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Precor C960 Service Manual

C960 series commercial treadmill
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C960 Series Commercial Treadmill
C960, C962, C964 Treadmill
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.
© 2003 Precor Incorporated
Unauthorized Reproduction and Distribution Prohibited By Law
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Summary of Contents for Precor C960

  • Page 1 C960, C962, C964 Treadmill 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.

  • Page 2: Section One - Things You Should Know

    Section One, Things You Should Know. This section includes technical specifications and a procedure matrix. Read this section, as well as the owner's manuals shipped with the C960, C962 and C964 Treadmills, before you perform the procedures in this manual.

  • Page 3: Technical Specifications

    C960 Series Commercial Treadmill Technical Specifications Length: 80.5 inches (205 cm.) Width: Handrails 32 inches (81 cm.) Height: 45 inches (114 cm.) Running surface: 61 inches by 20 inches (155 cm. by 51 cm.) Speed: 240 Volts: 0.5 to 15 m.p.h. (0.8 to 24 k.p.h.) 120 Volts: 0.5 to 10 m.p.h.
  • Page 4 C960 Series Commercial Treadmill Serial Number Sequencing Table 1 identifies the serial number sequences for C960 Series SCR and PWM treadmills. Table 1. C960 Series Treadmill Serial Number Sequences SCR Units If the Model is... And the Voltage The Serial Number Rating is...
  • Page 5 C960 Series Commercial Treadmill SCR and PWM Upper PCAs Note: Upper PCA part number 33663-10X is used on C960s & C962s. Upper PCA part number 33662- 10X is used on C964s. There are currently three versions of the upper PCA that may be encountered in the field.
  • Page 6 The LED display test is initiated on the electronic console. (The C964 electronic console is shown in Diagram 2.1. Diagram 2.2 is the C962 electronic console. The C960 electronic console is shown in Diagram 2.3). Watch the electronic console as the display test progresses. This test is programmed to display the following LED illumination sequence: A horizontal series of dashes appear on the left and right display windows;...
  • Page 7 C960 Series Commercial Treadmill THEN... OTHERWISE... Press any key, then continue Press any key, then skip to Step 6. with the next step. Diagram 2.1 - C964 Electronic Display With the message PRESS ENTER WHEN FINISHED displayed on the electronic console,...
  • Page 8 C960 Series Commercial Treadmill Diagram 2.2 - C962 Electronic Display Diagram 2.3 - C960 Electronic Display Page 8...
  • Page 9 C960 Series Commercial Treadmill If all of the messages listed in Step 7 are displayed on the electronic console... THEN... OTHERWISE... Press RESET to return to the PRESS The treadmill lift switches are calibrated correctly, press ENTER ENTER FOR PROGRAMS prompt, to continue.
  • Page 10 C960 Series Commercial Treadmill outlet. Page 10...
  • Page 11 C960 Series Commercial Treadmill Table 2.1 - Electronic Console Key Test KEY TO BE PRESSED MESSAGE TO BE VERIFIED CHANGE 1 Left CHANGE Key CHANGE 2 Middle CHANGE Key CHANGE 3 Right CHANGE Key ENTER ENTER INCLINE DOWN INCLINE t...

  • Page 12: Procedure 2.2 - Running The Diagnostic Program (I Units)

    C960 Series Commercial Treadmill Procedure 2.2 - Running the Diagnostic Program (i Units) Placing the C962i or C964i Treadmill in diagnostic mode causes the software to perform the following operations: Test the LEDs mounted on the upper PCA; Provide the option of calibrating the lift system;...
  • Page 13 C960 Series Commercial Treadmill Diagram 2.4 - C964i Electronic Display Diagram 2.5 - C962i Electronic Display Page 13...
  • Page 14 C960 Series Commercial Treadmill The power bits will be displayed. The power bits indicate how much power is being applied to the drive motor. The power bit reading is a combination of the speed selected and the load applied to the treadmill. The power bit reading can be used to help determine bed and belt wear.

  • Page 15: Procedure 2.3 - Selecting Club Settings

    10 and 240 minutes. Press ENTER when the desired time appears. IMPORTANT On PWM C960 Series Treadmills, you may choose either English, Spanish, German or French language options. The MODIFY CUSTOM prompt is displayed. If you plan to customize the program...

