1. Introducció
Thank you for choosing the Marcy Standard Weight Bench MD-389. This versatile piece of equipment is designed to provide a comprehensive strength training experience in your home gym. This manual contains important information regarding the safe assembly, operation, maintenance, and troubleshooting of your weight bench. Please read it thoroughly before use and retain it for future reference.

Imatge 1.1: acabatview of the Marcy Standard Weight Bench MD-389.
2. Informació de seguretat
ADVERTIMENT: Serious injury may occur if safety precautions are not observed. Always consult with a physician before beginning any exercise program.
- Read all instructions in this manual before assembling or using the equipment.
- Mantingueu els nens i les mascotes lluny de l'equip durant l'ús.
- Col·loqueu l'equip sobre una superfície sòlida i anivellada amb un espai lliure suficient al seu voltant.
- Inspect the equipment for loose parts, wear, or damage before each use. Do not use if damaged.
- Assegureu-vos que tots els cargols i femelles estiguin ben ajustats abans d'utilitzar-los.
- Do not exceed the maximum weight capacity of 600 pounds (user weight + weight plates).
- Utilitzeu tècniques d'aixecament adequades i utilitzeu sempre un observador quan aixequeu pesos pesants.
- Porteu roba i calçat adequats per fer exercici.
3. Contingut del paquet
Before assembly, ensure all components are present and undamaged. Refer to the packing list provided with your product. The package typically includes:
- One standard weight bench frame and components
- Manual d'usuari
- Targeta de garantia
Si falta alguna peça o està danyada, no procediu amb el muntatge. Poseu-vos en contacte amb el servei d'atenció al client immediatament.
4. Instruccions de muntatge
Assembly of the Marcy Standard Weight Bench MD-389 requires careful attention to detail. It is recommended to have two people for assembly. Please refer to the detailed Installation Manual (PDF) provided by the manufacturer for step-by-step instructions and diagrams. A digital version can be found aquí.
For a visual guide, please watch the official assembly video below:
Video 4.1: Official Marcy MD-389 Product Assembly Video. This video provides a visual walkthrough of the assembly process for the weight bench.
Ensure all fasteners are tightened securely after assembly. Periodically check and re-tighten all bolts and nuts to maintain stability.
5. Característiques
The Marcy Standard Weight Bench MD-389 is equipped with several features to enhance your workout:
- Construcció resistent: Made of 14-gauge tubular steel with a powder-coated finish for durability and resistance to wear. Features high-density foam cushioning for comfort.
- Multi-Position Back Pad: The adjustable back pad offers four positions, providing support and versatility for various exercises.
- Dual-Action Leg Developer: Includes comfortable roller pads and a pivot point designed to align knee joints for proper form during leg extensions and curls.
- Free-Weight Rack: Integrated rack designed to fit standard-sized barbells and weight plates for convenient access during strength training.
- Independent Pec-Fly Arms: Dual functioning press arms allow for chest and pec fly exercises, targeting upper body muscles.

Image 5.1: Key features of the Marcy MD-389, including the preacher curl pad and leg developer.
6. Instruccions de funcionament
This section outlines how to use the various components of your Marcy MD-389 weight bench for effective workouts.
6.1. Adjusting the Back Pad
The back pad can be adjusted to four different positions (flat, incline, decline) to accommodate various exercises. To adjust, locate the adjustment pin or lever beneath the back pad, pull it out, set the back pad to the desired angle, and ensure the pin locks securely into place.
6.2. Using the Preacher Curl Coixinet
The preacher curl pad is designed for isolating bicep exercises. It is adjustable to two heights. Position yourself comfortably with your upper arms resting on the pad and perform curls amb manuelles o una barra.

Image 6.1: The preacher curl pad, adjustable to two heights for bicep isolation exercises.
6.3. Utilizing the Leg Developer
The dual-action leg developer allows for both leg extensions and leg curls. For leg extensions, sit on the bench and place your shins behind the lower roller pads. For leg curls, lie face down on the bench and place your ankles under the upper roller pads. Ensure the pivot point aligns with your knee joints for optimal movement and muscle isolation.
6.4. Performing Bench Press and Pec Fly Exercises
Use the free-weight rack for bench press exercises. Ensure the barbell is securely placed on the uprights. The independent pec-fly arms allow for chest fly movements. Grip the handles and bring them together in a controlled motion.

Image 6.2: Demonstrations of preacher curl, bench press, leg extension, and pec fly exercises using the Marcy MD-389.
7. Manteniment
Regular maintenance ensures the longevity and safe operation of your weight bench.
- Neteja: Netegeu la tapisseria i el marc amb anunciamp drap després de cada ús per eliminar la suor i la brutícia. Eviteu productes de neteja abrasius.
- Inspecció: Periodically inspect all nuts, bolts, and moving parts for tightness. Re-tighten as necessary.
- Lubricació: Apply a light lubricant to pivot points and moving parts if you notice squeaking or stiffness.
- Emmagatzematge: Store the equipment in a dry, clean environment away from extreme temperatures and direct sunlight.
8. Solució De Problemes
If you encounter issues with your Marcy Standard Weight Bench MD-389, consider the following common solutions:
- Equipment feels unstable or wobbly: Check all assembly bolts and nuts. Ensure they are securely tightened. Verify the bench is on a flat, level surface.
- Grinyols durant l'ús: Apply a small amount of lubricant to the moving joints and pivot points, especially on the leg developer and pec fly arms.
- Difficulty adjusting back pad or other components: Ensure no obstructions are present. Clean any debris from adjustment mechanisms. If a pin is stuck, gently tap it or apply a small amount of lubricant.
For persistent issues or concerns not addressed here, please contact Marcy customer support.
9. Especificacions
Below are the technical specifications for the Marcy Standard Weight Bench MD-389:
| Especificació | Detall |
|---|---|
| Número de model | MD389 |
| Marca | MARCY |
| Pes de l'article | 60 lliures |
| Material | Acer d'aliatge |
| Dimensions del producte (P x A x A) | 53" x 66" x 47" |
| Weight Limit (User + Weights) | 600 lliures |
| Back Pad Positions | 4 (Incline, Flat, Decline) |
| Barbell Compatibility | Talla estàndard |

Image 9.1: Detailed dimensions of the Marcy Standard Weight Bench MD-389.
10. Garantia i Suport
The Marcy Standard Weight Bench MD-389 comes with a 2 anys de garantia limitada del fabricantSi us plau, consulteu la targeta de garantia inclosa al paquet per conèixer tots els termes i condicions.
For customer support, parts replacement, or warranty claims, please contact Marcy directly. Keep your purchase receipt and model number (MD-389) handy when contacting support.







