Important Safety Instructions and General Troubleshooting
Information for the Nautilus
NOTICE: This document provides important safety instructions, adjustments, and general troubleshooting information for the maintenance of the Nautilus® U624 and
U626 Upright Bikes.
If you need assistance, please contact your local distributor. To find your local distributor, go to: www.nautilusinternational.com
®
U624/U626 Bikes
Service Procedures
8008329.040115.A
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand all Warnings
on this machine.
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand all
Warnings on this machine.
Before servicing or using this equipment, obey the following warnings:
Read and understand the Service Manual before working on the machine. Failure to obey the instructions and safety warnings could
cause injury to the service technician or bystanders.
• Keep bystanders and children away from the product being serviced at all times.
• Make sure that the repair is done in an appropriate work space away from foot trafc and exposure to bystanders.
• Some components of the equipment can be heavy or awkward. Enlist the service of a second person when you do maintenance steps involving
these components. Do not try to do heavy or awkward steps on your own.
• If replacement parts are necessary, use only genuine replacement parts and hardware supplied by Nautilus. Failure to use genuine replacement
parts can cause a risk to users, keep the machine from operating correctly and void the warranty.
• Be sure that all warning stickers and instructional placards applied to the product stay present and in good condition when doing maintenance or
replacing components. If necessary, request replacement warning stickers or placards from your local distributor.
• Do not try to change the design or functionality of the machine being serviced as this can adversely affect user safety.
• Do not put the machine back in service until all shrouds, instructions, warning labels and correct functionality have been veried and tested for
correct performance.
• This product contains magnets. Magnetic elds can interfere with the normal use of certain medical devices at a close range. Users may come
into proximity of the magnets in the assembly, maintenance, and/or use of the product. Given the obvious importance of these devices, such as
a pacemaker, it is important that you consult with your medical provider in connection with the use of this equipment. Please consult the “Safety
Warning Labels and Serial Number” section to determine the location of the magnets on this product.
2
Safety Warning Labels and Serial Numbers
REVISIONS
ECO
REVISION
REV DESCRIPTION
ARELEASE TO PRODUCTION
001060LSEVIER
58mm
30mm
REVISIONS
ECO
REVISION
REV DESCRIPTION
ARELEASE TO PRODUCTION
001060LSEVIER
58mm
30mm
Serial number
Reading the Product Specification Decal
The Manufacture Date on the Product Specication Decal is a date code: YY/WW (year/week).
Product
specification
Manufacture Date Code:
ISO
20957
compliant
Brand: NAUTILUS Model: U624
Electrical Rating: 9V DC, 1.5A
Accuracy Class: C
Usage Class: H / Consumer use only.
Maximum User Weight: 136kg (300lb)
Equipment Type: Fitness
Made in: China
Patent: www.nautilusinc.com/IP
YYWW
Specifications
Maximum User Weight: 136 kg (300 lb)
Total Surface Area (footprint) of equipment: 5720 cm2 (902.9 in2)
Machine Weight: U624: 30.9 kg (68.1 lb)
U626: 31.1 kg (68.6 lb)
Power Requirements:
Operational Voltage: 9 VDC
Operating Current: 1.5A
AC Power Adapter: 220V - 240V AC, 50Hz
Complies with the following:
ISO 20957 compliant.
Connectivity:
U626 only:
Nautilus, Inc.
18225 NE Riverside Parkway,
Portland, Or. 97230
www.nautilusinternational.com
Phone:1-800-NAUTILUS
8004288_A
Manufacture Date Code:
Brand: NAUTILUS Model: U626
Electrical Rating: 9V DC, 1.5A
Accuracy Class: C
Usage Class: H /Consumer use only.
Max User Weight:136kg (300lb)
Equipment Type: Fitness
Made in: China
Patent: www.nautilusinc.com/IP
104cm (41.8”)
ISO
20957
compliant
YYWW
Nautilus, Inc.
