WHEELS, RIMS AND TIRESWiper Ring (Oil Lubricated Bearings)1.Apply a thin coat of Loctite Gasket Eliminator(purple) to shoulder on spindle or axle tube, andplace wiper ring on axle tube or spindle using aninstalling tool (Figure 20). Remove excessGasket Eliminator sealant.Figure 20. - Installing Wiper Ring on Axle ShoulderThe care with which the axle ring is Installedcannot be over-emphasized. Damage to thisring will result in shortened seal life.2.Tap on end of axle tool driving axle ring firmly onshoulder until axle tool contacts shoulder.3.Check position of axle ring to make sure edge ofring is parallel with shoulder.Lip Type Seal (Grease Packed Bearings)Lip Type Seal With Wiper Ring (Oil LubricatedBearings) - Not Guardian Oil SealsThe following instructions pertain to lip type wheel sealused with grease lubricated bearings as well as lip typeseals with wiper ring used with oil lubricated bearings.1.Apply a thin coat of Loctite Gasket Eliminator(purple) hub seal bore. The coating must bevery light, yet cover press fit area. GasketEliminator should never be allowed to contact lipof seal nor contaminate oil.2.Lay wheel flat on a steady surface with brakedrum up. Place inner wheel bearing into bearingcup and place hub seal Into starting position onhub.3.Install hub seal using SE-1905 Installer Set toprevent cocking seal (Figure 21). Select the sizedisc which will apply force to outer edge of hubseal and prevent seal from becoming distortedor damaged.Figure 21.Drive hub seal into hub until it bottoms in hub bore. Donot continue to drive after seal is once seated as this willdistort or damage the seal. After removal of seal installertool, clean off excess Gasket Eliminator. Be sure toconfirm uniform seating of seal (Figure 22).Figure 22.Unitized Scot Seal1.If seal is being changed to a unitized seal fromanother type, remove wear rings if present. Donot use a chisel to remove wiper ring since thechisel could mar the axle. Use a ball peenhammer and tap the ring lightly on the seal lipsurface. Do this in a small area, causing the ringto expand, and allowing the ring to slip off theaxle housing.CTS-4148APage 11
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