Nautilus Schwinn IC4 User Manual

1
8024500.021520.B
Service Manual
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 | © 2019 Nautilus, Inc. | Nautilus, the Nautilus logo, Bowex and Schwinn are trademarks owned by or licensed to Nautilus,Inc., which are registered or
otherwise protected by common law in the United States and other countries. | ORIGINAL DOCUMENT - ENGLISH VERSION ONLY
8024502.021520.B
Schwinn
™
IC4 / IC8 and Bowex
™
C6 Bike
Service Manual
™
Section Code Section Page Number
1 Important Safety Instructions 2
1 Safety Warning Labels and Serial Number 3
1 FCC Compliance 3
1 Specications 4
1 Maintenance 5
1 Moving/Storing the Machine 6
1 Leveling the Machine 6
1 Heart Rate Armband 7
1 Adjustments 8
1 Locking the Flywheel for Storage 9
1 Troubleshooting 10
1 Maintenance Parts Exploded View 12
1 Replacement Procedure Skill Level 13
Mechanical Procedures
2 Adjust the Belt Tension 14
3 Calibrate the Magnetic Resistance Sensor 18
4 Install the Handlebar Bushing Kit 21
Part Replacement
5 Replace the Emergency Brake Pad 25
6 Replace the Brake / Resistance Knob Assembly 28
7 Replace the Crank Arm 32
8 Replace the Drive Belt 35
9 Replace the Drive Belt Cover 41
10 Replace the Fender 44
11 Replace the Flywheel Assembly 46
12 Replace the Flywheel Tensioners 53
13 Replace the Handlebar and Seat Post Bushing 57
14 Replace the Power Inlet 63
15 Replace the Speed Sensor 68
16 Replace the Wiring Harness 76

Nautilus Schwinn IC4 Specifications

General

Brand	Nautilus
Model	Schwinn IC4
Category	Exercise Bike
Language	English

Summary

Important Safety Instructions and General Troubleshooting Information

Important Safety Instructions

Key safety guidelines and warnings for operating and servicing the equipment.

SAFETY WARNING LABELS AND SERIAL NUMBER

FCC Compliance

Information regarding compliance with Federal Communications Commission rules for electronic devices.

SPECIFICATIONS

MAINTENANCE

Checking the Drive Belt Tension

Procedure to check the tension of the drive belt for optimal performance and to prevent slipping.

Adjusting the Drive Belt Tension

Steps to adjust the drive belt tension using specific wrenches for proper operation.

ADJUSTMENTS / OPERATIONS

Moving and Storing the Machine

Instructions on how to safely move and store the exercise equipment.

Leveling the Machine

Guidance on adjusting the stabilizers to ensure the machine is level and stable.

Emergency Stop

How to quickly stop the pedals and flywheel in an emergency situation.

Workout with Other Fitness Apps

Bluetooth® Heart Rate Enabled

Information on connecting Bluetooth devices for heart rate monitoring.

Bluetooth® Heart Rate Armband

Instructions for using the included Bluetooth heart rate armband.

Seat Adjustment

Foot Position / Pedal Strap Adjustment

Using the Shoe Clips (Cleats)

Handlebar Adjustment

Locking the Flywheel for Storage

Changing Unit Measures (English Imperial/Metric)

Troubleshooting

Maintenance Parts

REPLACEMENT PROCEDURE SKILL LEVEL

Adjust the Belt Tension

Calibrating the Magnetic Resistance Sensor

Installation of the Handlebar Bushing Kit

Replace the Emergency Brake Pad

Replace the Brake / Resistance Knob Assembly

Replace the Crank Arm

Replace the Drive Belt

Replace the Drive Belt Cover

Replace the Fender

Replace the Flywheel Assembly

Replace the Flywheel Tensioners

Replace the Handlebar and Seat Post Bushings

Replace the Power Inlet

Replace the Speed Sensor

Replace the Wiring Harness