  • Page 16: Procedure 2.4 - Displaying The Odometer

    C960 Series Commercial Treadmill Procedure 2.4 - Displaying the Odometer Note: Some older versions of software display the odometer as part of the diagnostics program. Refer to procedure 2.1 for these units. To access the odometer press the RESET key to return to the start up point, if necessary.
  • Page 17 C960 Series Commercial Treadmill Procedure 2.5 - Determining Software Version Numbers Software version numbers are invaluable for tracking and identifying problems and staying aware of changes to the operation and features of the product. Software version numbers will usually appear as two digits separated by a decimal.

  • Page 18: Procedure 2.6 - Documenting Software Problems

    If you isolated the problem to either the PROM, upper PCA, or lower PCA, include the information you recorded with the malfunctioning PROM or PCA when you ship it to Precor. When a problem occurs, record the following information: •...
  • Page 19 Press the STOP key. When the treadmill comes to a stop, view the electronic console as the treadmill scans time, speed, distance and percent. Note: If you are servicing a C960 Treadmill, skip Steps 4 and 5. Press the INCLINE key while viewing the electronic console. Confirm that the treadmill...
  • Page 20 C960 Series Commercial Treadmill Procedure 4.1 - Calibrating the Lift Assembly on C962 & C964 SCR & PWM Units WARNING Always turn off the circuit breaker and unplug the treadmill before you remove the treadmill hood. If the treadmill is not already at zero percent incline, press any key when the CALIBRATE LIFT PRESS ANY KEY prompt is displayed.
  • Page 21 C960 Series Commercial Treadmill If the distances recorded in the previous step are equal to within 1/4 inch... THEN... OTHERWISE... Skip to Step 17. Continue with the next step. At the PRESS ENTER FOR PROGRAMS prompt, press and hold the ENTER key.
  • Page 22 C960 Series Commercial Treadmill Diagram 4.2 - Limit Switch Bracket Assembly WARNING When power is applied to the treadmill, the wires connected to the upper and lower limit switches carry 110 volts (or 220 volts if you are servicing a 220-volt treadmill). Turn off the treadmill and unplug the power cord from the wall outlet before you perform the following steps.
  • Page 23 C960 Series Commercial Treadmill 12. Loosen the socket head bolts and washers that secure the switch bracket to the lift platform (see Diagram 4.2). Note: The zero sense switch can be actuated if the center of the wheel is slightly above or slightly below the widest point of the switch actuator.
  • Page 24 C960 Series Commercial Treadmill Procedure 4.2 - Calibrating the Lift Assembly on C962i & C964i Treadmills Note: On April 20, 2000 the C962i and C964i treadmills were equipped with a lift utilizing an internal lift potentiometer. Use the calibration procedure in steps 1-4 for units manufactured prior to April 20, 2000.
  • Page 25 C960 Series Commercial Treadmill Set the on/off switch in the off position. Lay the treadmill on its left side. Remove the bolt that fastens the lower end of the lift motor to the lift platform. Set the on/off switch in the on position. Enter the diagnostics program by pressing keys RESET,5,1,7,6,5,7,6,1, sequentially.

  • Page 26: Procedure 4.3 - Inspecting And Adjusting Safety Switch Alignment

    C960 Series Commercial Treadmill Procedure 4.3 - Inspecting and Adjusting Safety Switch Alignment WARNING Always turn off the circuit breaker and unplug the treadmill before you remove the treadmill hood. Inspecting the Alignment of the Safety Switch Turn off the treadmill with the circuit breaker, then unplug the power cord from the wall outlet.
  • Page 27 C960 Series Commercial Treadmill Diagram 4.5 - Safety Switch Assembly 10. Line up the tabs on the display housing with the holes on the display housing mounting plate. 11. Gently press the display housing onto the mounting plate until the tabs are pushed into the holes.

