Home

Service Manual, 5.33 EFX.fm

Contents

1. 5 33 Elliptical Fitness Crosstrainer Remove the four bolts that fasten the ramp to the rear ramp bracket See Diagram 7 20 Remove two bolts four washers and two nuts that fasten the ramp to the front ramp support Remove the ramp from the EFX Remove the two bolts at the lower end of the ramp support remove the ramp support Set the replacement ramp support at its mounting position fasten it to the frame base with the bolts removed in step 8 Torque the bolts to 20 ft Ib Set the replacement ramp in it s mounting position replace the bolts washers and nuts removed in step 6 Do tighten the bolts at this time Replace the four bolts and washers removed in step 5 that fasten the ramp to the rear ramp bracket Torque the four bolts between the ramp and rear ramp bracket to 12 ft Ibs Torque the two bolts between the ramp and the front ramp support to 20 ft Ibs Replace the ramp end cap with the screw removed in step 4 Rotate both stairarms forward so that they are resting on the ramp Set the replacement right stairarm connector at its mounting position and slide the secondary link onto the right stairarm connector Replace but do not tighten the hardware removed in step 3 Torque the two bottom bolts to 50 in Ibs Torque the horizontal bolt to 11 ft lbs Set the replacement left stairarm connector at its mounting position and slide the secondary link onto the left stairarm connector Replace but do not tighten
2. PCA 453 J2 2 J2 1 Mid Point Connector Page 91 5 33 Ellipitical Fitness Crosstrainer Block Diagram 8 2 5 33 120 Vac Serial codes CR and ST XJJOZL ces W8 sAg JosseooJdoJoIA VOdn Page 92 5 33 Elliptical Fitness Crosstrainer Wiring Diagram 8 3 5 33 120 Vac Serial code AAAB Input Module Keyboard P1 J3 Speed Sensor J6 2 5 8 J7 2 5 8 J7 1 4 7 J7 6 Upper PCA J7 1 J6 1 4 7 J6 6 J7 2 Lower PCA 13 J1 1 J1 2 Page 93 5 33 Ellipitical Fitness Crosstrainer Block Diagram 8 4 Block Diagram Serial code AAAB ADFJ X33 0cl S Josuas paads wajsis 105582 01d 0121 A Jaddp ows use J v3dn puoAag 340 O Page 94
3. position If a error 5 key depressed message is immediately displayed when the EFX is powered up replace the upper PCA If a error 5 key depressed message is not displayed when the EFX is powered up replace the display housing front panel The display housing front panel is equipped with the keypad If you have performed all of the procedures above and have been unable to correct the problem call Precor customer service Access the diagnostics program per procedure 2 1 If the key s necessary to access the diagnostic program is not functioning skip to step 14 Test the keypad per Procedure 2 1 step 6 If all of the keys test good the problem may be user error or a key function that is normally disabled during a particular user program If one or more keys do not function correctly either the keypad display housing or upper PCA could be defective Replace the display and repeat step 12 If the display housing did not correct the problem re install the original display housing and replace the upper PCA If you have performed all of the procedures above and have been unable to correct the problem call Precor customer service Page 26 5 33 Elliptical Fitness Crosstrainer Procedure 6 3 Troubleshooting the Speed Sensor Circuit Description The speed sensor is a reed switch A magnet is mounted on the step up pulley The magnet passes the speed sensor once per revolution The output from the speed sensor is
4. test the EFX per Section Four Page 83 5 33 Ellipitical Fitness Crosstrainer Procedure 7 28 Replacing a Rear Cover Support Procedure 1 Set the on off switch in the off position Remove the A C line cord from the A C outlet and from the power entry module 2 Remove the top left and right cover sections per Procedure 7 1 Diagram 7 30 Rear Cover Support gt Mounting Screw Rear Cover Support 3 Remove the blue wire from terminal D the brown wire from terminal A and the green wire from the ground terminal of the power entry module 4 Remove the two screws that mount the power entry module to the rear cover support 5 Remove the four screws that fasten the rear cover support to the frame base Remove the rear cover support 6 Setthe replacement rear cover support at it s mounting position Fasten it to the frame base with the four screws removed in step 5 7 Setthe power entry module at it s mounting position in the rear cover support and secure the power entry module with the screws removed in step 4 8 Replace the wires removed in step 3 Connect the blue wire to terminal D the brown wire to terminal A and the green wire to the ground terminal of the power entry module Page 84 5 33 Elliptical Fitness Crosstrainer 9 Replace the top left and right cover sections per Procedure 7 1 10 Insert the A C line cord in the power entry module and the A C outlet 11 Set the on off switch in th
5. value will be displayed as the total number of hours of use Fractional parts of an hour are stored internally the display will be truncated to the nearest full hour Press the ENTER key to proceed to the software version display The display name SW VERSION will be displayed for 2 seconds The upper software version UPPER X XX will be displayed Pressing either SELECT key will toggle between the upper and lower software version display Press the ENTER key to proceed to the error log display The display name ERROR LOG will be displayed for 2 seconds The first error log entry will be displayed 1 ERXX Pressing the A V keys will move you through the log entries Entry 1 will be the most recent error log entry with each succeeding entry being older than the preceding entry Pressing the SELECT key will toggle the display between the log entry ERROR the odometer reading STRIDES when the error occurred and the hour meter HOURS when the error occurred Page 8 5 33 Elliptical Fitness Crosstrainer 16 Pressing and holding the QUICK START key for 2 seconds will cause the prompt CLEAR to be displayed holding the QUICK START for an additional 2 seconds will clear all existing entries from the error log The display will confirm that the error log has been cleared by displaying OK The display will revert to the first log entry and show it as a null entry 1 If the QUICK START key is not held for a minimum of 4 s
6. Blue Wire Brown Wire On Off o Switch j A C Input Green Wire 3 Remove the blue wire from terminal D the brown wire from terminal A and the green wire from the ground terminal of the power entry module 4 Remove the two screws that fasten the power entry module to the rear cover support Remove the power entry module from the rear cover support 5 Open the fuse compartment and remove both fuses See Procedure 7 29 Check both fuses with an ohmmeter They should read approximately 10 or less Replace any fuse that reads significantly high 6 Install the tested fuses from step 5 in the replacement power entry module Page 43 10 11 5 33 Ellipitical Fitness Crosstrainer Set the replacement power entry module at it s mounting position secure the power entry module with the screws removed in step 4 Replace the wires removed in step 3 Connect the blue wire to terminal D the brown wire to terminal A and the green wire to the ground terminal of the power entry module Replace the left and right cover sections per Procedure 7 1 Insert the A C line cord in the power entry module and the A C outlet Set the on off switch in the on position and test the EFX per Section Four Page 44 5 33 Elliptical Fitness Crosstrainer Procedure 7 6 Replacing a Crankarm Assembly Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and bet
7. Ellipitical Fitness Crosstrainer The following list is a summary of the tools and equipment required when you service Precor s EFX 5 33 TOOLS phillips and flat head screwdrivers standard and metric allen wrench sets open end wrench set drive ratchet and ratchet set socket drive allen set chip puller rubber mallet snap ring pliers 100 ft lb torque wrench 300 in Ib torque wrench belt gauge part 20030 117 EQUIPMENT anti static wrist strap 20024 101 digital multimeter Supplies blue loctite cable ties Spares interconnect cables Page 4 5 33 Elliptical Fitness Crosstrainer Procedure 2 1 Accessing the Diagnostic Program The EFX 5 33 diagnostic software cycles through the following tests Display Test e Keyboard Test e Heart Rate Test Brake eddy current Test Procedure 1 Plug the power cord into the wall outlet then turn on the EFX 5 33 with the on off switch Note For the purpose of entering the key sequences to access the various diagnostic programs the keypad keys are hypothetically numbered from 1 to 7 from left to right 2 With the PRECOR EFX 5 33 banner displayed access the diagnostic program by pressing keys RESET 5 1 7 6 5 7 6 1 sequentially Diagram 2 1 5 33 Display p gt Y Key 3 Key 5 Page 5 10 11 12 13 14 5 33 Ellipitical Fitness Crosstrainer Watch the display as the LED test progresses The test is program
8. If you are replacing the lower interconnect cable continue with step 5 5 Remove the left and right rear cover sections On serial codes CR and ST remove the two screws that fasten the lower PCA mounting bracket to the frame See Diagram 7 4 Rotate the lower PCA mounting bracket to expose the interconnect cable Disconnect the interconnect cable from the lower PCA Page 41 10 11 12 13 14 5 33 Ellipitical Fitness Crosstrainer Securely tape one end of the replacement lower interconnect cable to the lower PCA end of the existing lower interconnect cable Carefully draw the existing lower interconnect cable out of the front of the frame as you carefully feed the replacement cable into the access hole near the lower PCA When the replacement interconnect cable emerges from the front of the frame separate the interconnect cables and discard the defective interconnect cable Connect the replacement interconnect cable to the lower PCA and mid point connector Rotate the lower PCA bracket into it s mounting position and fasten it with the screws removed in step 5 Replace the right and left rear cover sections and front frame end cap Thoroughly test the unit per Section 4 Remove the display housing per Procedure 7 2 steps 2 to 4 Set the display housing aside Disconnect the interconnect cable from the upper PCA See Diagram 7 3 Remove the four screws that fasten the display housing backplate to the main column Remove
9. Precor customer service Page 24 5 33 Elliptical Fitness Crosstrainer Procedure 6 2 Troubleshooting the Keypad and Upper PCA If the function keys on the electronic console are unresponsive the problem may be either the upper PCA or keypad The keys on this unit are touch sensitive keys It is necessary to use the keypad diagnostics to troubleshoot the key functions Procedure 1 Set the on off switch in the off position WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One 2 lfthe EFX powers up and functions normally until a particular key s is pressed skip to step 11 3 Ifa error 5 key depressed message is immediately displayed when the EFX is powered up continue with the next step 4 This condition may be caused by either the keypad or upper PCA Set the circuit breaker in the off position 5 Remove the four screws that fastens the display housing front panel to the display housing backing plate These screws are located on the rear of the display housing backing plate 6 Liftthe display housing front panel off of the display housing backing plate Remove the keypad connector from the upper PCA See Diagram 6 2 Diagram 6 2 Upper PCA amp Keypad Upper PCA J5C t onnector keypad A Connector Keypad Page 25 10 11 12 13 14 15 5 33 Ellipitical Fitness Crosstrainer Set the on off switch in the on
