Precor C764 Manual de Serviço

C762, C764, C764i StairclimberPage 1C762, C764, C764i StairclimberWarning: This service manual is for use by Precor trained service providers only.If

C762, C764, C764i StairclimberPage 10Diagram 2.1 - C762 Stairclimber DisplayDiagram 2.2 - C764 Stairclimber DisplayKey #3Key #2Key #1Key #5Key #6K

C762, C764, C764i StairclimberPage 100Wiring Diagram 8.1 - C762, C764 (120 Vac)

C762, C764, C764i StairclimberPage 101Block Diagram 8.2 - C762, C764 (120 Vac)

C762, C764, C764i StairclimberPage 102Wiring Diagram 8.3 - C762, C764 (240 Vac)

C762, C764, C764i StairclimberPage 103Block Diagram 8.4 - C762, C764 (240 Vac)

C762, C764, C764i StairclimberPage 11Procedure 2.2 - Performing Keypad and Display DiagnosticsProcedure1. Plug the power cord into the wall outlet,

C762, C764, C764i StairclimberPage 12THEN... OTHERWISE...The keypad test is successful; continue Go to Step 3 of Procedure 6.2. with the next step.8.

C762, C764, C764i StairclimberPage 13Procedure 2.3 - Selecting Club SettingsProcedure1. Plug the power cord into the wall outlet, then turn on the c

C762, C764, C764i StairclimberPage 14Procedure 2.4 - Documenting Software ProblemsWhen a problem is found with either the software or upper or lower

C762, C764, C764i StairclimberPage 15Section Three - Preventive MaintenancePreventive maintenance measures are either scheduled (performed on a regu

C762, C764, C764i StairclimberPage 16• Check the LEDs mounted on the upper PCA and the function keys displayed on the electronic console by performing

C762, C764, C764i StairclimberPage 17Section Four - Checking Unit OperationThis section provides you with a method of checking climber operation. Ch

C762, C764, C764i StairclimberPage 189. If the climber resistance does not change or the climber operation feels inconsistent compared with Work Level

C762, C764, C764i StairclimberPage 19Procedure 5.1 - Inspecting and Adjusting the Gaps Between the Disk and the Magnet AssembliesProcedure1. Remove

C762, C764, C764i StairclimberPage 2Section One - Things You Should KnowAbout This ManualThis manual is written for you, the C760 Series Climber ser

C762, C764, C764i StairclimberPage 204. If the .050 feeler gauge does not fit snugly...THEN... OTHERWISE...Continue with the next step. Skip to Step 7

C762, C764, C764i StairclimberPage 21along the adjustment slots, the assembly must stay in place after it is moved.6. Slide the top part of the magnet

C762, C764, C764i StairclimberPage 22Procedure 5.2 - Measuring the Resistance of the Magnet AssembliesCautionRemove power from the climber before yo

C762, C764, C764i StairclimberPage 23Diagram 5.3 - Magnet Wiring

C762, C764, C764i StairclimberPage 24Procedure 6.1 - Troubleshooting the Lower and Upper Ribbon CablesFault Isolating the Lower Ribbon Cable1. Turn

C762, C764, C764i StairclimberPage 25Diagram 6.1 - Upper and Lower Ribbon cables12. Disconnect the ribbon cable from the upper PCA.13. Connect the s

C762, C764, C764i StairclimberPage 26THEN... OTHERWISE...The original upper ribbon cable is The original upper ribbon cable is not bad; install a new

C762, C764, C764i StairclimberPage 27Procedure 6.2 - Troubleshooting the Keypad and Upper PCAIf the function keys on the electronic console are unre

C762, C764, C764i StairclimberPage 28Diagram 6.3 - Upper PCA Component LayoutTable 6.1 - Voltage Test Points (Function Keys Not Pressed)PLACE THE

C762, C764, C764i StairclimberPage 298. If the voltage readings in Table 6.1 are incorrect, disconnect the keypad cable from the key pad connector and

