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Nautilus Schwinn 450, Service Manual, Page: 13 / 23

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Nautilus Schwinn 450 Service Manual Download Page 13

13

Removing the Shrouds

!

 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.

Tools Required: #2 Phillips screwdriver, Crank Puller, small Standard Screwdriver, 9/16” socket and ratchet

1. Perform the removal steps of “Replacing the Pedals and Legs” Procedure.

2. Perform the removal steps of “Replacing the Upper and Lower Handlebars” 

Procedure.

3. Using a #2 Phillips screwdriver, remove the two screws from the Storage Bin 

Insert. 

4. Using a small Standard Screwdriver, remove the Cap (Item A) from the Crank Arm.

5. Using a 9/16” socket and ratchet, remove the Lock Nut from the Crank Arm with 

Plastics. 

6. Using a Crank Puller, thread it into the Crank Arm with Plastics.

Note: 

Be sure the end of the Bolt of the Crank Puller is flush with the Nut (as shown) 

before use. 

7. Using a wrench, turn the inner portion (the Bolt) of the Crank Puller clockwise. The 

Crank Arm with Plastics will slide off as it is tightened.

8. Using a #2 Phillips screwdriver, remove the 10 indicated screws from the Shrouds and 

remove them.

Note:

 

Disconnect the AC Inlet cables from the Shroud to the wiring harness. Be sure not to 

crimp any cables.

9. Installation is the reverse procedure.

10. Dispose of the old parts.

11. 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.

A

#2

X2

Summary of Contents for Schwinn 450

Page 1: ...side U S 01 360 859 5180 technics APLA nautilus com 2011 Nautilus Inc All rights reserved and indicate a trademark or registered trademark Nautilus Inc www NautilusInc com trademarks include NAUTILUS BOWFLEX SCHWINN and UNIVERSAL and respective logos Other trademarks are the property of their respective owners Serial Number AAAAAAA Nautilus part number SKU BBB Vendor Code PPPPPP Purchase Order Num...

Page 2: ...ervice until the repair is made Only manufacturer supplied components can be used to maintain and repair the equipment Daily Before each use examine the exercise machine for loose broken damaged or worn parts Do not use if found in this condition Repair or replace all parts at the first sign of wear or damage After each workout use a damp cloth to wipe your machine and Console free of sweat Note A...

Page 3: ... Leg Left FF Speed Sensor Magnet G Handlebar Arm Upper Right T Pedal Left GG Speed Sensor H Handlebar Arm Adjustment Knob U Pedal Arm Left HH Pulley I Pedal Right V Crank Assembly Left II Drive Belt J Pedal Arm Right W AC Power Connector JJ Fly Wheel K Handlebar Arm Lower Right X Shroud Left KK Brake Assembly L Pedal Plate Y Storage Bin LL Servo Motor M Leg Right Z Front Stabilizer FF A C D B F E ...

Page 4: ...way from sources of interference TV Microwave etc Replace Chest Strap If interference is eliminated and HR does not function replace strap Replace Console If HR still does not function replace Console Console displays E2 error code Check data cable integrity All wires in cable should be intact If any are cut or crimped replace cable Check data cable connections orientation Be sure cable is connect...

Page 5: ...her for 3 seconds while in the Power Up Mode to go into the Console Setup Mode Note Push STOP to go back to the previous screen or the Power Up Mode screen 2 The Console display shows the Units prompt Push START ENTER to start Units option Push the Increase Decrease buttons to change between Miles Lb Imperial English units and Km Kg metric units Note If the units change when there is data in User ...

Page 6: ...pect 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 6 Initial Setup of the Console During the first power up the Console must be setup for your preferred measurement units the machine type and brightness of the screen a Units of ...

Page 7: ...he Con sole Cable and the Heart Rate Cable Note Do not crimp the cables Do not allow the cables to fall down the Console Mast Use a rubber band or wire tie 3 Using a 4 mm hex wrench and a 10 mm wrench remove the 4 indicated bolts and remove the Static Handlebar Note Do not crimp the Console Cable when removing the Static Handlebar Do not allow the Console Cable to fall into the Console Mast 4 Inst...

Page 8: ...h small Standard Screwdriver 13 mm wrench 1 Using a 6 mm hex wrench remove the 8 indicated bolts from the Upper Handle bar Arms 2 Remove the Upper Handlebar Arms 3 Using a 6 mm hex wrench and a 13 mm wrench remove the 2 indicated bolts from the Lower Handlebar Arms and Pedals 4 Using a small Standard Screwdriver pry up the Caps from the Lower Handlebar Arms 5 Using a 13 mm wrench remove the hardwa...

Page 9: ...d bolts from the Pedal and Lower Handlebar Arm Be aware that the Handlebar Arms will be loose and may pivot when the hardware is removed 3 Remove the Pedal 4 Using a small Standard Screwdriver pry up the Cap from the Crank Arm 5 Using a 13 mm wrench remove the indicated bolt from the Pedal and remove it 6 Repeat steps on opposite side 7 Installation is the reverse procedure 8 Discard the old parts...

