Start­up At Low Temperatures; Type Fitted With Flanged­on Pump; Type Fitted With Motor Pump; Bearing Monitoring (Vibration Measurement) - Siemens Flender H2NV Series Assembly And Operating Instructions Manual

7.2.4 Start­up at low temperatures
Gear units with pole­reversing or frequency­controlled motor must be started with minimum speed.
7.2.4.1 Type fitted with flanged­on pump
In case of oil­sump temperatures lower than ­ 16 °C the gear units must be heated up.
To do so, only the fitted heating elements may be used.

7.2.4.2 Type fitted with motor pump

The motor pump must be started at least 2 minutes before starting up the gear unit.
7.2.5

Bearing monitoring (vibration measurement)

If the necessary measures have been made for vibration measurement as bearing
monitoring (see item 5.13), vibration measurements must be taken in order to obtain
initial values and/or standard values for the diagnosis. These measurements must be
recorded and filed.
7.2.6

Heating

Never switch the heating on, unless complete immersion of the heating elements in the
oil bath is ensured. Fire hazard!
The correct setting of the switch points must be checked!
7.2.7

Checking procedure

The following visual checks must be conducted and recorded when starting up:
Presence of explosion­protection marking
Oil level
□
Opening condition of the shut­off valves
□
Effectiveness of the shaft seals
□
Freedom of the rotating parts from contact
□
Additionally, the tension pressures or pretensioning forces in accordance with item 6.3.2.1 must also be
recorded in this document.
The document must be kept with the instructions.
BA 5060 EN 04/2011
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