Lincoln ZPU 08, Operating Instructions Manual, Page: 46 / 57

Operating Instructions
Pump ZPU 08 ATEX
810-53711-1 Page 46 / 57
Rev.: 003
31/07/2017
10.4. SEW motor maintenance
For further relevant information on maintenance, see original Instructions by the
motor manufacturer.
Activity
Interval
Check the airways and
surfaces Depending on the local degree of contamination, at
the latest, however, every 4 weeks
Initial inspection After about 500 operating hours, at the latest,
however, after 1/2 a year.
Ball bearing/ radial sealing
ring Check and, if necessary, replace every 10,000
operating hours
Re-lubrication / oil change Re-lubrication interval, grease volume and grease
quality

see type identification respectively
lubrication plate of the motor
Main inspection After about 10,000 operating hours, at the latest,
however, after 1 year.
10.5. Measurement of the insulation resistance
Before the first start-up and after longer downtimes measure the insulation
resistance following the standards (e. g. VDE 0100 / DIN EN 61557-1:2007) valid in
the country of use.
If the insulation resistance falls below the required minimum value, determine and
eliminate the cause (e.g. appropriate drying of the coil, etc.).
10.6. Maintenance of gear unit
Capacitive sensor:
The capacitive sensor is maintenance-free. Repairs are not possible.
DANGER
Electric shock
Do not touch the terminals when measuring the
insulation resistance. If necessary, wear insulating
gloves. Observe the manual of the insulation
measurement device.
NOTICE
Risk of damage to the motor
The voltage applied for the insulation test must not exceed 500
V.