10. a 5 Vdc square wave the frequency of which indicates the operating speed When a square wave output is not being generated from the speed sensor the system assumes the unit is not in use WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know Procedure 1 Remove the right rear cover section per Procedure 7 1 Set the on off switch in the on position Operate the unit If the system timer has not started and a stride rate is not displayed the speed sensor is not operative We shall use the presence of a stride rate to determine when the speed sensor is functioning normally 2 A magnet must be installed in the step up pulley If the stride rate is not being displayed in step 1 verify that a magnet is installed in the step up pulley and that the space between the end of the reed switch and the step up pulley is approximately 1 8 inch See Diagram 6 3 for serial codes CR and ST or Diagram 6 4 for serial code AAAB Diagram 6 3 Speed Sensor serial codes CR and ST Step Up Pulley Magnet Reed Switch Page 27 5 33 Ellipitical Fitness Crosstrainer Diagram 6 4 Speed Sensor serial code AAAB Step Up Pulley Magnet Speed Sensor 3 Rotate the step up pulley so that the speed sensor magnet is not near the reed switch Using a DC voltmeter measure the voltage between terminal 1 and terminal 5 of J8 on the lower PCA The measure
11. assembly in it s mounting position in the EFX Replace the magnet assembly per Procedure 7 13 Complete the installation alignment and tensioning per Procedure 7 7 steps 9 to 17 Page 51 5 33 Ellipitical Fitness Crosstrainer Procedure 7 9 Replacing an Input Pulley Belt Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed 1 Procedure 1 Set the on off switch in the off position then unplug the power cord from the A C outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the front top left and right cover sections as described in Procedure 7 1 3 Remove the stairarm assemblies as described in Procedure 7 17 4 Remove the crankarm assemblies as described in Procedure 7 6 5 Remove the magnet assembly as described in Procedure 7 13 6 Remove tension from the drive belts and remove the pillow block bearings per Procedure 7 7 steps 6 to 8 7 Slide the step up and input belts off of the input drive assembly and remove the input drive assembly from the unit See Diagrams 7 10 and 7 11 8 Remove the four bolts that retain rear cover support and power entry module Swing the rear cover support away from the drive unit 9 Remove the left and right tension bolts
12. belt the narrower belt to ensure that the belt tracking on the center of the step up pulley If the belt has run off of one side of the pulley apply pressure to that side of the belt and slowly rotate the step up pulley to walk the belt back onto the step up pulley 19 Repeat the procedure in step 18 with the primary drive belt wider belt 20 Replace both stairarms as described in Procedure 7 17 21 Replace the rear covers as described in Procedure 7 1 Page 22 5 33 Elliptical Fitness Crosstrainer Procedure 6 1 Troubleshooting the Lower and Upper Interconnect Cable Typical symptoms associated with a defective interconnect cable is either an error 30 or no power to the upper PCA This procedure requires that you have a known good upper interconnect cable lower interconnect cable and mid point connector 1 Set the on off switch in the off position 2 If you are troubleshooting an error 30 31 or 32 continue with step 3 otherwise see Procedure 6 5 3 Pry the end cap out of the front of the frame base tube See Diagram 6 1 4 Carefully withdraw both cables and mid point connector Jac m Diagram 6 1 Interconnect Cables and Mid Point Connector Lower Interconnect Cable Upper Interconnect Cable Connector 5 Disconnect both cables from the mid point connector and replace the mid point connector with a known good mid point connector If the mid point connector does not correct the problem repl
13. it to 100 ft Ibs Repeat the procedure in step 16 with the left hand handlebar and upper pivot Replace the cover with the hardware removed in step 8 Connect the lower end of the upper interconnect cable to the mid point connector Careful push the mid point connector and cables into the frame tube Replace the end cap Feed the upper end of the upper interconnect cable through access hole in the display housing backplate Set the display housing backplate at it s mounting position and fasten it with the screws removed in step 5 Connect the upper interconnect cable to the J5 connector on the upper PCA Set the display housing front panel at it s mounting location and fasten it with the hardware removed in step 3 Insert the A C line cord in the A C outlet and set the on off switch in the on position Thoroughly test the EFX per Section Four Page 78 5 33 Elliptical Fitness Crosstrainer Procedure 7 25 Replacing a Frame Tube 1 Procedure 1 Setthe on off switch in the off position 2 Remove the two screws that fasten the cover near the middle of the main column Remove the cover 3 Remove the four bolts and washers that fasten the lower end of the frame tube to the frame base Diagram 7 27 omamno EM Frame Tube Mounting m US Upper Mounting SUAE Lower Mounting Bolt 4 Remove the four bolts and washers that fasten the upper end of the frame tube to the main column Remove the frame tube 5 Sett
14. locking tabs and brackets Slide the step up pulley assembly with both the step up and input belts out of the drive unit 10 Remove the input pulley belt and place the replacement input pulley belt in it s place on the step up pulley assembly 11 Set the step up pulley assembly with the step up and input belt at its mounting position in the drive unit Replace the tensioning bolts locking tabs and brackets removed in step 8 Thread the left and right tension bolts into the step up pulley shaft See Diagram 7 12 and 7 13 Page 52 5 33 Elliptical Fitness Crosstrainer Diagram 7 12 Input Pulley Belt Las Input Pulley Belt Input Pulley 12 Slide the step up and input belts onto the input drive assembly as you set the input drive assembly in its mounting position in the drive unit 13 Slide the pillow block bearings onto the input pulley shaft 14 Complete the installation alignment and tensioning per Procedure 7 7 steps 9 to 17 Page 53 5 33 Ellipitical Fitness Crosstrainer Procedure 7 10 Replacing a Step Up Pulley Belt Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed 1 Procedure 1 Setthe on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Cau
15. mounting bracket to the frame Remove the ramp mounting bracket Set the replacement ramp mounting bracket at its mounting position Fasten the ramp mounting bracket with the hardware removed in step 8 slide the wave washer onto the bolt and then the shim Torque the bolts to 25 ft Ibs Set the replacement ramp in its mounting position replace the bolts washers and nuts removed in step 6 Do tighten the bolts at this time Replace the four bolts and washers removed in step 5 that fasten the ramp to the rear ramp bracket Torque the four bolts between the ramp and rear ramp bracket to 12 ft lbs Torque the two bolts between the ramp and the front ramp support to 20 ft Ibs Replace the ramp end cap with the screw removed in step 4 Rotate both stairarms forward so that they are resting on the ramp Set the replacement right stairarm connector at its mounting position and slide the secondary link onto the right stairarm connector Replace but do not tighten the hardware removed in step 3 Torque the two bottom bolts to 50 in Ibs Torque the horizontal bolt to 11 ft lbs Set the replacement left stairarm connector at its mounting position and slide the secondary link onto the left stairarm connector Replace but do not tighten the hardware removed in step 3 Torque the two bottom bolts to 50 in Ibs Torque the horizontal bolt to 11 ft lbs Replace the front top left and right cover sections per Procedure 7 1 Thoroughly
16. the hardware removed in step 3 Torque the two bottom bolts to 50 in Ibs Torque the horizontal bolt to 11 ft lbs Replace the rear cover per Procedure 7 1 Thoroughly test the EFX per Section Four Page 81 5 33 Ellipitical Fitness Crosstrainer Procedure 7 27 Replacing a Ramp Mounting Bracket Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure 1 Set the on off switch in the off position 2 Remove the front top left and right rear cover sections per Procedure 7 1 3 Remove three bolts washers and single nut that fasten the right stairarm connector to the right stairarm Remove three bolts washers and single nut that fasten the left stairarm connector to the left stairarm 4 Rotate both stairarms to the rear so that they are resting on the floor to the rear of the EFX V Diagram 7 29 Ramp Mounting Bracket Ramp Mounting Bolt Mounting Bolt 5 Remove the screw that fastens the ramp end cap to the ramp Remove the ramp end cap 6 Remove the four bolts that fasten the ramp to the rear ramp bracket Page 82 5 33 Elliptical Fitness Crosstrainer Remove two bolts four washers and two nuts that fasten the ramp to the front ramp support Remove the ramp from the EFX Remove the two bolts wave washers and shims that fasten the ramp
17. up pulley assembly with both the step up and input belts out of the drive unit 11 Place the step up and input belts on the replacement step up pulley assembly 12 Set the replacement step up pulley assembly with the step up and input belt at it s mounting position in the unit Replace the tensioning bolts locking tabs and brackets removed in step 8 Thread the left and right tension bolts into the step up pulley shaft 13 Slide the step up and input belts onto the input drive assembly as you set the input drive assembly in its mounting position in the unit 14 Slide the pillow block bearings onto the input pulley shaft 15 Complete the installation alignment and tensioning per Procedure 7 7 steps 9 to 17 Page 56 5 33 Elliptical Fitness Crosstrainer Procedure 7 12 Replacing a Speed Sensor Assembly Procedure 1 Set the on off switch in the off position WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and right cover sections as described in Procedure 7 1 3 Disconnect the speed sensor cable from the lower PCA See Diagram 7 4 or Diagram 7 5 4 For serial codes CR and ST remove the hardware that secures the speed sensor assembly to the drive unit remove the speed sensor See Diagram 7 14 5 For serial code AAAB unsnap the speed sensor from the speed sensor clip and remove the speed sensor See Diagra
18. MPRELOR 20039 126 Move Beyond 5 33 Elliptical Fitness Crosstrainer 5 33 Elliptical Fitness Crosstrainer Warning This service manual is for use by Precor trained service providers only If you are not a Precor Trained Servicer you must not attempt to service any Precor Product Call your dealer for service This document contains information required to perform the majority of troubleshooting and replacement procedures required to repair and maintain this product This document contains general product information software diagnostic procedures when available preventative maintenance procedures inspection and adjustment procedures troubleshooting procedures replacement procedures and electrical block and wiring diagrams To move directly to a procedure click the appropriate procedure in the bookmark section to the left of this page You may drag the separator bar between this page and the bookmark section to change the size of the page being viewed 2004 Precor Incorporated Unauthorized Reproduction and Distribution Prohibited By Law Page 1 5 33 Ellipitical Fitness Crosstrainer Section One Things You Should Know Right Left Front and Back Conventions In this manual right left front and back are from the perspective of a user standing on the EFX 5 33 facing the display enclosure Three versions of 5 33 have been manufactured Version 1 serial code CR and version 2 serial code ST are essentially the
