ページ1に含まれる内容の要旨 
                    
                        True Fitness Service 
Manual 
 
Elliptical Trainers 
 
 
750E 
750EA 
600EA  
 
 
 
 
 
 
 
 
 
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 H
                    
                    ページ2に含まれる内容の要旨 
                    
                        Recommended Tool List      Technicians will need at minimum the tools listed below to work on the True Fitness  equipment covered by these procedures.    Electrical Tools    A multi meter capable of testing voltage, amperage, resistance and continuity.    Outlet tester with a grounding indicator.    Wire stripper, cutter and crimper.    Flashlight      Mechanical Tools    Screwdrivers:  #1 Phillips, #2 Phillips, large flat blade, small flat blade, short handled flat blade.    Metric hex-key (All
                    
                    ページ3に含まれる内容の要旨 
                    
                        True Fitness  Elliptical   Service Manual    START           Symptom guide       Wiring Diagrams       Parts Manual       Removal and Replacement Procedures                  Page 1                                                                                                                                                                                                                                                                                                                                
                    
                    ページ4に含まれる内容の要旨 
                    
                                               Test Mode *750 ONLY            Procedure      To Enter Diagnostic • Press and hold the “Start” key as you     Mode  begin pedaling.       • Continue pedaling throughout the test.               -------            D           Console / Display  • Press “Enter” key – initiates the second   Output   LED function test.      • Press “Enter” key again –all LED’s  I    should be on.             --------    A           RPM  • Press “Enter” key – RPM’s displayed in      the far righ
                    
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                        SYMPTOM GUIDE    600EA     Resistance Malfunction . . . . . . . . . . . . . . . . . . .  Page 13     No Display. . . . . .  . . . . . . . . . . . . . . . . . . . . . . . .  Page 14     No Speed Reading. . . . . . . . . . . . . . . . . . . . . . . .   Page 15      750E,750EA     No Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5     Heavy Resistance . . . . . . . . . . . . . . . .  . . . . . . . . Page 6      No Display . . . . . .  . . . . . . . . . . . . . . . . . . . 
                    
                    ページ6に含まれる内容の要旨 
                    
                        Symptom  Probable Cause   Corrective Action   Recommended Tools        NO RESISTANCE Console Set      750E, 750EA  • Remove console bolts to access 7-pin        connector.  Do not disconnect console   Note:    set.       • Enter DA (resistance) test mode.         (Page 3).  You must pedal at least        30 RPM when  • Press + key to force .7 VDC out of      performing any voltage   panel.    test.  You may require the    • Set meter for DC Volts.  Measure     assistance of another    between #2
                    
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                          Symptom  Probable Cause   Corrective Action   Recommended Tools        HEAVY Foreign Objects    RESISTANCE   • Check for foreign objects causing   Multi-meter  750E, 75 0EA mechanical binding.        • Remove foreign objects.                --------    Console Set            • Remove the console set.       • Disconnect the 7-pin connector from the       back of the console set.        • Pedal.      • Resistance normal? Replace console set.            --------          Defective Cables  • Remov
                    
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                          Symptom  Probable Cause   Corrective Action   Recommended Tools        No Display       750E, 750EA Console Set  • Remove console set bolts.  Verify good    Note:  connection at the back of the console        set.  Set meter for DC volts        You must pedal at least  • Pedal.    30 RPM when    • Measure between #1 and #4 wires for performing any voltage      test.  You may require the   5.5 – 7.5 VDC.  assistance of another     • Is required voltage present?  person when performing      • If
                    
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                          Symptom  Probable Cause   Corrective Action   Recommended Tools      NO CONTACT  • Verify hand pulse sensors are clean.      HEART RATE Dirty Sensors      Note:  750E, 750EA --------                  You must pedal at least      30 RPM when    • Set meter for continuity. performing any voltage    Console Set/  test.  You may require the   • Remove Console set.  Wiring  assistance of another   • Check for continuity in both sets of  person when performing      hand pulse sensors between the con
                    
