Service Manual, C576i Self Powered EFX.fm
Contents
1. C576i Self Powered Elliptical Fitness Crosstrainer Section Four Checking C576i Operation This section provides you with a quick method of checking EFX operation Check the operation of the EFX at the end of most maintenance procedures Procedure 1 10 11 12 13 Start striding on the C546i or plug the optional external power supply when available into the EFX and the AC outlet When the PRECOR banner displayed press QUICK START Select Resistance Level 1 and press ENTER Operate the EFX for 4 5 minutes As you operate the EFX concentrate on the operating sounds made by the unit Be on the alert for unusual rubbing hitting grinding or squeaking noises If the EFX makes unusual noises or the electronic display does not change appropriately troubleshoot per Section 6 Press the RESISTANCE a key until you reach Resistance Level 10 Operate the EFX for another 2 3 minutes If the EFX resistance does not change or the operation of the EFX feels inconsistent compared with Resistance Level 1 troubleshoot per Section 6 Press the RESISTANCE a key until you reach Resistance Level 20 Operate the EFX for another 2 3 minutes If the resistance of the C546i does not change or the EFX operation feels inconsistent with Resistance Levels 1 and 10 troubleshoot per Procedure 6 6 Check the LED s mounted on the upper PCA and the function keys displayed on the electronic console by performing Procedure 3 2 Pr2. ess the CROSSRAMP a key while viewing the electronic console Confirm that the foot pads incline and the ramp display increments to 20 as the CROSSRAMP a key is pressed Press the CROSSRAMP VY key while viewing the electronic console Confirm that the foot pads return to a level position and the ramp display decrements to 1 as the CROSSRAMP v key is pressed If the incline system of the C576i does not operate properly troubleshoot per Procedure 6 6 Page 13 C576i Self Powered Elliptical Fitness Crosstrainer Procedure 5 1 Measuring the Resistance of a Generator Caution If a external power supply is connected to the EFX disconnect the external power supply from the EFX before continuing with this procedure Procedure 1 Remove the screw at the right rear of the rear cover Grasp the right side of the rear cover and rotate it counterclockwise to remove the cover Refer to Procedure 7 1 2 Remove the two screws that retain the black plastic shield Remove the black plastic shield from the EFX 3 Remove the red battery lead from the lower PCA See Diagram 5 1 WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 4 Set the ohmmeter to a range that will conveniently read up to 50 Q 5 Remove the six phase generator connector from the lower PCA refer to Diagram 5 1 below 6 With an ohmmeter read between terminals 1 amp 2 terminals 1 am
3. f the generator belt If the input belt tension has been changed continue with step 7 6 Place a 20030 108 or equivalent belt gauge on the generator belt as shown in Diagram 5 3 Diagram 5 3 Generator Belt Tension Measurement WaT J Ss Generator Adjustment Bolt Generator Mounting Nut 7 The belt gauge should approximately 110 Ibs If the generator belt tension is significantly high or low it may be adjusted using the adjustment bolt shown in Diagram 5 3 First loosen but do not remove the four generator mounting nuts Thread the adjustment bolt into or out of the generator to change the belt tension When the tension is correct tighten the locking nut Tighten and torque the four generator mounting nuts to 200 inch pounds 8 If either the input pulley belt or the generator belt is being replaced with a new belt the belt tension should be set 20 Ibs higher than the previous readings Therefore a new input pulley belt should be tensioned to 180 Ibs and a new generator belt should be tensioned to 130 lbs Over time and use the belts will relax and the tensions will be as stated in steps 4 and 7 9 Reconnect the red battery lead to terminal M6 of the lower PCA Page 17 C576i Self Powered Elliptical Fitness Crosstrainer 10 Set the right side of the rear cover in it s mounting position and rotate it clockwise Ensure that the cover is fully engaged and fasten it with the screw removed in step 1 Set the lef