19. Set the cable aside to be re installed later 8 Remove the two screws that fasten the cover near the middle of the main column Remove the cover Diagram 7 26 Main Column zm Lower Mounting Bolt We Upper Frame Tube Bolt Cover Cover Screw Page 77 10 11 12 13 14 15 16 17 18 19 20 21 22 5 33 Ellipitical Fitness Crosstrainer Unthread the right hand upper pivot from the main column with a 7 16 allen wrench A 7 16 hex key bit that fits your torque wrench will be required in step 16 Rotate the handlebar with upper pivot forward until it rests on the floor Repeat the procedure in step 9 with the left hand upper pivot and handlebar Remove the left and right frame tube per Procedure 7 25 steps 1 4 Remove the two bolts and washers that fasten the bottom of the main column to the frame base Remove the main column Feed the upper interconnect cable into the replacement main column so that an end of the cable protrudes from both ends of the main column Set the main column at it s mounting location with the lower end of the upper interconnect cable in the access hole in the frame base Replace bolts and washers removed in step 12 and torque them to 240 in Ibs Replace the left and right frame tubes per Procedure 7 25 steps 5 7 Rotate the right hand handlebar with upper pivot into it s mounting position Thread the upper pivot into the main column and torque
20. ace the original mid point connector and continue with step 5 Page 23 10 11 5 33 Ellipitical Fitness Crosstrainer Remove the rear cover Disconnect the lower interconnect cable from the lower PCA and the mid point connector Substitute a known good interconnect cable from the lower PCA to the mid point connector It is not necessary to route the test interconnect cable through the frame tube for convenience route it externally If the lower interconnect cable corrects the problem replace the cable per Procedure 7 4 If the lower interconnect cable does not correct the problem re connect the original lower interconnect cable to the lower PCA and mid point connector and continue with step 7 Remove the upper display housing per Procedure 7 2 steps 1 to 4 Disconnect the upper interconnect cable from the mid point connector Substitute a known good interconnect cable from the upper PCA to the mid point connector It is not necessary to route the test interconnect cable through the frame tube for convenience route it externally If the upper interconnect cable corrects the problem replace the cable per Procedure 7 4 If the upper interconnect cable does not correct the problem re connect the original upper interconnect cable to the mid point connector and continue with step 9 Replace the upper PCA per Procedure 7 2 steps 9 to 11 If you have performed all of the procedures above and have been unable to correct the problem call
21. age 10 5 33 Elliptical Fitness Crosstrainer Procedure 2 4 Documenting Software Problems When a problem is found with either the software or upper or lower PCA s record the information listed below If you isolated the problem to either the PROM upper PCA or lower PCA include the information you have recorded with the malfunctioning PROM or PCA when you ship it to Precor When a problem occurs record the following information Model and serial number Software version numbers for upper and lower PCA s Note Look at the PROM mounted on the upper PCA A label on the PROM indicates the software version number The part number of the PROM indicates the version number User and program number running when the problem occurred Adescription of a What happened or failed to happen b The action taken by the user just before the problem occurred c Problem related information such as how far into the program the problem occurred the work level being used when the problem occurred etc The frequency of occurrence Page 11 5 33 Ellipitical Fitness Crosstrainer Section Three Preventive Maintenance Preventive maintenance measures are either scheduled or unscheduled Scheduled preventive maintenance activities are included here so that you are aware of the preventive measures to be performed on a regular basis Regular Preventive Maintenance Owner Cleanliness of the EFX 5 33 and its operating environme
22. arm to the twelve o clock position and measure the distance from the crankarm to the frame weldment If the two measurements are different by more than 1 16 inch continue with step 5 If the two measurements are within 1 16 inch skip to the input drive axle to step up pulley axle alignment procedure Diagram 5 5 Crankarm to Frame Weldment Measurements 5 Onthe side with the larger measurement loosen the upper pillow block mounting nut only do not loosen the lower pillow block mounting nut On the side with the smaller measurement loosen both pillow block mounting nuts See Diagram 5 6 For purposes of illustration we will assume that the left measurement was larger than the right side measurement in Diagram 5 7 Page 20 5 33 Elliptical Fitness Crosstrainer Diagram 5 6 Pillow block Mounting Bolts Loosen Loosen Loosen Do not Loosen 6 Using a rubber mallet gently tap the top of the pillow block with two loosened nuts the right hand pillow block in our illustration until the two measurements in Diagram 5 6 are within 1 16 inch 7 Torque the three loose pillow block mounting nuts to 80 inch pounds Input Drive Axle to Step Up Pulley Axle Alignment 8 Markthe current position of the step up pulley on both side of the drive weldment 9 On both sides of the drive weldment measure the distance from the input drive axle to the step up pulley axle See Diagram 5 7 Diagram 5 7 Axle to Axle Measurement In
23. ating 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 v 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 v key until you reach Resistance Level 20 Operate the EFX for another 2 3 minutes If the resistance of the EFX 5 33 does not change or the EFX operation feels inconsistent with Resistance Levels 1 and 10 troubleshoot per Procedure 6 5 Check the LED s mounted on the upper PCA and the function keys displayed on the electronic console by performing Procedure 2 1 Turn off the EFX with the circuit breaker then unplug the power cord from the wall outlet Page 13 5 33 Ellipitical Fitness Crosstrainer Procedure 5 1 Measuring the Resistance of an Eddy Current Magnet Caution Remove power from the EFX before you measure magnet resistance Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 1 Remove the rear cover as described in Proced
24. belt See Diagram 5 3 b Straighten the locking tabs and turn the left and right tension bolts counterclockwise until tension is removed from the step up belt See Diagram 5 3 c Slide the input and step up belts off of their pulleys 7 Remove the nuts that secure both pillow block bearings to the mounting studs serial codes CR and ST or mounting bolts serial code AAAB on the drive weldment uprights See Diagram 7 9 or Diagram 7 10 8 Liftthe pillow block assembly off of the mounting studs and slide the pillow block assembly off of the input pulley shaft 9 Slide the replacement bearings onto the input pulley shaft and set the pillow block bearings in their mounting position on the frame studs Page 47 5 33 Ellipitical Fitness Crosstrainer Input Pulley z Mounting Nut Pillow Block Bearing 10 Thread and hand tighten the pillow block mounting nuts onto the mounting studs or mounting bolts Torque the pillow block mounting nuts to 80 in lbs 11 Tighten the right and left hand tension bolts and the input belt tensioner adjustment bolt to remove most of the slack from the belt Page 48 5 33 Elliptical Fitness Crosstrainer Tension the belts per Procedure 5 2 Replace the crankarm s per Procedure 7 6 Replace the eddy current magnet per Procedure 7 13 Check the input drive adjustment per procedure 5 3 Replace the stairarms per Procedure 7 17 Replace the front top left and right cover s
25. bottom of the front cover section to the frame Lift the rear portion of the frame cover and carefully remove the front cover section If it is necessary to remove the frame cover lift the rear of the frame cover slide the frame cover out of the ramp and remove the frame cover Diagram 7 2 Top Cover Section with right amp left cover sections removed Top Cover Section Mounting Screw Front Cover Frame Section Upright If all four cover sections have been removed first replace the frame cover and front cover section then the top cover section and then the left and right cover sections as described below Slide the tongue of the frame cover into the ramp Lift the rear of the frame cover and fit the front cover against the frame cover Slide the front and frame covers into place as a unit Replace and tighten the four phillips screws that fasten the frame cover to the frame Replace and tighten the two phlliips screws that fasten the front cover section to the frame Set the top cover section in it s mounting position replace and tighten the two phillips screws that fasten the top cover section to the frame upright See Diagram 7 2 Replace and tighten the three screws that fasten the top cover section to the rear cover support Replace and tighten the two screws that fasten the top cover section to the front cover section Set the left cover section in it s mounting position replace and tighten the four screws that fasten the l
26. cal Set the on off switch in the off position and test the unit by checking all moving parts in the drive section and stairarms for worn parts that could be binding Replace the appropriate parts Page 29 10 11 12 13 14 5 33 Ellipitical Fitness Crosstrainer Set the on off switch in the on position enter the manual program and set the resistance at level 10 Using a DC voltmeter check the voltage across the magnet wires at the lower PCA The voltage should measure approximately 25 Vdc If the voltage is still significantly high or low there are two parts that could cause the problem There are not any good tests to check these parts other than substituting a known good part They are lower PCA and upper PCA Replace only one part at a time If the new part does not correct the problem re install the original part Set the on off switch in the off position Using an ohmmeter measure between the magnet wires at the lower PCA The measurement should be approximately 900 to 110 If the measurement is significantly low check the connections at both magnets and the lower PCA With an ohmmeter measure between each magnet wire and frame ground A normal reading for both measurements is open oo If the resistance is significantly low disconnect the magnet cable from the lower PCA For serial codes CR and ST repeat the measurements in step 11 if either measurement is significantly low replace the lower PCA to
27. cing a Stairarm Pivot Block Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and or right cover sections as described in Procedure 7 1 3 Remove the mounting bolt and nut that fastens the stairarm pivot block to the stairarm See Diagram 7 17 4 Slide the stairarm off of the stairarm pivot block 5 Remove the stairarm pivot block retaining ring from the crankarm pin Slide the stairarm pivot block off of the crankarm pin If the stairarm pivot block is being replaced because of excessive wear check the condition of the crank arm pin it may be necessary to replace the crankarm Diagram 7 17 Stairarm Mounting Mounting Bolt Na Retaining Ring Pivot Block Crankarm Page 61 5 33 Ellipitical Fitness Crosstrainer Slide the stairarm pivot block onto the crankarm pin and replace the retaining ring removed in step 5 Slide the stairarm onto the stairarm pivot block Install and hand tighten the stairarm pivot block mounting hardware Torque the stairarm pivot block mounting bolt to 15 f
