DGUV Information 209-071 - Safe maintenance of hydraulic systems (DGUV Informati...

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Abschnitt 4.5, 4.5 Pumps and hydraulic motors
Abschnitt 4.5
Safe maintenance of hydraulic systems (DGUV Information 209-071)
Titel: Safe maintenance of hydraulic systems (DGUV Information 209-071)
Normgeber: Bund
Amtliche Abkürzung: DGUV Information 209-071
Gliederungs-Nr.: [keine Angabe]
Normtyp: Satzung

Abschnitt 4.5 – 4.5 Pumps and hydraulic motors

When replacing hydraulic pumps and motors, large quantities of hydraulic fluid can leak out. In order to prevent the slip hazard, appropriate collection containers (see figure 19) have to be kept at hand.

Connections and attachments of the depressurized hydro pump or the hydro motor have to be loosened in accordance with the manufacturer's instructions. In order to avoid confusions, connections and lines have to be marked before disconnecting them. Openings of lines and motor-side flanges have to be protected against contaminations.

Installing, filling, starting-up, venting, and adjusting hydraulic pumps and motors should be carried out in accordance with the manufacturer's details in the operating instructions. The direction of rotation of the pump has to be observed during the installation procedure. When installing the electric motor, care must be taken to ensure the proper electric connection (rotating field).

Fig. 19 Mobile hydraulic pump in an oil drip pan

When assembling pump, suction line, and tank it has to be observed that the suction filter is installed properly.

The safeguarding equipment has to be re-installed before commissioning.