Ronix RH-4901 2 Ton Hydraulic Bottle Jack
Safety Instructions
- Study, understand, and follow all instructions before operating this device.
- Do not exceed rated capacity.
- Use only on hard, level surfaces, with less than 3 degrees of slope.
- Lifting device only. Immediately after lifting, support the vehicle with appropriate means.
- Do not move or dolly the vehicle while on the jack.
- Lift only on areas of the vehicle as specified by the vehicle manufacturer.
- No alterations shall be made to this product.
- Only attachments and/or adapters supplied by the manufacturer shall be used.
- Do not get under or allow anyone under the vehicle until it has been supported by jack stands.
- Center the load on the saddle before lifting.
- Use wheel chocks or other blocking devices on opposing wheels before using the jack.
- Never use on a lawnmower or lawn tractor.
- Do not use this jack for any use other than the manufacturer-specified usage.
- Do not rock the vehicle while working on or around equipment.
- The following are not recommended for supporting this equipment: Foundations, Homes, Mobile Homes, Trailers, RVs, Campers, nor Fifth Wheels, etc.
- Failure to heed these markings may result in personal injury and/or property damage.
Part List
Inspection
The product shall be maintained in accordance with the product instructions. No alterations shall be made to this product.
- Before use. A visual inspection of the jack should be made for abnormal conditions such as cracked welds, damage, bent, worn, loose, or missing parts, or hydraulic leaks.
- Inspections shall be performed in accordance with this manual.
- The product shall be inspected immediately if the jack is believed to have been subject to an abnormal load or shock. It is recommended that this inspection be made by an authorized customer service representative before use.
Operations
The owner and/or operator is responsible for providing maintenance, maintaining all decals or warning labels, and while in use, maintaining the unit in good working order. Make sure that the operator comprehends its contents. Safety information shall be emphasized and understood prior to usage. The jack shall be inspected per the instruction manual before use. It is the owner and/or operator’s responsibility to study all WARNINGS, operating, and maintenance instructions contained in the product manual and instruction manual before operation of this unit. The owner/ operators shall retain product instructions for future reference.
Raising Vehicle
- Make sure the jack and vehicle are on a hard, level surface.
- Always set the vehicle parking brake and block the wheels
- Consult the vehicle owner’s manual to ascertain the location of jack points and position the jack beneath the prescribed point.
- Turn the release valve clockwise to the closed position. DO NOTOVER-TIGHTENN!
- To raise the vehicle to the designed height, place the handle into the socket and pump up and down.
- Place jack stands beneath the vehicle at locations recommended by the vehicle manufacturer.
- Do not get under the vehicle without jack stands. Jacks are not designed to maintain heavy loads for long periods of time.
- Do not attempt to put a jack stand simultaneously under both ends of the vehicle or under one side of the vehicle.
- Turn the release valve SLOWLY counterclockwise to lower the load onto the jack stands.
Lowering Vehicle
- Turn the release valve clockwise to the closed position.
- Pump the handle to lift the vehicle off of jack stands.
- Remove the jack stands. Do not get under or let anyone else under the vehicle while lowering.
- Turn the release valve SLOWLY counterclockwise to lower the vehicle onto the ground.
Check Oil Level
- Turn the release valve counterclockwise to allow the ram to fully retract.
- It may be necessary to apply force to the saddle for lowering.
- With the jack in the level position, remove the oil fill plug.
- Stand the jack in a vertical position with the handle socket down.
- The oil should be level with the bottom of the fill hole. If not, top off.
- Do not overfill. Always fill with new, clean hydraulic jack oil.
- Replace the fill plug.
- Check the jack operation.
- Purge air from the system as required.
Maintainance
Lubrication is critical to jacks as they support heavy loads. Any restriction due to dirt, rust, etc., can cause either slow movement or extremely rapid jerks, damaging the internal components. The following steps are designed to keep the jack well lubricated:
- Lubricate the ram, linkages, saddle, and pump mechanism with light oil.
- Grease wheel bearings and axles.
