33 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 34 4. From the front, remove the Securing Ring from the Circuit Breaker by rotating it counter-clockwise. Remove the Circuit Breaker from the Frame. 5. Remove the connectors and attach them to the new Circuit Breaker. 6. Insert the new Circuit Breaker into the Frame and install the Securing Ring.
- Page 35 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 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.
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Page 36: Replace The Console Assembly
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - 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 wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 38 5. From the front of the machine, locate the Input/Output (I/O) Cable Con- nectors from the Right Upright to the Console Assembly. Disconnect them. Do not allow the I/O Cable to fall into the Right Upright. Secure it with a Zip-Tie, rubber band or piece of wire.
- Page 39 7. Fully remove the Console Assembly from the Uprights. 8. With the new Console Assembly, attach the Console to the Uprights and then Connect the Cables Note: Be sure that the hooks on each side of the Console are seated in the notches on the Uprights.
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Page 40: Replace The Deck Suspension
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 41 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 42 5. Using a #2 Phillips screwdriver remove the 4 indicated screws from the Deck Suspensions on each side of the machine. 6. Remove the old Deck Suspensions, and replace with the new Deck Suspensions. Deck Suspension 7. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 79”...
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Page 43: Replace The Deck Wheel
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 44 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 45 8. Re-install all remaining parts that were removed in reverse order. 9. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 79” (2 m) and 19.7” (0.5 m) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine.
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Page 46: Replace The Drive Belt
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 47 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 48 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 can easily be shifted accidentally during replacement procedures. Drive Belt 6. Using a 6mm hex wrench, loosen the indicated screws (indicated by Speed Drive Pulley arrows) on the Motor Mount.
- Page 49 10. Using a 6mm hex wrench, attach the Front Roller to the Bracket. Note: Tighten the hardware until the Front Roller is centered in the Front Roller Bracket. Bracket 11. Roll the Drive Pulley clockwise until the Drive Belt is fully installed. Continue to roll the Belt forward while adding side pressure with fingers to align as necessary.
- Page 50 20. Push the Down arrow button 12 times until the Console displays “ENTR MCB CLB”. Be sure the area around the Treadmill is clear of all bystanders, children and pets. Be sure there is nothing on or under the Walking Belt, or near the Treadmill.
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Page 51: Replace The Front Roller
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 52 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 53 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 can easily be shifted accidentally during replacement procedures. Drive Belt 6. Using a 6mm hex wrench, loosen the indicated screws (indicated by Speed Drive Pulley arrows) on the Motor Mount.
- Page 54 11. Using a 6mm hex wrench, attach the Front Roller to the Bracket. Note: Tighten the hardware until the Front Roller is centered in the Front Roller Bracket. Bracket 12. Roll the Drive Pulley clockwise until the Drive Belt is fully installed. Continue to roll the Belt forward while adding side pressure with fingers to align as necessary.
- Page 55 21. Push the Down arrow button 12 times until the Console displays “ENTR MCB CLB”. Be sure the area around the Treadmill is clear of all bystanders, children and pets. Be sure there is nothing on or under the Walking Belt, or near the Treadmill.
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Page 56: Replace The Incline Motor Assembly
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 57 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 58 Incline Motor Cables Incline Motor Potentiometer Cables Note: The above photo shows the BXT8Ji machine, with Choke and Filter included.
- Page 59 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.
- Page 60 Note: Your machine may not match exactly. 9. Using two 17mm wrenches, remove the hardware from the Incline Weldment Incline Motor Assembly. Incline Motor Assembly 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.
- Page 61 13. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 79” (2 m) and 19.7” (0.5 m) on each side. This is the recommend- ed safe distance for access, movement and emergency dismounts from the machine.
- Page 62 27. 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.
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Page 63: Replace The Lift Shock
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 64 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 65 6. Using a 13mm wrench and a 6mm hex wrench, remove the indicated hardware (with ovals) from the Lift Shock Assembly. Be aware that when the Lift Shock is released from the Frame Assem- bly, the Lift Shock and Base Frame Weldment may abruptly move. Be sure to keep clear of any potential pinch opportunities from this motion.
