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Replace Rudder Lip Seal

Replace Rudder Lip Seal

Replace Rudder Lip Seal

Product catalog summary
Introduction
This document provides detailed procedures for changing rudder lip seals on a boat, with instructions for scenarios where the rudder has been removed and where it has not.

Procedure When Rudder Has Been Removed
  • Remove the retaining ring from the bearing housing using a small screwdriver and pliers.
  • Extract the old lip seal carefully to avoid scratching the cavity.
  • Inspect and clean the lip seal cavity, ensuring no vertical scratches are present.
  • Position and tap the new lip seal into place using a mallet or similar tool.
  • Reinstall the retaining ring once the groove is exposed.
  • Insert the Red Seal Protector to cover the lip seal completely.
  • Polish the rudder stock area that contacts the lip seal using radial motion with 220-300 grit sandpaper.
  • Raise the rudder stock into position, ensuring the seal protector remains in place.
  • Invert the Red Lip Seal Protector to prevent debris from falling onto the lip seal.

Procedure When Rudder Has Not Been Removed
  • Use one of three methods to remove the old lip seal: a pick tool, needle nose pliers, or self-tapping screws.
  • Clean the lip seal cavity and polish the rudder stock.
  • Install the new lip seal onto the Red Lip Seal Protector and slide it down the rudder stock.
  • Position and tap the new lip seal into place.
  • Install the retaining ring once the groove is exposed.
  • Invert the Red Lip Seal Protector to prevent debris from falling onto the lip seal.

Conclusion
These procedures ensure the proper installation of new rudder lip seals, maintaining the integrity and functionality of the rudder system.
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Catalog excerpts

Replace Rudder Lip Seal-1

Changing Rudder Lip Seals Rudder HAS Been Removed From the Boat Remove the retaining ring (which sits on top of the lip seal) from the body of the bearing housing. The retaining ring resembles two coils of a flat spring. The top corner of the retaining ring is cut away. Using a small screwdriver, (or other pointed tool), pry the end of the retaining ring out of its groove in the bearing housing. Grip the end of the retaining ring with pliers, and GENTLY pull upward until the retaining ring is completely out of the bearing housing. Using a screwdriver or similar tool, lever under the lip of the old lip seal to remove it from the housing. You may also firmly grip the lip of the seal with a pliers and pull upward. Be careful not to scratch the side of the lip seal cavity. Inspect and clean the inside of the lip seal cavity in the rudder bearing housing. There should be no vertical scratches on the inside diameter of the cavity. Position the new lip seal over the cavity in the rudder bearing. Tap the new seal into place with a mallet or some other smooth object. Sometimes it is possible to lever the seal into place using the rudder shelf as a lever point. If a Spare Seal Housing is available, position the shoulder of the housing on top of the lip seal and tap the face of the spare seal housing until the new lip seal is seated into the rudder bearing. You will know when the lip seal is fully seated when the retaining ring groove is fully exposed. Reinstall the stainless retaining ring into its groove. Insert the Read Seal Protector (provided) into the lip seal at the top of the housing. Make certain the Red Seal Protector is fully inserted, covering the lip of the seal completely. Locate the area of the rudder stock that will contact the lip seal. Using 220 – 300 grit wet/dry sandpaper, polish this area of the rudder stock using a radial motion (around the shaft). Do not use an axial motion (up and down the shaft). The rudder stock may now be raised into position. Be careful not to dislodge the seal protector. Finish the job by inverting the Red Lip Seal Protector and placing it on top of the rudder bearing. This should prevent debris from falling onto the lip seal. 3251 SW 13 Dr. Deerfield Beach, FL. 33442 Tel: (800) 420-0949 (954) 420-0949 Fax: (954) 420-0949

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Replace Rudder Lip Seal-2

Changing Rudder Lip Seals Rudder HAS NOT Been Removed From the Boat If the rudder has not been removed, or if the rudder stock has not been lowered below the old lip seal, you can use one of the following three options to remove the old lip seal. 1) Insert a pick (or pointed tool) into the body of the lip seal and pry it out of the housing. Be careful not to scratch the rudder stock 2) Open the jaws of small needle nose pliers about 1/2” (10mm). Push the jaws into the body of the lip seal. Close the jaws and pull up. 3) Thread two self-tapping screws into the body of the lip seal. When they are...

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