This document is a service manual for the Schwinn® S.C. 5 indoor cycling bike, manufactured by Core Health & Fitness. It provides detailed instructions for maintenance, replacement procedures, and troubleshooting for the bike and its associated components.
Function Description:
The Schwinn S.C. 5 is an indoor cycling bike designed for fitness and exercise. It features a robust construction suitable for both home and commercial use, conforming to various safety and performance standards. The bike is equipped with a flywheel, crank arms, pedals, and a belt drive system to simulate outdoor cycling. It can be integrated with consoles and power meters, such as the 4iiii crank, to provide performance data and enhance the user experience. The design emphasizes durability and ease of maintenance, with accessible components for service.
Important Technical Specifications:
- Model: 9-7410 S.C.™ 5
- Overall Weight: 134 lbs (61 kg)
- Dimensions:
- Width: 21" (53 cm)
- Length: 55" (140 cm)
- Height: 47" (119 cm)
- User Weight Capacity: 0-350 lbs (0-159 kgs)
- Product Conformity:
- EN957-1 (S,H)
- EN957-10 (S,H)
- ASTM F1250-13
- ASTM F2276-10
- Pedal Threading: Right pedal is right-hand threaded, left pedal is reverse threaded.
- Pedal Bolt Torque (Threaded Pedal): 25-30 ft-lb (34-40 Nm)
- Pedal Bolt Torque (Morse Taper Pedal): 33-37 ft-lb (45-50 Nm)
- Crank Bolt Torque (4iiii Crank): 40-44 ft-lb (55-60 Nm)
- Bottom Bracket Retaining Nut Torque: 50 ft-lb (68 N-m)
- Belt Tension: Approximately 84 Hz (measured with a sonic tension meter or tensioning app).
Usage Features:
The Schwinn S.C. 5 is designed for a smooth and consistent cycling experience. It features adjustable leveling feet to ensure stability on various surfaces, preventing wobbling or leaning. The bike supports different types of pedals, including standard double link, Triple Link MT LOOK Delta-compatible, and Triple Link MT LOOK Keo-compatible pedals, offering versatility for users with specific preferences. The integration with 4iiii crank power meters allows for precise power measurement and calibration, enhancing training effectiveness. Consoles like the MPower Echelon2G, MPower Echelon2, and Cadence Pro can be used to display performance data and manage settings. The bike's design includes a chainguard for safety and protection of the drive system.
Maintenance Features:
The service manual details various maintenance and replacement procedures, making the bike serviceable. Key maintenance features include:
- Shroud Removal: Instructions for removing the rubber chainguard cap and screws to access internal components.
- Belt Tension Adjustment: Detailed steps for loosening axle bolts, tension screw lock nuts, and adjusting tension screws and the idler arm spring. A sonic tension meter or tensioning app is recommended for accurate belt tension measurement (~84 Hz).
- Belt Replacement: Comprehensive guide for removing the old belt and installing a new one, including flywheel removal and cross brace manipulation.
- Pedal Replacement (Morse Taper): Instructions for removing and installing pedals using an 8mm allen key and a crank puller tool, with specific torque values for pedal bolts.
- Crank Arm Replacement (4iiii Crank): Steps for removing and installing crank arms, including the use of a crank puller tool and torque wrench, with specific torque values for crank bolts. Battery replacement for the 4iiii crank is also covered.
- Bottom Bracket Replacement: Procedure for removing the bottom bracket retaining nut, shaft, and bearings, and installing a new bottom bracket with red Loctite #620 and specific torque.
- Brake Rod Replacement: Instructions for removing the sweatguard, brake top cap, pop pin, and brake rod assembly, and subsequently replacing the brake.
- Adjusting Leveling Feet: Simple steps to ensure the bike is level and stable.
- Troubleshooting: A dedicated section with links to online procedures for power and mechanical issues (e.g., no power on Echelon 2G, noise troubleshooting, identifying crank arms, general pedal maintenance) and console & 4iiii issues (e.g., updating 4iiii Powermeter firmware, timing delay in gear display, 4iiii Mobile App support, Echelon2G 3rd Party Device ANT+ Compatibility, orienting strain relief grommet). These online resources require an internet connection.
Need help?
General
To Next Page