  • Page 28: Procedure 5.1 - Troubleshooting The Keypad And Upper Pca

    C960 Series Commercial Treadmill Procedure 5.1 - 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. This troubleshooting procedure gives you the information you need to determine which of these components is malfunctioning.
  • Page 29 C960 Series Commercial Treadmill Diagram 5.2 - Upper PCA Component Layout Table 5.1 - Voltage Test Points (Function Keys Not Pressed) PLACE THE POSITIVE LEAD OF THE THE VOLTMETER SHOULD VOLTMETER ON... READ... Pin 1 of J4 5 Vdc ± 500 mVdc Pin 2 of J4 5 Vdc ±...
  • Page 30 C960 Series Commercial Treadmill If the voltage readings match those listed in Tables 5.1 and 5.2 and one or more keys do not function, replace the upper PCA. If the voltage readings in Table 5.1 are incorrect, disconnect the keypad cable from the key pad connector and repeat the voltage measurements in 5.1.

  • Page 31: Procedure 5.2 - Troubleshooting The Lift System

    C960 Series Commercial Treadmill Procedure 5.2 - Troubleshooting the Lift System (SCR & PWM Units) Lift System Description: The lift system on these units consists of an AC line voltage driven lift motor (120 Vac or 240 Vac), a hall effect rotation sensor and three position location switches. The lift system orients itself by locating the zero sense switch when the treadmill is powered up.
  • Page 32 (240 VAC units), replace the lift capacitor. If you have performed all of the above procedures and have been unable to correct the problem, call Precor Customer Support. Typically, when the lift is able to physically move but causes a lift error, the problem is in the lift position identification system (rotation sensor and zero sense switch).
  • Page 33 C960 Series Commercial Treadmill 10. Measure the voltage between the red wire (term. 4 of J3) and the black wire (term 1 of J3). The voltage should read a constant 5 Vdc. If the voltage is 0 or significantly lower than 5 Vdc, disconnect the rotation sensor connector from the lower PCA.

  • Page 34: Procedure 5.3 - Troubleshooting The Lift System (I Units)

    C960 Series Commercial Treadmill Procedure 5.3 - Troubleshooting the Lift System (i Units) Lift System Description: The C962i and C964i treadmills were manufactured with two types of lift systems. Units built prior to April 20, 2000 consisted of an AC line voltage driven lift motor (120 Vac or 240 Vac) and an external 10 KW potentiometer.
  • Page 35 (240 VAC units), replace the lift capacitor. If you have performed all of the above procedures and have been unable to correct the problem, call Precor Customer Support. Typically, when the lift is able to physically move but causes a lift error, the problem is in the lift position identification system (lift potentiometer or lift calibration).
  • Page 36 (240 VAC units), replace the lift capacitor. If you have performed all of the above procedures and have been unable to correct the problem, call Precor Customer Support. 23. Typically, when the lift is able to physically move but causes a lift error, the problem is in the lift position identification system (lift potentiometer or lift calibration).
  • Page 37 C960 Series Commercial Treadmill 24. Measure the voltage between the red wire (term. 1 of J1) and the black wire (term 3 of J1) on the lower PCA. The voltage should measure approximately 5 Vdc. If the voltage is 0 Vdc or significantly low, continue with step 11.

  • Page 38: Procedure 5.4 - Troubleshooting The Speed Sensor

    C960 Series Commercial Treadmill Procedure 5.4 - Troubleshooting the Speed Sensor Note: The speed sensor is a hall effect sensor that emits a pulse when a flywheel lobe passes it. The speed control circuit processes the pulse train emitted by the speed sensor. The speed sensor signal is a real time representation of the operating speed of the treadmill.

  • Page 39: Procedure 5.5 - Troubleshooting Hand Held Heart Rate

    C960 Series Commercial Treadmill Procedure 5.5 - Troubleshooting Hand Held Heart Rate Circuit Description The hand held heart rate system is actually a dual system, that is, it can accept a heart rate signal from either the hand held heart rate contacts on the units handlebar or from a Polar heart rate chest strap transmitter.
  • Page 40 C960 Series Commercial Treadmill Set the on/off switch in the “off” position and remove the display housing. Verify the internal chest strap setting is set as shown in Diagram 5.3. Verify that a ferrite bead is installed on the heart rate PCA to upper PCA cable.
  • Page 41 C960 Series Commercial Treadmill 14. If a hand held signal was accepted in step 13, the hand held contact wiring is reversed. The end of the wire harness that connects to the hand held contacts in the handlebar is segregated into two groups. One group has blue shrink wrap around it and the other group has black shrink wrap around it.
  • Page 42 C960 Series Commercial Treadmill 23. If the hand held signal is now being accept, something in the near vicinity is radiating RF energy that is being received by the chest strap portion of the heart rate PCA. Disabling the chest strap signal proves that it is radiated energy that is causing the problem.

