Schwinn 4IIII Manual

INSTALL
MANUAL
CORE HEALTH & FITNESS
4IIII POWERMETER

Page 1
1. Use a small phillips screwdriver to remove the
screw securing the battery cover, remove the
battery cover, then install the batteries. Once
the batteries are installed, replace the cover
and screw.
Fig. 1
2. Ensure that the rider’s right crank arm is at
the 6 o’clock position then push the crank
onto the bottom bracket at the 12 o’clock
position. Finally, using a torque wrench with
an 8mm allen socket attached, torque the
crank bolt to 40-44 ft-lb (55-60 Nm).
Fig. 2
3. Install the pedal into the crank arm then use
a torque wrench and a 8mm allen socket
to torque to the pedal bolt according to the
specifications below:
Threaded Pedal: 25-30 ft-lb (34-40 Nm)
Morse Taper Pedal: 33 -37 ft-lb (45-50 Nm)
NOTE: The pedal MUST be torqued to the above
specifications otherwise a failure of the pedal may
occur.
Fig. 3

Page 2
4. Ensure that the 4iiii crank is up to date. To do
this, check that Bluetooth is enabled on the
phone then follow the proceeding directions.
Fig. 4
5. Download the 4iiii app from the appropriate
app store BUT DO NOT CREATE A LOGIN.
Android
Fig. 5
iOS
Fig. 6

Page 3
6. Record the ANT+ ID of the powermeter that
needs to be updated.
NOTE: The ANT+ ID is a 4 OR 5 digit number
located on the underside of the 4iiii sensor. If the
number is 4 digits, the first number of the ANT+
ID is zero (0).
Fig. 7
7. Open the 4iiii app and initiate a crank arm
scan by tapping on the icon in the lower left
corner.
Fig. 8

Page 4
8. Spin the 4iiii crank arm of the target bike >30
RPM; the 2-5 digit ANT+ ID should show up
on the “Bluetooth Scan” screen.
9. Tap on the checkmark to select the crank arm
then tap on “Connect”.
Fig. 9
10. After connecting to the crank arm, open the
settings menu.
Fig. 10

Page 5
11. On the “Device Settings” screen, select
“Update Features” if available.
Fig. 11
12. On the Echelon2G console, press and hold
STAGE and “AVG/MAX” for 3-5 seconds
to access the service menu.
13. Use AVG/MAX to scroll until SENSOR TYPE
is displayed then push the back-light button
to access the sensor menu. Ensure that
“4iiii” is displayed as the sensor type.
14. If the sensor type is set to “Echelon 2” press
the back-light button to select the sensor
type, use the AVG/MAX button to select “4iiii”
then press the back-light button again.

Page 6
15. Once “4iiii” is selected the console will enter
the pairing process, check the side of the
power sensor for a 4 OR* 5-digit ANT+ ID
code. Enter this code on the “ENTER ANT
ID” screen using AVG/MAX to scroll and the
back-light to enter the ANT+ ID.
Fig. 12 Fig. 13
Please note that the ANT+ ID referenced
in Step 4 could be either a 4-digit OR 5-digit
number.
If the 4-digit code is present, the first number
of the ANT+ ID Code is zero (0).
16. Once the ANT+ ID has been entered, pedal
the bike, then select “PAIRING SPIN CRANK”
but pushing the back-light button . If
pairing does not pass, check to ensure the
ANT+ ID is correct and try the pairing process
again. It may take 2-3 attempts to pair
successfully.
17. After successfully pairing the 4iiii crank, the
power sensor must be calibrated BEFORE
riding the bike. Press and hold STAGE
and AVG/MAX for 3-5 seconds to access
the service menu then use AVG/MAX to
scroll until “CALIBRATE” is displayed
then select it using the back-light button
. “ZERO RESET” will be displayed,
press the back-light button to select it.
Once “SPINCRANK” is displayed, spin the
crank and press the back-light button
to proceed. Ensure that the left crank arm
is in the 6 o’clock position then follow the
on-screen directions to finish calibrating the
sensor.

© 2021 CORE HEALTH & FITNESS LLC PART NUMBER 620-8543, REV L
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