1. Introducció
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Metabo SA 312 Automatic Hose Reel. Please read this manual thoroughly before using the product to ensure proper function and to prevent injury or damage.
The Metabo SA 312 is an automatic hose reel designed for professional use, featuring a durable metal casing and a 12-meter high-flexible PU hose. It includes universal 1/4 inch quick connection couplings compatible with Euro, ARO, and ISO standards, and an automatic lock and roll-up function for convenience.

Figure 1: Metabo SA 312 Automatic Hose Reel, showing the black metal casing and blue PU hose with connectors.
2. Instruccions de seguretat
Observeu sempre les següents precaucions de seguretat per reduir el risc de lesions o danys.
- Llegeix el manual: Familiaritzeu-vos amb totes les instruccions i advertències abans d'utilitzar-lo.
- Equips de protecció individual: Always wear appropriate eye protection, hearing protection, and other personal protective equipment as required by your work environment.
- Pressió de l'aire: Ensure the air supply pressure does not exceed the maximum recommended pressure for the hose reel and connected tools.
- Muntatge segur: The hose reel must be securely mounted to a stable surface (wall or ceiling) using appropriate fasteners.
- Inspecció de la mànega: Regularly inspect the hose for cuts, abrasions, bulges, or other damage. Replace damaged hoses immediately.
- Integritat de la connexió: Ensure all connections (hose to reel, hose to tool, air supply to reel) are tight and leak-free before operating.
- Retraction Safety: When retracting the hose, guide it manually to prevent uncontrolled whipping, which can cause injury or damage. Do not release the hose abruptly.
- Infants i espectadors: Mantingueu els nens i els espectadors allunyats de la zona de treball durant el funcionament.
- Manteniment: Perform maintenance only when the air supply is disconnected and the hose is depressurized.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents i no estiguin danyats en desempaquetar-los.
- Metabo SA 312 Automatic Hose Reel with 12m PU Hose
- Integrated 1/4 inch universal quick connection coupling and plug nipple
- Wall and ceiling mounting brackets (pre-attached or included)
- Manual d'instruccions (aquest document)
4. Configuració i instal·lació
Proper installation is crucial for the safe and effective operation of the hose reel.
4.1 Selecció d'una ubicació de muntatge
Select a sturdy wall or ceiling location capable of supporting the weight of the hose reel and the forces exerted during hose extension and retraction. Ensure the location allows for full hose extension without obstruction and provides easy access to the air supply.
4.2 Mounting the Hose Reel
- Position the hose reel against the chosen mounting surface.
- Mark the locations for the mounting holes using the integrated brackets as a template.
- Drill appropriate pilot holes for your chosen fasteners (screws, bolts, anchors – not included).
- Securely attach the hose reel to the wall or ceiling using suitable hardware. Ensure all fasteners are tightened to prevent movement.

Figura 2: lateral view of the hose reel, highlighting the robust mounting bracket for secure installation.

Figura 3: De dalt a baix view illustrating the mounting points on the hose reel for wall or ceiling attachment.
4.3 Connexió al subministrament d'aire
Connect your compressed air supply line to the inlet fitting on the hose reel. Ensure a tight, leak-free connection. It is recommended to use thread sealant tape for optimal sealing.
5. Instruccions de funcionament
5.1 Estendre la mànega
Grasp the hose firmly and pull it out to the desired length. The automatic locking mechanism will engage at various intervals, holding the hose in place. You will hear a click as it locks.
5.2 Connexió d'eines pneumàtiques
The Metabo SA 312 is equipped with a 1/4 inch universal quick connection coupling. To connect an air tool, insert the tool's plug nipple into the coupling until it clicks securely into place.

Figura 4: Detallada view of the 1/4 inch quick connection coupling and plug nipple, ready for tool attachment.
5.3 Retracció de la mànega
To retract the hose, pull it out slightly further until the locking mechanism disengages. Then, slowly guide the hose back into the reel. Do not release the hose abruptly, as this can cause it to whip and potentially cause injury or damage.
5.4 Disconnecting Air Tools
To disconnect an air tool, pull back the collar on the quick connection coupling and remove the tool's plug nipple. Ensure the air supply to the tool is off before disconnecting.
6. Manteniment
Regular maintenance ensures the longevity and safe operation of your Metabo SA 312 hose reel.
- Inspecció de la mànega: Periodically inspect the entire length of the PU hose for any signs of wear, cuts, kinks, or damage. Replace the hose if any damage is found.
- Comprovacions de connexió: Ensure all air connections are tight and free of leaks. Apply thread sealant as needed.
- Neteja: Keep the hose reel casing and hose clean from dirt, dust, and debris. Use a damp drap per netejar; eviteu productes químics agressius.
- Seguretat de muntatge: Regularly check the mounting bolts or screws to ensure they remain tight and secure.
- Lubricació: The internal retraction mechanism is generally maintenance-free. Do not attempt to lubricate internal components unless specifically instructed by Metabo service personnel.
7. Solució De Problemes
Consulteu la taula següent per veure els problemes habituals i les seves solucions.
| Problema | Causa possible | Solució |
|---|---|---|
| La mànega no es retrau completament. | Hose is kinked or obstructed. Spring mechanism is weak or damaged. | Check for kinks or obstructions along the hose path. Ensure the hose is clean. If the spring is damaged, contact Metabo service. |
| Hose does not lock in place. | Locking mechanism is dirty or damaged. | Clean the locking mechanism area. If damaged, contact Metabo service. |
| Fuites d'aire per les connexions. | Loose connections, worn seals, or damaged hose/fittings. | Tighten all connections. Inspect O-rings and seals; replace if worn. Check hose and fittings for damage. |
| Flux d'aire reduït. | Kinked hose, clogged filter (if applicable), or insufficient air supply. | Check the hose for kinks. Ensure your air compressor is providing adequate pressure and flow. |
8. Especificacions
Technical data for the Metabo SA 312 Automatic Hose Reel.
| Marca | Metabo |
| Número de model | 628824000 |
| Nom del producte | SA 312 Automatic Hose Reel |
| Material | Metall Casing |
| Tipus de mànega | High-flexible PU Hose |
| Longitud de la mànega | 12 metres |
| Diàmetre interior de la mànega | 8 mm (aprox. 1/4 de polzada) |
| Tipus de connexió | 1/4 inch Universal Quick Connection (Euro, ARO, ISO compatible) |
| Mode d'operació | Automatic (lock and roll-up) |
| Tipus d'instal·lació | Muntatge a la paret, al sostre |
| Pes de l'article | 8 kg (17.6 lliures) |
| Color | Multi-coloured (primarily black casing with blue hose) |
9. Garantia i Suport
Metabo products are manufactured to high-quality standards. This product comes with a standard manufacturer's warranty. Please refer to the warranty card included with your purchase or visit the official Metabo weblloc web per obtenir informació detallada sobre els termes i condicions de garantia específics de la vostra regió.
For technical support, spare parts, or service inquiries, please contact your local authorized Metabo dealer or Metabo customer service.
Durada de la disponibilitat de recanvis a la UE: 2 Anys