Be Strong.
Attention! For detailed instructions and information on assembly and use for your Nautilus® Sport Series Treadmill, models t514, t516 and t518, refer to the assembly and owner’s manuals.
Table of contents Product Serial Number Location---------------------------------------- 4 Product Specifications -------------------------------------------------- 5 Important Safety Precautions ------------------------------------------- 6 Mechanical Service Guide Replacement of Crowned Front Roller --------------------------- 10 Replacement of Drive Motor -------------------------------------- 12 Replacement of Crowned Rear Roller --------------------------- 16 Replacement of Elevation Potentiometer ----
Product Serial Number Locations Base serial number location The serial number decal on the base can be found on the left hand incline arm. This decal is visible without removing any parts on the treadmill. To more easily view the serial number decal, incline the treadmill to 15%. The serial number and model number listed on this decal are required when completing the enclosed warranty card and may be required when calling Customer Service.
Product specifications Exercise Your Individuality. With the Nautilus® Sport Series, you can now customize your treadmill. The idea is to find the perfect combination of treadmill deck platform, console display features and software upgrades that match your fitness goals, frequency of use, height and weight, and fitness level. You can choose from three treadmill decks, three displays, and three additional software plug-ins. Treadmill Deck Platforms T514 T516 T518 Continuous HP 2.
Important safety precautions When using electrical equipment, always follow these basic precautions: IMPORTANT SAFETY INSTRUCTIONS 3. Read, understand, and test the SAFETY STOP PROCEDURES in the Owner’s Manual before using the treadmill. 4. The Safety Stop Cord does not turn off the electrical current to the treadmill. The treadmill continues to draw power, even when the display is off.
Important safety precautions 13. Never position the treadmill with the back end (direction of and damage if they play with the equipment. belt travel) facing a wall or any other objects such as furniture or other pieces of fitness equipment. Failure to do so can prevent safe exit of the treadmill in an emergency situation such as falling. Allow a minimum of 79 inches (2 meters) behind the treadmill and 20 inches (.5 meters) on each side. 14.
Important safety precautions Safety Warning Labels The following safety warnings are located on the Nautilus® Sport Series treadmill, models T514, T516 and T518. Please read all safety precautions and warning information prior to using your product. Be sure to replace any warning label if damaged, illegible, or missing. If you need replacement labels, please call a Nautilus Representative at (800) 628-8458.
Important safety precautions Emergency Stop Procedures Your Nautilus® Sport Series treadmill console display, models LE, LE-X and LC, is equipped with a MAGNETIC STOP KEY that can protect you from serious injury and inhibit children from playing with and/or being injured on the Nautilus® Sport Series treadmill. If the Magnetic Stop Key is not fully inserted into the safety keyhole, the Sport Series treadmill will NOT power up.
Mechanical Service guide 1.0 - REPLACEMENT OF CROWNED FRONT ROLLER Tools Needed: • Phillips Screwdriver • 3/16 inch Hex Key / Allen Wrench • 1/2 inch wrench • 7/16 inch wrench Figure 1: NOTE: If using a powered driver, it must be on the “LOW TORQUE” setting, otherwise it will strip screws. 7! 2 . ) . ' AS LONG AS THE TREADMILL IS PLUGGED INTO A POWERED OUTLET AND THE TREADMILL CIRCUIT BREAKER IS ON, THE UNIT IS RECEIVING POWER, EVEN IF THE DISPLAY IS TURNED OFF.
Mechanical Service guide 1-6 L oosen the (4) nuts on the Motor base using a 1⁄2 inch wrench from the underside of the motor pan. Using a 7/16 inch wrench loosen the nut of the “Motor tension bolt” located on the front of the motor (Figure 5). Do not unscrew it all the way, loosen the motor to get enough slack in the drive belt to slide the belt off the motor shaft pulley. Figure 3: Note: R emoval of the bracket upright support (Figure 6) may help in the completion of Step 5, but is not required.