4. p 3 terminals 1 amp 5 terminals 1 amp 6 and terminals 1 amp 7 on the six phase generator connector J1 Each of the readings should be between 36 Q and 40 Q 7 If any of the readings are significantly high or significantly low remove the intermediate cable from the generator and perform the same measurements as in step 4 on the generator connector If the reading are now correct check and or replace the intermediate cable refer to Diagram 5 1 If the readings are still incorrect remove the six phase generator 8 Replace the generator per Procedure 7 18 Reconnect the intermediate cable removed in step 5 to the replacement generator and the lower PCA 9 Reconnect the red battery lead to terminal M6 of the lower PCA 10 set the black plastic shield in its mounting position and fasten it with the screws removed in step 2 11 Set the right side of the rear cover in it s mounting position and rotate it clockwise Ensure that the cover is fully engaged and fasten it with the screw removed in step 1 Page 14 C576i Self Powered Elliptical Fitness Crosstrainer Diagram 5 1 Lower PCA Lower Interconnect Cable Red Battery Connection Ihe Load lary Resistor mee Bet i Generator Connections l eee iN Connector Page 15 C576i Self Powered Elliptical Fitness Crosstrainer Procedure 5 2 Inspecting and Adjusting Belt Tension Procedure 1 Remove both screws at the rear of the rear cover Gras
5. p the right side of the rear cover and rotate it counterclockwise to remove the cover Grasp the left side of the rear cover and rotate it clockwise to remove the cover Refer to procedure 7 1 WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know WARNING If the EFX has been in recent use the load resistors and mounting bracket may be extremely hot 2 Remove the two screws that retain the black plastic shield on the left side of the EFX Remove the black plastic shield from the EFX 3 Place a 20030 108 or equivalent belt gauge on the input belt as shown in Diagram 5 2 Diagram 5 2 Input Belt Tension Measurement AA a aia Left Side Adjustment Bolt Page 16 C576i Self Powered Elliptical Fitness Crosstrainer 4 The belt gauge should read approximately 160 Ibs If the belt tension is significantly high or low the belt tension may be adjusted using the adjustment bolts shown in Diagram 5 2 To adjust the belt tension first straighten the locking tabs on both bolts When adjusting the tension turn both bolts equal amounts When the adjustment is complete the step up pulley shaft must remain perpendicular to the frame and drive belt Turning the adjustment bolts clockwise will increase belt tension turning the adjustment bolts counter clockwise will decrease belt tension 5 Changing the tension of the input drive belt will also affect the tension o
6. s the A D number will change The A D number must be 127 and the physical measurement must be 9 1 2 inches for the calibration to be correct Lift the ramp off of the frame and slide the incline motor yoke into the ramp Do not rotate the incline motor yoke any more than is absolutely necessary to align the incline motor yoke with the ramp Fasten the incline motor yoke in the ramp with the hardware removed in step 3 Replace the lower front portion of the front cover with the hardware removed in step 1 Replace the lift cover per Procedure 7 2 Operate the incline through its entire range to ensure proper operation Page 20
7. t side of the rear cover in it s mounting position and rotate it counterclockwise Ensure that the cover is fully engaged and fasten it with the screw removed in step 1 Page 18 C576i Self Powered Elliptical Fitness Crosstrainer Procedure 5 3 Calibrating the Incline Motor 1 Set the incline at its lowest position and remove the lift cover per Procedure 7 2 1 Remove the four screws that retain the lower front portion of the front cover Remove the lower front cover 2 Grasp the center ramp cover and lift it to unsnap it from the ramp Remove the cover 3 Remove the two bolts that retain the incline motor yoke assembly in the ramp 4 Carefully slide the incline motor yoke out of the ramp and lower the ramp until it is resting on the frame Diagram 5 4 incline Motor Mounting and Calibration incline Yoke 5 Access the incline A D reading via the Lift Test portion of the Diagnostic Program see Procedure 3 2 6 With the A D number displayed set it for a reading of 127 using the CROSSRAMP vw and CROSSRAMP a keys Page 19 10 11 12 C576i Self Powered Elliptical Fitness Crosstrainer Rotate the incline motor yoke on the incline motor drive screw until the measurement between the top of the incline nut and the end of the incline motor drive screw is 9 1 2 inches See Diagram 5 4 While rotating the incline motor yoke do not allow the incline motor drive screw to rotate If the incline motor drive screw rotate
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