True Fitness 600R, 500U, 750U, 500R, 750R, 600U manual True Fitness Service Manual Exercise Bicycles

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True Fitness Service

Manual

Exercise Bicycles

500R, 500U 600R, 600U 750R, 750U

True fitness technology, Inc. makes no representations or warranties regarding the contents of this manual. We reserve the right to revise this document at any time or to make changes to the product described within it without notice or obligation to notify any person of such revisions or changes.

© 2004, True Fitness, Inc. All rights reserved. Printed in the United States of America.

865 Hoff Road. O’Fallon, MO 63366. 1-800-426-6570. Fax 636-272-3026. www.truefitness.com

Revision 9/2004

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Contents True Fitness Service Manual Exercise Bicycles Recommended Tool List Start RPM N O S T I C SSymptom Guide Malfunction ECBDC Adaptor Adapter Plug or Jack Control Panel Cables Irregular or no Display 500R, 500UNo RPM Reading 500R, 500U Defective RPM Sensor SetControl Panel Heart Rate Chest Strap External Interference No Polar Heart Rate 500R, 500UIrregular or no Display 600R, 600U No RPM Reading 600R, 600U Control Panel Defective Cables Defective Handles No Contact Heart Rate 600R, 600UHandlebar Buttons do not Function 600R Enter DA resistance test mode. No Resistance 750U, 750RHeavy Resistance Page No Contact Heart Rate No Polar Heart Rate Wiring Diagrams TR/ TU 500 Wiring Diagram TU 600 Wiring Diagram TR 600 Wiring Diagram TR/ TU 750 Wiring Diagram Page True Upright Bike 500 True Recumbent Page TU 500 Exercise Bike Rear Stabilizer with Bolts SET TR 500 Exercise Bike REF # PART# Description QTY 7T002500 Transportation Handle Set w/Screws Page True Upright Bike 600 True Recumbent TU 600 Parts Diagram TU 600 Bike Decal a TR 600 Parts Diagram TR600 Bike Console Mast W/BOLTS Page True Upright Bike 750 TU 750 Parts Diagram 3 Piece Crank TU 750 3 Piece Crank END CAP for Front Grounding BAR RT TU 750 Parts Diagram 1 Piece Crank TU 750 1PC Crank Frame Side CVR Decal Silvr True Recumbent Bike Page Crank Foot PAD Rear Adjustable TR 750 Parts Diagram TR 750 After 8/5/01 Prior to 02-RE0283C END CAP Rear Grounding BAR PCS After Serial # 02-RE0283C Piece Crank TR 750 After Serial # 02-RE0283C 7TSZRB40SCV-L1 Side Cover Left SET True Fitness Removal Replacement Table of Contents Step Electrical connections are on 500 series bikes only Remove Small Poly-V Pulley Loosen rear hub bracket screws Loosen Hub Bracket Screws Remove Belt & Tensioner Assembly Copyright 2001 True Fitness Technology, Inc Remove Front Hub Assembly Remove Large Pulley Assembly Step Removal & Replacement 500U 500U Step Remove snap ring from belt tensioner Remove Snap Ring Remove Crank Hub Assembly Flat blade screwdriver may be used to pry hub from frame Step Remove Right Belt Poly-V Wheel Remove the snap ring and washers Remove Right Side Tensioner Assembly Mm Hex Wrench Mm Open-End Wrench Hammer Handle Remove brake belt from larger poly-V wheel Remove Belt 600U & 600R Remove Left Side Belt From Assembly Step Remove Left Side Poly-V Wheel Remove Crank Hub Assembly Flat blade screwdriver may be used to pry hub from frame Step Remove Left Belt Poly-V Pulley Remove Poly-V Wheel Pulley Remove Left Side Tensioner Assembly Mm-Hex Wrench Mm Open-End Wrench Hammer Handle Remove brake belt from larger poly-V wheel Remove Belt Remove Brake & Belt Assembly Remove Right Side Belt From Assembly Step Remove Right Side Poly-V Wheel Remove Crank Hub Assembly Flat blade screwdriver may be used to pry hub from frame Step