Your marine equipment requires regular maintenance to ensure optimal performance, and the precision shaft and rudder system equipment provided by Dongtai Haipeng Marine Accessories Co., Ltd. also requires professional maintenance. Before carrying out any maintenance operations, please be sure to refer to the "Warranty Terms and Maintenance Manual" that comes with our equipment. The following is the maintenance guide and corresponding service support for key components:
Rudder Shaft Maintenance
Inspection Cycle
Inspection cycle: It is recommended to conduct a comprehensive inspection once a year.
Maintenance Points
⦁ Electrolytic corrosion detection: Use light to check whether there is a circular corrosion pattern on the surface of the rudder shaft. If the rudder blade fits tightly to the hull, it is necessary to focus on the gap area. ⦁ Mechanical locking inspection: Confirm the locking status of the tiller arm or rudder fan on the rudder shaft to ensure that there is no looseness or displacement to avoid keyway wear.
Service Support
⦁ If you need to conduct in-depth inspection or deal with electrolysis problems, you can contact our technical team for on-site support. ⦁ Refer to the "Rudder Shaft Antifouling Agent Usage Guide" to optimize the maintenance process.
Bearing Assembly Maintenance
Bottom Bearing
⦁ Daily cleaning: After the ship leaves the water, rinse the bearing seat with fresh water to discharge salt water crystals. ⦁ Roller replacement: If the rotation is irregular, it may be due to wear on the roller side. This can be solved by replacing the polyoxymethylene resin ring and a new roller. Please refer to our video tutorial "Bottom Bearing Roller Replacement Guide" for operation.
Top Bearing
Special for sandy environment: If the ship is often moored in sandy areas, the bearings need to be flushed annually to remove sand and dust.
Service Support
Provide quick replacement service for roller assemblies and resin rings, and respond to emergency needs within 48 hours.
Sealing System Maintenance
Lip Seals
⦁ Regular inspection: Check the seal surface for cracks or pores every year. If signs of aging are found, it is recommended to replace it with a new polyurethane (PUR) seal. ⦁ Lubrication suggestion: Spray a thin layer of polytetrafluoroethylene spray on the seal surface to optimize operating performance.
Service Support
⦁ Download the "Lip Seal Replacement Manual" for detailed operating instructions. ⦁ Provide PUR seal upgrade service to extend service life.
Maintenance Of Protective Devices
Dust Cover
⦁ Annual inspection: Check the surface of the dust cover for cracks, especially around the Jubilee clamp. ⦁ Quick repair: If replacement is required, local repair can be completed using special neoprene glue without removing the rudder shaft.
Service Support
The dust cover is provided in an uncoated state to support quick replacement on site.
Maintenance Of Protective Devices
Vertical Locking Ring
⦁ Annual inspection: Confirm that the locking mechanism is not loose. It is recommended to loosen the fixing screws one by one and relubricate to ensure future removability. ⦁ Noise treatment: If a squeaking sound is heard at the polyoxymethylene resin ring, a polytetrafluoroethylene film can be sprayed to eliminate the noise.
Service Support
Provide a special maintenance tool kit and technical guidance for the locking ring.
Service Commitment And Emergency Support
Timeliness Guarantee
Response to routine maintenance needs within 48 hours, 24-hour technical support for emergencies.
Global Service Network
Covering major routes through 15 major port service stations to ensure localized and fast service.
Resource Download
Visit our online document library for manuals, videos and technical drawings.
Contact Us
Dongtai Haipeng Marine Parts Co., Ltd. is committed to ensuring that your equipment is always in the best operating condition,
extending its service life and reducing operating costs through professional maintenance guidelines and efficient services.
Dongtai Haipeng Marine Accessories Co., Ltd. is a professional manufacturer that designs, manufactures and processes all kinds of ship stern shafts, rudder shafts and their supporting products, stern shaft seals, stern tube bearings, upper and lower rudder bearings, intermediate bearings, bulkhead transmission devices and other ship supporting products.
