A. Inspection of external leakage
1. Deep - groove ball bearing and rotary shaft lip seal on turbine shaft
1.1 Leakage on relief well
In case there is a recognisable leakage on the relief well or in the turbine housing, it must be
looked for the reason of the malfunction in the rotary shaft lip seal. In the majority of cases as
consequence of the leakage, the deep-groove ball bearing in the turbine housing and partial
the deep-groove ball bearing in the gear wheel is damaged (please check leakage monthly).
1.2 Radial tolerance on turbine shaft
In case it appears a radial clearance on the turbine shaft (that can be determined on the
turbine wheel if the turbine cover is screwed off) the cause is always a defect
deep-groove ball
bearing in the turbine housing (Examination twice a year).
Relief Well
Содержание Tracker T-400
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