Mechanical Service guide 2.0 - REPLACEMENT OF DRIVE MOTOR Figure 1: Tools Needed: • Phillips Screwdriver • 1/2 inch wrench • 3/16 inch Allen wrench NOTE: If using a powered driver, it must be on the “LOW TORQUE” setting, otherwise it will strip screws. 7! 2 . ) . ' AS LONG AS THE TREADMILL IS PLUGGED INTO A POWERED OUTLET AND THE TREADMILL CIRCUIT BREAKER IS ON, THE UNIT IS RECEIVING POWER, EVEN IF THE DISPLAY IS TURNED OFF.
Mechanical Service guide Figure 3: 2-8 S lide the drive belt off the pulley on the end of the motor shaft. 2-9 T race the wires going from the motor to the motor controller (see Figure 5). Unplug the red and black wires that connect to the motor controller and remove the Phillips head screw that attaches the green ground wire to the mounting plate to the treadmill motor pan (see Figure 5A). 2-10 S lide the motor towards the belt, then lift the motor out.
Mechanical Service guide 2-15 P lug the red and black motor wires onto the motor controller. The red wire goes on the A+ terminal and the black wire goes to the Aterminal. Attach the green ground wire to the controller/frame with the Phillips head screw (see Figure 7 and 7A). Figure 5: 2-16 R eplace the motor cover first, then replace the lower outer plastic cover using (4) Phillips head screws per side, and the lower inside upright plastic cover using (4) Phillips head screws, per side.
Mechanical Service guide Figure 7: Figure 7A: MOTOR SPECIFICATIONS T514 T516/T518 T516/T518 (International Models) 2.7 HP 110V 3.0 HP 110V 3.
Mechanical Service guide 3.0 - REPLACEMENT OF CROWNED REAR ROLLER Tools Needed: • Phillips Screwdriver • 3/16 inch Allen wrench Figure 1: 7! 2 . ) . ' AS LONG AS THE TREADMILL IS PLUGGED INTO A POWERED OUTLET AND THE TREADMILL CIRCUIT BREAKER IS ON, THE UNIT IS RECEIVING POWER, EVEN IF THE DISPLAY IS TURNED OFF. ALWAYS UNPLUG THE POWER CORD FROM THE OUTLET AND TREADMILL WHEN PERFORMING REPAIRS OR MAINTENANCE. $!.'%2 3-1 Turn off the power switch and unplug the power cord from the wall outlet.
Mechanical Service guide 4.0 - REPLACEMENT OF ELEVATION POTENTIOMETER Tools Needed: • Phillips Screwdriver Figure 1: NOTE: If using a powered driver, it must be on the “LOW TORQUE” setting, otherwise it will strip screws. 7! 2 . ) . ' AS LONG AS THE TREADMILL IS PLUGGED INTO A POWERED OUTLET AND THE TREADMILL CIRCUIT BREAKER IS ON, THE UNIT IS RECEIVING POWER, EVEN IF THE DISPLAY IS TURNED OFF. ALWAYS UNPLUG THE POWER CORD FROM THE OUTLET AND TREADMILL WHEN PERFORMING REPAIRS OR MAINTENANCE. $!.
Mechanical Service guide 4-7 R einstall the elevation potentiometer (see Figure 4) - taking note of the flat spot on the shaft of the pot in relation to the flat spot on the cam inside the elevation motor (see Figure 5). Figure 4: NOTE: Do not force the elevation pot. It should mate up with little or no pressure. 4-8 R econnect the elevation cable to the potentiometer making sure that the colors on the two wires match up.
Mechanical Service guide 5.0 - REPLACEMENT OF WALKING BELT Tools Needed: • Phillips Screwdriver • 1/2 inch wrench Figure 1: NOTE: If using a powered driver, it must be on the “LOW TORQUE” setting, otherwise it will strip screws. 7! 2 . ) . ' AS LONG AS THE TREADMILL IS PLUGGED INTO A POWERED OUTLET AND THE TREADMILL CIRCUIT BREAKER IS ON, THE UNIT IS RECEIVING POWER, EVEN IF THE DISPLAY IS TURNED OFF. ALWAYS UNPLUG THE POWER CORD FROM THE OUTLET AND TREADMILL WHEN PERFORMING REPAIRS OR MAINTENANCE. $!.
