KRAL C Series - Installing the Radial Shaft Seal

12 Servicing
12.5 Replacing the radial shaft seal (inner bearing)
12.5.2 Installing the radial shaft seal
Personnel qualification: o Fitter
Personal protective equipment: o Work clothing
o Protective gloves
o Safety boots
Aids: o Tool set, radial shaft seal Ä Spare parts,Page56
o Thread sealant (for example Loctite 572)
o Molybdenum disulphide paste (for example Fenkart T4)
Notice The thread sealant serves during installation of the radial shaft seal as a lubricant, and after it has
cured as an anti-rotation measure.
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1. Ensure that all parts of the radial shaft seal are dismantled so that the supporting ring18 with
circlip19 are visible on the shaft of the main screw1.
2. Clean the main screw around the mechanical seal carefully and grease it, and push the mounting
sleeve main screwB onto the main screw.
3. Carefully clean the fitting surface of the radial shaft seal in the seal housing3.
4. Apply thread sealant (for example Loctite 572). Ensure that no thread sealant comes into contact
with the sealing lip.
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5. Ensure that the mounting arbour radial shaft seal ringE contacts the support of the radial shaft
seal ring completely and that there are no sharp edges in the area of the sealing lip.
Operating instructions
OIC 18en-GB Edition 2020-01
37