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                          Symptom  Probable Cause   Corrective Action   Recommended Tools        NO POLAR       HEART RATE Control Panel  • Attach heart rate simulator around chest    Note:  750E, 750EA or use Polar simulator.        600EA.  • Do not touch the hand pulse sensors.           • Start pedaling    You must pedal at least  • Check display for heart rate.   30 RPM when     performing any voltage      test.  You may require the  --------   assistance of another      person when performing        voltage checks
                    
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                          Symptom  Probable Cause   Corrective Action   Recommended Tools        VIBRATION     FROM DRIVE  Belt Tension  • Remove main body cover.  Long handled  TRAIN   • Check poly V- belt for bumps- if bump   screwdriver  750E, 750EA  exists, replace the belt.        600EA.  • Check for proper belt tension.  Belt        should be very tight, grasp belt in the      middle and twist, you should only be       able to twist it 90 degrees.         --------                Brake Vibration    • Pedal.       
                    
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                          Symptom  Probable Cause   Corrective Action   Recommended Tools             KNOCKING  IN  • Remove main body cover.    Crank and Shaft Multi-meter  RHYTHM OF  • Check crank arm nuts for tightness.   14mm socket    PEDALING  • Is noise coming from the crank area 21mm socket       • If yes – remove crank, check shaft and 27mm socket        crank for damage.          • Replace parts as needed.            --------                 Swing Arm Bearings    • Check the moving arm bearing for       noise
                    
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                          Symptom  Probable Cause   Corrective Action   Recommended Tools             SQUEALIN G /  • Remove aluminum extrusion tubes.  Cleaning Aluminum Non- petroleum based  SCREECHING  • Clean tracks with general purpose   Extrusion Tubes cleaner. (For example:  FROM  cleaner.  DO NOT USE PETROLIUM   Simple Green)    ALUMINUM  BASED CLEANERS – it will degrade        EXTRUSION  the rollers.        TUBES  • Clean roller.     750E, 7 50EA,       600EA.   -------                   • Check rollers for bum
                    
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                          Symptom  Probable Cause   Corrective Action   Recommended Tools             RESISTANCE   • Remove console bolts to access 7-pin  Console Set  Note:  MALFUNCTION connector.  Do not disconnect console       600EA  set.  Set meter for DC Volts.  Measure       between pin 1(red) and pin 5(blue) at 7-      You must pedal at least    pin connector.  30 RPM when        performing any voltage   test.  You may require the  • Enter DA (resistance) test mode.  Page    assistance of another  SG-1.      pe
                    
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                          Symptom  Probable Cause   Corrective Action   Recommended Tools             NO DIS PLAY  • Set meter to AC voltage and test wall  Power Issues Multi-meter  600EA outlet to 120 VAC.       • Turn power switch on         • Does power switch lamp come on?         • Yes – go to control panel.        • No- remove rear cover.       • Check voltage input to switch, is it 120      VAC? If yes – replace switch. If no –    continue on.        • Check voltage at end of power cord.      • No voltage? Repla
                    
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                          Symptom  Probable Cause   Corrective Action   Recommended Tools             NO SPEED   • Remove monitor bolts.  Move the swing  Console Assembly Multi-meter  READING arms until the magnet is in front of the       600EA  sensor.        • Set meter for DC volts.  Check voltage         between pin 3 and pin 1 at console        assembly with cable connected.       • Move swing arms.  When magnet is    over the pickup the voltage should be 0     VDC.  When the magnet is not over the       pickup, t
                    
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                        WIRING DIAGRAMS                   TAE 600       Page 16       TAE 750       Page 17       TE    750       Page 18                                                  Page 15                                                                                                                                                                                                                                                                                                                                          
                    
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                          TRUE TAE 600      WIRING DIAGRAM     Page 16                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
                    
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                          TRUE TAE 750    WIRING DIAGRAM             Page 17                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                    
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                          TRUE TE 750      WIRING DIAGRAM          Page 18