Rotary Seal Design Guide - Seals Unlimited

Catalog EPS 5350/USAEngineeringParker Oil Seal Installation1. Clean seal bore and shaft and remove allburrs and nicks.2. Pre-lubricate the seal ID and shaft beforeinstalling the seal into the cavity. Use a pre-lubethat is compatible with the system lubricant. Thepre-lube will make the seal easier to install andprevent dry running during initial start-up.3. Protect seal lip against damage from sharpkeyways, splines and screw threads. This can bedone by either taping the keyway, inserting anelement into the keyway or using an assemblysleeve that fits over the shaft.4. Point seal lip in correct direction and push toedge of the counterbore.Parker Oil Seals5. Slide the seal over the shaft to the sealhousing. With finger pressure, start seal intohousing with a slight rotating motion until seal hasa light press fit in the housing. Be sure seal issquare or perpendicular to the shaft. If the seal iscrooked or cocked, continuing with installation willdamage the seal.6. Finish installation by using a tool appropriatefor your seal/housing configuration. Drive seal tofinal position. If using a plate, the plate diametershould be large enough so it contacts the face ofseal housing. This will ensure seal is positionedstraight and perpendicular to the shaft.66Through bore — Installation toolbottoms on shaft faceThrough bore — Installation tool bottomson machined housing faceConed assembly sleeveStepped bore — Seal bottoms onmachined bore shoulderStepped bore — Seal flushwith bore face03/28/066-4 Parker Hannifin CorporationEPS DivisionToll Free: (800) 233-3900www.parkerseals.com