Maintenance Level 3 (Ml-3) - PROCESSTEC ViscoTwin 130 G8 Operation & Maintenance Manual

4. MAINTENANCE

4.2.3 Maintenance Level 3 (ML-3)

ML-3
is recommended to only be performed by a specialized shop that handles bearing exchange and
pump testing like .
Processtec
STEP 1) Timing
In very rare cases the pump needs to be timed. Timing is necessary when the gearwheel space is too small
for gapping. The gearwheel needs to be moved by one tooth. Timing is always necessary after a bearing
exchange.
STEP 2) Bearing Fatigue
Exchange all bearings with the correct tools only by a specialized shop. For more information on Bearing
Fatigue, please see Section 6.4 "Maximizing Bearing Lifespan" on page 108.
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