Search Keywords Category - Any -About VikingHygienic ApplicationsAsphaltCartridge SealChocolateNatural Gas DehydrationLACTJust for FunService Quick TipsPumping PrinciplesPump ReportPacking SealO-Pro® SealMechanical SealRotary Lobe RepairLip SealInternal Gear RepairAbrasive ApplicationsHow It WorksHot ApplicationsFood & Beverage ApplicationsFeatured ProductsExternal Gear RepairComplete Service & RepairCircumferential Piston RepairApplicationsVane Repair Segment - Any -EnergyHygienicIndustrial Apply Reset 75 Series™ | Repair and Lip Seal Replacement Learn how to disassemble, replace lip seals, and reassemble Viking Pump's G, GG, H, HJ, and HL size 75 Series™ internal gear pumps. Visit vikingpump.com to learn more. Internal Gear Repair, Lip Seal, Complete Service & Repair Pump Report | Lip Seals One of the most critical parts of any rotary pump is the shaft seal. In part 3 of our 5 part series on seals we take a closer look at lip seals. Pump Report, Lip Seal