Bowflex BXT8J User Manual

1
8029631.071522.A
8029630.071522.A
Service Manual
™
™
Table of Contents
Bowex
™
BXT8J / BXT8Ji Treadmills
Service Manual
Section Code Section Page Number
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. | Bowex, 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
nations. |
ORIGINAL DOCUMENT - ENGLISH VERSION ONLY
1 Important Safety Instructions 2
1 Safety Warning Labels and Serial Number 3
1 Specications 4
1 Grounding Instructions 5
1 Emergency Stop Procedure 6
1 Moving and Storing the Machine 7
1 Unfolding the Machine 9
1 Leveling the Machine 10
1 Treadmill Belt (break in period) 10
1 Using your JRNY™ membership with machine 11
1 Workout with Other Fitness Apps 11
1 USB Charging 11
1 Modify Display of Workout Values 11
1 Maintenance 12
1 Cleaning 12
1 Adjusting the Belt Tension 12
1 Aligning the Walking Belt 13
1 Lubricating the Walking Belt 13
1 Heart Rate Chest Strap Battery Replacement 14
1 Maintenance Parts 15
1 Troubleshooting 17
1 Console Setup Mode 27
1 Engineering Mode 28
1 Replacement Procedure Skill Level 29
Mechanical / Modication Procedures
2 Adjust the Walking Belt 30
Part Replacement
3 Replace the Circuit Breaker 32
4 Replace the Console Assembly 36
5 Replace the Deck Suspension 40
6 Replace the Deck Wheel 43
7 Replace the Drive Belt 46
8 Replace the Front Roller 51
9 Replace the Incline Motor Assembly 56
10 Replace the Lift Shock 63
11 Replace the Lower I/O Cable 67
12 Replace the Middle I/O Cable 72
13 Replace the Motor 77
14 Replace the Motor Control Board (MCB) 83
15 Replace the Motor Control Board Cover 87
16 Replace the Motor Cover 89
17 Replace the Motor Mount 91
18 Replace the Power Inlet 95
19 Replace the Rear Roller 99
20 Replace the Rear Roller Cover 103
21 Replace the Right Upright 106
22 Replace the Rocker Switch (Power) 112
23 Replace the Side Rail 116
24 Replace the Speed Sensor Assembly 120
25 Replace the Transport Wheel 124
26 Replace the Walking Belt 127
27 Replace the Walking Deck 136
28 Installation of the Walking Deck Kit 143

Bowflex BXT8J Specifications

General

Motor	2.5 CHP
Running Surface	20" x 60"
Max Speed	12 mph
Display	7.5" LCD
Connectivity	Bluetooth
Weight Capacity	300 lbs
Incline Range	0 - 15% (Motorized)

Summary

General Information and Safety Precautions

Important Safety Instructions

Essential safety precautions for operating and servicing the treadmill to prevent injury.

SAFETY WARNING LABELS

Identification and explanation of various safety warning labels on the machine.

SPECIFICATIONS

Technical details including dimensions, weight, power requirements, and user limits.

Grounding and Earthing Instructions

Proper procedures for electrical grounding and earthing for safe operation.

Operation and Maintenance

Storage and Moving the Machine

Instructions for safely folding, moving, and storing the treadmill.

Leveling the Machine

Procedure to ensure the treadmill is stable and level on uneven surfaces.

MAINTENANCE SCHEDULE

Routine maintenance tasks and their recommended frequency for optimal performance.

Adjusting the Walking Belt

Guidance on adjusting belt tension and alignment for proper operation.

Troubleshooting and Service

Service Mode Procedures

Steps for accessing diagnostic and calibration modes on the console.

Common Troubleshooting Guide

Flowcharts to diagnose and resolve common operational issues.

Console Issues

Steps for resolving problems related to the treadmill console display and sound.

Part Replacements

Adjust the Walking Belt

Procedure for adjusting the walking belt alignment and tension.

Replace the Circuit Breaker

Procedure for safely replacing the treadmill's circuit breaker.

Replace the Console Assembly

Instructions for removing and installing a new console assembly.

Replace the Motor

Detailed steps for replacing the treadmill's motor unit.

Replace the Walking Belt

Procedure for replacing the treadmill's walking belt.

Replace the Walking Deck

Instructions for removing and installing a new walking deck.