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4. MAINTENANCE
4.2.2 Maintenance Level 2 (ML-2)
ML-2
is recommended to only be performed by qualified maintenance technicians as defined in Section
1.1 "Safety Notes" on page 1.
STEP 1) Sanitary Inspection
In order to inspect the product contact area, the pump housing needs to be removed by unthreading the
FOUR (4) bolts in Pos. 1016. The spindles, the mechanical seals, the seal housing and the pump housing
with pump face can be inspected from every angle.
STEP 2) Oil Inspection/Sampling and/or Oil Change
A) The first oil change is required after 250 hours. This is known as the break-in period.
B) It is recommended to sample the oil every 3 months after the first oil change and exchange it accordingly
with the recommended oil. Based on the humidity of the environment, the oil can degrade more or less
quickly depending on amount of starts and stops the pump is exposed to. Repeated start/stopping heats
and cools the bearing housing, which sucks in outside air and mositure into the gear housing.
STEP 3) Exchange Mechanical Seal
Please follow the steps outlined in Subsection 4.4.2 "Complete Pump Disassembly" on page 51.
STEP 4) Gapping the Pump
In case the spindles touch each other after a pump cleanup because foreign material entered the pump
housing, the pump needs to be gapped. Please follow Subsection 4.5.8 "Proper Gapping of Pump" on page
68.
Page 44
PROCESSTEC INC. 2022
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