28. d or right cover sections as described in Procedure 7 1 Remove the mounting bolt and nut that fastens the stairarm pivot block to the stairarm See Diagram 7 17 Slide the stairarm off of the stairarm pivot block Set the stairarm pedal at it s mounting position on the replacement stairarm Install and hand tighten the stairarm pedal mounting hardware removed in step 2 Torque the stairarm pedal mounting bolts to 60 in lbs Remove and replace the wheel per procedure 7 15 Slide the replacement stairarm assembly onto the stairarm pivot block Install and hand tighten the stairarm pivot block mounting hardware Torque the stairarm pivot block mounting hardware to 15 ft Ibs Set the replacement stairarm connector at it s mounting position and slide the secondary link onto the stairarm connector Replace but do not tighten the hardware removed in step 3 Torque the two bottom bolts to 50 in Ibs Torque the horizontal bolt to 11 ft lbs Replace the left and or right cover sections per Procedure 7 1 Page 65 5 33 Ellipitical Fitness Crosstrainer Procedure 7 18 Replacing a Ramp Assembly Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure 4 Diagram 7 20 Lower Ramp Mounting Set the on off switch in the off position Remove the front top left and ri
29. e Smart Rate L E D s will turn on and the Smart Rate L E D associated with the heart rate being received will flash each time a heart beat is detected Press the ENTER key to proceed to the brake test The test name BRAKE will be displayed for 2 seconds Page 6 5 33 Elliptical Fitness Crosstrainer 15 The resistance level will be displayed on the left side of the display and the corresponding power bits duty cycle will be displayed on the right side of the display Initially the power bits level will be zero pressing the A v keys will change the number of power bits being applied to the eddy current system 16 Press the ENTER or RESET key to exit the diagnostics program Page 7 5 33 Ellipitical Fitness Crosstrainer Procedure 2 2 Accessing the Information Display Procedure 1 2 Plug the power cord into the wall outlet then turn on the EFX 5 33 with the on off switch With the PRECOR EFX 5 33 banner displayed press keys RESET 6 5 sequentially The EFX 5 33 Information display cycles through the following displays 10 11 12 13 14 15 a Odometer b Hour meter c Software version d Error log The display name ODOMETER will be displayed for 2 seconds Then the odometer value will be displayed as total strides accumulated Press the ENTER key to proceed to the hour meter display The display name HOUR METER will be displayed for 2 seconds Then the hour meter
30. e approximately 8 3 Vac If the reading in step 14 is good replace the upper PCA If the reading in step 14 is significantly low set the on off switch in the off position Disconnect the data cable from the upper PCA Set the on off switch in the on position Measure between terminals 1 and 8 of the data cable connector on the lower PCA with a DC voltmeter See Diagram 6 5 or Diagram 6 6 The reading should be approximately 8 3 Vac if the measurement is good replace the upper PCA If the measurement is significantly low continue with step 18 Disconnect the speed sensor cable from the lower PCA and repeat the measurement in step 17 If the measurement is good replace the speed sensor If the measurement is significantly low replace the interconnect cable If you have performed all of the above tests and are unable to resolve the problem contact Precor customer support Diagram 6 5 Lower PCA serial codes CR and ST Bn E H s d H i Data Cable a een Connector _ L HA Hi H3 Page 32 5 33 Elliptical Fitness Crosstrainer Diagram 6 6 Lower PCA serial code AAAB Data Cable Magnet vane z E Speed Sensor Connector LI FACER v e RA AC Input Wiring Page 33 5 33 Ellipitical Fitness Crosstrainer Procedure 7 1 Replacing or Removing a Rear Cover Section Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between th
31. e on position and test the EFX per Section Four Page 85 5 33 Ellipitical Fitness Crosstrainer Procedure 7 29 Replacing a Power Entry Module Fuse Procedure 1 Set the on off switch in the off position Remove the A C line cord from the A C outlet and from the power entry module 2 Using a thin bladed screwdriver carefully pry the fuse access door open See Diagram 7 31 or Diagram 7 32 Diagram 7 31 Power Entry Module Fuse serial codes CR and ST Fuse Module Fuse i arc z dna Win Gan at m t tt xa a Nt 2 SSS Seg ve o t TE V rutina PERE Is 2121 Power Entry Module ii 3 Using a thin bladed screwdriver carefully pry the fuse module out of the power entry module Fuse Access Door 4 The fuse module contains two fuses carefully remove one or both fuses out of the fuse module as required 5 Insert the replacement fuse s into the fuse module Use only 2 amp time delay fuses 6 Slide the fuse module back into the power entry module and close the fuse access door 7 Insert the A C line cord in the power entry module and the A C outlet Page 86 5 33 Elliptical Fitness Crosstrainer Power Entry Module Fuse Fuse Module 8 Set the on off switch in the on position and test the EFX per Section Four Page 87 5 33 Ellipitical Fitness Crosstrainer Procedure 7 30 Replacing the Handlebar to Stairarm Link
32. e stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure 1 Set the on off switch in the off position then unplug the power cord from the A C outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 The rear cover is a four piece cover front top left and right sections If the front cover section is being removed the frame cover must also be removed See Diagram 7 1 3 If you are removing either the right or left cover section it is only necessary to remove the four screws that fasten the cover section Diagram 7 1 Frame Cover Mounting Screw 4 Ifyou are replacing either the front or top cover section you must first remove the left and right cover sections and then remove the cover section being replaced 5 If you are removing the top cover See Diagram 7 2 remove the two phillip screws that fasten the top cover section to the frame upright Remove three screws that fasten the top cover section to the rear cover support Remove two screws that fasten the top cover section to the front cover section Page 34 5 33 Elliptical Fitness Crosstrainer If you are removing the front cover section the right left and top cover sections must be removed first Remove the four screws that fasten the frame cover to the frame See Diagram 7 1 Remove two phillips screws that fasten the
33. e the single mounting screw and spacer from the lower PCA The other three mounting points are plastic snap on standoffs Squeeze the tab on the standoff with a pair of pliers and lift the PCA to remove the PCA from the other three mounting points Press the replacement lower PCA onto the three plastic standoffs Place the spacer under the forth mounting hole and fasten with the screw removed in step 12 Replace the wiring removed in step 11 as shown in Diagram 7 5 Page 39 15 16 5 33 Ellipitical Fitness Crosstrainer Remove the ground lead of the wrist strap from the EFX frame then remove the wrist strap from your arm Re install the left and right rear cover sections per Procedure 7 1 Check the operation of the EFX 5 33 as described in Section Four Page 40 5 33 Elliptical Fitness Crosstrainer Procedure 7 4 Replacing a Lower or Upper Interconnect Cable Procedure Note Before you install a new interconnect cable ensure that the interconnect cable is defective Refer to Procedure 6 1 1 Set the on off switch in the off position 2 Pry the end cap out the front of the frame base tube with a thin bladed screwdriver See Diagram 7 6 3 Carefully withdraw both cables and mid point connector Diagram 7 6 Interconnect Cables and Mid Point Connector Lower Interconnect Cable Upper Interconnect Cable Mid point Connector 4 If you are replacing the upper interconnect cable skip to step 9
34. econds the error log will not be cleared 17 Press the ENTER or RESET key to exit the information display program Page 9 5 33 Ellipitical Fitness Crosstrainer Procedure 2 3 Accessing the Set User Parameters Display Selecting United States standard units causes information to be displayed in miles Information is displayed in kilometers if metric units are selected After you select a measurement standard the software accumulates and records workout information in the units of the measurement standard selected Procedure 1 Plug the power cord into the wall outlet then turn on the EFX 5 33 with the on off switch 2 With the PRECOR EFX 5 33 banner displayed press keys RESET 5 6 7 1 sequentially 3 The display name SELECT UNITS will be displayed for 2 seconds 4 One of two measurement standards will be displayed U S Standard or Metric 5 fU S Standard is selected weights will be in pounds and distances will be in miles If Metric is selected weights will be in kilograms and distances in kilometers 6 If you wish to change the measurement standard THEN OTHERWISE Use the A or v keys to toggle Continue with the next step to an alternate measurement standard then continue with the next step 7 Press the ENTER key to save the currently displayed selection and exit the set user parameters display or press the RESET key to leave the selection unchanged and exit the set user parameters display P
35. ections per Procedure 7 1 Page 49 5 33 Ellipitical Fitness Crosstrainer Procedure 7 8 Replacing an Input Drive Assembly Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure Note The input drive assembly consists of the input pulley assembly and eddy current disk assembly 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the front top left and right cover sections as described in Procedure 7 1 3 Remove the stairarm assemblies as described in Procedure 7 17 4 Remove the crankarm assemblies as described in Procedure 7 6 5 Remove the eddy current magnet per Procedure 7 13 6 Remove tension from the drive belts and remove the pillow block bearings per Procedure 7 7 steps 6 to 8 7 Slide the step up and input belts off of the input drive assembly and remove the input drive assembly from the EFX See Diagrams 7 11 and 7 12 Diagram 7 11 Eddy Current Disk Pillow Block Bearing Eddy Current Disk Crankarm Page 50 10 5 33 Elliptical Fitness Crosstrainer Slide the step up and input belts onto the input drive assembly as you set the input drive
36. eddy current magnet wiring If both measurements are open o continue with step 13 Measure from both eddy current magnet wires to frame ground A normal reading for both measurements is open co If the either resistance measurement is significantly low replace the eddy current magnet If you have performed all of the above tests and the resistances are still incorrect call Precor Technical Support Page 30 5 33 Elliptical Fitness Crosstrainer Procedure 6 5 Upper Display does not Illuminate Note Serial codes CR and ST are equipped with two fuses in the A C power module and two fuses on the lower PCA Serial code AAAB is equipped with two fuses in the A C power module and no fuse on the lower PCA Serial codes CR and ST have two LED s one green and one red on the lower PCA Serial code AAAB has one green LED on the lower PCA 1 2 10 11 12 13 Set the on off switch in the off position unplug the line cord from the wall outlet Remove the F3 fuse from the lower PCA serial codes CR and ST only See Diagram 6 5 Remove the fuse s from the power entry module See Procedure 7 29 Check the fuse s with an ohmmeter They should read approximately 10 or less Replace any fuse that reads significantly high Replace the fuses in the power input module do not replace the lower PCA fuse serial codes CR and ST at this time With the line cord still unplugged from the wall outlet set the on off s