  • Page 43: Procedure 5.6 - Troubleshooting The External A.c. Power Source

    Procedure 5.6 - Troubleshooting the External A.C. Power Source It is extremely important that any Precor treadmill be connected to and operated on a dedicated 20 amp A.C. circuit. A 20 amp dedicated circuit is defined as: a circuit fed by a 20 amp circuit breaker that feeds a single load.
  • Page 44 C960 Series Commercial Treadmill The circuit breaker correctly feeds a single A.C. outlet but the neutral is common between several A.C. outlets. The common neutral lead must be removed from treadmills A.C. outlet and a new neutral lead from the treadmills A.C. outlet to the A.C. neutral distribution bar must be added.

  • Page 45: Procedure 6.1 - Replacing The Lift Motor, Rotation Sensor Or Magnet Hub

    C960 Series Commercial Treadmill Procedure 6.1 - Replacing the Lift Motor, Rotation Sensor or Magnet Hub Note: If you need to replace a lift motor that utilizes a hall effect rotation sensor, remove the magnet hub and rotation sensor bracket from the defective lift motor and mount them on the new lift motor.
  • Page 46 C960 Series Commercial Treadmill Diagram 6.1 - Exploded view of the Lift Motor (with Rotation Sensor) Lift Motor Rotation Sensor Mounting Bracket Rotation Sensor Magnet Hub Magnet Page 46...
  • Page 47 C960 Series Commercial Treadmill Replacing the Magnet 12. Remove the set screw that secures the magnet to the magnet hub. Discard the magnet. Note: When you position the magnet in the magnet hub, place the north pole towards the center of the magnet hub.
  • Page 48 C960 Series Commercial Treadmill Note: To extend the lift motor actuator faster, place a screwdriver shaft in the lower mounting hole of the lift motor and rotate the lift motor tube. 26. Position the lift motor at its mounting location.

  • Page 49: Procedure 6.2 - Replacing The Limit Switches, Actuator Shaft Or Switch Bracket

    C960 Series Commercial Treadmill Procedure 6.2 - Replacing the Limit Switches, Actuator Shaft or Switch Bracket Note: The limit switches and the actuator shaft are mounted on the switch bracket (see Diagram 5.1). WARNING Always turn off the circuit breaker and unplug the treadmill before you remove the treadmill hood.
  • Page 50 C960 Series Commercial Treadmill Removing the Down Limit Switch Carefully remove the black wires from the down limit switch. Remove the screws and washers that secure the limit switch to the switch bracket (see Diagram 5.1). If you are removing the zero sense switch...
  • Page 51 C960 Series Commercial Treadmill 11. If you are removing the actuator shaft or switch bracket... THEN... OTHERWISE... Continue with the next step. Skip to Step 26. Removing the Actuator Shaft and Switch Actuator 12. Remove the screw that secures the switch actuator to the actuator shaft. Set aside the screw and switch actuator.
  • Page 52 C960 Series Commercial Treadmill 22. Position the shoulder screw removed in Step 13 through the actuator block and into the base of the lift platform. 23. Tighten the shoulder screw that connects the actuator shaft and actuator block to the lift platform.
  • Page 53 C960 Series Commercial Treadmill THEN... OTHERWISE... Continue with the next step. Skip to Step 38. Replacing the Zero Sense Switch 35. Position the limit switch at its mounting location. 36. Replace the screws and washers that secure the limit switch to the switch bracket.

  • Page 54: Procedure 6.3 - Replacing The Lift Motor Capacitor

    C960 Series Commercial Treadmill Procedure 6.3 - Replacing the Lift Motor Capacitor WARNING Always turn off the circuit breaker and unplug the treadmill before you remove the treadmill hood. Removing the Lift Motor Capacitor Remove the hood Remove the black and red wires from the lift motor capacitor terminals.

