Cleaning And Maintenance; Rotavac Valve Control Rotavac Valve Tec, Rotavac Vario Control And Rotavac Vario Tec; Maintenance Required; Replace Diaphragm And Valve - Heidolph ROTAVAC valve control Mode D'emploi

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For cleaning, wipe housing with a damp cloth (add some sort of mild liquid soap)..

NOTE: To avoid damage to surface finish, avoid using chlorine bleach, chlorine-

based cleaners, abrasive substances, ammonia, rags or cleaning pads containing

metallic particles.

VAC control automatic and Switchbox run maintenance free. Repair work is limited to engineers

authorized to do so by HEIDOLPH. To this end get in touch with your local HEIDOLPH dealer or

field representative.

13. ROTAVAC valve control ROTAVAC valve tec, ROTAVAC

vario control and ROTAVAC vario tec

13.1.

Maintenance required

All Heidolph Vacuum Pumps require cleaning and maintenance to clean out chemical build up from

solvents not distilled. We recommend a weekly rinse, or more depending on use, with Acetone or

equivalent to break up and clean out solvent.

Disconnect all tubes and switch ON the pump. Slowly drip Acetone into the INLET nozzle of the

operating pump. The cleaning solvent will be distributed through the pump valves and along the

diaphragms, removing remains. Please ensure that your cleaning solvent exiting the pump is

collected in a vessel at the OUTLET nozzle.

ATTENTION:

Be careful not to use too large of a quantity of cleaning solvent in the pump, which

will cause damage to the pump

13.2.

Replace diaphragm and valve

All bearings are sealed hermetically and do not need any more lubrication. The pump itself is

maintenance-free. Valves and diaphragms are wear parts. As soon as pressure drops you should

clean and check housing, diaphragms and valves for cracks.

From case to case it make sense to clean and inspect pump heads in regular intervals. Normal

service life of diaphragms and valves is > 8000 hours.

Continuous feeding of fluids and dust will harm diaphragm and valves. Avoid condensation in

pump, as well as accumulation of dust.

Pumping corrosive gasses and vapors or in case of deposits in the pump, such maintenance work

should be done more frequently (by user's experience).

Regular maintenance will increase pump's service life and protect operator and environment.

Before connecting maintenance work, disconnect pump from system, and pull mains plug. Allow

pump to chill. Take adequate action to avoid pump running in disassembled condition.

Did you pump hazardous or corrosive gasses ?

Take precautions (protective garments and goggles), to avoid breathing and skin contact.