37. edure 7 16 Replacing a Stairarm Pedal Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed 1 Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet 2 Loosen and remove the two bolts that fasten the stairarm pedal onto the stairarm 3 Remove the stairarm pedal from the stairarm 4 Setthe replacement stairarm pedal at it s mounting position on the stairarm 5 Install and hand tighten the stairarm pedal mounting hardware removed in step 2 Torque the stairarm pedal mounting bolts to 11 ft Ibs Diagram 7 19 Stairarm Pedal Stairarm Mounting Bolt Pedal Page 64 5 33 Elliptical Fitness Crosstrainer Procedure 7 17 Replacing a Stairarm Warning Care must be taken when work is being performed in the area of the stairarms Pinch 12 13 points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure Set the on off switch in the off position then unplug the power cord from the wall outlet Loosen and remove the two bolts that fasten the stairarm pedal onto the stairarm Remove the stairarm pedal from the stairarm Remove three bolts washers and single nut that fasten the stairarm connector to the stairarm See Diagram 7 25 Remove the left an
38. eft cover section to the front cover section top cover section and rear cover support Set the right cover section in it s mounting position replace and tighten the four screws that fasten the right cover section to the front cover section top cover section and rear cover support Page 35 5 33 Ellipitical Fitness Crosstrainer Procedure 7 2 Replacing a Display Enclosure or Upper PCA Procedure Anti static kits part number 20024 101 can be ordered from Precor The keyboard is part of the display housing front panel If the keyboard is not functioning properly replace the display housing front panel Removing the Display Housing Front Panel 1 Set the on off switch in the off position WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Attach the anti static wrist strap to your arm then connect the ground lead of the wrist strap to the units frame 3 Remove the four screws that secure the display housing front panel to the display backing plate 4 Disconnect the upper interconnect cable J5 and the heart rate cable J1 from the upper PCA Removing and Replacing the Upper PCA 5 Carefully disconnect the keyboard cable from the upper PCA connector J2 6 Remove the four screws that secure the upper PCA to the display housing front panel Note Package the upper PCA in an anti static bag and document the problem as descr
39. elt Step Up Pulley Belt Step Up Pulley f Tension Bolt amp lt Tension Bolt 13 Slide the pillow block bearings onto the input pulley shaft 14 Complete the installation alignment and tensioning per Procedure 7 7 steps 9 to 17 Page 55 5 33 Ellipitical Fitness Crosstrainer Procedure 7 11 Replacing a Step Up Pulley Assembly Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed 1 Procedure 1 Setthe on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the front top left and right cover sections as described in Procedure 7 1 3 Remove the stairarm assemblies as described in Procedure 7 17 4 Remove the crankarm assemblies as described in Procedure 7 6 5 Remove the magnet assembly as described in Procedure 7 13 6 Remove tension from the drive belts 7 Slide the step up and input belts off of their pulleys 8 Remove the left and right tension bolts locking tabs and brackets 9 Carefully lay the EFX on it s side Remove the four bolts that retain rear cover support and power entry module Swing the rear cover support away from the drive unit 10 Slide the step
40. ens the handlebar to the secondary link 3 Remove the retaining ring that fastens the secondary link to the stairarm connector 4 Slide the secondary link off of the stairarm connector Diagram 7 24 Secondary Link Mounting Handlebar id Stairarm Connector Mounting Bolt Secondary Link 5 Slide the replacement secondary link onto the stairarm connector Fasten the secondary link to the stairarm connector with retaining ring removed in step 3 Page 73 5 33 Ellipitical Fitness Crosstrainer 6 Fasten the secondary link to the handlebar with the bolt removed in step 2 Torque the bolt to 156 in lbs 7 Set the on off switch in the on position and thoroughly test the EFX per Section Four Page 74 5 33 Elliptical Fitness Crosstrainer Procedure 7 23 Replacing a Stairarm Connector serial codes CR and ST only Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed 1 Procedure 1 Set the on off switch in the off position 2 Remove the retaining clip that fastens the secondary link to the stairarm connector 3 Remove three bolts washers and single nut that fasten the stairarm connector to the stairarm Diagram 7 25 Stairarm Connector Mounting a Stairarm Connector Secondary Link 4 Setthe replacement stairarm connector at its mount
41. ep up belt tension bolt 1 4 turn counterclockwise 12 Repeat step 11 alternating between the right and left step up belt tension bolts until the alignment is correct Page 16 5 33 Elliptical Fitness Crosstrainer 13 Belt tension must now be checked and if necessary corrected Remember if it is necessary to change belt tension the belt alignment must be maintained Diagram 5 3 Drive Unit Input Se UH N Belt Adjustment Slot Step Up Belt Input Belt Tensioner Egi Step Up Belt Tension Bolt 14 Place a belt gauge McMaster Carr 6160K12 or Grainger 3HX33 in the middle of the step up belt at the center of the belt span see Diagram 5 4 Lay a straight edge along the length of the belt and beside the belt gauge Slide one of the o rings up against the shoulder of the belt gauge Press downward on the belt gauge causing the belt to deflect Read the deflection on the belt gauge at the edge of the straight edge Deflect the belt 1 4 Read the tension across the top edge of the o ring If the belt is correctly tensioned the gauge will read between 14 and 16 pounds 15 If the tension in step 14 is correct skip to step 18 Otherwise continue with the next step Page 17 5 33 Ellipitical Fitness Crosstrainer Diagram 5 4 Measuring Belt Tension 16 17 18 19 20 If the locking tabs on the right and left step up belt tension bolts have not been straightened use pliers to be
42. frame 4 For serial code AAAB skip to step 11 For serial codes CR and ST continue with step 5 5 Disconnect the magnet speed sensor and A C cables from the lower PCA See Diagram 7 4 Remove two screws that secure the lower PCA mounting bracket to the frame Diagram 7 4 Lower PCA serial codes CR and ST front and rear views m Mou i Screws Page 38 10 Diagram 7 5 Lower PCA serial code AAAB 11 12 13 14 5 33 Elliptical Fitness Crosstrainer Carefully rotate the lower PCA mounting bracket away from the front cover section and disconnect the interconnect cable from the lower PCA Remove the lower PCA and mounting bracket from the unit Remove the four screws that fasten the lower PCA to the mounting bracket and remove the lower PCA from the mounting bracket Position the replacement lower PCA at its mounting position on the mounting bracket Fasten the lower PCA to the mounting bracket with the screws removed in step 7 Connect the interconnect cable to the lower and place the lower PCA and mounting bracket in it s mounting position Fasten the mounting bracket to the frame with the screws removed in step 5 Connect the cables disconnected in Step 4 See Diagram 7 4 Skip step 15 oe 1 i Interconnect Cable Magnet Cable Speed Sensor Mounting Screw AC Wiring Remove the AC wiring interconnect cable speed sensor wiring and magnet cable from the lower PCA Remov
43. ght cover sections per Procedure 7 1 Remove three bolts washers and single nut that fasten the stairarm connector to the stairarm See Diagram 7 25 Rotate both stairarms to the rear so that they are resting on the floor to the rear of the EFX Remove the screw that fastens the ramp end cap to the ramp Remove the ramp end cap Remove the four bolts that fasten the ramp to the rear ramp bracket See Diagram 7 20 Remove two bolts four washers and two nuts that fasten the ramp to the front ramp support See Diagram 7 28 Remove the ramp from the EFX Page 66 5 33 Elliptical Fitness Crosstrainer Remove the screw and star washer that fastens the lockout pin to the bottom of the ramp Mount the lockout pin on the bottom of the replacement ramp with the screw and star washer removed in step 8 Set the replacement ramp in it s mounting position replace the bolts washers and nuts removed in step 6 Do tighten the bolts at this time Replace the four bolts and washers removed in step 5 that fasten the ramp to the rear ramp bracket Torque the four bolts between the ramp and rear ramp bracket to 12 ft lbs Torque the two bolts between the ramp and the front ramp support to 20 ft Ibs Replace the ramp end cap with the screw removed in step 4 Rotate both stairarms forward so that they are resting on the ramp Set the replacement stairarm connector at it s mounting position and slide the secondary link onto t
44. he replacement frame tube at it s mounting position and hand start the bolts with washers at the upper end of the frame tube Hand start the bolts with washers at the lower end of the frame tube Torque the upper front two bolts to 300 in Ibs the upper rear bolts to 240 in Ibs and the lower four bolts to 300 in Ibs See Diagram 7 27 6 Set the cover in it s mounting and fasten it with the two screws removed in step 2 7 Set the on off switch in the on position and thoroughly test the EFX per Section Four Page 79 5 33 Ellipitical Fitness Crosstrainer Procedure 7 26 Replacing a Ramp Support Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure 1 Set the on off switch in the off position 2 Remove the front top left and right rear cover sections per Procedure 7 1 3 Remove three bolts washers and single nut that fasten the right stairarm connector to the right stairarm Remove three bolts washers and single nut that fasten the left stairarm connector to the left stairarm 4 Rotate both stairarms to the rear so that they are resting on the floor to the rear of the EFX Diagram 7 28 Ramp Support Mounting Ramp Support Lower Mounting 5 Remove the screw that fastens the ramp end cap to the ramp Remove the ramp end cap Page 80
45. he stairarm connector Replace but do not tighten the hardware removed in step 3 Torque the two bottom bolts to 50 in Ibs Torque the horizontal bolt to 11 ft lbs Replace the front top left and right cover sections per Procedure 7 1 Thoroughly test the EFX per Section Four Page 67 5 33 Ellipitical Fitness Crosstrainer Procedure 7 19 Replacing a Handlebar 1 Procedure 1 Set the on off switch in the off position 2 Remove the bolt that fastens the lower end of the handlebar to the secondary link 3 Remove three bolts and washers that fasten the handlebar to the upper pivot 4 Set the replacement handlebar in it s mounting position and hand start the three bolts and washers removed in step 3 that fasten the handlebar to the upper pivot 5 Hand start the bolt removed in step 2 that fastens the handlebar to the secondary link 6 Torque the four bolts in step 4 and 5 to 156 in Ib 7 Set the on off switch in the on position and thoroughly test the EFX per Section Four Diagram 7 21 Handlebar Mounti F Upper Pivot Mounting Bolt Handlebar Lower Bolt 3 Page 68 5 33 Elliptical Fitness Crosstrainer Procedure 7 20 Replacing a Input Belt Tensioner Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure 1 Set the on off switch
