7 Servicing/Maintenance
78 of 116
CHTRa
What/where
How
Work
Time intervals
Mechanical seal
See the manufacturer's
product literature.
See the manufacturer's
product literature.
See the manufacturer's
product literature.
Pressure gauges
(if applicable)
Perfect condition: no
mechanical damage.
If applicable: electrical
connections intact. Proper
functioning: local measured
value indication available
Replace defective
equipment;
see the manufacturer’s
product literature
Every 3 months;
see the manufacturer's
product literature
Differential pressure gauge
(if applicable)
Perfect condition: no
mechanical damage,
electrical connections
intact.
Check the switching points.
Temperature measuring
instruments
(if applicable)
Perfect condition: no
mechanical damage.
If applicable: electrical
connections intact.
Proper functioning: local
measured value indication
available
Check the switching points.
Vibration measurement
(if applicable)
Perfect condition: no
mechanical damage on
sensor.
If applicable: electrical
connections intact.
Proper functioning: local
measured value indication
available
Shaft position monitoring
(if applicable)
Perfect condition: no
mechanical damage on
sensor.
If applicable: electrical
connections intact. Proper
functioning: local measured
value indication available
7.2.3 Maintenance work
7.2.3.1 Changing the oil
After a standstill > 12 months, check the oil quality. If required, clean or replace the
oil.
Oil sight glas
1. Remove the screwed plug 13 B.1 and/or 13 B.2, completely drain off the oil fill
and dispose of in accordance with the local anti-pollution regulations.
2. Screw the screw plug incl. seal in again.
3. Remove breather diaphragm 823.
4. Fill in oil through the opening until the oil level can be clearly seen at the oil
level sight glass 642.
5. Re-insert breather diaphragm 823 with gasket 400.
