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TABLE OF CONTENTS
8.5.2  Entertainment - TV Will Not Turn On ......................................................................................................... 20 
8.5.3  TV Controller Not Functioning .................................................................................................................... 20
8.6  Resistance Function ......................................................................................................................................... 21 
8.7  Heart Rate Failure/Intermittent  .................................................................................................................. 22
8.7.1   Test Contact Grips ............................................................................................................................................ 22
8.8  Incline Failure  .................................................................................................................................................... 22
8.9  Leveling the A5x  .............................................................................................................................................. 23
CHAPTER 9: PART REPLACEMENT GUIDE
9.1  Front Disk Removal  ......................................................................................................................................... 24
9.1  Front Disk Removal - Continued  ................................................................................................................ 25
9.1  Front Disk Removal - Continued  ................................................................................................................ 26
9.2  LCB (Lower Control Board) Removal and Installation ......................................................................... 27
9.3  ECB (Electromagnetic Brake) Removal and Installation ..................................................................... 28
9.3  ECB Removal and Installation - Continued  ............................................................................................ 29
9.4  Belts Removal and Installation - Short Belt Run ................................................................................... 30
9.42  Belts Removal and Installation - Long Belt Run .................................................................................... 31
9.5  Bearing Pulley Assembly Removal and Installation  ........................................................................... 32
9.6  Fixed Handlebar Removal and Installation ............................................................................................. 33
9.7  Dual Action Handlebar Removal and Installation  ............................................................................... 34
9.8  Console Removal and Installation ............................................................................................................. 35
9.8.1  Console - Overlays & Keypads Removal and Installation .................................................................. 36
9.8.1  Console - Overlays & Keypads Removal and Installation - Continued  ........................................ 37
9.8.2  Console - UCB (Upper Control Board) & Heart Rate Board Removal and Installation  ................ 38 
9.9  Rear Plastic Removal and Installation ....................................................................................................... 39
9.10  Incline Motor Removal and Installation ................................................................................................... 40
9.10  Incline Motor Removal and Installation - Continued  ......................................................................... 41
9.11  Foot Pedals Removal and Installation ...................................................................................................... 42
9.12  Link Arms & Pedal Arms Removal and Installation  ............................................................................. 43
9.12  Link Arms & Pedal Arms Removal and Installation - Continued  .................................................... 44
9.13  Swing Arm Removal and Installation ........................................................................................................ 45
9.13  Swing Arm Removal and Installation - Continued  .............................................................................. 46
9.14  Rear Pivot Arm Removal and Installation ................................................................................................ 47
9.99  Unit Functionality Testing  ............................................................................................................................ 48
CHAPTER 10: EXPLODED DIAGRAMS
10.1  Drive Assembly .................................................................................................................................................. 49
10.2  Console  ............................................................................................................................................................... 49
10.3  Ascent Trainer Swing Arm/Actuators  ....................................................................................................... 50
10.4  Fasteners & Assembly Tools .......................................................................................................................... 51
10.5   MX-A5x Ascent Trainer Assembly Steps  .................................................................................................. 51
10.6  MX-A5x Optional Entertainment Accessory ........................................................................................... 52
CHAPTER 11: UPGRADES
11.1  Belt Tensioner Bearing Replacement ........................................................................................................ 54
11.2  Bearing Assembly Shimming ..............................................................................  ....................................... 55
11.3  Upgrading Handgrips with Resistance Buttons .....................................................  ............................. 56
11.4   Installing Adjustable Tensioner ................................................................................................................... 57
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