Mechanical Service guide 5-5 L oosen the motor tension bolt (see Figure 3) using a 1/2 inch wrench and then loosen the (4) 1/2 inch nuts and bolts (heads located under the motor pan) securing the motor base to the pan, allowing the motor to slide towards the belt. Figure 3: 5-6 S lide the drive belt off the pulley on the end of the motor shaft.
Mechanical Service guide 5-14 P lace the drive belt over the motor pulley and the drive pulley. Tighten the nut on the motor tension bolt until the spring is nearly closed and tighten the 4 bolts on the motor base. Figure 5: 5-15 C heck for proper belt tension following the Walking Belt Tension Adjustment and Tracking Adjustment procedures in Appendix 3. 5-16 Replace the motor and plastic covers.
Mechanical Service guide 6.0 - REPLACEMENT OF WALKING DECK Tools Needed: • Phillips Screwdriver • 1/2 inch Wrench Figure 1: NOTE: If using a powered driver, it must be on the “LOW TORQUE” setting, otherwise it will strip screws. 7! 2 . ) . ' AS LONG AS THE TREADMILL IS PLUGGED INTO A POWERED OUTLET AND THE TREADMILL CIRCUIT BREAKER IS ON, THE UNIT IS RECEIVING POWER, EVEN IF THE DISPLAY IS TURNED OFF. ALWAYS UNPLUG THE POWER CORD FROM THE OUTLET AND TREADMILL WHEN PERFORMING REPAIRS OR MAINTENANCE. $!.
Mechanical Service guide 6-7 R emove the front and rear roller following the instructions for Replacement of Crowned Front Roller (Section One) and Replacement of Crowned Rear Roller (Section Three). Figure 4: 6-8 P lace the treadmill on its right side (motor side towards the floor). 6-9 R emove (8) nuts (tall isolators) on the underside of the walking board (see Figure 4 and 5). NOTE: Do Not remove the (4) short isolators from the frame.
Mechanical Service guide 7.0 - REPLACEMENT OF UPPER ELECTRONICS Tools Needed: • Phillips Screwdriver Figure 1: NOTE: If using a powered driver, it must be on the “LOW TORQUE” setting, otherwise it will strip screws. 7! 2 . ) . ' AS LONG AS THE TREADMILL IS PLUGGED INTO A POWERED OUTLET AND THE TREADMILL CIRCUIT BREAKER IS ON, THE UNIT IS RECEIVING POWER, EVEN IF THE DISPLAY IS TURNED OFF. ALWAYS UNPLUG THE POWER CORD FROM THE OUTLET AND TREADMILL WHEN PERFORMING REPAIRS OR MAINTENANCE. $!.
Mechanical Service guide 8.0 - REPLACEMENT OF ELEVATION MOTOR Tools Needed: • Phillips Screwdriver • Flat Head Screwdriver • Flat Wooden Blocks Figure 1: NOTE: If using a powered driver, it must be on the “LOW TORQUE” setting, otherwise it will strip screws. 7! 2 . ) . ' AS LONG AS THE TREADMILL IS PLUGGED INTO A POWERED OUTLET AND THE TREADMILL CIRCUIT BREAKER IS ON, THE UNIT IS RECEIVING POWER, EVEN IF THE DISPLAY IS TURNED OFF.
Mechanical Service guide 8-7 L ocate the two pins, secured by E-clip, that attach the elevation motor to the swing arm assembly. Remove the E-clip, securing the pin furthest from the elevation motor, with a Flat Head Screw Driver (see Figure 4). Figure 3A: 8-8 Remove the pin to free the swing arm. 8-9 R emove the clip and bolt securing the elevation motor to the frame brackets (see Figure 5). 8-10 Lift and remove the motor.
Mechanical Service guide 9.0 - REPLACEMENT OF COMBO BOARD Tools Needed: • Phillips Screwdriver • 1/2 inch wrench Figure 1: NOTE: If using a powered driver, it must be on the “LOW TORQUE” setting, otherwise it will strip screws. 7! 2 . ) . ' AS LONG AS THE TREADMILL IS PLUGGED INTO A POWERED OUTLET AND THE TREADMILL CIRCUIT BREAKER IS ON, THE UNIT IS RECEIVING POWER, EVEN IF THE DISPLAY IS TURNED OFF. ALWAYS UNPLUG THE POWER CORD FROM THE OUTLET AND TREADMILL WHEN PERFORMING REPAIRS OR MAINTENANCE. $!.
