814 Repair Manual — Volume I — Page 427

2 OPERATION Wo 0.640-0 : Checking adjusting the air conditioning system (cooling system) IMPORTANT NOTE The operating instructions (ref. 7 407 400) supplied with the $.0.G.E.V. vacuum pump must be consulted before Starting up the latter, and for matters concerning its maintenance and repair. The incorrect connecting up of the electric motor, or starting the vacuum pump without "G" oil would bring about deterioration of the components.