46. htly Slide a stout screwdriver blade into the adjustment slot See Diagram 5 3 to the left of the pulley Using the screwdriver as a lever press the pulley to the right While maintaining constant pressure on pulley check the belt tension with your finger When the belt tension feels correct tighten and torque the input belt tension bolt to 200 in Ibs Check the input drive adjustment per procedure 5 3 Replace the stairarms per Procedure 7 17 Check the operation of the unit as described in Section Four then re install the rear cover as described in Procedure 7 1 Page 19 5 33 Ellipitical Fitness Crosstrainer Procedure 5 3 Drive Input Assembly Adjustments This procedure ensures that the drive input assembly the drive belts and the eddy current magnet are correctly adjusted and aligned All of the checks described in this procedure must be performed to ensure proper operation 1 Set the on off switch in the off position remove the A C line cord from the A C outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the rear covers as described in Procedure 7 1 3 Remove both stairarms as described in Procedure 7 17 Input Drive Assembly Axle Alignment 4 Rotate one of the crankarms to the twelve o clock position and measure the distance from the crankarm to the frame weldment See Diagram 5 5 Rotate the opposite crank
47. ibed in Procedure 2 4 Documenting Software Problems Page 36 5 33 Elliptical Fitness Crosstrainer Diagram 7 3 Display Housing Front Panel Rear View Interconnect Connector Heart Rate Connector Upper PCA Cable Keyboard Connector Position the replacement upper PCA at its mounting location on the display housing front panel refer to Diagram 7 3 Replace and tighten the upper PCA mounting screws Reconnect the keyboard cable to the upper PCA Reconnect the upper interconnect cable and heart rate cable to the upper PCA Remove the ground lead of the wrist strap from the EFX frame then remove the wrist strap from your arm Position the display enclosure on the display plate Replace and tighten the display mounting screws Check operation as described in Section Four Page 37 5 33 Ellipitical Fitness Crosstrainer Procedure 7 3 Replacing a Lower PCA Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure 1 Set the on off switch in the off position WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and right rear cover sections 3 Attach the wrist strap to your arm then connect the ground lead of the wrist strap to the EFX
48. in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and right cover sections as described in Procedure 7 1 3 Remove the input belt tension mounting bolt and slide the input belt tensioner out of the frame Diagram 7 22 Input Belt Tensioner Input Belt Sas Tensioner 5 4 Loosely mount the new input belt tensioner in it s mounting position using the bolt removed in step 3 5 Using your finger press in on the center of the step up pulley belt to get a feeling of how much pressure it takes to deflect the belt a 1 4 Page 69 5 33 Ellipitical Fitness Crosstrainer Slide a stout screwdriver blade into the adjustment slot See Diagram 7 22 to the left of the input belt tensioner pulley Using the screwdriver as a lever press the pulley to the right While maintaining constant pressure on pulley check the belt tension with your finger When the belt tension feels correct tighten and torque the input belt tension bolt to 200 in Ibs Check the input drive adjustment per procedure 5 3 Check the operation of the unit as described in Section Four then re install the left and right cover sections as described in Procedure 7 1 Page 70 5 33 Elliptical Fitness Crosstrainer Procedure 7 21 Replacing an Upper Pivot Warning Care must be taken when w
49. ing position and slide the secondary link onto the stairarm connector Replace but do not tighten the hardware removed in step 3 Page 75 5 33 Ellipitical Fitness Crosstrainer Torque the two bottom bolts to 50 in Ibs Torque the horizontal bolt to 11 ft lbs 5 Replace the retaining ring that fastens the secondary link to the stairarm connector 6 Set the on off switch in the on position and thoroughly test the EFX per Section Four Page 76 5 33 Elliptical Fitness Crosstrainer Procedure 7 24 Replacing a Main Column 1 Procedure 1 Set the on off switch in the off position Remove the A C line cord from the A C outlet 2 Attach the anti static wrist strap to your arm then connect the ground lead of the wrist strap to the EFX frame 3 Remove the four screws that secure the display housing front panel to the display backing plate 4 Disconnect the heart rate cable connector J1 and upper interconnect cable connector J5 from the upper PCA Remove the display housing front panel 5 Remove the four screws that fasten the display backplate to the upper main column Remove the display housing backplate 6 Pry the end cap out the front of the frame base tube with a thin bladed screwdriver See Diagram 7 6 7 Carefully withdraw both cables and mid point connector Disconnect the upper interconnect cable from the mid point connector Carefully draw the upper interconnect cable out of the upper end of the main column
50. irarm assembly as described in Procedure 7 17 If you are replacing both crankarm assemblies repeat steps 8 and 9 for the second crankarm assembly Set the unit at it s highest resistance setting and use the EFX for a minimum of 3 minutes Stride in a forward direction for half of the time and in a backward direction for half of the time Set the on off switch in the off position and re torque both of the 14 mm crankarm mounting bolts to 300in Ibs Replace the left and or right rear cover per Procedure 7 1 Page 46 5 33 Elliptical Fitness Crosstrainer Procedure 7 7 Replacing a Pillow Block Bearing Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure 1 Set the on off switch in the off position then unplug the power cord from the A C outlet 2 Remove the front top left and right cover sections as described in Procedure 7 1 3 Remove both stairarm assemblies per Procedure 7 17 4 Remove the crankarm from the same side as the pillow block bearing that you are replacing 5 Remove the eddy current magnet per Procedure 7 13 6 Remove tension from the input pulley and step up pulley belts as described below a Loosen the input belt tensioner axle nut and turn the input belt tensioner adjustment bolt counterclockwise until tension is removed from the input
51. ive unit Diagram 7 15 Eddy Current Magnet Serial codes CR and ST f Magnet Cable 39314 101 2149 Il OY nn Mounting Bolts Eddy Current Magnet Page 59 5 33 Ellipitical Fitness Crosstrainer 6 Position the magnet assembly at its mounting position so that the eddy current disk is centered between the magnet poles 7 Replace and hand tighten the magnet assembly mounting bolts Torque the magnet assembly mounting bolts to 43 in Ibs 8 Reconnect the magnet cable to the magnet assembly 9 Re install the left and right cover sections as described in Procedure 7 1 then check the operation of the EFX as described in Section Four 10 Disconnect the magnet cable from the lower PCA See Diagram 6 6 11 Remove the bolts that fasten the eddy current magnet to its frame mounting See Diagram 7 16 Diagram 7 16 Eddy Current Magnet se m rial code AAAB Eddy Current Magnet Mounting Bolt 12 Set the replacement eddy current magnet in its mounting position and fasten it with the hardware removed in step 11 Torque the eddy current mounting bolts to 47 inch pounds 13 Connect the magnet cable to the lower PCA 14 Check the input drive adjustment per procedure 5 3 15 Re install the left and right cover sections as described in Procedure 7 1 then check the operation of the EFX as described in Section Four Page 60 5 33 Elliptical Fitness Crosstrainer Procedure 7 14 Repla
52. l are listed below Notice the orientation notch on the PROM These components must be positioned with the same notch orientation Safety guidelines you should know and follow include Read the owner s manual and follow all operating instructions e Visually check the EFX 5 33 before beginning service or maintenance operations If it is not completely assembled or is damaged in any way exercise extreme caution while operating and checking the EFX 5 33 Page 2 5 33 Elliptical Fitness Crosstrainer When operating the EFX 5 33 do not wear loose clothing Do not wear shoes with heels or leather soles Check the soles of your shoes and remove any embedded stones Tie long hair back Do not rock the unit Do not stand or climb on the handlebars display enclosure or cover Do not set anything on the handlebars display enclosure or cover Never place liquids on any part of the EFX 5 33 other than a water bottle in the water bottle holder during normal operation To prevent electrical shock keep all electrical components such as the power cord and circuit breaker away from water and other liquids Do not use accessory attachments that are not recommended by the manufacturer such attachments might cause injuries General Information For the latest exploded view part number and part pricing information visit the Precor dealer website at www precor com connection Page 3 Required Tools and Equipment 5 33
53. lower PCA interconnect cable and upper PCA Replace only one part at a time If the new part does not correct the problem replace the original part 7 If you have performed all of the above tests and the speed sensor is still not functioning call Precor Technical Support 8 Checkthe operation of the EFX as described in Section Four Page 28 5 33 Elliptical Fitness Crosstrainer Procedure 6 4 Troubleshooting the Eddy Current System Note If the control circuit does not see an output from the speed sensor it removes power from the eddy current system Therefore when it is necessary to check the resistance or take voltage measurements in the eddy current system it will be necessary to slowly turn the flywheels to ensure that the power time out has not occurred WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 1 Remove the rear cover per Procedure 7 1 There are four typical symptoms concerning the eddy current system No resistance pedaling resistance no resistance shortly after power up incorrect resistance and error 50 If the problem is no resistance continue with step 2 If the problem is no resistance shortly after power up test the speed sensor per Procedure 6 3 If the problem is incorrect resistance skip to step 7 If the problem is an error 50 skip to step 10 2 Setthe on off switch in the on position enter the manual prog
54. m 6 4 Diagram 7 14 Speed Sensor serial codes CR and ST Step Up Pulley Magnet Speed Sensor 6 Forserial codes CR and ST position the speed sensor at its mounting position and set the gap between the end of the speed sensor and the step up pulley at approximately 1 8 inch Replace the hardware that secures the speed sensor to the drive unit Torque the speed sensor screws to 27 in lbs 7 For serial code AAAB snap the replacement speed sensor into the speed sensor clip See Diagram 6 4 Page 57 5 33 Ellipitical Fitness Crosstrainer 8 Reconnect the speed sensor cable to the lower PCA 9 Re install the left and right cover sections as described in Procedure 7 1 then check the operation of the EFX as described in Section Four Page 58 5 33 Elliptical Fitness Crosstrainer Procedure 7 13 Replacing an Eddy Current Magnet Assembly Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and right cover sections as described in Procedure 7 1 3 For serial code AAAB skip to step 10 For serial codes CR and ST continue with step 4 4 Disconnect the magnet cable from the magnet assembly See Diagram 7 15 5 Remove the bolts that secure the magnet assembly to the drive unit Remove the magnet from the dr