C762, C764, C764i StairclimberPage 3Miscellaneous InformationRight, Left, Front, and Back ConventionsIn this manual, right, left, front, and back are

C762, C764, C764i StairclimberPage 30Procedure 6.3 - Upper Display Does Not IlluminateWarningHazardous voltages will be tested in the following proc

C762, C764, C764i StairclimberPage 319. Refer to block diagram 8.2 and note the ribbon cable connections for “+6V” and “ground”. Set treadmill circuit

C762, C764, C764i StairclimberPage 32Procedure 6.4 - No ResistanceNote:The term resistance in this case refers to the physical opposition to the dow

C762, C764, C764i StairclimberPage 335. If the voltage in step 4 is 0 Vac or very low, check that the three light emitting diodes on the lower PCA are

C762, C764, C764i StairclimberPage 34Procedure 6.5 - Troubleshooting the Speed SensorNote:If the stairclimber is unused for 30 seconds, power is rem

C762, C764, C764i StairclimberPage 35Procedure 6.6 - Troubleshooting Hand Held Heart RateCircuit DescriptionThe hand held heart rate system is actua

C762, C764, C764i StairclimberPage 363. if a hand held signal is being accepted and a chest strap signal is not being accepted, verify that the chest

C762, C764, C764i StairclimberPage 3711. If neither a chest strap signal or a hand held signal is being accepted, measure between the “ground” and “5

C762, C764, C764i StairclimberPage 38Procedure 7.1 - Replacing the CoversRemoving the Covers1. Turn off the climber with the circuit breaker, then u

C762, C764, C764i StairclimberPage 39Diagram 7.1 - Cover MountingReplacing the CoversWhen you replace the covers, install the screw on the cover bra

C762, C764, C764i StairclimberPage 4Version A and Version B Disk AssembliesDiagram 1-2 shows the Version A and Version B disk assembly shafts. The Ver

C762, C764, C764i StairclimberPage 40Note:Take care not to pinch the cables when you perform the next step.10. Push the power entry module into the cl

C762, C764, C764i StairclimberPage 41Procedure 7.2 - Replacing the Upper PCAUse anti-static handling procedures and wear an anti-static device (such

C762, C764, C764i StairclimberPage 42Replacing the Upper PCA9. Carefully connect the keypads to the upper PCA.10. Position the upper PCA over the plas

C762, C764, C764i StairclimberPage 43Procedure 7.3 - Replacing the PROMAnti-static kits (part number 20024-101) can be ordered from Precor.1. The PROM

C762, C764, C764i StairclimberPage 44Procedure 7.4 - Replacing the Power Cable HarnessRemoving the Power Cable Harness1. Turn off the climber with t

C762, C764, C764i StairclimberPage 45Diagram 7.3 - Power Entry WiringReplacing the Power Cable Harness7. Push the power cord into the round hole on

C762, C764, C764i StairclimberPage 4613. Connect the remote sensor cable and the magnet harness to the lower PCA.14. Place the ground cable assembly a

C762, C764, C764i StairclimberPage 47Procedure 7.5 - Replacing the Lower PCARemoving the Lower PCA1. Turn off the climber with the circuit breaker,

C762, C764, C764i StairclimberPage 48Procedure 7.6 - Replacing the Circuit BreakerRemoving the Circuit Breaker1. Turn off the climber with the circu

C762, C764, C764i StairclimberPage 49Diagram 7.4 - The Power ModuleLine FilterTransformerCircuit BreakerLower PCA

C762, C764, C764i StairclimberPage 5Warning, Caution Statements and Safety GuidelinesWARNING and Caution statements are used throughout this manual to

C762, C764, C764i StairclimberPage 50Procedure 7.7 - Replacing the Line FilterRemoving the Line Filter Assembly1. Turn off the climber with the circ

C762, C764, C764i StairclimberPage 51Replacing the Input Filter AssemblyWhen you perform the next step, orientate the line filter assembly so that the

C762, C764, C764i StairclimberPage 52Procedure 7.8 - Replacing the TransformerRemoving the Transformer1. Turn off the climber with the circuit break

C762, C764, C764i StairclimberPage 53Procedure 7.9 - Replacing the Ground Cable AssemblyThere are three wires on the power entry module ground stud.