  • Page 55: Procedure 6.4 - Replacing The Lift Platform

    C960 Series Commercial Treadmill Procedure 6.4 - Replacing the Lift Platform WARNING Always turn off the circuit breaker and unplug the treadmill before you remove the treadmill hood. Removing the Lift Platform Turn off the treadmill with the circuit breaker, then unplug the power cord from the wall outlet.
  • Page 56 C960 Series Commercial Treadmill Diagram 6.3A - Lift Shaft Orientation FRONT REAR Lift Platform Lift Shaft Flat Side Page 56...

  • Page 57: Lift Motor

    C960 Series Commercial Treadmill Diagram 6.3B - Lift Platform Actuator Block Lift Platform Lift Motor Replacing the Lift Platform With the treadmill still on its right side, position the lift platform at its mounting position. Replace the bolt(s) and nut(s) that secure the lift platform to the treadmill frame.
  • Page 58 C960 Series Commercial Treadmill Diagram 6.3C - Lift Potentiometer Mounting Locator Potentiometer Locator Hole Potentiometer Bracket 10. Skip this step on C962i and C964i treadmills. Replace the bolt that connects the actuator block to the lift platform. 11. Replace the lower bolt and nut that secures the lift motor to the lift platform.

  • Page 59: Procedure 6.5 - Replacing The Drive Belt

    C960 Series Commercial Treadmill Procedure 6.5 - Replacing the Drive Belt WARNING Always turn off the circuit breaker and unplug the treadmill before you remove the treadmill hood. Removing the Drive Belt Remove the hood. Score a line on the drive motor mounting plate that runs the length of the motor pedestal (see Diagram 6.4).

  • Page 60: Replacing The Drive Belt

    C960 Series Commercial Treadmill Carefully push the drive motor toward the drive roller. Loosen the bolts threaded through both ends of the drive roller shaft. Remove the socket head screws that secure the top drive roller mounts (see Diagram 6.5).
  • Page 61 C960 Series Commercial Treadmill 14. Tighten the socket head screws. 15. Push and hold the left side of the drive roller toward the drive motor. Note: Right, left, front, and back are from the perspective of a user standing on the treadmill and facing the electronic console.

  • Page 62: Procedure 6.6 - Replacing The Drive Roller Or Drive Roller Bearings

    C960 Series Commercial Treadmill Procedure 6.6 - Replacing the Drive Roller or Drive Roller Bearings WARNING Always turn off the circuit breaker and unplug the treadmill before you remove the treadmill hood. Note: If the drive roller bearings require replacement, you may replace either the bearings or the entire drive roller.
  • Page 63 C960 Series Commercial Treadmill Diagram 6.6 - Exploded View of a Roller Wave Washer Roller Tube Roller Shaft Bearing Snap Ring Remove the snap ring from both ends of the roller (see Diagram 6.6). 10. Hold the roller in a vertical position 3–4 inches above a block of wood. The block of wood must be on a hard solid surface such as a floor.
  • Page 64 C960 Series Commercial Treadmill Replacing the Roller Bearings and Shaft You will need an assistant to perform the following steps. 14. Have an assistant support the roller against a work surface. One end of the roller must be flush with the work surface.

  • Page 65: Replacing The Drive Roller

    C960 Series Commercial Treadmill 19. While an assistant supports the roller tube, place a wave washer on to the shaft. Slide the new bearing onto the upper end of the shaft. Using the bearing replacement tool and a hammer or mallet, gently tap the bearing into the tube. The bearing will be below flush and the snap ring groove will be exposed when the bearing is properly set in the roller tube.
  • Page 66 C960 Series Commercial Treadmill 33. Inspect and adjust the tension, tracking, and alignment of the running belt as described in Procedure 3.1 of the Commercial Treadmill Service Manual. 34. Check the operation of the treadmill as described in Section Three of this appendix, then replace the hood.