55. med to display the following LED illumination sequence a Thetest name DISPLAY will be displayed for 2 seconds b The left half of the L E D matrix illuminates c The right half of the L E D matrix illuminates d All remaining L E D s including the heart rate and annunciator L E D s illuminate If you do not observe the LED illumination sequences described in Step 3 THEN OTHERWISE Replace the upper PCA as described The LED test passed successfully in Procedure 7 2 continue with the next step Press the ENTER key to proceed to the keyboard test The test name KEYBOARD will be displayed for 2 seconds A graphical representation of all the keys on the keyboard will be displayed When a key is pressed the representation of the key will be turned off Check all of the keys on the keyboard in this manner THEN OTHERWISE The keyboard test passed successfully Troubleshoot the keypad and upper continue with the next step PCA as described in Procedure 6 2 Press and hold the ENTER key to proceed to the heart rate test The test name HEART RATE will be displayed for 2 seconds A chest strap heart rate transmitter or a heart rate test transmitter must be used in conjunction with this test If no heart rate signal is being received the message NO HR RCVR will be displayed When a heart rate signal is being received unfiltered U 123 and filtered F 123 heart rate signals will be displayed All of th
56. ment should be approximately 5 Vdc If the measurement is correct skip to step 4 If the voltage is missing or significantly low disconnect the speed sensor and repeat the voltage measurement on the J8 connector If the measurement is now correct 5 Vdc replace the speed sensor If the voltage is still missing or significantly low replace the lower PCA Skip to step 5 4 Rotate the step up pulley so that the speed sensor magnet is next to the reed switch Using a DC voltmeter measure the voltage between terminal 1 and terminal 5 of J8 on the lower PCA The measurement should be approximately 0 Vdc If the voltage is 5 Vdc or significantly high replace the speed sensor per Procedure 7 12 Skip to step 8 5 With the an ohmmeter connected to terminals 1 and 5 of J8 on the lower PCA rock the step up disk forward and backward so that the magnet is passing in front of and away from the reed switch The ohmmeter should alternate between continuity very low resistance and infinity open circuit If the resistance measurement does not alternate between continuity and infinity repeat steps 2 through 4 If the resistance does alternate between continuity and infinity continue with step 6 6 Ifyou have performed all of the above tests and the stride rate is not displayed when the unit is operated there are three parts that could cause the problem There are not any good tests to check these parts other than substituting a known good part They are
57. nd Caution statements listed in Section One Things You Should Know 2 Remove the rear cover as described in Procedure 7 1 3 Remove both stairarms as described in Procedure 7 17 4 Operate the unit by rapidly rotating a crankarm by hand As the unit operates watch the drive belts for proper alignment The belts should operate parallel to each other and the belts should maintain even spacing 5 If the belts are not correctly aligned THEN OTHERWISE Continue with the next step Skip to step 13 6 Refer to Diagram 5 3 for the following belt alignment steps The right and left step up belt tension bolts have locking tabs If necessary use pliers to bend the locking tabs out of the way so that the bolts can be turned 7 Ifthe step up pulley belt is out of alignment to the right continue with step 9 8 Ifthe step up pulley belt is out of alignment to the left continue with step 11 9 Turn the left step up belt tension bolt 1 4 turn clockwise then repeat step 4 If turning the left adjustment bolt 1 4 of a turn was not sufficient turn the right step up belt tension bolt 1 4 of a turn counterclockwise 10 Repeat step 8 alternating between the left and right step up belt tension bolts until the alignment is correct Continue with step 13 11 Turn the right step up belt tension bolt 1 4 of a turn clockwise then repeat step 4 If turning the right step up belt tension bolt 1 4 of a turn was not sufficient turn the left st
58. nd the locking tabs out of the way so that the bolts can be turned IF THEN The belt tensioning gauge reads Turn both tension bolts less than 14 pounds clockwise in equal quarter turn increments until the belt tensioning gauge reads 14 16 pounds 1 4 deflection The belt tensioning gauge reads Turn both tension bolts more than 16 pounds counterclockwise in equal quarter turn increments until the belt tensioning gauge reads 14 16 pounds 1 4 deflection Verify that the belt alignment is still correct by performing the procedure in step 4 When both the step pulley belt tension and alignment are correct use pliers to bend the tension bolt locking tabs into the locking position The input pulley tension must now be checked and corrected if necessary There is not sufficient room to use the belt tension gauge to set the input pulley belt tension It will be necessary to use the correctly tensioned step up belt as a comparison to set the input belt tension Using your finger press in on the center of the step up pulley belt to get a feeling of how much pressure it takes to deflect the belt a 1 4 Page 18 21 22 23 24 25 5 33 Elliptical Fitness Crosstrainer Using your finger press in on the center of the lower span of the input belt Compare the pressure required to deflect the input belt to the pressure required to deflect the step up belt Loosen the input belt tensioner axle bolt slig
59. nt will keep maintenance problems and service calls to a minimum Precor recommends that you perform the following preventive maintenance schedule At the End of Each Day Wipe down the stairarms ramps wheels and frame with a damp cloth Every Week Wipe the surface of the electronic console with a slightly damp sponge or soft cloth Dry with a clean towel CAUTION Keep water away from electronic components to prevent shock On Site Preventive Maintenance Service Technician Perform the following preventive maintenance tasks each time you are called to service a EFX 5 33 Examine the belts for wear cracks or other signs of deterioration and replace if necessary Check the LED s mounted on the upper PCA and the function keys displayed on the electronic console by performing Procedure 2 1 Visually examine all wires and check connectors and wire connections Secure connections and replace wiring as necessary Page 12 5 33 Elliptical Fitness Crosstrainer Section Four Checking EFX 5 33 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 Plug the power cord into the wall outlet and set the on off switch in the on position With the PRECOR EFX 5 33 banner displayed press QUICK START Select Resistance Level 1 Operate the EFX for 4 5 minutes As you operate the EFX concentrate on the oper
60. ork is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed 1 Procedure 1 Set the on off switch in the off position 2 Remove three bolts and washers that fasten the handlebar to the upper pivot 3 Rotate the handlebar forward so that it is resting on the floor 4 Remove the upper pivot with a 7 16 allen wrench A 7 16 hex key bit that fits your torque wrench will be required in step 5 Diagram 7 23 Upper Pivot Mounting 7 16 Allen Upper Pivot Mounting Bolt Handlebar 5 Thread the upper pivot onto the frame and torque the 7 16 allen upper pivot bolt to 100 ft lbs Page 71 5 33 Ellipitical Fitness Crosstrainer Rotate the handlebar back into position against the upper pivot and fasten the handlebar to the upper pivot with the bolts and washers removed in step 2 Torque the bolts to 156 in lbs Set the on off switch in the on position thoroughly test the EFX per Section Four Page 72 5 33 Elliptical Fitness Crosstrainer Procedure 7 22 Replacing a Secondary Link serial codes CR and ST only Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed 1 Procedure 1 Set the on off switch in the off position 2 Remove the bolt that fast
61. put Drive Axle tep Up Pulley Axle Adjustment Nut Measurement Page 21 5 33 Ellipitical Fitness Crosstrainer 10 If the difference between the two measurements are greater than 1 16 inch continue with step 11 If the difference is less than 1 16 inch skip to eddy current magnet adjustment 11 You will be adjusting one half of the difference between the two measurements with each of the step up pulley adjustment nuts 12 One the side with the smaller measurement turn the adjustment nut slowly clockwise so that it moves 1 2 of the difference between the two measurements 13 One the side with the larger measurement turn the adjustment nut slowly counter clockwise so that it moves the remaining 1 2 of the difference between the two measurements 14 Return to step 9 and repeat any necessary steps Eddy Current Magnet Adjustment 15 Check the position of the eddy current magnet relative to the eddy current disk The eddy current disk should be centered in the slot in the eddy current magnet See Diagram 5 8 Diagram 5 8 Eddy Current Magnet Eddy Current Disk Eddy Current Magnet Mounting Bolts 16 If the eddy current disk is not centered loosen the two eddy current magnet mounting bolts and move the magnet to center the eddy current disk 17 Tighten and torque the eddy current magnet mounting bolts to 66 inch pounds Drive Belt Tracking 18 Stand behind the EFX and sight down the step up pulley drive
62. ram and set the resistance at level 10 Using a DC voltmeter check the voltage across the magnet wires at the lower PCA The voltage should measure approximately 25 Vdc If the voltage is missing or significantly low skip to step 4 If the voltage is correct continue with step 3 3 Setthe on off switch in the off position Check the magnet wiring per Diagram 8 1 If any of the magnet wiring is reversed or incorrect the resistance will be affected 4 Setthe on off switch in the off position Using an ohmmeter measure between the magnet wires at the lower PCA The measurement should be approximately 900 to 110 If the measurement is open o check the connections at both magnets and the lower PCA and the wires between the lower PCA and the magnets The lower PCA to magnet wires must read less than 10 when measured from end to end with an ohmmeter Check the EFX per Section Four 5 Ifall of the wiring connections are good and there is still no resistance there are two parts that could cause the problem There are not any good tests to check these parts other than substituting a known good part They are lower PCA and upper PCA Replace only one part at a time If the new part does not correct the problem re install the original part 6 If you have performed all of the above tests and there is still no resistance call Precor Technical Support 7 Ifthe resistance is greater than normal the cause could be mechanical rather than electri
63. red from Precor 1 The PROM and the associated printed circuit assembly PCA are static sensitive Anti static devices must be used and all anti static precautions must be followed during this procedure Remove the printed circuit assembly per its associated procedure Currently we are using two styles of IC software packages they are a 28 pin dual in line package DIP28 and a forty four pin square package PLCC44 Each of these packages should be removed with a r IC removal tool see the illustrations below PLCC44 removal tool DIP28 removal tool The IC s may inserted into their socket by hand by carefully aligning the notch on the IC with the notch on the IC socket and carefully pressing the IC into its socket See the illustrations below for the alignment notches Care must be taken that the IC legs on a DIP28 are all aligned in the socket to prevent the legs from bending when inserted The PLCC44 IC must be carefully aligned squarely in its socket or it will not insert Do not force the IC into its Socket If it does not insert easily remove the it and re align it in its socket wha ffa fal aha ea C95X V1 02 LWR B D 32 00 SC PCA Page 90 5 33 Elliptical Fitness Crosstrainer Wiring Diagram 8 1 5 33 120 Vac serial codes CR and ST GND Power Entry Module Keyboard P1 Speed Sensor J5 2 5 8 J5 2 5 8 J5 1 4 7 J5 1 4 7 J5 6 56 Upper Tower Js 3 PCA