Mechanical Service guide 9-8 P lug the wires into the new dual board using the wiring diagram provided in Appendix 1 and 2 . Figure 3A: 9-9 P lug the power cord into the wall outlet and start the treadmill. If the waking belt has a surging motion you can correct this by slightly turning the “IR Comp” adjustment pot on the dual board (see Figure 4 and 4A). 9-10 I f the belt speed is too low during calibration adjust the max “speed” pot to achieve proper setting.
Electrical and Mechanical troubleshooting guide 1. Condition / Problem Knocking noise under the motor cover or at the rear of the treadmill. 2. Chirping or squeaking noise under motor cover. 3. Walking belt slips. 4. Walking belt hesitates or seems to stick when stepped on. Speed loss when treadmill is walked on. 5. 6. Motor is making high pitched noise (T516 or T518 models) Things to Check Front and rear roller Solution Let the rollers run for a week.
Electrical and Mechanical troubleshooting guide Condition / Problem 7. No elevation up or elevation down or no elevation but will calibrate. Things to Check Motor Bearings Elevation Calibration Elevation Pot Values Signal to LCB from Console Elevation Rheostat and the jumper to the Dual Board. 30 Solution Replace the motor. See Calibration Procedure in the appendix section. Check the I/O cable connections at console and dual board.
Electrical and Mechanical troubleshooting guide 8. 9. Condition / Problem No Power. No belt movement with elevation. Things to Check Power Source Safety Key (Magnetic) Treadmill Circuit Breaker Switch Dual Board LED’s If 115VAC light is on and 12V light is off If both 115VAC and 12V lights are on Signal to Dual Board 10. Fuses continue to blow or Running Belt circuit breaker switch trips. 11. Console powers up, No belt I/O Cable Connectors movement, No elevation. Solution Check for power at outlet.
Electrical and Mechanical troubleshooting guide Condition / Problem 12. Segments Missing. 13. No Speed Reading Things to Check Dual Board Front Roller Pulley Speed Sensor 14. Electronics shut down when changing speed or elevation during workout. 15. Treadmill surges at low speeds. 16. Heart Rate does not read consistently. I/O Cables Electronics IR Comp on Motor Controller Appliances Chest Strap 32 Solution Press POWER button, then the START button.
Electrical and Mechanical troubleshooting guide Condition / Problem 17. Speed Display is inaccurate. 18. Rock BAR does not work. 19. Grip Heart Rate Monitor. 20. Speed Display is Inaccurate. Things to Check Heart Rate Receiver Solution Try the following 3 procedures: 1 - Move the Heart Rate Receiver as far away from the upper electronics as possible. 2 - Mount the Heart Rate Receiver to the upright. 3 - Mount the Heart Rate Receiver using a small piece of foam to soften the vibration.
Console code summary guide Console Code Errors During calibration, all 3 electronics, could display: “Cal Fail” Auto calibration has exceeded 3 minutes NOTE: Error is normally speed related. • Make sure the PWM does not exceed 250. “Cal Fail Err EL” Indicates Grade pot or grade motor failure • Check wire connection especially connection from actuator to LCB and from LCB to upper board by making sure there is no loose connection. If no loose connection change the code/wire.
Console code summary guide movement then replace elevation motor. “Err Grad2” Grade motor moves without command Indicates grade pot count changes by 3% or more. • Change grade motor. “Err Grad3” Grade pot count is 1%+ out of calibrated range • Recalibrate and if not corrected then replace motor. LE Stuck Key Test At power up if any key switch in overlay is stuck the appropriate error code will identify which key. NOTE: Pressing key may free up switch but overlay should be replaced.
Console code summary guide LC Stuck Key Test At power up if any key switch in overlay is stuck the appropriate error code will identify which key. NOTE: Pressing key may free up switch but overlay should be replaced.
