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Schwinn S.C. 5 Service Manual
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Schwinn S.C. 5 Service Manual

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Core Health & Fitness
Schwinn® S.C. 5
SERVICE
MANUAL

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Summary of Contents for Schwinn S.C. 5

  • Page 1 Core Health & Fitness Schwinn® S.C. 5 SERVICE MANUAL...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Click any text to jump to section PRODUCT SPOTLIGHT ............................. 3 OTHER MANUALS ............................. 4 ACCESSORIES ............................. 5 ..................5 Cranks & Pedals REPLACEMENT PROCEDURES ............................. 6 ..................6 Shroud Removal ..................7 Belt Tension ..................8 Belt Replacement Pairing &...
  • Page 3 PRODUCT SPOTLIGHT 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 •...
  • Page 4 OTHER MANUALS Click the links below to load the related complete manuals from our support website. Safety warnings and warranty information specific 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 SC Power...
  • Page 5 ACCESSORIES 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 different Schwinn pedals, see document...

  • Page 6: Replacement Procedures

    REPLACEMENT PROCEDURES Shroud Removal Remove the rubber chainguard cap. Remove the screws from the user right chainguard (inset). Use a Phillips screw driver and 5mm hex key to remove the screws securing the user left Chainguard to the bike. Rotate the chainguard downward to remove Page 6...

  • Page 7: Belt Tension

    Belt Tension Remove the rubber chainguard cap from the right hand shroud. Remove the rubber cap from the user left side. Use a 19mm socket to loosen the axle bolts on both sides of the flywheel. Use a small crescent wrench to loosen the tension screw lock nuts on both sides of the flywheel.

  • Page 8: Belt Replacement

    Belt Replacement Remove the rubber chainguard cap. Remove the screws from the user right chainguard (inset). Use a Phillips screw driver and 5mm hex key to remove the screws securing the user left Chainguard to the bike. Rotate the chainguard downward to remove Remove the rubber cap from the user left side.
  • Page 9 Use a 13mm open-ended wrench to loosen the belt idler tension spring. Use a 3mm allen key to remove the screw connecting the idler to the tensioner arm. Carefully walk the belt off of the tensioner pulley then walk the belt off of the crank pulley. Rotate the flywheel back and down to the remove the flywheel from the frame.
  • Page 10 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. Push the front of the cross brace away from right front fork to create a gap then slide the old belt through the gap.
  • Page 11 Pedal Replacement (Morse Taper) Use an 8mm allen key to remove the pedal bolt. NOTE: The crank arm and pedal are shown detached from the bike for clarity only, it is not necessary to remove the crank arm. Thread a crank puller tool with the smaller 11mm tip into the crank arm, then use the tool to push the pedal out of the crank arm.
  • Page 12 Adjusting Leveling Feet Ensure the bike is level by adjusting all four leveling feet. Turn the leveling foot clockwise to lower the bike and counter-clockwise to raise the bike. When leveled properly, the bike should not wobble or lean to any one side. Page 12...
  • Page 13 Crank Arm Replacement Remove the rubber chainguard cap. Remove the screws from the user right chainguard (inset). Use a Phillips screw driver and 5mm hex key to remove the screws securing the user left Chainguard to the bike. Rotate the chainguard downward to remove Use a 13mm open-ended wrench to loosen the belt idler tension spring.
  • Page 14 Walk the belt off of the crank arm. Use an 8mm allen key to remove the crank bolt Thread a crank puller tool with the smaller 11mm tip into the crank arm, then use the tool to pull the crank arm off the bottom bracket.
  • Page 15 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. Check belt tension using a sonic tension meter in the cen- ter of the belt span. The belt should measure ~84 Hz. If you do not have a sonic tension meter, you can use a tensioning app to measure the frequency.
  • Page 16 4iiii Crank Replacement Use an 8mm allen key to remove the crank bolt. Thread a crank puller tool with the larger 16.5mm tip into the crank arm, then use the tool to pull the crank arm off the bottom bracket. Ensure the opposite side crank arm is at the 12 o’clock position then push the new crank arm onto the bottom bracket at the 6 o’clock position.
  • Page 17 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.

  • Page 18: Pairing & Calibrating The 4Iiii Crank

    Pairing & Calibrating the 4iiii Crank Press and hold “STAGE” and “AVG/MAX” for 3-5 seconds to access the service menu. Use “AVG/MAX” to scroll until “SENSOR TYPE” is displayed then push the backlight button to access the sensor menu. Ensure that “4iiii” is displayed as the sensor type. If the sensor type is set to “Echelon 2”...

  • Page 19: Bottom Bracket Replacement

    Bottom Bracket Replacement Use a 35mm open-ended wrench to remove the bottom bracket retaining nut. Use a rubber mallet to tap the bottom bracket shaft and one of the bearings from the user right side and out of the left side of the box. Remove the bottom bracket shaft and bearings from the frame.
  • Page 20 Brake Rod Replacement Use a 5mm hex key to remove the screws securing the right side sweatguard to the bike. Remove the retaining screw (blue) from the top cap, then pull out the front pop pin (blue), then pull upwards on the brake top cap (yellow) to remove it.
  • Page 21 Brake Replacement Use a 5mm hex key to remove the screws securing the right side sweatguard to the bike. Remove the retaining screw (blue) from the top cap, then pull out the front pop pin (blue), then pull upwards on the brake top cap (yellow) to remove it.
  • Page 22 Remove the brake bracket cover from the front of the bike (blue) After removing the brake bracket cover, use a #3 hex key to remove the screws securing the brake bracket to the frame (yellow) Remove the brake assembly from the bike. If necessary remove the brake adjustment nut assembly.

  • Page 23: Power & Mechanical Issues

    TROUBLESHOOTING This page lists out all procedures available for Schwinn bikes. Use the icon to open the procedure in a new browser window. Internet connection is required. Power & Mechanical Issues Link Note Procedure No power on an Echelon 2G...
  • Page 24 © 2018 CORE HEALTH & FITNESS, LLC PART NUMBER 637-8651, REV A...