Schwinn S.C. 5 Manuale utente
SERVICE
MANUAL
Schwinn® S.C. 5
Core Health & Fitness
Page 2
PRODUCT SPOTLIGHT ............................................................................................................................................. 3
OTHER MANUALS ............................................................................................................................................. 4
ACCESSORIES ............................................................................................................................................. 5
Cranks & Pedals .......................................................................................... 5
REPLACEMENT PROCEDURES ............................................................................................................................................. 6
Shroud Removal .......................................................................................... 6
Belt Tension .......................................................................................... 7
Belt Replacement .......................................................................................... 8
Pairing & Calibrating the 4iiii Crank ........................................................................................18
Bottom Bracket Replacement ........................................................................................19
TROUBLESHOOTING ........................................................................................................................................... 23
Power & Mechanical Issues ........................................................................................23
Console & 4iiii ........................................................................................23
TABLE OF CONTENTS
Click any text to jump to section
Page 3
9-7410
S.C.™ 5
Overall Weight Width Length Height User Weight
134 lbs (61 kg) 21” (53 cm) 55” (140 cm) 47” (119 cm) 0-350 lbs (0-159 kgs)
Product Conformity
• EN957-1 (S,H)
• EN957-10 (S,H)
• ASTM F1250-13
• ASTM F2276-10
All products may be covered by US and Foreign Patents and Patents Pending.
PRODUCT SPOTLIGHT
Page 4
Click the links below to load the related complete manuals from our support website.
Safety warnings and warranty information specic to each unit are located in their respective own-
er’s manuals.
Manuals Install Owner’s
AC Performance (100175)
AC Performance (9-7320)
AC Performance Plus
AC Sport
SC5
SC7
SC Power
IC Classic
AC Power
Related Installation Manuals
• MYE PVS Brackets Installation
Consoles
For troubleshooting regarding the consoles available for this bike, chose from one of the service
manuals below:
Manuals Install Service
MPower Echelon2G Console
MPower Echelon2 Console
Cadence Pro
OTHER MANUALS
Page 5
Standard Schwinn pedals have threaded shafts that connect to the crank arms. The right pedal is
right-hand threaded while the left pedal is reverse threaded, meaning you turn to the left to tight-
en and right to loosen. For pictures of all dierent Schwinn pedals, see document 637-4501 on our
support site. For a comprehensive list of accessories for Schwinn, see document 637-8608.
Cranks & Pedals SKU
Power 4iiii 718-5765
KEO
DELTA
MPower 740-8941
Pedals Standard Double Link 740-9020
Triple Link MT LOOK Delta-compatible 740-8689
Triple Link MT LOOK Keo-compatible 718-5869
ACCESSORIES
Page 6
Shroud Removal
REPLACEMENT PROCEDURES
1. Remove the rubber chainguard cap.
2. Remove the screws from the user right chainguard (inset).
3. Use a Phillips screw driver and 5mm hex key to remove the
screws securing the user left Chainguard to the bike.
4. Rotate the chainguard downward to remove
Page 7
Belt Tension
1. Remove the rubber chainguard cap from the right hand
shroud.
2. Remove the rubber cap from the user left side.
3. Use a 19mm socket to loosen the axle bolts on both sides
of the ywheel.
4. Use a small crescent wrench to loosen the tension screw
lock nuts on both sides of the ywheel.
5. Use a 3mm allen key to adjust the left and right tension-
screws by turning clockwise to tighten and counter-clock-
wise to loosen. Be sure to adjust the bolts evenly so that
the ywheel is not angled between the forks.
6. Fine adjustment to the belt tension can be done using a
13mm open-ended wrench to loosen or tighten the ten-
sioner spring on the idler arm.
7. Check belt tension using a sonic tension meter in the cen-
ter of the belt span. The belt should measure ~84 Hz.
8. If you do not have a sonic tension meter, you can use a
tensioning app to measure the frequency.
NOTE: App settings are provided for convenience. Core
does not support third-party apps.
9. Once proper tension has been achieved, re-tighten the
tension screw lock nuts.
Page 8
Belt Replacement
1. Remove the rubber chainguard cap.
2. Remove the screws from the user right chainguard (inset).
3. Use a Phillips screw driver and 5mm hex key to remove the
screws securing the user left Chainguard to the bike.
4. Rotate the chainguard downward to remove
5. Remove the rubber cap from the user left side.
6. Use a 19mm socket to remove the axle bolts and axle spac-
ers on both sides of the ywheel.
NOTE: The axle spacers are left-right specic.
7. BEFORE REMOVING TENSION SCREWS: Make note of the
thread count so the screws can be reinstalled into the same
position.
8. Use a small crescent wrench to loosen the tension screw
lock nuts on both sides of the ywheel.
9. Use a 3mm allen key to remove the left and right tension
screws.
Page 9
10. Use a 13mm open-ended wrench to loosen the belt idler
tension spring.
11. Use a 3mm allen key to remove the screw connecting the
idler to the tensioner arm.
12. Carefully walk the belt o of the tensioner pulley then walk
the belt o of the crank pulley.
13. Rotate the ywheel back and down to the remove the
ywheel from the frame.
NOTE: Take care as the ywheel is heavy.
Page 10
14. Use a 3mm allen key and a 13mm open-ended wrench to
remove the two (2) screws and nuts connecting the cross
brace to the front right fork. Repeat this step for the other
side.
15. Push the front of the cross brace away from right front fork
to create a gap then slide the old belt through the gap.
Slide the new belt through this same gap then follow the
directions in reverse to install the new belt.
16. BEFORE TIGHTENING THE AXLE BOLTS: Use a 3mm allen
key to adjust the left and right tensionscrews by turning
clockwise to tighten and counter-clockwise to loosen. Be
sure to adjust the bolts evenly so that the ywheel is not
angled between the forks.
17. Fine adjustment to the belt tension can be done using a
13mm open-endedwrench to loosen or tighten the ten-
sioner spring on the idler arm.
18. Check belt tension using a sonic tension meter in the cen-
ter of the belt span. The belt should measure ~84 Hz.
19. If you do not have a sonic tension meter, you can use a
tensioning app to measure the frequency.
NOTE: App settings are provided for convenience. Core
does not support third-party apps.
20. Once proper tension has been achieved, re-tighten the
tension screw lock nuts.
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