C762, C764, C764i StairclimberPage 54Procedure 7.10 - Replacing the Lower and/or Upper Ribbon CablesBefore you install a new ribbon cable, ensure th

C762, C764, C764i StairclimberPage 55Diagram 7.5 - Upper and Lower Ribbon CablesNote:The cable clips hold the lower ribbon cable away from moving co

C762, C764, C764i StairclimberPage 56Note:Take care not to pinch the cables when you perform the next step.15. Push the power entry module into the cl

C762, C764, C764i StairclimberPage 5727. Gently press the display housing onto the display base plate until the tabs are pushed into the holes on the

C762, C764, C764i StairclimberPage 58Procedure 7.11 - Replacing the Remote Sensor AssemblyRemoving the Remote Sensor Assembly1. Remove the covers as

C762, C764, C764i StairclimberPage 59Diagram 7.6 - Speed Sensor and TargetDiskAssemblySpeedSensorTarget

C762, C764, C764i StairclimberPage 6• Be aware that the weight limit for the C760 Series Climber is 350 pounds.• Keep all electrical components, such

C762, C764, C764i StairclimberPage 60Procedure 7.12 - Replacing the Magnet Cable AssemblyRemoving the Magnet Cable Assembly1. Remove the right cover

C762, C764, C764i StairclimberPage 61Diagram 7.7 - Magnet Wiring

C762, C764, C764i StairclimberPage 62Procedure 7.13 - Replacing a Magnet AssemblyEach magnet assembly consists of an upper and a lower magnet coil.

C762, C764, C764i StairclimberPage 63Replacing a Magnet AssemblyDo not tighten the bolts more than finger tight when you perform the next step.5. Posi

C762, C764, C764i StairclimberPage 64Note:The wires that make up the magnet cable assembly are pre-bent. When the magnet cable assembly is installed c

C762, C764, C764i StairclimberPage 65Procedure 7.14 - Replacing a Return SpringRemoving the Return SpringIf you are removing only one return spring,

C762, C764, C764i StairclimberPage 66Replacing the Return Spring5. Visually inspect the grommet for wear, cracks, or other damage. Replace the grommet

C762, C764, C764i StairclimberPage 678. Lift the stair arm assembly from the frame weldment. Grasp the Stairarm belt and lift it over the toothed pull

C762, C764, C764i StairclimberPage 68Procedure 7.15 - Replacing A Stairarm BeltRemoving the Stairarm BeltIf you are removing only one stairarm belt,

C762, C764, C764i StairclimberPage 69Replacing the Stairarm Belt7. Route one end of the stairarm belt through the front of the pedal (see Diagram 7.13

C762, C764, C764i StairclimberPage 7Required Tools and EquipmentThe following list is a summary of the tools and equipment required by the procedures

C762, C764, C764i StairclimberPage 70Diagram 7.14 - Underside of Stairarm PedalNote:Hold the sides of the grooved belt clamp together when you perfo

C762, C764, C764i StairclimberPage 71Procedure 7.16 - Replacing A Toothed PulleyRemoving the Toothed PulleyIf you are removing only one toothed pull

C762, C764, C764i StairclimberPage 72ImportantThere is text on one side of the toothed pulley. When you replace the right pulley, position the pulley

C762, C764, C764i StairclimberPage 7311. Lift the stairarm assembly from the frame weldment. Grasp the stairarm belt and lift it over the toothed pull

C762, C764, C764i StairclimberPage 74Procedure 7.17 - Replacing An Idler Pulley Removing the Idler PulleyIf you are removing only one idler pulley,

C762, C764, C764i StairclimberPage 7510. Lift the stairarm assembly from the frame weldment. Grasp the stairarm belt and lift it over the toothed pull

C762, C764, C764i StairclimberPage 76Procedure 7.18 - Replacing the Disk AssemblyDiagram 1.2 shows the Version A and Version B disk assembly shafts.