18225 NE Riverside Pkwy,
Portland, Or. 97230
www.nautilusinternational.com
Phone:1-800-NAUTILUS
®
146cm (57.6”)
55cm (21.6”)
8004287_A
DO NOT dispose of this product as refuse. This product is to be recycled. For proper disposal of this product,
please follow the prescribed methods at an approved waste center.
3
Maintenance
WARNING
DANGER
Read all maintenance instructions fully before you start any repair work. In some conditions, an assistant is necessary to
do the necessary tasks.
Equipment must be regularly examined for damage and repairs. The owner is responsible to make sure that regular
!
maintenance is done. Worn, damaged or loose components must be repaired or replaced immediately. Only
manufacturer supplied components can be used to maintain and repair the equipment.
If at any time the Warning labels become loose, unreadable or dislodged, contact from your local distributor for
replacement labels.
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.
When disposing of old parts, obey the applicable local and provincial requirements.
!
Daily:
Weekly:
Monthly
or after 20 hours:
NOTICE: Do not clean with a petroleum based solvent or an automotive cleaner. Be sure to keep the Console free
Before each use, examine the exercise machine for loose, broken, damaged, or worn parts.
Do not use if found in this condition. Repair or replace all parts at the first sign of wear or damage.
After each workout, use a damp cloth to wipe your machine and Console free of moisture.
Note: Avoid excessive moisture on the Console.
Clean the machine to remove any dust, dirt, or grime from the surfaces. Check for smooth seat
slider operation. If needed, apply a very thin coating of silicone lube to ease operation.
Note: Do not use petroleum based products.
Check pedals and crank arms and tighten as necessary. Make sure all bolts and screws are tight.
Tighten as necessary.
of moisture.
4
Leveling Your Bike
Levelers are found on each side of the Rear Stabilizer. Turn the stabilizer foot to adjust. Make sure the bike is level
and stable before you exercise.
Moving the Bike
To move the upright bike, carefully tilt the Handlebars toward you while pushing the front of the bike downward. Push the
bike to the desired location.
NOTICE: Be careful when you move the bike. Abrupt motions can affect the computer operation.
5
Troubleshooting
Condition/ProblemThings to CheckSolution
No display/partial display/
unit will not turn on
Unit operates but Contact
HR not displayed
Unit operates but
Telemetric HR not
displayed (U626 only)
Unit operates but
Telemetric HR displayed
incorrectly (U626 only)
No speed/RPM reading,
Console displays “Please
Pedal” error code
Check electrical (wall)
outlet
Check connection on
console
Check data cable integrityAll wires in cable should be intact. If any are visibly crimped or
Check data cable
connections/orientation
Check console display for
damage
Console DisplayIf Console only has partial display and all connections are ne,
HR cable connection at
Console
Sensor gripBe sure hands are centered on HR sensors. Hands must be
Dry or calloused handsSensors may have difculty with dried out or calloused hands.
HandlebarIf tests reveal no other issues, Handlebars should be replaced.
Chest Strap (optional)Strap should be “POLAR®” compatible and uncoded. Make
Check User ProleSelect the Edit User Prole option for the User Prole. Go to
InterferenceTry moving unit away from sources of interference (TV, Micro-
Replace Chest StrapIf interference is eliminated and HR does not function, replace
Replace ConsoleIf HR still does not function, replace Console.
InterferenceMake sure that the HR receiver is not blocked by a personal
Check data cable integrityAll wires in cable should be intact. If any are cut or crimped,
Check data cable
connections/orientation
Check magnet position
(requires shroud removal)
Check Speed Sensor
(requires shroud removal)
Make sure unit is plugged into a functioning wall outlet.
Connection should be secure and undamaged. Replace
adapter or connection at unit if either are damaged.
cut, replace cable.
Be sure cable is connected securely and oriented properly.
Small latch on connector should line up and snap into place.
Check for visual sign that console display is cracked or otherwise damaged. Replace Console if damaged.
replace the Console.
If the above steps do not resolve the problem, contact your
local distributor for further assistance.
Be sure cable is connected securely to Console.
kept still with relatively equal pressure applied to each side.
