Operating manual GFZ / GFM / GEZ
Page 11 of 30
B0112
4.3 Function
The lubricant is absorbed through the suction hole of the gear pump. The move of the two
interdigitating gear pumps causes a pressure increase of the lubricant. The lubricant is
delivered from the gear pump aggregate to the connection for the pressure line.
The pump units of the GFZ series include pressure relief valves. With these pressure relief
valves, the maximum pressure in the feed pipe can be adjusted.
The pump units of the GFZ series include pressure relief valves. With these pressure relief
valves, the maximum pressure in the feed pipe is adjusted.
5. Safety notes
5.1 Basic principle
The pump unit leaves the factory in flawless condition and ensures high technical safety.
The pump unit is in conformity with the rules of technology and the applicable safety and
health regulations. Nevertheless, in case of incorrect operation or misuse, risks are
threatening to the:
lives and bodies of the users or third parties,
pump unit or other operator assets,
efficient use of the pump unit.
5.2 Requirements on user training
Any person getting to work on the pump unit must be authorised and trained for that purpose
by the operator. They must be able to recognise and avoid potential risks. This also includes
knowledge in the accident prevention regulations, first-aid measures, and local rescue
facilities.
The unit may be inspected, maintained and repaired by technically skilled
personnel with product-specific training only.
Work on electric facilities may be performed by skilled electricians in
conformity with DIN VDE 1000-10 only.
Qualified personnel with product specific education is responsible for the planning and
controlling of the work.