64. same except that version two has the capability of remote software upload Version 3 serial code AAAB incorporates changes in the product color scheme stone gray the eddy current magnet mounting lower PCA mounting and speed sensor mounting Warning and Caution Statements and General Safety Guidelines Warning statements indicate a particularly dangerous activity Warning statements you will find in this manual include To remove power from the EFX 5 33 the power cord must be disconnected from the wall outlet Always ensure that the EFX 5 33 is unplugged from the wall outlet when you inspect or adjust the EFX 5 33 or when you isolate remove or replace a EFX 5 33 component Removing the covers exposes high voltage components and potentially dangerous machinery Exercise extreme caution when you perform maintenance procedures with the hood removed During service operations you will be very close to moving machinery and high voltage components When you perform maintenance procedures with the covers removed remove jewelry especially from ears and neck tie up long hair remove neck ties and do not wear loose clothing e Hazardous pinch points exist between the ramp and moving arm linkage e Exercise caution when touching any wire or electrical component during EFX 5 33 operation Caution statements are intended to prevent damage to the EFX 5 33 as a result of the current activity Caution statements included in this manua
65. serial code AAAB only Procedure 1 Set the on off switch in the off position Remove the A C line cord from the A C outlet and from the power entry module 2 Remove the end caps from the rear and the front inside of the handlebar to stairarm link See Diagram 7 33 Diagram 7 33 Handlebar to Stairarm Link serial code AAAB Front Inside Rear End Cap Mounting Bolt Mounting Bolt 3 Remove the mounting bolt washer and spacer from the front inside and rear of the handlebar to stairarm link Remove and discard the handlebar to stairarm link 4 Slide one of the spacers removed in step 3 into the front of the replacement handlebar to stairarm link Set the replacement handlebar to stairarm link at its mounting position to the handlebar Hand start but do not tighten the mounting bolt with washer 5 Slide one of the spacers removed in step 3 into the rear of the replacement handlebar to stairarm link Set the replacement handlebar to stairarm link at its mounting position to the stairarm Hand start but do not tighten the mounting bolt with washer Page 88 5 33 Elliptical Fitness Crosstrainer 6 Torque the both the front and rear handlebar to stairarm link mounting bolts to 156 inch pounds 7 Set the on off switch in the on position and test the EFX per Section Four Page 89 5 33 Ellipitical Fitness Crosstrainer Procedure 7 31 Replacing the PROM Anti static kits part number 20024 101 can be orde
66. t Ibs Replace the left and or right cover sections per Procedure 7 1 Page 62 5 33 Elliptical Fitness Crosstrainer Procedure 7 15 Replacing a Wheel Assembly Warning Care must be taken when work is being performed in the area of the stairarms Pinch points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the screws from the wheel axle If when removing the second wheel axle screw the axle rotates and the screw does not unthread insert a 5 32 allen wrench into the end of the axle from which the screw has been removed The allen wrench will hold the axle while you remove the remaining screw Remove the wheel assembly from the stairarm Diagram 7 18 Wheel Assembly Wheel s Stairarm Axle Screw 3 Setthe replacement wheel in the stairarm and insert and hand tighten the wheel axle screws Torque the wheel axle screws to 80 in lbs Note The wheel axle screws are equipped with a loctite patch If the wheel axle screws have been inserted and removed more than two times red loctite should be used on the wheel axle screws when the are re installed Page 63 5 33 Ellipitical Fitness Crosstrainer Proc
67. the display housing backplate Securely tape one end of the replacement lower interconnect cable to the upper PCA end of the existing upper interconnect cable Carefully draw the existing upper interconnect cable out of the front of the frame as you carefully feed the replacement cable into the main column When the replacement interconnect cable emerges from the front of the frame separate the interconnect cables and discard the defective interconnect cable Connect the replacement interconnect cable to the mid point connector Feed the interconnect cable through the access hole in the display housing backplate and fasten the display housing backplate to the main column with the screws removed in step 9 Connect the upper interconnect cable to the upper PCA and fasten the display housing to the display housing backplate with the screws removed in step 8 Thoroughly test the unit per Section 4 Page 42 5 33 Elliptical Fitness Crosstrainer Procedure 7 5 Replacing a Power Entry Module Procedure Note The power entry module on this EFX is a multifunction unit It functions as a power entry module A C line fuse holder on off switch and A C line filter 1 Set the on off switch in the off position Remove the A C line cord from the A C outlet and from the power entry module 2 Remove the left and right cover sections per Procedure 7 1 Diagram 7 7 Power Entry Module TE s e x h s Pas Ly Fer Fuse Access Door
68. tion statements listed in Section One Things You Should Know 2 Remove the front top left and right cover sections as described in Procedure 7 1 3 Remove the stairarm assemblies as described in Procedure 7 17 4 Remove the crankarm assemblies as described in Procedure 7 6 5 Remove the magnet assembly as described in Procedure 7 13 6 Remove tension from the drive belts and remove the pillow block bearings per Procedure 7 7 steps 6 to 8 7 Remove the input drive assembly from the unit See Diagrams 7 10 and 7 11 8 Remove the four bolts that retain rear cover support and power entry module Swing the rear cover support away from the drive unit 9 Remove the left and right tension bolts locking tabs and brackets Slide the step up pulley assembly with both the step up and input belts out of the drive unit 10 Remove the step up pulley belt and place the replacement step up pulley belt in its mounting position on the step up pulley assembly 11 Set the step up pulley assembly with the step up and input belt at its mounting position in the drive unit Replace the tensioning bolts locking tabs and brackets removed in step 8 Thread the left and right tension bolts into the step up pulley shaft 12 Slide the step up and input belts onto the input drive assembly as you set the input drive assembly in its mounting position in the drive unit Page 54 5 33 Elliptical Fitness Crosstrainer Diagram 7 13 Step Up Pulley B
69. ure 7 1 2 Setthe ohmmeter to a range that will conveniently read up to 125 Q 3 Disconnect the magnet wires from the magnet using the quick disconnects shown in the Diagram 5 1 or Diagram 5 2 below Measure the resistance between the two magnet wires Diagram 5 1 Eddy Current Magnet serial codes CR and ST j Magnet Wires Eddy Current Magnet Note The resistance of the magnets will be higher than optimum 90 110 Q when they are warm Page 14 5 33 Elliptical Fitness Crosstrainer Diagram 5 2 Eddy Current Magnet serial code AAAB Eddy Current Magnet 4 If the resistance measures significantly less than 90 O or significantly more than 110 Q THEN OTHERWISE Replace the magnet as described Reconnect the magnet wires then in Procedure 7 13 continue with the next step 5 Re install the rear cover as described in Procedure 7 1 then check the operation of the unit as described in Section Four 6 Set the on off switch in the on position Thoroughly test all lift related functions per Section Four 7 Set the on off switch in the off position replace the front cover per Procedure 7 1 Page 15 5 33 Ellipitical Fitness Crosstrainer Procedure 5 2 Inspecting and Adjusting Belt Alignment and Tension Procedure 1 Set the on off switch in the off position remove the A C line cord from the A C outlet WARNING Before continuing with this procedure review the Warning a
70. ween the stairarm and crankarm when the rear covers are removed Procedure 1 Set the on off switch in the off position then unplug the power cord from the A C outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and or right cover section as described in Procedure 7 1 3 Remove the left and or right stairarm assembly as described in Procedure 7 17 Note Notice the position of the two crank arms When the crankarms are replaced they must be positioned so that they are 180 degrees opposing 4 Remove the bolt that secures the crankarm to the input pulley shaft It will be necessary use a Pitman arm puller or 4 to 6 gear puller to remove the crankarm Do not use a hammer or mallet to remove the crankarm 5 If you are removing both crank arm assemblies repeat Steps 3 and 4 for the second crankarm assembly Diagram 7 8 Crankarm Crankarm Bolt Pivot Block Crankarm Crankarm Page 45 10 11 5 33 Ellipitical Fitness Crosstrainer Clean the crankarm mounting bolt threads and the input pulley shaft threads with an alcohol swab Allow them to dry and apply blue loctite to the crankarm mounting bolt threads Position the crankarm on the input pulley shaft Thread and hand tighten the crankarm mounting bolt into the input pulley shaft Torque the bolt to 300 in lIbs Replace the sta
71. witch in the on position Check between the power terminals of the line cord with an ohmmeter The ohmmeter reading should read infinity serial codes CR and ST or 1 to 1 5 megohm serial code AAAB If the reading for serial codes CR and ST is good skip to step 11 if the reading is significantly low continue with the next step If the reading for serial code AAAB is good skip to step 13 if the reading is significantly low continue with the next step Check the wiring between the lower PCA and the on off switch between the on off switch and the input module Replace any cut or nicked wiring Check the line cord for nicked or cut wiring Replace the line cord if necessary For serial codes CR and ST only replace the F3 2 amp fuse in the lower PCA if applicable perform the resistance measurement in step 6 The reading should be approximately 1 1 to 1 5 megohm If the reading in step 10 serial codes CR and ST or step 6 serial code AAAB is significantly low replace the lower PCA If you have performed all of the above tests and are unable to resolve the problem contact Precor customer support Plug the line cord into the wall outlet and set the on off switch in the on position Page 31 14 15 16 17 18 19 5 33 Ellipitical Fitness Crosstrainer Measure between terminals 1 and 8 of the data cable connector on the upper PCA with a DC voltmeter See Diagram 6 5 or Diagram 6 6 The reading should b

Download Pdf Manuals

Related Search

Related Contents

User Manual - Colfax Direct  Kramer TBUS-10XL User Manual  Product User Manual for “SEVIRI Physical Retrieval  Rexel Dox 1 Classic Lever Arch File White  Toshiba Toahiba Satellite A60 A65 Tecra A1 Series 15 Inch XGA LCD Display Chimel CLAA150XH-1  ESC Program Card User Manual  Teasi One - User Manual English _ES  ED-SV3シリーズ 取扱説明書  

Copyright © All rights reserved. Failed to retrieve file