Heidolph ROTAVAC valve control Instruction Manual page 69

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Proper location and orientation of cover and valves are mandatory.

pump head with covers and valves

output end

(cylindrical,

central

orifice below

valve)

Install lid.

Make sure lid is seated properly.

Pull 6 ea. hex. recessed bolts hand-tight diagonally,

thereafter torque to 6 Nm.

Install flexible connection (only ROTAVAC vario control):

Install fitting in hose with box-end spanner (SW 15).

Pull coupling ring right by hand; thereafter make one more

turn with box-end spanner.

Pump does not reach final pressure specified:

After having replaced diaphragm or valves, pump will need several hours until reaching the

pressure specified.

If after having replaced diaphragm or valves, actual values are off nominal, nothing will change by

breed-in.

input end

(kidney-shaped

orifice beside

valve)

motor valve

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