M&C TEC1 Series Operation Manual page 72

Inspect the following
pump components
Pump
Capacitor
Bellows and valve plates
Connecting rod bearings
Motor bearings
Fittings, connections, inlets
Equipotential bonding
Additional components, ac-
cessories
Note
24
Action
Check pump for external damages and any leakage in regular inter-
vals, at least two times per year.
Check the conditions of the adhesive covers of the vents in regular
intervals. Replace capacitor with damaged adhesive cover.
Replace at least when performance of the pump decreases.
The valve plates need to be replaced, when they are < 1.6 mm
Need to be replaced after 20 000 operating hours or 24 month of
operation, whichever occurs first.
Need to be replaced after 20 000 operating hours or 24 month of
operation, whichever occurs first.
Check in suitable intervals.
Replace when damaged with original parts in perfect condition.
Check equipotential bonding between pump enclosure and motor.
The equipotential bonding needs to be lower than 0.3 Ohm. Use lock
washers for the screws.
During maintenance, any upstream filters, separators or coolers
must be checked for proper functioning.
If there are any damages to the connection rod, e.g. a loose threaded
pin M8 or loose ball bearings, the complete unit with connection rod
and bearings need to be replaced (see chapter 17 for more details)
The eccentric is glued to the motor shaft by using Loctite 270. This
connection is additionally secured by a set screw.
MP- 4.01 www.mc-techgroup.com