C762, C764, C764i StairclimberPage 77Diagram 7.16 - The Disk AssemblyReplacing the Disk Assembly6. Push the disk assembly through the drive belt han

C762, C764, C764i StairclimberPage 788. Thread a nut onto the longer side of the disk shaft. Using one of the 17mm open-end wrenches, hold the inner n

C762, C764, C764i StairclimberPage 7917. Kneel behind the stair arms. Press down on the ends of the stair arms. Watch the drive belt as it moves on th

C762, C764, C764i StairclimberPage 8Eddy Current Resistance and the C760 Series ClimberMagnetismWhen the disk rotates, it “cuts” the lines of force th

C762, C764, C764i StairclimberPage 80Procedure 7.19 - Replacing the Sheave, Sheave Shaft or Sheave BearingsRemoving the Sheave AssemblyThe sheave as

C762, C764, C764i StairclimberPage 81Removing a Bearing From the Sheave ShaftSet the sheave assembly on a work bench or table when you perform the nex

C762, C764, C764i StairclimberPage 82Replacing the Sheave On the Sheave ShaftLook at the key slot on the sheave assembly. The length of shaft to the r

C762, C764, C764i StairclimberPage 83Diagram 7.18 - The Sheave Assembly20. Mount the drive belt on the sheave by performing the following sub-steps:

C762, C764, C764i StairclimberPage 84Note:Make sure that the belt is on the sheave rim before you continue with this procedure.Installing the Toothed

C762, C764, C764i StairclimberPage 85Note:The bearing flanges secure the sheave assembly to the climber frame. Install the sheave assembly to the clim

C762, C764, C764i StairclimberPage 86Procedure 7.20 - Replacing the Drive BeltRemoving the Drive Belt1. Remove the covers as described in Procedure

C762, C764, C764i StairclimberPage 8712. Install the locknuts that secure the flanges to the sheave bracket.13. Repeat Steps 11 and 12 for the flanges

C762, C764, C764i StairclimberPage 8821. Push the disk assembly through the drive belt. Position the belt against the disk hub and behind the drive be

C762, C764, C764i StairclimberPage 89Procedure 7.21 - Replacing the Idler Spring or Drive Belt Idler Procedure1. Remove the covers as described in P

C762, C764, C764i StairclimberPage 9Procedure 2.1 - Determining Software Version and Total Floors ClimbedSoftware version numbers are invaluable for

C762, C764, C764i StairclimberPage 90Diagram 7.19 - Idler Arm AssemblyRemoving the Drive Belt Idler10. Using the needle nose pliers, remove the hitc

C762, C764, C764i StairclimberPage 9114. Place the wave washer and drive belt idler onto the idler shaft weldment.15. Install the retaining ring next

C762, C764, C764i StairclimberPage 9225. Check the operation of the climber as described in Section Four, then replace the covers as described in Proc

C762, C764, C764i StairclimberPage 93Procedure 7.22 - Replacing a Stair Arm AssemblyRemoving the Stair Arm Assembly1. Remove the covers as described

C762, C764, C764i StairclimberPage 94Note:Hold the belt clamp against the belt and slotted area on the underside of the pedal when you perform the nex

C762, C764, C764i StairclimberPage 95Procedure 7.23 - Replacing a Handlebar AssemblyRemoving the Handlebar Assembly1. Turn off the climber with the

C762, C764, C764i StairclimberPage 966. If you are replacing only one handlebar assembly...THEN... OTHERWISE...Continue with the next step. Repeat Ste

C762, C764, C764i StairclimberPage 97Procedure 7.24 - Replacing the ColumnRemoving the Column1. Turn off the climber with the circuit breaker, then

C762, C764, C764i StairclimberPage 98Note:It may be necessary to push the upper ribbon cable connector into the hole at the base of the column when yo

C762, C764, C764i StairclimberPage 99Diagram 7.24 - Display Base Plate11. Position the display base plate on top of the column. Line up the tabs on