Page 10: ...book or box 1 Place a static object like a book or box under the front of the machine but not under the Front Stabilizer The static object should not be compressible 2 Using a 6 mm hex wrench remove the four bolts that attach the Front Stabilizer 3 Installation is the reverse procedure 4 Dispose of the old parts 5 Inspect your machine to ensure that all hardware is tight and components are properl...

Page 11: ... Incline Handle may need to be slightly lifted to disengage the Incline Assembly c Fully lower the Incline Assembly In order to avoid possible serious injury when lowering the Rails be careful to avoid fingers or hands being caught or pinched d Step off the Incline Release Pedal 2 Perform the removal steps of Replacing the Pedals and Legs Procedure 3 Perform the removal steps of Replacing the Uppe...

Page 12: ...htly top heavy 7 Remove the Rail Assembly 8 Installation is the reverse procedure 9 Dispose of the old parts 10 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 6mm ...

Page 13: ...m 5 Using a 9 16 socket and ratchet remove the Lock Nut from the Crank Arm with Plastics 6 Using a Crank Puller thread it into the Crank Arm with Plastics Note Be sure the end of the Bolt of the Crank Puller is flush with the Nut as shown before use 7 Using a wrench turn the inner portion the Bolt of the Crank Puller clockwise The Crank Arm with Plastics will slide off as it is tightened 8 Using a...

Page 14: ...emoving the Shrouds Procedure 4 Measure or mark a piece of scrap paper the lengths of the Tensioner Spring and Bolt 5 Using a 10 mm hex wrench loosen the Spring Insert Item C until the Tension Spring Item D can be released 6 Using a 13 mm wrench remove the Tensioner Assembly Hardware Item A 7 Remove the Tensioner Assembly Item B from the Frame Assembly and the Drive Belt 8 Installation is the reve...

Page 15: ...e released 6 Turn the Drive Pulley Item D clockwise while forcing the Drive Belt to the outside Belt will come off of the Drive Pulley Keep fingers out of any pinch opportunities when turning the Pulleys 7 Using a 17 mm wrench remove the hardware Item B securing the Flywheel from both sides 8 Using a 13 mm wrench remove the hardware Item C from the Crank Spindle Weldment that contains the Drive Pu...

Page 16: ...ocedure 2 Perform the removal steps of Replacing the Upper and Lower Handlebars Procedure 3 Perform the removal steps of Removing the Shrouds Procedure 4 Using a long 6 mm hex wrench remove the hardware from the Console Mast 5 Remove the Console Mast and discon nect the Console Cables Note Do not crimp the cables 6 Insert a piece of cardboard between the Brake Magnet Item C and the Fly Wheel Item ...

Page 17: ...ugh the Brake Plate and the Frame Assembly Note Before fully attaching the Shrouds remove the cardboard from between the Brake Magnet and the Fly Wheel Power up the machine to verify that the Magnet Arm can move freely and that the Brake Magnet and Fly Wheel are not touching 13 Dispose of the old parts 14 Inspect your machine to ensure that all hardware is tight and compo nents are properly assemb...

Page 18: ...the removal steps of Removing the Shrouds Procedure 4 Insert a piece of cardboard between the Brake Magnet Item E and the Flywheel Item D 5 Inspect the Servo Motor Assembly Item A and decide which way to adjust it 6 Using a 10 mm wrench loosen the Snap Nut Item B that will allow the Servo Motor to adjust in the correct direction Count the number of exposed threads to assist with resetting the Serv...

Page 19: ...d Lower Handlebars Procedure 3 Perform the removal steps of Removing the Shrouds Procedure 4 Insert a piece of cardboard between the Brake Magnet Item B and the Flywheel Item F Note Be sure the cardboard covers all of the Brake Magnet 5 Disconnect the Speed Sensor Cables Item A Note Do not crimp the cables 6 Pull the lower Console Cable Item D from the Frame Assembly Note Do not crimp the cables 7...

Page 20: ...ch the Potentiometer Item P 15 Installation is the reverse procedure Be sure the cardboard will completely cover the new Brake Magnet before installation Do not crimp any cables when routing through the Brake Plate Note Before fully attaching the Shrouds remove the cardboard from between the Brake Magnet and the Fly Wheel Power up the machine to verify that the Magnet Arm can move freely and that ...

Page 21: ...removal steps of Replacing the Pedals and Legs Procedure 2 Perform the removal steps of Replacing the Upper and Lower Handlebars Procedure 3 Perform the removal steps of Removing the Shrouds Procedure 4 Disconnect the Speed Sensor Cables Item A Note Do not crimp the cables 5 Using a 2 Phillips screwdriver remove the indicated bolt Item B from the Speed Sensor Assembly Item C Note The Speed Sensor ...

Page 22: ...m socket and ratchet 1 Perform the removal steps of Replacing the Pedals and Legs Procedure 2 Perform the removal steps of Replacing the Upper and Lower Handlebars Procedure 3 Using a 15mm socket remove the indicated Lock Nut Item A from the AC Inlet 4 Perform the removal steps of Removing the Shrouds Procedure 5 Disconnect the Power Inlet Assembly Item B from the wiring harness Note Do not crimp ...

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