1. Introduction
Thank you for choosing the Crystal SJ-2880 Magnetic Elliptical Cross Trainer. This manual provides essential information for the safe assembly, operation, and maintenance of your fitness equipment. Please read it thoroughly before use and keep it for future reference.
Figure 1: Crystal SJ-2880 Magnetic Elliptical Cross Trainer
2. Important Safety Information
- Consult your physician before starting any exercise program.
- Keep children and pets away from the equipment during use.
- Place the elliptical on a flat, stable surface with adequate clearance around it.
- Wear appropriate exercise attire and footwear.
- Inspect the equipment for loose or damaged parts before each use. Do not use if damaged.
- Do not exceed the maximum user weight of 150 kg (330 lbs).
- Stop exercising immediately if you feel faint, dizzy, or experience pain.
- Ensure all bolts and nuts are securely tightened after assembly and checked regularly.
3. Package Contents
Before assembly, ensure all parts listed below are present. If any parts are missing or damaged, contact customer service.
- Main Frame
- Handlebars (fixed and moving)
- Pedals
- Stabilizers (front and rear)
- Console/Display Unit
- Assembly Hardware (bolts, washers, nuts, tools)
- User Manual (this document)
Figure 2: Exploded view and key components of the SJ-2880 Elliptical
4. Setup and Assembly
Assembly typically requires two people. Follow the steps carefully. Refer to Figure 2 for component identification and Figure 3 for detailed assembly steps.
- Unpack all components and lay them out on a clear, flat surface.
- Attach the front and rear stabilizers to the main frame using the provided bolts and washers.
- Secure the main upright post to the base frame.
- Install the flywheel and crank arms.
- Attach the moving handlebars and pedal arms to the crank arms and main upright.
- Connect the fixed handlebars and the console support post.
- Mount the console/display unit, ensuring all sensor cables are properly connected.
- Attach the pedals to the pedal arms.
- Double-check all connections to ensure they are tight and secure.
Figure 3: Detailed assembly instructions and product information
5. Operating Instructions
5.1 Console Functions
The LCD display provides real-time feedback on your workout. Refer to Figure 4 for console details.
- Time: Duration of your workout.
- Speed: Current speed in km/h or mph.
- Calorie: Estimated calories burned.
- Distance: Distance covered during the workout.
- Heartbeat Rate: Your pulse, measured via hand sensors.
- Scan: Automatically cycles through all display functions.
5.2 Adjusting Resistance
The SJ-2880 features an 8-level magnetic resistance system. To adjust the resistance, turn the tension control knob located on the main upright (see Figure 4). Turn clockwise for higher resistance, counter-clockwise for lower resistance.
5.3 Heart Rate Monitoring
Grip the heart rate sensors on the fixed handlebars firmly with both hands. Your heartbeat rate will be displayed on the console after a few seconds.
Figure 4: Key operational features including console, tension control, and heart rate sensors
6. Maintenance
- Cleaning: Wipe down the equipment with a damp cloth after each use to remove sweat and dust. Do not use abrasive cleaners.
- Inspection: Regularly check all bolts, nuts, and moving parts for tightness and wear. Tighten any loose fasteners.
- Lubrication: Periodically check moving joints for smooth operation. If any squeaking occurs, apply a small amount of silicone-based lubricant to the pivot points.
- Storage: Store the elliptical in a dry, cool place away from direct sunlight and moisture.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Console not displaying | Loose cable connection, dead batteries | Check all cable connections to the console. Replace console batteries. |
| Squeaking or grinding noise | Loose bolts, lack of lubrication, worn parts | Tighten all assembly bolts. Apply lubricant to moving joints. Contact support if noise persists. |
| Resistance not changing | Tension cable disconnected or damaged | Inspect the tension control cable connection to the flywheel mechanism. |
| Heart rate not detected | Improper hand placement, dry hands | Ensure hands are firmly gripping both sensors. Lightly moisten hands if too dry. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | SJ-2880 |
| Product Name | Magnetic Elliptical Cross Trainer |
| Brand Name | Crystal (JIMITU) |
| Material | Steel Tube |
| Drive Type | Rear wheel drive |
| Resistance System | Magnetically controlled, 8 levels adjustable |
| Flywheel Weight | 6 kg |
| Max Load Weight | 150 kg |
| Product Dimensions (L*W*H) | 1040*480*1600mm (approx. 104*48*160 cm) |
| Carton Size | 1060*295*590mm |
| Gross Weight / Net Weight | 36 kg / 32 kg |
| LCD Display Functions | Time, Speed, Calorie, Distance, Heartbeat Rate, Scan |
| Training Site | Waist, ARMS, Legs, Waist & Abdomen Exercise, Head, Foot, BACK, Hand, Wrist, Hip, Chest, Core, Other |
| Certification | CE, TUV, ISO9001, BV |
9. User Tips
- Warm-up: Always start your workout with a 5-10 minute warm-up to prepare your muscles.
- Cool-down: Finish with a 5-10 minute cool-down and stretching to aid recovery.
- Posture: Maintain an upright posture, engage your core, and avoid leaning too heavily on the handlebars.
- Hydration: Keep a water bottle nearby and stay hydrated during your workout.
- Consistency: Regular, consistent workouts are more effective than infrequent, intense sessions.
- Noise Reduction: The elliptical is designed for quiet operation. If you notice unusual noise, check for loose parts or apply lubricant as per maintenance instructions.
10. Warranty and Support
The Crystal SJ-2880 Magnetic Elliptical Cross Trainer comes with a shop warranty. We are responsible for free replacement of components if the product itself has quality problems during one year after receiving the product.
For technical support, replacement parts, or warranty claims, please contact your original point of purchase or the manufacturer's customer service.