- Page 66 14. 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.
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Page 67: Replace The Lower I/O Cable
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 68 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 69 Lower Input/Output (I/O) Cable Grounding Cable Note: The above photo shows the BXT8Ji machine, with Choke and Filter included.
- Page 70 6. 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 71 14. Gently pull the old Lower I/O Cable toward the MCB, routing the new Lower I/O Cable Lower I/O Cable through the Frame Assembly. Note: Be sure that the cables do not pinch or cut when being routed. 15. Disconnect the old Lower I/O Cable, and dispose of it appropriately. 16.
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Page 72: Replace The Middle I/O Cable
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 73 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 74 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 properly engaged.
- Page 75 12. Gently pull out the Input/Output (I/O) and Grounding Cables from the Right Upright, and disconnect them. Do not allow the Cables to fall into the Right Upright. Secure them with a Zip-Tie, rubber band or piece of wire. Note: Do not pinch or cut the Cables. Be sure not to allow the old Middle I/O Cable to fall down into the Right Upright.
- Page 76 21. The hydraulic lift is set up to drop gradually. Hold onto the walking deck until approximately 2/3 of the movement down. Lower the weight with your legs. Be aware that the walking deck can possibly drop quickly in the last part of the movement.
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Page 77: Replace The Motor
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 78 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 79 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 Note: The above photo shows the BXT8Ji machine, with Choke and Filter included.
- Page 80 5. Using a #2 Phillips screwdriver, disconnect the Motor Ground Wire from the Frame. 6. Using a 6mm hex wrench, loosen the indicated screws (by arrows) on the Drive Belt Motor Mount. Belt Tensioner Screw 7. Using a 13mm Open Ended Wrench, rotate the Belt Tensioner Screw enough to loosen the Drive Belt.
- Page 81 12. Lightly attach the Motor Assembly to the Frame. Be sure to only finger tighten the hardware. Drive Pulley 13. Loop the Drive Belt onto the Motor Pulley. With the Drive Belt looped onto the Motor, carefully roll the Drive Belt onto the Drive Pulley. Drive Belt 14.
- Page 82 26. With the area clear, push the ENTER button. The calibration procedure will begin by automatically moving the Walking Belt. Be sure not to touch or allow anyone else to touch the machine while calibration is occurring. 27. When calibration is complete, the Console will display “DONE”. 28.
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Page 83: Replace The Motor Control Board (Mcb)
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 84 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 85 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.
- Page 86 8. Attach the power cord and turn on the Treadmill by flipping the power switch to ON. 9. From the Power Up (or Welcome) screen, push and hold down the PAUSE/STOP button and Down arrow button for about 5 seconds to go into the Machine Setting Mode.
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Page 87: Replace The Motor Control Board Cover
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 88 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
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Page 89: Replace The Motor Cover
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - 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 wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
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Page 91: Replace The Motor Mount
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 92 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 93 6. Using a 6mm hex wrench, remove the indicated hardware from the Motor Mount. Motor Cables Zip-Tie 7. 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 94 12. Using a 6mm hex wrench, fully tighten the screws that attach the Motor As- sembly to the Frame. 13. Re-install all remaining parts that were removed in reverse order. 14. Attach the power cord and turn on the Treadmill by flipping the power switch to ON.
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Page 95: Replace The Power Inlet
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 96 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 97 4. Release the Securing Clips from the Power Inlet and remove it from the Frame. 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.
- Page 98 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 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.
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Page 99: Replace The Rear Roller
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - 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 wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. Side Rails 1.
- Page 101 6. Using a #2 Phillips screwdriver, remove the indicated screw (with arrow) Rear Roller from each the Rear Roller Covers. Cover 7. Remove the Rear Roller Covers and Endcap Base Shrouds. Note: To assist with reassembly, be sure to notice how the Endcap Base Shroud is secured by the Rear Roller Cover.
