The Worm Reducer - Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer with Flange Double/Triple Reduction 873 is a high-power, energy-efficient right-angle drive with multiple installation options. It offers a ready-to-use transmission ratio ranging from 8:1 to 16,000:1 and can be seamlessly interchanged with leading market competitors in terms of size. It is compatible with standard IEC motors without any modifications. The modern design technology and high-quality components make the C series helical worm gear reducer superior to any other gearbox in terms of cost per Nm.
Our company provides a replacement for Fenner brand helical worm gearboxes. Our products are of high quality and offered at competitive prices. It is important to note that our products are replacement parts and not original equipment manufacturer (OEM) parts. For purchasing OEM parts, please contact the original supplier. Below is an image of the replacement gearbox:
The Worm Reducer - Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer with Flange Double/Triple Reduction 873 is suitable for the following applications:
The Worm Reducer - Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer with Flange Double/Triple Reduction 873 consists of the following components:
The performance of the gearbox depends on correct installation, lubrication, and maintenance. Here are the installation instructions:
1. Ensure that the shaft and the gearbox unit hole are clean and free of burrs.
2. Apply an adequate amount of lubricating oil on the shaft and hole to facilitate assembly and prevent friction corrosion.
3. Slide the unit onto the drive shaft and fit the key on the shaft.
1. Install the equipment securely on a sturdy structure.
2. Install the output extended shaft if required.
3. Use elastic couplings for connection between shafts and ensure that shaft deviation is within the coupling's tolerance.
4. When installing pulleys or sprockets on two shafts, position them as close to the gearbox as possible.
5. Avoid striking the shafts during installation or disassembly of transmission components to prevent bearing damage.
Proper lubrication and maintenance are essential for the performance of the gearbox. Follow these guidelines:
The gearboxes with a size of 870 and 871 are lubricated for life, except when operating in explosive environments. Gearboxes of all other sizes require oil change based on the operating temperature of the equipment. Half of the oil should be replaced after 1000 hours of operation, one year, or the specified service life.
The maintenance of the gearbox should include the following:
| Issue | Cause | Solution |
|---|---|---|
| Excessive noise | Worn-out gears or bearings | Replace the damaged parts |
| Leakage of lubricating oil | Seal damage or improper installation | Replace the seals or reinstall them correctly |
| Overheating | Improper lubrication or overloading | Ensure proper lubrication and avoid overloading |
| Vibration | Misalignment or unbalanced load | Align the gearbox properly and balance the load |
| Loss of torque | Worn-out gears or insufficient lubrication | Replace the worn-out gears and ensure proper lubrication |
| Gearbox not engaging | Clutch or linkage issues | Check and repair the clutch or linkage |
| Abnormal vibration | Bearing failure or misalignment | Replace the failed bearings |
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