Rotary oil seals-Mechanical influences-damaging&leadkage after assembling

Failure mode

mechanical damaging
of seal / leakage after assembling

Failure cause

sharp edges at shaft and housing chamfers

seal damaged during assembling

Remedial measures

refinish seal housing / mating surfaces

use suitable installation tools

Failure mode

damaging of seal / leakage after 

assembling

Failure cause

seal damaged during assembling

Remedial measures

professional assembling

Failure mode

Mechanical damaging of seal / leakage 

after assembling

Failure cause

seal damaged during assembling

Remedial measures

professional assembling

Failure mode

mechanical damaging of seal / leakage after 

assembling

Failure cause

seal damaged during assembling

Remedial measures

consider assembling instructions ( see DIN 3760 and DIN 3761)