  • Page 67: Procedure 6.7 - Replacing The Take-Up Roller Or Take-Up Roller Bearings

    C960 Series Commercial Treadmill Procedure 6.7 - Replacing the Take-Up Roller or Take-Up Roller Bearings Removing the Take-Up Roller Remove the screws that secure the right and left end caps to the treadmill frame. Set the end caps and end cap mounting hardware aside.

  • Page 68: Replacing The Take-Up Roller

    C960 Series Commercial Treadmill Replacing the Roller Bearings and Shaft You will need an assistant to perform the following steps. 13. Have an assistant support the roller against a work surface. One end of the roller must be flush with the work surface.
  • Page 69 C960 Series Commercial Treadmill Note: When you replace the bolts in the take-up roller, the tension limiting bolt must be on the right side of the treadmill when the take-up roller is installed on the treadmill. The belt tracking bolt must be on the left side of the treadmill.

  • Page 70: Procedure 6.8 - Replacing The Safety Switch Assembly

    C960 Series Commercial Treadmill Procedure 6.8 - Replacing the Safety Switch Assembly The exploded view of the safety switch assembly is shown in Diagram 6.9. Removing the Safety Switch Cam Remove the three screws that secure the upper display housing to the display housing mounting plate.
  • Page 71 C960 Series Commercial Treadmill Disconnect the safety cord from the switch cam (see Diagram 6.10). Remove the dowel that secures the switch cam to the switch mounting bracket (see Diagram 6.10). Set aside the safety switch cam. Removing the Safety Limit Switch Disconnect the safety switch wiring.
  • Page 72 Replacing the Safety Switch Cam 13. If the safety switch cam operates too freely, the switch may operate unintentionally. If desired a friction pad (Precor part # 38628-101) may be inserted between the safety switch cam and switch mounting bracket.

  • Page 73: Procedure 6.9 - Replacing The Prom

    C960 Series Commercial Treadmill Procedure 6.9 - Replacing the PROM Anti-static kits (part number 20024-101) can be ordered from Precor. 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.
  • Page 74 C960 Series Commercial Treadmill Wiring Diagram 7.1 - C960 SCR 240 Vac Page 74...
  • Page 75 C960 Series Commercial Treadmill Block Diagram 7.2 - C960 SCR 240 Vac Page 75...
  • Page 76 C960 Series Commercial Treadmill Wiring Diagram 7.3 - C962, C964 SCR 120 Vac Page 76...
  • Page 77 C960 Series Commercial Treadmill Block Diagram 7.4 - C962, C964 SCR 120 Vac Page 77...
  • Page 78 C960 Series Commercial Treadmill Wiring Diagram 7.5 - C962, C964 SCR 240 Vac Page 78...
  • Page 79 C960 Series Commercial Treadmill Block Diagram 7.6 - C962, C964 SCR 240 Vac Page 79...
  • Page 80 C960 Series Commercial Treadmill Wiring Diagram 7.7 - C960 PWM 240 Vac Page 80...
  • Page 81 C960 Series Commercial Treadmill Block Diagram 7.8 - C960 PWM 240 Vac Page 81...
  • Page 82 C960 Series Commercial Treadmill Wiring Diagram 7.9 - C962, C964 PWM 120 Vac Page 82...
  • Page 83 C960 Series Commercial Treadmill Block Diagram 7.10 - C962, C964 PWM 120 Vac Page 83...
  • Page 84 C960 Series Commercial Treadmill Wiring Diagram 7.11 - C962, C964 PWM 240 Vac Page 84...
  • Page 85 C960 Series Commercial Treadmill Block Diagram 7.12 - C962, C964 PWM 240 Vac Page 85...
  • Page 86 C960 Series Commercial Treadmill Wiring Diagram 7.13 - C962i, C964i 120 Vac Page 86...
  • Page 87 C960 Series Commercial Treadmill Block Diagram 7.14 - C962i, C964i 120 Vac Page 87...

  • Page 88: Line Filter

    C960 Series Commercial Treadmill Wiring Diagram 7.15 - C962i, C964i 240 Vac Line Filter On units manufactured after April 19, 2000 the lift potentiometer was internal to the lift motor Page 88...
  • Page 89 C960 Series Commercial Treadmill Block Diagram 7.16 - C962i, C964i 240 Vac Page 89...

This manual is also suitable for:

C962C964

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