- Page 102 10. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 79” (2 m) and 19.7” (0.5 m) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine.
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Page 103: Replace The Rear Roller Cover
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 104 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 105 5. Re-install all remaining parts that were removed in reverse order. 6. 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.
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Page 106: Replace The Right Upright
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 107 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 108 5. From the front of the machine, locate the Input/Output (I/O) Cable Con- nectors from the Right Upright to the Console Assembly. Disconnect them. Do not allow the I/O Cable to fall into the Right Upright. Secure it with a Zip-Tie, rubber band or piece of wire.
- Page 109 10. Using a 6mm hex wrench, remove the hardware that attaches the Crossbar to the Uprights. Be prepared to support the weight of the Crossbar before removing the hardware. Injury to you or damage to the machine can occur. 11. 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 110 14. Using a #2 Phillips screwdriver, remove the two indicated screws from the Right Base Shroud. 15. Remove the Right Base Shroud from the Frame Assembly. 16. Disconnect the Input/Output and Grounding Cables. 17. Using a 6mm hex wrench, remove the hardware that attaches the Right Upright. Be prepared to support the weight of the Right Upright before removing the hardware.
- Page 111 18. Connect the Cables from the new Right Upright, and attach it to the Frame Assembly. Note: Be sure not to pinch or cut the cables when attaching the Right Upright to the Frame Assembly. 19. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 79”...
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Page 112: Replace The Rocker Switch (Power)
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 113 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 114 4. Release the Securing Clips from the Rocker Switch and remove it from the Frame. 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. Rocker Switch Motor Control Board (MCB)
- Page 115 6. Insert the new Rocker Switch into the Frame, being sure the Securing Clips engage. 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 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.
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Page 116: Replace The Side Rail
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 117 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. Side Rails 1.
- Page 118 6. Using a #2 Phillips screwdriver, remove the indicated screw (with arrow) Rear Roller from each of the Rear Roller Covers. Cover 7. Remove the Rear Roller Covers and Endcap Base Shrouds. Note: To assist with reassembly, be sure to notice how the Endcap Base Shroud is secured by the Rear Roller Cover.
- Page 119 11. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 79” (2 m) and 19.7” (0.5 m) on each side. This is the recommended safe distance for access, movement and emergency dismounts from the machine.
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Page 120: Replace The Speed Sensor Assembly
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 121 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 122 4. Using a #2 Phillips screwdriver, remove the 2 indicated screws (by ar- row) 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.
- Page 123 6. Remove the Speed Sensor Connector from the Motor Control Board. 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.
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Page 124: Replace The Transport Wheel
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - 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 wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. 1.
- Page 126 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 79”...
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Page 127: Replace The Walking Belt
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 128 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. Right Side Rail 1.
- Page 129 7. Using a #2 Phillips screwdriver, remove the indicated screw (with arrow) from the Rear Roller Cover. 8. Remove the Rear Roller Covers and Endcap Base Shrouds. Note: To assist with reassembly, be sure to notice how the Endcap Base Shroud is secured by the Rear Roller Cover.
- Page 130 11. Using a #2 Phillips screwdriver remove the 4 indicated screws from the Right Deck Suspensions. 12. Remove the Right Deck Suspension. Deck Suspension 13. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 79” (2 m) and 19.7”...
- Page 131 Note: Your machine may not match the provided images exactly. MCB Cover 18. Using a #2 Phillips screwdriver remove the 2 indicated screws from the MCB Cover and remove it. 19. Be sure to observe the distance from the Speed Sensor to the Drive Pulley.
- Page 132 23. Using a 6mm hex wrench, remove the 2 indicated screws from the Deck. 24. 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. 25.
- Page 133 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 134 38. Inspect the surface material below the Treadmill. If the surface material is difficult to clean or could be damaged by silicone lubricant, place absorbent material (such as cardboard or newspaper) below the length of the Walking Deck. 39. 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 135 Keep clear of the movement path of the walking deck. 47. The hydraulic lift is set up to drop gradually. Hold onto the walking deck until approximately 2/3 of the movement down. Lower the weight with your legs. Be aware that the walking deck can possibly drop quickly in the last part of the movement. If you used spray lubricant, wait 5 minutes before turning on power to the machine to allow the aerosol to dissipate.