A conductive electrode cream (heart rate cream) can help
make better conduct. These are available on the web or at
medical or some larger tness stores.
sure strap is directly against skin and contact area is wet.
the WIRELESS HR setting and make sure that the current
value is set to ON.
wave, etc).
strap.
electronic device in the left side of the media tray.
replace cable.
Be sure cable is connected securely and oriented properly.
Small latch on connector should line up and snap into place.
Magnet should be in place on pulley.
Speed sensor should be aligned with magnet and connected to
data cable. Realign sensor if necessary. Replace if there is any
damage to the sensor or the connecting wire.
6
Condition/ProblemThings to CheckSolution
Console shuts off (enters
sleep mode) while in use
Check electrical (wall)
outlet
Check connection on
console
Make sure unit is plugged into a functioning wall outlet.
Connection should be secure and undamaged. Replace
adapter or connection at unit if either are damaged.
Check data cable integrityAll wires in the cable should be intact. If any are cut or crimped,
replace cable.
Check data cable
connections/orientation
Be sure cable is connected securely and oriented properly.
Small latch on connector should line up and snap into place.
Reset MachineUnplug unit from electrical outlet for 3 minutes. Reconnect to
outlet.
Check magnet position
Magnet should be in place on pulley.
(requires shroud removal)
Check Speed Sensor
(requires shroud removal)
Speed sensor should be aligned with magnet and connected to
data cable. Realign sensor if necessary. Replace if there is any
damage to the sensor or the connecting wire.
Unit rocks/does not sit
Check leveler adjustmentAdjust levelers until bike is level.
level
Check surface under unitAdjustment may not be able to compensate for extremely un-
even surfaces. Move bike to level area.
Pedals loose/unit difcult
to pedal
Clicking sound when
pedaling
Check pedal to crank arm
connection
Check crank arm to axle
connection
Check pedal to crank arm
connection
Pedal should be tightened securely to crank. Insure connection
is not cross-threaded.
Crank should be tightened securely to axle. Be sure cranks are
connected at 180 degrees from each other.
Remove pedals. Make sure there is no debris on threads, and
reinstall the pedals.
Seat post movementCheck locking pinBe sure adjustment pin is locked into one of the seat post
adjustment holes.
Check adjustment knobBe sure knob is securely tightened.
7
Console Service Mode – x624 / x626 series (MY14) Consoles
The Console Setup Mode lets you input the date and time, set the units of measurement to either English or Metric, change
the machine type, control the sound settings ( on/ off), or see maintenance statistics (Total Run Hours – for service technician
use only).
1. Hold down the PAUSE/END button and Right button together for 3 seconds while in the Power-Up Mode to go into the
Console Setup Mode.
Note: Push PAUSE/END to exit the Console Setup Mode and return to the Power-Up Mode screen.
2. The Console display shows the Date prompt with the current setting. To change, push the Increase/Decrease buttons to
adjust the currently active value (flashing). Push the Left/Right buttons to change which segment is the currently active
value (month / day / year).
3. Push OK to set.
4. The Console display shows the Time prompt with the current setting. Push the Increase/Decrease buttons to adjust the
currently active value (flashing). Push the Left/Right buttons to change which segment is the currently active value (hour /
minute / AM or PM).
5. Push OK to set.
6. The Console display shows the Units prompt with the current setting. To change, push OK to start the Units option. Push
the Increase/Decrease buttons to change between “MILES” (Imperial English units) and “KM” (metric units).
Note: If the units change when there is data in User Statistics, the statistics convert to the new units.
7. Push OK to set.
8. The Console display shows the Machine Type prompt with the current setting. This menu option appears in the x624
series console only (not the x626 series consoles). Push the Increase/Decrease buttons to change between “BIKE” and
Elliptical (“ELIP”).
9. Push OK to set.
10. The Console display shows the Sound Settings prompt with the current setting. Push the Increase/Decrease buttons to
change between “ON” and “OFF”.
11. Push OK to set.
12. The Console display shows the TOTAL RUN HOURS for the machine.
To go to the next Console Setup Mode prompt, push the OK button.
