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™
Be Strong.
Model: T514
Model: T516
Model: T518
Service Manual
Sport Series
Base Model: T514, T516, T518
Display Model: LE, LE-X, LC
P/N: 001-6868 Rev B (03/2007)
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Attention! For det Ailed instructions And in Form Ation on A yssembl And use For ® your nA utilus s port s eries t re Admill, models t514, t516 And t518, re Fer ot the A yssembl And owner’s m Anu Als.
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Table of con Ten TS 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
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Prodc u T Serial n umber l oca Tion S BASE SEr IAL Nu MBEr Lo CATIo N 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. All Sports Series treadmills have a
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Prodc u T SPecifica Tion S Ex ERCISE YOUR Ind Iv IdUa LIt Y. 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 d eck Pla Tforms T514 T516 T518 Co
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imPorT anT SafeTy PrecaT u ionS 3. Read, understand, and test the SAFETY STOP PROCEDURES in When using electrical equipment, always follow these the Owner’s Manual before using the treadmill. basic precautions: 4. The Safety Stop Cord does not turn off the electrical current IMPor TANT SAFETY INSTru CTIo NS to the treadmill. The treadmill continues to draw power, even when the display is off. To avoid electric shock, do not remove The following definitions apply to the words “Danger” a
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im Por Tan T Safe Ty P recauT ion S 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 Failure to follow the conditions set forth below shall limit, to the prevent safe exit of the treadmill in an emergency situation ® extent allowed by law, Nautilus Inc. responsibility for the safety, such as falling. Allow a
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iP m orT anT SafeTy PrecauTionS Saf Et Y Wa Rn In G La BELS ® 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. l abel 1: P lease make sure all users read, understand, and follow the warn
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im Por Tan T Safe Ty P recauT ion S EMERGEn CY St OP 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. ALWAYS ATTACH THE MAGNETIC STOP KEY CORD CLIP TO YOUR CLO
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m echanical Service ugide 1.0 - rEPLACEMENT oF CroWNED FroNT roLLEr Figure 1: Tools Needed: • Phillips Screwdriver • 3/16 inch Hex Key / Allen Wrench • 1/2 inch wrench • 7/16 inch wrench NOTE:Ifusingapowereddriver,itmust beonthe “LOWTORQUE”setting, otherwise it will stripscrews. AS Lo NG AS Th E Tr EADMILL IS PLu GGED INTo A Po WEr ED ou TLET AND Th E Tr EADMILL CIr Cu IT Br EAKEr IS o N, Th E u NIT IS r ECEIVING Po WEr , Figure 2: EVEN IF Th E DISPLAY I
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m echanical Service guide 1-6 Loosen the (4) nuts on the Motor base using a 1⁄2 inch Figure 3: 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. Note: Removal of the bracket upright support (Figure 6) may help in the completion of Step 5, but i
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m echanical Service ugide 2.0 - rEPLACEMENT oF DrIVE MoTor Figure 1: Tools Needed: • Phillips Screwdriver • 1/2 inch wrench • 3/16 inch Allen wrench NOTE:Ifusingapowereddriver ,it mustbe onthe “LOWTORQUE”setting,otherwiseit will stripscrews. AS Lo NG AS Th E Tr EADMILL IS PLu GGED INTo A Po WEr ED ou TLET AND Th E Tr EADMILL CIr Cu IT Br EAKEr IS o N, Th E u NIT IS r ECEIVING Po WEr , Figure 2: EVEN IF Th E DISPLAY IS Tur NED o FF. ALWAYS u NPLu G Th E
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m echanical Service guide Figure 3: 2-8 Slide the drive belt off the pulley on the end of the motor shaft. 2-9 Trace 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 Slide the motor towards the belt, then lift the motor out. NOTE: Depending on the mot
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m echanical Service ugide 2-15 Plug the red and black motor wires onto the Figure 5: motor controller. The red wire goes on the A+ terminal and the black wire goes to the A- terminal. Attach the green ground wire to the controller/frame with the Phillips head screw (see Figure 7 and 7A). 2-16 Replace 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
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m echanical Service guide Figure 7: Figure 7A: MOt OR SPECIfICatIOnS T514 2.7 HP 110V T516/T518 3.0 HP 110V T516/T518 (International Models) 3.0 HP 220V Nautilus® Sport Series Treadmill Service Manual 1
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m echanical Service ugide 3.0 - rEPLACEMENT oF CroWNED rEAr roLLEr Figure 1: Tools Needed: • Phillips Screwdriver • 3/16 inch Allen wrench AS Lo NG AS Th E Tr EADMILL IS PLu GGED INTo A Po WEr ED ou TLET AND Th E Tr EADMILL CIr Cu IT Br EAKEr IS o N, Th E u NIT IS r ECEIVING Po WEr , EVEN IF Th E DISPLAY IS Tur NED o FF. ALWAYS u NPLu G Th E Po WEr C or D Fro M Th E ou TLET AND Tr EADMILL Wh EN PEr For MING r EPAIr S or MAINTENANCE. Figure 2: 3-1 Turn off the power sw
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m echanical Service guide 4.0 - rEPLACEMENT oF ELEVATIoN PoTENTIoMETEr Figure 1: Tools Needed: • Phillips Screwdriver NOTE:Ifusingapowereddriver ,itmustbe on the “LOWTORQUE”setting, otherwise itwill stripscrews. AS Lo NG AS Th E Tr EADMILL IS PLu GGED INTo A Po WEr ED ou TLET AND Th E Tr EADMILL CIr Cu IT Br EAKEr IS o N, Th E u NIT IS r ECEIVING Po WEr , EVEN IF Th E DISPLAY IS Tur NED o FF. ALWAYS u NPLu G Th E Po WEr C or D Fro M Th E ou TLET
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m echanical Service ugide 4-7 Reinstall the elevation potentiometer (see Figure Figure 4: 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). NOTE: Do not force the elevation pot. It should mate up with little or no pressure. 4-8 Reconnect the elevation cable to the potentiometer making sure that the colors on the two wires match up. 4-9 Replace the motor cover first, then replace the lower o
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m echanical Service guide 5.0 - rEPLACEMENT oF WALKING BELT Figure 1: Tools Needed: • Phillips Screwdriver • 1/2 inch wrench NOTE:Ifusingapowered driver ,it must be onthe “LOWTORQUE”setting,otherwise itwill stripscrews. AS Lo NG AS Th E Tr EADMILL IS PLu GGED INTo A Po WEr ED ou TLET AND Th E Tr EADMILL CIr Cu IT Br EAKEr IS o N, Th E u NIT IS r ECEIVING Po WEr , EVEN IF Th E DISPLAY IS Tur NED o FF. ALWAYS Figure 2: u NPLu G Th E Po WEr C or D Fro M
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m echanical Service ugide 5-5 Loosen the motor tension bolt (see Figure 3) using Figure 3: 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. 5-6 Slide the drive belt off the pulley on the end of the motor shaft. 5-7 Remove the front and rear roller following the instructions for replacement of the front and rear roller (Section 1: Replacement of Crow
