There's a pair of seals inside some of the servo units. To gain access to them the unit must be cut open. When they start to fail the material will contaminate the oil.
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Jake Raby/www.flat6innovations.com
IMS Solution/ Faultless Tool Inventor
US Patent 8,992,089 &
US Patent 9,416,697
Developer of The IMS Retrofit Procedure- M96/ M97 Specialist
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