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Page 136: Replace The Walking Deck
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - Page 137 To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. Right Side Rail 1.
- Page 138 7. Using a #2 Phillips screwdriver, remove the indicated screw (with arrow) from the Rear Roller Cover. 8. Remove the Rear Roller Covers and Endcap Base Shrouds. Note: To assist with reassembly, be sure to notice how the Endcap Base Shroud is secured by the Rear Roller Cover.
- Page 139 11. Using a #2 Phillips screwdriver remove the 4 indicated screws from the Right Deck Suspensions. 12. Remove the Right Deck Suspension. 13. Repeat the last six Steps on the other side of the machine. Deck Suspension 14. Make sure there is sufficient space to lower the walking deck. Keep a minimum clearance behind the machine of 79”...
- Page 140 Note: Your machine may not match the provided images exactly. 19. Using a 6mm hex wrench, remove the 3 indicated screws from each side of the Walking Deck. Securing Tab 20. Slide the old Walking Deck Assembly out of the Walking Belt, and flip over so the Walking Belt Guides are exposed.
- Page 141 23. Using a 6mm hex wrench, re-install the 6 screws to the Deck. 24. Re-install all remaining parts that were removed in reverse order. Note: Be sure to tighten the Adjustment Bolts to the recorded number of turns. 25. Inspect the surface material below the Treadmill. If the surface material is difficult to clean or could be damaged by silicone lubricant, place absorbent material (such as cardboard or newspaper) below the length of the Walking Deck.
- Page 142 33. Switch off your machine. 34. Take care to clean up any excess lubricant from the deck. To decrease the possibility of slipping, be sure the deck area is free from grease or oil. Clean off any excess oil from the machine surfaces.
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Page 143: Installation Of The Walking Deck Kit
Nautilus, Inc., www.NautilusInc.com, 5415 Centerpoint Parkway, Groveport, OH 43125 U.S.A. - Customer Service: North America (800) 605-3369, csnls@nautilus.com | outside U.S. www.nautilusinternational.com | Printed in China | © 2022 Nautilus, Inc. | Bowflex and the B logo are trademarks owned or licensed by Nautilus, Inc., registered or otherwise protected by common law in the United States and other nations. | ORIGINAL DOCUMENT -... - 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 wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure location. Right Side Rail 1.
- Page 145 7. Using a #2 Phillips screwdriver, remove the indicated screw (with arrow) from the Rear Roller Cover. 8. Remove the Rear Roller Covers and Endcap Base Shrouds. Note: To assist with reassembly, be sure to notice how the Endcap Base Shroud is secured by the Rear Roller Cover.
- Page 146 11. Using a #2 Phillips screwdriver remove the 4 indicated screws from the Right Deck Suspensions. 12. Remove the Right Deck Suspension and dispose of them. Note: During re-assembly, be sure to use the provided new Deck Suspen- sion. 13. Repeat the last six Steps on the other side of the machine. Deck Suspension 14.
- Page 147 Note: Your machine may not match the provided images exactly. 19. Using a 6mm hex wrench, remove the 4 indicated screws from each side of the Walking Deck. 20. Slide the old Walking Deck Assembly out of the Walking Belt, and flip over so the Walking Belt Guides are exposed.
- Page 148 23. Using a 6mm hex wrench, install the 6 screws to the new Walking Deck. 24. Re-install all remaining parts that were removed in reverse order. Be sure to install all of the provided new Deck Suspensions and hardware. Note: Be sure to tighten the Adjustment Bolts to the recorded number of turns.
- Page 149 30. If the Walking Belt needs to be adjusted, use a 6mm hex wrench on the side the belt should move away from and rotate the Adjustment Bolt a 1/4 turn clock-wise. 31. Allow the Walking Belt to adjust to the new tension by allowing it to run a couple seconds.
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