- Visually inspect for cracked welds, bent, loose, missing parts, or hydraulic oil leaks.
- Clean all surfaces and maintain all labels and warnings.
- Check and maintain the ram oil level.
- Check the RAM every 3 months for any sign of rust or corrosion.
- Clean as needed and wipe with an oilcloth. When not in use, always leave the saddle and ram all the way down.
Technical Specifications
| Model | RH-4901 |
| Capacity (Ton) | 2 |
| Min. Height (mm) | 180 |
| Lifting Height (mm) | 105 |
| Adjustable Height (mm) | 48 |
| Max. Height (mm) | 333 |
| N.W. (Kgs) | 2/49 |
Troubleshooting
- Turn the release valve counterclockwise one full turn to open.
- Pump handle eight full strokes.
- Turn the release valve clockwise to close the valve.
- Pump handle until the ram reaches maximum height, and continue to pump several times to remove trapped air in the ram.
- Carefully and slowly pinch the oil fill plug to release trapped air.
- Turn the release valve counterclockwise one full turn and lower the am to the lowest position.
- Use force if necessary.
- Turn the release valve clockwise to the closed position and check for proper pump action.
| Jack will not lift the load | Jack will not hold the load | Jack Poor will not lower the lifting | Will not lift to full extension | Causes and Solutions | |
| x | x | x | The release valve is not completely closed. (Turn handle clockwise) | ||
| x | Weight Capacity Exceeded. | ||||
| x | x | Air is in the hydraulics. Purge air from the system. | |||
| x | x | x | x | Low oil level. Add oil as required. | |
| x | The oil reservoir is overfilled. Drain excessive oil. Lubricate moving parts. | ||||
| x | Jack is a binding or foreign obstruction. | ||||
| x | x | x | The power unit is malfunctioning. Replace the power unit. | ||
Environmental Instructions
- Dispose of cardboard packaging and polyethylene (PE) bags in the appropriate containers for separate collection of municipal waste according to their description.
- If there are batteries in the device, remove them and separately return them to the collection and storage facility. Return the used device to a suitable collection and storage facility, as the hazardous substances in it may pose a threat to health and the environment.
- Waste electrical equipment is waste that contains substances harmful to humans, animals, and the environment.
- These substances can lead to contamination of the soil, water, or air, and through this they can get into the human body and lead to numerous health ailments, such a vision, hearing, and speech disorders; they can also lead to kidney, liver, and heart damage, and cause skin diseases.
- Harmful substances can also have adverse effects on the respiratory and reproductive systems and lead to cancerous changes. Consumption of plants growing on the contaminated soils, and products made from them, may risk the above-mentioned health effects.
- Do not dispose of the device in the municipal waste container!!! Service: If you wish to purchase spare parts or report any complaints, please contact directly with the seller who issued the receipt directly.
Customer Support
- Address: Lyoner Str. 36 60528 Frankfurt am Main
- Tel:+49 69 310 900 66
- Website: www.ronixtools.com
FAQs
Q: What is the Ronix RH-4901 Hydraulic Bottle Jack used for?
A powerful hydraulic lifting tool, the Ronix RH-4901 can hoist machines or automobiles up to two tonnes. It is perfect for applications needing dependable stability and lifting force, such as tyre changes, auto repair, air, and workshop lifting.
Q: What is the lifting range of this bottle jack?
The Ronix RH-4901 can be easily used on the majority of cars, including light trucks, small SUVs, and sedans, thanks to its lifting range of roughly 158 mm to 308 mm.
Q: What type of hydraulic oil should I use?
Make use of premium hydraulic jack oil (ISO VG 22 or similar). Avoid using engine oil, gearbox fluid, or brake fluid since they can harm internal seals.
Q: How do I release the load after lifting?
Using the handle, slowly rotate the release valve anticlockwise. The jack will drop smoothly as a result.
Q: Can I use the jack horizontally?
No, the Ronix RH-4901 must be used upright and vertically at all times. Oil leaks and hydraulic failure may result from using it on its side.