To enter the Manufacturing Menu (MFG Menu), hold down the PAUSE/END button and Down button together for 3
seconds. The Console display shows the Firmware Version string. Push the Up/Down buttons to move through the MFG
Menu options. Push OK to make a selection.
a. ENTER MFG TEST – This option is intended for use on the manufacturing production line only. It is a chained series
of tests similar to the tests listed below, but optimized to be run on the production line. This chained test should not
be used anywhere but on the production line.
b. DEBUG TERMINAL – Not used.
c. MOVE LIFT – (E626 elliptical only) Used to adjust a new lift motor. The Console displays “UP MX DN MN RT CAL”: Up
arrow will move the lift motor to the maximum position; Down arrow will move the lift motor to the minimum position;
Right arrow will perform a lift motor calibration by moving the lift motor to its minimum and maximum position. Note:
Lift motor calibration is no longer required, so calibration is not needed.
d. RESET MFG NVM – Resets MFG NVM (non volatile memory). Must be run before lift motor calibration if a valid lift
table exists in NVM (lift motor has been calibrated before).
e. RUN BEEP TEST – Sounds each system beep / tone / sequence in order. Press any key to exit
f. RUN BUTTON TEST – The Console display shows the function of each button as buttons are pressed. If the display
shows an incorrect function, the overlay on the Console may be incorrect for that model. If the display does not show
a function, the firmware version may be incorrect. No beeps are sounded during this test.
To exit the test, push and hold one of the long key sequences (i.e. long Pause / End + Right or long Pause / End +
Down).
g. RUN LED TEST – Drives LEDs to the following states:
1. All LEDs On 1 second
8
2. All LEDs Off 1 second
3. Sequence Segments 1 at a time – on 1 second, off 1 second
Press any key to exit test
h. RUN LCD TEST – Drives 3x5 and 1x5 LCD displays with the following patterns:
1. All segments on
2. All segments off
3. Set individual segments one at a time until all segments are illuminated.
Press any key to exit.
i. RESET CONSOLE – Resets the data from user inputs. The Console setup, user records and workout records will be
reset to defaults. This option does not reset MFG NVM (non volatile memory).
13. The Console display shows the Software Version prompt.
14. For the next prompt, push the OK button.
15 . The Console will display the Power-Up Mode screen.
9
Maintenance Parts Exploded View
Your machine may differ. Use only as a guide.
U624
A
A
J
L
C
FF
G
J
K
DD
EE
M
R
B
I
U
P
H
N
O
BB
J
D
S
T
E
AA
W
CC
Y
D
Z
X
C
Q
V
F
FF
AConsoleLHR CableWFlywheel
BConsole MastMCHR SensorsXBrake Assembly
CPedalsNSeatYRPM Sensor
DCrank ArmsOSeat Post w/ SliderZSpeed Sensor Magnet
ELeft ShroudPAdjustment KnobAAServo Motor
FPower InletQAC AdapterBBDrive Belt
GRight ShroudRWater Bottle HolderCCDrive Pulley
HTop ShroudSRear StabilizerDDHandlebar Mount Cover
IMast GasketTLevelersEET-handle
JData CableUFront StabilizerFFCover, Crank Disc
KHandlebarsVTransport Wheels
10
U626
A
A
J
L
C
FF
G
J
K
DD
EE
M
R
B
I
U
P
H
D
N
Z
Y
O
J
S
T
E
AA
W
CC
D
X
BB
FF
Q
V
F
C
AConsoleLHR CableWFlywheel
BConsole MastMCHR SensorsXBrake Assembly
CPedalsNSeatYRPM Sensor
DCrank ArmsOSeat Post w/ SliderZSpeed Sensor Magnet
ELeft ShroudPAdjustment KnobAAServo Motor
FPower InletQAC AdapterBBDrive Belt
GRight ShroudRWater Bottle HolderCCDrive Pulley
HTop ShroudSRear StabilizerDDHandlebar Mount Cover
IMast GasketTLevelersEET-handle
JData CableUFront StabilizerFFCover, Crank Disc
KHandlebarsVTransport Wheels
11
REPLACEMENT PROCEDURE SKILL LEVEL
WARNING
DANGER
Level I : Low - very little mechanical knowledge or exposure.
