Introducción
The BAOSHISHAN Low Profile 10 Ton Double Ram Bottle Jack is engineered for efficient and safe lifting operations. Its unique double ram design provides an extended lifting range while maintaining a low starting height, making it suitable for a variety of vehicles and equipment with limited ground clearance. Constructed from high-quality alloy steel, this hydraulic jack offers durability and stable performance for both professional and personal use.

Image: The BAOSHISHAN 10 Ton Low Profile Double Ram Bottle Jack, shown with its multi-piece handle.
Características principales:
- Low Ground Clearance Design: A 4-7/8 inch (125mm) starting height allows the jack to fit under most low-clearance vehicles.
- Double Ram Mechanism: Provides an extended lifting range, fully extending up to 8-7/8 inches (225mm), offering a good range of motion.
- Construcción duradera: Manufactured with high-quality heavy-duty alloy steel for enhanced strength and longevity.
- Bombeo eficiente: Features a pressure pump designed for lifting with minimal effort.
- Aplicación versátil: Suitable for automotive and agriculture repair shops, loading docks, garages, warehouses, and factory floors. Also effective for leveling heavy equipment.
Advertencias de seguridad importantes
Always prioritize safety when operating hydraulic lifting equipment. Failure to follow these instructions can result in serious injury or property damage.

Image: Visual representation of safety warnings for bottle jack operation.
- No exceda la capacidad nominal. The jack is rated for a maximum of 10 tons (20,000 lbs).
- El gato es solo un dispositivo de elevación. Always support the vehicle with appropriate jack stands immediately after lifting.
- Transfer the load to jack stands before working under the vehicle. Never rely solely on the hydraulic jack for support.
- Refer to the vehicle's owner's manual for proper jacking procedures and designated lifting points.
- Levante solo en áreas del vehículo según lo especificado por el fabricante del vehículo.
- Ensure the jack is placed on a firm, level surface.
- Keep hands and feet clear of the jack and the load during operation.
Configuración y montaje
Before using your BAOSHISHAN bottle jack, ensure all components are present and the handle is correctly assembled.

Image: Step-by-step guide for handle assembly and basic jack operation.
Montaje del mango:
- The jack comes with a 4-section assembleable handle.
- Insert the thin section of the handle into the thick section to assemble. Repeat until all sections are connected, forming a handle up to 560mm (22 inches) long.
- The assembled handle will be used for both pumping and adjusting the release valve.
Preparación inicial:
- Before first use, ensure the release valve is fully closed by turning it clockwise with the notched end of the handle.
- Pump the jack a few times without a load to circulate the hydraulic fluid and remove any air.
Video: Official demonstration of the assembly and operation of the BAOSHISHAN Low Profile Double Ram Bottle Jack.
Instrucciones de funcionamiento
Lifting a Load:
- Colocar el gato: Place the jack on a hard, level surface directly under the vehicle's designated lifting point. Ensure the jack's saddle is centered on the lifting point.
- Cierre la válvula de liberación: Insert the notched end of the handle into the release valve and turn it clockwise until it is firmly closed. Do not overtighten.
- Bombee la manija: Insert the handle into the pump sleeve. Pump the handle up and down to raise the jack's ram. Continue pumping until the load reaches the desired height.
- Asegure la carga: Once the load is lifted, immediately place appropriately rated jack stands under the vehicle's support points. Slowly lower the load onto the jack stands by gradually turning the release valve counter-clockwise.
Lowering a Load:
- Raise Slightly (if on stands): If the vehicle is on jack stands, slightly raise the load with the hydraulic jack to remove pressure from the stands.
- Quitar los soportes del gato: Retire con cuidado los soportes del gato de debajo del vehículo.
- Open Release Valve: Slowly turn the release valve counter-clockwise using the notched end of the handle. The load will begin to descend. Control the lowering speed by adjusting how much you open the valve.
- Retractación completa: Once the load is fully lowered, the jack may not retract completely on its own. You may need to manually push down on the ram or the jack body to fully retract it for storage.

Image: The BAOSHISHAN bottle jack positioned under a vehicle for lifting.
Mantenimiento
Regular maintenance ensures the longevity and safe operation of your hydraulic bottle jack.
- Limpieza: Keep the jack clean and free from dirt, grease, and debris. Wipe down the ram and other moving parts after each use.
- Lubricación: Periodically apply a light coat of machine oil to pivot points and moving parts to ensure smooth operation.
- Nivel de líquido: Check the hydraulic fluid level regularly. If the fluid level is low, add high-quality hydraulic jack oil. Refer to the oil fill plug location on the jack.
- Inspección: Before each use, inspect the jack for any signs of damage, wear, or oil leakage. Do not use a damaged jack.
- Almacenamiento: Guarde el gato en un lugar limpio y seco con el cilindro completamente retraído para evitar la corrosión y prolongar la vida útil del sello.
Solución de problemas
Here are solutions to common issues you might encounter with your hydraulic bottle jack.
- Jack Fails to Lift Load:
- Ensure the release valve is fully closed.
- Check hydraulic fluid level; refill if low.
- Bleed air from the system (refer to manufacturer's instructions for bleeding procedure, typically involves opening the release valve and pumping the handle several times without a load).
- Verify the load does not exceed the jack's rated capacity.
- Jack Lifts Slowly or Inconsistently:
- Bajo nivel de fluido hidráulico.
- Air in the hydraulic system; bleed the system.
- Jack Does Not Retract Fully:
- This is common for some hydraulic jacks. Manually push down on the ram or the jack body to fully retract it for storage.
- Ensure the release valve is fully open.
- Fuga de aceite:
- Inspect seals and connections for visible damage.
- If oil leakage occurs, discontinue use immediately and contact customer service for assistance or replacement under warranty.
Especificaciones del producto

Image: Key dimensions and lifting range of the bottle jack.
| Especificación | Valor |
|---|---|
| Número de modelo | ZKN-221d |
| Capacidad de carga | 10 toneladas (20,000 libras) |
| Altura mínima | 125 mm (4.92 pulgadas) |
| Altura máxima | 225 mm (8.86 pulgadas) |
| Altura de elevación | 100 mm (3.94 pulgadas) |
| Peso del artículo | 16 libras (7.7 kg) |
| Dimensiones del producto (L x An x Al) | 6.34 x 6.5 x 4.92 pulgadas |
| Material | Acero aleado |
| Color | Gris |

Image: Close-up of the double ram design, illustrating the two stages of extension.
Garantía y soporte
BAOSHISHAN stands behind the quality of its products.
- Garantía: BAOSHISHAN provides a 1-year warranty for this product.
- Apoyo: If you experience any issues such as oil leakage, damage, or malfunction with your bottle jack, please do not hesitate to contact BAOSHISHAN after-sales service for assistance or a replacement.
- Para obtener más información o explorar otros productos, visite el BAOSHISHAN Store.