Console code summary guide LED # DT5 DT6 DT9 DT11 DT13 DT15 DT16 ILT1 ILT2 ILT4 Color Green Red Green Red Red Green Yellow Green Red Red Function +12VDC Reference to Chassis, powers up the display board. Speed command signal from the display panel. Belt motor power DC bus energized. Elevation up relay on. Elevation down relay on. (220 volt models) Red (110 volt models) AC input power on. Belt speed indicator. -15VDC Reference to logic common., powers up control logic. Motor at current limit indicator.
Console code summary guide 1400 Motor Controller - Freespirit Models QQ2187 - QQ2197 LED = DT5 Color = Green Normal Operations Light is ON LED = DT6 Color = Red Normal Operations Light is BLINKING +12VD Reference to Chassis, power up the display board Speed command signal from the display panel If console has no power There is power to the console but no belt movement If light is ON, you have 12V power to the upper board If light is NOT ON you don’t have power to the upper board Check I/O cable conn
Electronics display Management Menu To access the Management Menu, press and hold the SPEED UP and SPEED DOWN Keys for three seconds while in Standby Mode. Treadmill is now in Management Menu Mode. LE Display: 1. TOTAL HOURS will be shown on the display, press ENTER Key to advance. 2. TOTAL MILES/KMs will be shown on the display, press ENTER Key to advance. 3. UNITS will be shown on the display, press SPEED UP/DOWN or INCLINE UP/DOWN to change units from English to Metric or from Metric to English.
Appendix 1 - wiring schematic - 110v single ac inlet 40 P/N 000-7888
Appendix 2 - wiring schematic - 110v twin ac inlets P/N 000-7889 %ODFN .
Appendix 3 - Walking belt tension & tracking adjustment Tension Adjustment Tools Needed: • Hex Key Figure 1: 1-U sing a hex key, turn the left and right adjusting bolts clockwise 1/2 turn (see Figure 1 and 1A). NOTE: Use care to make each adjustment equal to ensure proper belt alignment. 2 - T est the belt by running on the belt at approximately 4 MPH. Then hold the handrail lightly and resist the belt movement with your feet. If walking belt slips, repeat Step 1.
Appendix 4 - calibration procedures Calibration Procedures 1-P lug the treadmill into the power outlet, insert the safety key and turn the front power switch on. 2-S imultaneously press the [INCLINE UP] and the [INCLINE DOWN] keys. 3 - Press [START] to begin calibration. 4 - “ CAL PASS” will be displayed on the monitor. Press [STOP] to exit. Plug the treadmill into the power outlet, turn the front power switch on and insert the Magnetic safety key into the display.
Appendix 5 - Interface connectors dc volts 8 - PINS Description Elevation Pot Wiper A/D 5 VDC + VDC to Electronics Elevation Up A/D Ground Reference Chas Gnd Run/Stop Relay Elevation Down Molex / AMP # 8 7 6 5 4 3 2 1 Wire Color Gray Purple Blue Green Yellow Orange Red Brown Volts 5 VDC+ 5 VDC+ 12 VDC+ 12 VDC+ Gnd Ref Chas Gnd 12 VDC+ 12 VDC+ Wire Color Blue Green Yellow Orange Red Brown Volts Gnd Ref 12 VDC + 5 VDC + - 6 - PINS Description Chas Ground PWM Speed Command Speed Sensor Signal - 44
Important contact numbers If you need assistance, please have both the serial number of your machine and the date of purchase available when you contact the appropriate Nautilus office listed below. OFFICES IN THE UNITED STATES: INTERNATIONAL OFFICES: E-mail: customerservice@nautilus.com For technical assistance and a list of distributors in your area, please call or fax one of the following numbers. • TECHNICAL/CUSTOMER SERVICE Nautilus, Inc.
Model: T514 Model: Model: T516 T518 Be Strong.™ For more information about our Sport Series treadmills or other Nautilus ® equipment for your home, visit www.Nautilus.com/SportSeries. © 2005 Nautilus, Inc. All rights reserved. Nautilus, the Nautilus logo, My Nautilus, Heart Strong, Changing the Game in Health and Fitness, REACT, ROC, Remote Operation Control, SuperSoft, Hyperdrive, Be Strong are either registered trademarks or trademarks of Nautilus, Inc. Nautilus, Inc.
