1. Introduction
Thank you for choosing the JOROTO MD55 Adjustable Weight Bench. This versatile fitness equipment is designed to support a wide range of strength training exercises in your home gym. With a robust construction and multiple adjustment options, it provides a stable and comfortable platform for your workouts. Please read this manual thoroughly before assembly and use to ensure safe and effective operation.
2. Important Safety Information
- Consult a physician before starting any exercise program.
- Read all instructions in this manual before using the equipment.
- Keep children and pets away from the equipment during use.
- Place the bench on a flat, stable surface. Use a protective mat if necessary.
- Ensure all bolts and nuts are securely tightened before each use.
- Do not exceed the maximum weight capacity of 1000 lbs (453 kg).
- Inspect the bench for any signs of wear or damage before each workout. Do not use if damaged.
- Use proper lifting techniques and maintain control of weights at all times.
- Adjust the bench positions only when no weight is on the bench and it is not in use.
3. Setup and Assembly
The JOROTO MD55 Adjustable Weight Bench arrives approximately 90% pre-assembled. The remaining assembly typically takes about 10 minutes and requires the included tools. Follow the detailed instructions provided in the separate assembly guide for step-by-step installation.
The following video demonstrates the assembly process and various adjustments of the JOROTO MD55 bench.
Video: Demonstration of JOROTO MD55 Adjustable Weight Bench assembly and usage.
Key Assembly Steps:
- Unpack all components and verify against the parts list.
- Attach the main support frames using the provided bolts and nuts.
- Install the backrest and seat pads.
- Secure the leg extension and preacher curl attachments.
- Ensure all connections are tight and stable before first use.
4. Operating Instructions
The JOROTO MD55 offers multiple adjustment points to customize your workout experience. Always ensure the bench is empty and stable before making any adjustments.
4.1 Backrest and Seat Adjustments
The backrest can be adjusted to 6 different positions, allowing for flat, incline, and decline exercises. The seat also offers multiple positions to complement the backrest angle.
- To adjust the backrest, pull the adjustment pin located at the rear support.
- Move the backrest to the desired angle and release the pin, ensuring it locks securely into place.
- Adjust the seat pad by pulling its respective pin and sliding it to align with the backrest position.

Image: Multi-angle adjustment options for the backrest, ranging from -30 degrees (decline) to 90 degrees (upright).
4.2 Leg Extension and Preacher Curl Attachment
The bench includes a detachable leg extension and preacher curl attachment for targeted arm and leg workouts.
- Leg Extension: The post supports 2-inch Olympic weight plates up to 110 lbs. Secure plates with a collar (not included).
- Preacher Curl Pad: Adjust the pad to 6 different height levels and 3 angle adjustments for optimal arm isolation.

Image: Examples of exercises possible with the JOROTO MD55 bench, including preacher curls and leg extensions.
4.3 Resistance Bands
Two high-strength resistance bands are included for additional workout versatility. These can be attached to the designated points on the bench's frame.
4.4 Folding and Storage
The MD55 bench features a foldable design for convenient storage, saving up to 85% space.
- Remove any attachments (leg extension, preacher curl).
- Adjust the backrest and seat to their lowest or most compact positions.
- Follow the folding mechanism instructions in your assembly guide to collapse the bench.
- Store in a dry, safe place away from direct sunlight and extreme temperatures.

Image: The JOROTO MD55 bench in its folded configuration, illustrating its compact size for storage.
5. Maintenance
Regular maintenance ensures the longevity and safe operation of your weight bench.
- Cleaning: Wipe down the pads and frame with a damp cloth after each use to remove sweat and dirt. Avoid abrasive cleaners.
- Inspection: Periodically check all bolts, nuts, and moving parts for tightness and wear. Tighten any loose fasteners.
- Lubrication: Apply a small amount of silicone-based lubricant to pivot points and adjustment mechanisms if they become stiff.
- Storage: Store the bench in a clean, dry environment.
6. Troubleshooting
If you encounter any issues with your JOROTO MD55 Adjustable Weight Bench, refer to the following common solutions:
- Bench feels unstable: Ensure all bolts and nuts are securely tightened. Check that the bench is on a flat, even surface.
- Adjustment pins are stiff: Apply a small amount of silicone lubricant to the pin mechanism. Ensure no debris is obstructing the holes.
- Pads are worn or damaged: Discontinue use and contact customer service for replacement parts.
For issues not listed here or if troubleshooting steps do not resolve the problem, please contact JOROTO customer service.
7. Specifications
| Feature | Detail |
|---|---|
| Model | MD55 |
| Brand | JOROTO |
| Weight Capacity | 1000 Pounds (453 kg) |
| Item Weight | 32 Pounds (14.5 kg) |
| Product Dimensions (L x W x H) | 63.4" x 18.5" x 44.5" (161 cm x 47 cm x 113 cm) |
| Material | Alloy Steel, Leather |
| Backrest Positions | 6 adjustable positions |
| Preacher Curl Pad Adjustments | 6 height levels, 3 angle adjustments |
| Leg Extension Capacity | Up to 110 lbs (50 kg) with 2" Olympic plates |

Image: Visual representation of the JOROTO MD55 Adjustable Weight Bench with key dimensions.
8. Warranty and Customer Support
JOROTO stands behind the quality of its products.
- Warranty: The JOROTO MD55 Adjustable Weight Bench comes with a 1-year frame warranty.
- Customer Service: For any questions, concerns, or warranty claims, please contact JOROTO customer service. Our team is available 24 hours to provide responsive support and satisfactory solutions.