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Voith Turbo H + L Hydraulic GmbH & Co. KG
25000057510-TED-ENX-04
15 Maintenance
This section describes the maintenance of pumps.
Maintenance and repair work on the pump must only be carried out by authorized
Voith personnel. To ensure trouble-free operation of the pump, make sure that the
permitted operating conditions are maintained. In particular, ensure that the oil is
clean and the permitted temperature range is adhered to.
The operator should create a maintenance plan for the entire system.
The maintenance criteria and intervals are dened by the operator.
If a hydraulic system malfunctions during operation, there are various signs that
indicate the hydraulic pump is starting to wear:
• Increase in input power
• Increase in pump operating noise
• Increase in cycle time / decrease in operating speed
• Loss of pressure before reaching the consumer
• Increase in the pressure uid temperature difference between input and
output the pump with a xed cooling water quantity
• Increase in the difference between the pump housing temperature and operating
uid inlet temperature
We recommend replacing the seals after a maximum operating time of 5 years.
Internal gear pumps
Maintenance
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