Precor AMT12 base - Theory of Operation; Console Models

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4- Theory of Operation

Console Models

Consoles that could appear on the AMT12 Base

Main Page

Table of Contents2
Introduction7
About this Document7
Right, Left, Front, and Back Conventions8
General System Information8
Tools Required8
4 - 6 Gear Puller8
Safety Guidelines8
Operating Safety9
Safety Guidelines10
Verification Procedure11
2- Operation Verification11
Verification Checklist12
Operation Verification Checklist12
Accessing the Service Software13
3- Standardized Service Access Codes13
P20 Service Software Access14
Entering the Service Software on a P80 Console15
Hardware Validation = Diagnostic Tests (51765761)16
Club Parameter = Settings (5651565)17
Information Display (65)18
Console Models19
4- Theory of Operation19
Basic Operation of a Console20
Commercial AMT System21
AMT Base Operation22
Power Generation22
Lower Electronics Module22
DC Power Distribution22
A Regulated 14.5VDC Power Supply Charges the 12V Battery22
AMT Resistance Control23
Vertical Resistance23
Horizontal Resistance24
AMT Motion Detection (RPM)24
DC Lift System – Motion Control25
DC Lift System – Position Monitoring27
5- Troubleshooting Procedures28
Introduction28
Troubleshooting Generated Power29
Measuring the Resistance of a Generator30
Lower Control Module Connector Layout30
Troubleshooting no Power to the Console31
Upper Display Does Not Illuminate31
Partial View of Lower PCA32
Standardized Error Codes33
Validating the Reported Failure34
Troubleshooting Control Error Codes35
Error 05 - Key Depressed at Power up35
Error 09 - Lower PCA Memory Test Errors37
Error 12 - Watchdog (Lower PCA)37
Error 80, 81, 82, & 83 - P30 Machine Controls Not Working38
Troubleshooting the Brake System39
Troubleshooting the Lift System40
Error 40 - no Lift Motion Detected41
Error 42 - Lift Position Value out of Range43
Error 44 - Un-Commanded Lift Motion45
Error 45 - Lift Moving in Wrong Direction46
Error 46 - Low Battery Voltage (Open Stride AMT12 Only)47
Troubleshooting Communications48
Errors 30, 31, 32 and 33 - Communications Error48
Troubleshooting the Interconnect Cable49
Event 70 - 7949
Odometer Tracking & Flat Belt Replacement Event Codes49
Event 7150
Event 72 & 7350
Events 74 – 7750
Hand Held Heart Rate Does Not Work50
Troubleshooting Heart Rate Issues50
Wireless Heart Rate Does Not Work51
6- Replacement Procedures53
Cover Replacement54
Top Cover Removal54
Cover Gasket54
Front, Back, Left, Right Conventions54
Front Top Cover Release55
Top Cover55
Front Cover Removal55
Front Cover - Screw Locations56
Side Cover Markers and Front Cover56
Center Beam Cover Removal57
Back Cover Removal57
Left and Right Side Cover Removal58
Side Cover Removal58
Left and Right Side Bottom Cover Removal58
Bottom Covers Removed58
Left and Right Bottom Cover Assembly59
Left and Right Side Cover Assembly59
Side Cover Assembly59
Back Cover Assembly59
Back and Bottom Cover Assembly60
Back Cover Locking Tab60
Center Beam Cover Assembly61
Front Cover Assembly61
Upper Arm Cover Replacement61
Upper Arm Cover Screw Locations62
Rear Flat Belt Terminal Cover Replacement63
Flat Belt Terminal Covers63
Upper Arm Cam Cover Replacement64
Upper Arm Cam Covers64
Top Cover Assembly64
Replacing a Belt Guard65
Finger Guard Replacement Procedure65
Upper Arm Cover Removal65
Belt Guard Removal66
Belt Guard Interlocking Tabs and Slots68
Belt Guard Mounting68
Replacing the Upper Arm Grip69
Upper Arm Grip Replacement Procedure69
Upper Arm Grip Removal72
Upper Arm Grip Installation73
Belt Guard Installation73
Replacing a Flat Belt Terminal74
Flat Belt Terminal Replacement Procedure74
Flat Belt Terminal Removal76