Level II : Intermediate - some experience with mechanical procedures
Level III : Advanced - knowledgeable about mechanical procedures
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.
When disposing of old parts, obey the applicable local and provincial requirements.
!
For instructions to replace the following parts, please refer to the Assembly Manual for your bike:
• AC Adapter
• Seat
• Seat Post
• Front Stabilizer
• Rear Stabilizer
• Water Bottle Holder
12
Adjust the Belt Tension on the Nautilus® U624/U626 and
WARNING
DANGER
R624/R626 (Model Year 2014) Bikes
NOTICE: This document provides instructions for the adjustment of the Drive Belt tension on the Nautilus® U624 and U626 Upright Bikes, and
R624 and R626 Recumbent Bikes.
If you need assistance, please contact your local distributor. To find your local distributor, go to: www.nautilusinternational.com
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand all Warnings
on this machine.
Important Safety Instructions - Before servicing or using this equipment, obey the following warnings:
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand all Warnings on
this machine.
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.
• Read and understand the Part Replacement Procedure before working on the machine. Failure to obey the instructions and safety warnings
could cause injury to the service technician or bystanders.
• Keep bystanders and children away from the product being serviced at all times.
• Make sure that the repair is done in an appropriate work space away from foot trafc and exposure to bystanders.
• Some components of the equipment can be heavy or awkward. Enlist the service of a second person when you do maintenance steps
involving these components. Do not try to do heavy or awkward steps on your own.
• If replacement parts are necessary, use only genuine Nautilus replacement parts and hardware. Failure to use genuine replacement parts
can cause a risk to users, keep the machine from operating correctly and void the warranty.
• Be sure that all warning stickers and instructional placards applied to the product stay present and in good condition when doing
maintenance or replacing components. If necessary request replacement warning stickers or placards from from your local distributor.
• Do not try to change the design or functionality of the machine being serviced as this can adversely affect user safety.
• Do not use the machine until all shrouds, instructions, warning labels and correct functionality have been verified and tested for correct
performance.
• This product contains magnets. Magnetic elds can interfere with the normal use of certain medical devices at a close range. Users may
come into proximity of the magnets in the assembly, maintenance, and/or use of the product. Given the obvious importance of these devices,
such as a pacemaker, it is important that you consult with your medical provider in connection with the use of this equipment. Please consult
the “Safety Warning Labels and Serial Number” section in the Owner’s Manual to determine the location of the magnets on this product.
Tools Required (not included)
#2 Phillips screwdriver 15mm open end wrench
Small athead screwdriver 15mm socket and wrench
Pedal wrench (U624/R624)
or crank puller (U626/R626)
13
NOTICE: It is necessary to remove the Shrouds for this procedure. Refer to the “Replace the Shrouds” procedure.
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.
Note: Your machine may not match the image. For reference only.
1. Remove the Top Shroud, Left Shroud and Right Shroud from the
Main Unit. Refer to the “Replace the Shrouds” procedure.
2. To test the Drive Belt tension:
• Push the Drive Belt downward at the midpoint (M) between the
pulleys and measure the distance. The Drive Belt should have
only 0.25” (0.64 cm) of give. See Figure 1.
Or:
• Hold the edges of the Drive Belt at the midpoint (M) and twist it
(see Figure 2). It should turn only 90 degrees
(1/4 turn, to vertical).
If the tension is correct, go to Step 6.
If the tension is too loose or too tight, adjust the position of the
Flywheel. Continue to Step 3.
3. To loosen the Flywheel hardware (A), use a 15 mm open end
wrench to hold the nut on one side steady and loosen the nut on the
opposite side with a 15 mm socket and wrench.
Figure 1
0.64 cm
0.25”
}
M
A
4. Move the Flywheel in the Main Frame bracket as necessary to
adjust the tension. Hold it in position and tighten the hardware.
