Nautilus T618 Service Manual

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NOTICE: This document provides instructions for the replacement of the Motor Mount on the Nautilus
™
T618 Treadmill.
If you need assistance, please call Nautilus Customer Service at 1-800-605-3369.
1. Unplug the power cord from the machine and wait 5 minutes. Place the
power cord in a secure location.
2. Using a #2 Phillips screwdriver remove the 4 indicated screws and two
additional screws from the Motor Cover. Lift and remove the Motor Cover.
3. Be sure to observe the distance from the Speed Sensor to the Drive
Pulley. This distance affects the performance of the Speed Sensor, and
can easily be shifted accidentally during replacement procedures.
4. Using a #2 Phillips screwdriver, disconnect the Motor Ground Wire from
the Frame.
5.Usinga6mmhexwrench,loosentheindicatedscrewsontheMotor
Mount.
6. Using a 13mm Open Ended Wrench, rotate the Belt Tensioner Screw
enough to loosen the Drive Belt.
Note: To assist with reassembly, be sure to record the number of threads
exposedbeforeloosening.
7.Usinga6mmhexwrench,removetheindicatedscrewsfromtheMotor
Mount.RemovetheDriveBeltandrotatetheMotorAssemblyexposing
the Motor Mount.
!
To reduce the risk of electrical shock or unsupervised usage of the equipment, always unplug the power cord from the
wall outlet and wait 5 minutes before cleaning, maintaining or repairing this machine. Place the power cord in a secure
location.
Motor Cover
Belt Tensioner Screw
Drive Belt
Motor
Mount
Speed
Sensor
Drive Pulley
Motor
Motor Mount
Motor Ground
Wire

Nautilus T618 Specifications

General

Foldable	Yes
Bluetooth Connectivity	Yes
Cooling Fan	Yes
Running Surface	20" x 60"
Incline Range	0% to 15%
Speed Range	0 to 12 MPH
Display	LCD
Programs	26
Heart Rate Monitoring	Yes
Weight Capacity	350 lbs
Audio	Yes
Dimensions	57.6" H