Flat Belt Terminal Installation76
Adjusting the Stairarm Pedal Height77
Stairarm Height Measurement77
Flat Belt Terminal Adjustment78
Rear Flat Belt Terminal Cover Installation78
Replacing a Upper Arm Flat Belt Pulley80
Upper Arm Flat Belt Pulley Replacement Procedure80
Upper Arm Flat Belt Pulley Mounting83
Upper Arm Flat Belt Pulley Removed83
Replacing a Stairarm Pedal85
Stairarm Pedal Replacement Procedure86
Replacing a Stairarm87
Stairarm and Front Arm87
Stairarm Replacement Procedure87
Rear Flat Belt Terminal Cover Removal87
Stairarm Removal89
Stairarm Pedal Removal89
Stairarm and Stairarm Pedal Screw Locations90
Stairarm Knuckle Cover Removal90
Stairarm Knuckle Cover Installation91
Stairarm Pedal Installation91
Rear Flat Belt Terminal Installation92
Replacing the Flat Belts93
Tracking and Writing the Stride Count96
Tracking Belt Replacements96
Inside Flat Belt Replacement97
Flat Belt Removal - Front Clamp97
Front Belt Clamp Screw Removal98
Upper Arm Cam Cover Removal98
Flat Belt Removal - Upper Arm Cam99
Upper Inside Cam Screw Removal99
Upper Inside Cam Pin Removal99
Flat Belt Installation - Upper Arm Cam100
Flat Belt End Measurement100
Upper Inside Cam Pin Install101
Inside Flat Belt Routing102
Flat Belt Installation - Front Clamp103
Front Flat Belt Clamp Pin Mounting103
Outside Flat Belt Replacement106
Upper Arm Grip Screw Locations109
Flat Belt Removal - Rear Terminal111
Flat Belt Pin Removal112
Upper Arm Flat Belt Pulley Removal112
Upper Outside Cam Pin117
Flat Belt Pulley Installation117
Flat Belt Installation - Rear Terminal117
Outside Flat Belt Alignment118
Replacing the Front Arm Assemblies - with Flat Belts and Press Fit Cams (after 4/3/2013)122
Flat Belt Routing - Transparent View of Arm140
Front Arm Shaft and Main Clamp140
Front Arm Mounting Bolt141
Main Shaft Clamp Bolts- Torque Sequence141
Stairarm Installation162
Stairarm and Front Arm Screw Locations162
Replacing the Lower Board163
Removing the Lower PCA Cover163
Removing the Lower PCA163
Replacing the Lower PCA and Battery Bracket164
Battery Bracket Installation165
Replacing the Battery166
Replacing the Generator Belt167
Replacing the Generator169
Replacing the Drive Input Pulley Belt171
Drive Input Pulley Belt Replacement Procedure171
Replacing the Step up Pulley172
Replacing the Crank Arm175
Crank Arm Replacement Procedure175
Crank Arm Flat Belt Pulley177
Replacing the Drive Input Pulley178
Drive Input Assembly Alignment182
Crank Arm Alignment183
Replacing the Lift Arm Housing185
Lift Arm Housing Replacement Procedure185
Gas Shock Removal185
Incline Motor Removal186
Generator Belt198
Incline Motor Installation199
Replacing the Drive Input Housing202
Drive Input Housing Replacement Procedure202
Replacing a Tie Rod222
Replacing the H-Brake Belt225
H-Brake Belt Installation232
H-Brake Belt Tensioning232
Replacing the H-Brake Drum Assembly233
H-Brake Belt Removal234
Replacing the Gas Shock242
Replacing the Incline Motor245
Adjustment Procedure251
Measuring the Resistance of a Generator251
Inspecting and Adjusting the H-Brake Belt Tension252
Inspecting and Adjusting the Generator Belt Tension255
Inspecting and Adjusting the Drive Input Belt Tension257
Generator Belt Tension Specification261
Calibrating the Incline Motor263
Calibration Steps263
Drive Belt Gauge Instructions265
How to the Drive Belt Gauge265
Regular Preventative Maintenance - Performed by Owner267
8- Preventative Maintenance267
To be Done Daily268
To be Done Weekly268
To be Done Monthly268
P30 - AMT '11 835 Block Diagram269
P20_P30_P80 AMT '11 Wiring Diagram269
9- Wiring & Block Diagrams269
10 - Exploded View271

Precor AMT12 base - Theory of Operation; Console Models

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