Note: This step may require two people.
To tighten the Flywheel hardware, use a 15 mm open end
wrench to hold the nut on one side steady and tighten the nut on
the opposite side with a 15 mm socket and wrench.
5. Carefully turn the crank arms and check the movement of the drive
belt. The Crank Arms and Flywheel should move as one.
Be sure to keep ngers clear of all pinch hazards when you turn
!
the Drive Pulley.
Adjust the belt tension again if necessary.
M
(Main Frame bracket not shown for clarity)
Figure 2
14
6. Reassembly is the reverse procedure.
NOTICE: Be sure not to crimp any cables.
U624/R624 bikes—To reinstall the Pedals, carefully align the threads
and hand tighten to prevent cross-threading. Then tighten fully with pedal
wrench.
Note:The Left Pedal is reverse-threaded. Orientation is based
from a seated position on the bike. The Left Pedal has an “L”,
the Right Pedal an “R”.
16. Final Inspection
Inspect your machine to ensure that all hardware is tight and components
are properly assembled.
Do not use until the machine has been fully assembled and
!
inspected for correct performance in accordance with the Owner’s
Manual.
15
Set the Brake Tension (Calibration)
WARNING
DANGER
®
on the Nautilus
NOTICE: This document provides instructions for the calibration of the Brake tension on the Nautilus® U624 and U626 Upright Bikes.
If you need assistance, please contact your local distributor. To find your local distributor, go to: www.nautilusinternational.com
U624/U626 (Model Year 2014) Bikes
Replacement Procedure
Skill Level: III
8008331.040115.A
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand all Warnings
on this machine.
Important Safety Instructions - Before servicing or using this equipment, obey the following warnings:
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand all Warnings on
this machine.
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.
• Read and understand the Part Replacement Procedure before working on the machine. Failure to obey the instructions and safety warnings could cause
injury to the service technician or bystanders.
• Keep bystanders and children away from the product being serviced at all times.
• Make sure that the repair is done in an appropriate work space away from foot trafc and exposure to bystanders.
• Some components of the equipment can be heavy or awkward. Enlist the service of a second person when you do maintenance steps involving these
components. Do not try to do heavy or awkward steps on your own.
• If replacement parts are necessary, use only genuine replacement parts and hardware supplied by Nautilus. Failure to use genuine replacement parts can
cause a risk to users, keep the machine from operating correctly and void the warranty.
• Be sure that all warning stickers and instructional placards applied to the product stay present and in good condition when doing maintenance or replacing
components. If necessary request replacement warning stickers or placards from from your local distributor.
• Do not try to change the design or functionality of the machine being serviced as this can adversely affect user safety.
• Do not use the machine until all shrouds, instructions, warning labels and correct functionality have been verified and tested for correct performance.
• This product contains magnets. Magnetic elds can interfere with the normal use of certain medical devices at a close range. Users may come into
proximity of the magnets in the assembly, maintenance, and/or use of the product. Given the obvious importance of these devices, such as a pacemaker, it
is important that you consult with your medical provider in connection with the use of this equipment. Please consult the “Safety Warning Labels and Serial
Number” section in the Owner’s Manual to determine the location of the magnets on this product.
Tools Required (not included)
#2 Phillips screwdriver 7mm open end wrench
Small athead screwdriver
Pedal wrench (U624)
or crank puller (U626)
2.5” x 10” cardboard (3mm / 1/8” thick)
and tape
16
NOTICE: It is necessary to remove the shrouds for this procedure. Refer to the “Replace the Shrouds” procedure.
Note: Your machine may not match the image. For reference only.
1. Disconnect and reconnect the AC Adapter from the wall outlet to turn
the power off and on.
2. Push QuickStart and verify that the console shows that the default
resistance level is 4.
Disconnect all power and allow to sit for 5 minutes.
