Traces of use on the black coating do not affect the anti-friction properties
(see the following illustration).
Fig. 7: Load-bearing bolt with traces of use – no greasing required
End of the service life of the "Comfort" rotor coating
When the coating has worn off nearly completely and the metallic surface
of the load-bearing bolt becomes visible (see the following illustration), the
anti-friction effect decreases. As a result, the buckets will swing out
irregularly, thereby potentially resulting in unwanted imbalance.
• From this moment on, the rotor must be used with greased load-bearing
bolts (heavy-duty grease for load-bearing bolts, ref. no. 71401) until it
reaches the end of its service life.
• Mark the rotor accordingly to prevent it from being used without grease
on the load-bearing bolts.
Fig. 8: Load-bearing bolt with completely worn-off coating – greasing required
Pos: 65 /010 Univers almodule/ Seitenw echsel @ 0\m od_1202116244 312_0.docx @ 105 @ @ 1
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