Manual

09958-12.2014-DGbFEIRu

4| Compressor assembly

4.6 Operating the shut-off valves

Before opening or closing the shut-off valve, release the valve spindle seal by approx. ¼ of a turn

counter-clockwise.

After activating the shut-off valve, re-tighten the adjustable valve spindle seal clockwise.

Pipe connection

4.7 Operatingmodeofthelockableserviceconnections

Fig. 17

Opening the shut-off valve:

Spindle: turn to the left (counter-clockwise) as far as it will go.

—> Shut-off valve completely opened / service connection closed.

The connection which cannot be shut off is intended for safety devices.

Fig. 18

Opening the service connection

Spindle: Turn ½ - 1 turn to the right clockwise.

—> Service connection opened / shut-off valve opened.

The connection which cannot be shut off is intended for safety devices.

Service connec-

tion closed

Connection

blocked

Spindle

Connection cannot be

shut off

Connection cannot be

shut off

Service connec

tion opened

Spindle

Connection

open

Compressor

Fig. 15

Fig. 16

Valve spindle seal

Release

Tighten