3. Carefully remove the Seat Post, Left Shroud and Right Shroud.
(Refer to the “Replace the Shrouds” procedure.) Do not remove the
Console and Mast, and keep the Power Inlet cable (P) in the Shroud
connected to the wiring harness on the motor (D). Slide the Mast Gasket
and Top Shroud up the Mast. Lean the Top Shroud against the Seat Post
mount to keep it clear of the pulley assembly.
Note: It may be necessary to remove the Water Bottle Holder.
4. Insert 2.5” x 10” cardboard between the Brake Magnet (A) and the
Flywheel (B), and tape the cardboard to the Brake Magnet.
Note: Be sure the cardboard covers all of the Brake Magnet.
5. Turn the power on again.
Machine is on. Current is active. There is risk of electrical shock.
6. Use the console to set the resistance to the highest level. This moves
the Brake Magnet Arm (A1) forward. After the Brake Magnet Arm stops at
the highest resistance level, turn power off.
Disconnect all power and allow to sit for 5 minutes.
D
B
A1
A
P
17
7. To adjust the Brake tension, loosen the 2 hex head bolts (C) and
move the Servo Motor assembly (D) until the closest point on the Brake
Magnet (A) is within 3.0 mm (1/8”) of the Flywheel (B). Tighten the bolts.
Note: If the cardboard is not 3mm (1/8”) thick, you can use
the pages of a paperback book to measure the gap.
Approximately 36 pages (sheets) = 3mm.
8. Turn the power on again. Use the console to check the resistance
adjustment.
Machine is on. Current is active. There is risk of electrical shock.
Note: Before fully attaching the Shrouds, remove the cardboard
from between the Brake Magnet (A) and the Flywheel (B).
Power up the machine to verify that the Magnet Arm can
move freely, and that the Brake Magnet and Flywheel do not
touch.
9.Final Inspection
Inspect your machine to ensure that all hardware is tight and components
are properly assembled.
C
A
B
D
Do not use until the machine has been fully assembled and
inspected for correct performance in accordance with the
Owner’s Manual.
18
Replace the Console on the Nautilus®
WARNING
DANGER
U624/U626 and R624/R626 (Model Year 2014) Bikes
NOTICE: This document provides instructions for the replacement of the Console on the Nautilus® U624 and U626 Upright Bikes, and R624 and R626 Recumbent Bikes.
If you need assistance, please contact your local distributor. To find your local distributor, go to: www.nautilusinternational.com
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand all Warnings
on this machine.
Important Safety Instructions - Before servicing or using this equipment, obey the following warnings:
This icon means a potentially hazardous situation which, if not avoided, could result in death or serious injury. Read and understand all Warnings on
this machine.
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.
• Read and understand the Part Replacement Procedure before working on the machine. Failure to obey the instructions and safety warnings
could cause injury to the service technician or bystanders.
• Keep bystanders and children away from the product being serviced at all times.
• Make sure that the repair is done in an appropriate work space away from foot trafc and exposure to bystanders.
• Some components of the equipment can be heavy or awkward. Enlist the service of a second person when you do maintenance steps
involving these components. Do not try to do heavy or awkward steps on your own.
• If replacement parts are necessary, use only genuine Nautilus replacement parts and hardware. Failure to use genuine replacement parts
can cause a risk to users, keep the machine from operating correctly and void the warranty.
• Be sure that all warning stickers and instructional placards applied to the product stay present and in good condition when doing
maintenance or replacing components. If necessary request replacement warning stickers or placards from from your local distributor.
• Do not try to change the design or functionality of the machine being serviced as this can adversely affect user safety.
• Do not use the machine until all shrouds, instructions, warning labels and correct functionality have been verified and tested for correct
performance.
• This product contains magnets. Magnetic elds can interfere with the normal use of certain medical devices at a close range. Users may
come into proximity of the magnets in the assembly, maintenance, and/or use of the product. Given the obvious importance of these devices,
such as a pacemaker, it is important that you consult with your medical provider in connection with the use of this equipment. Please consult
the “Safety Warning Labels and Serial Number” section in the Owner’s Manual to determine the location of the magnets on this product..
Tools Required (not included)
#2 Phillips screwdriver
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