Varisco S.p.A.Z.I. Nord - Terza Strada, 9 - 35129 PADOVA – ITALYTel.+39.049.8294111 Email: export@variscospa.comFax+39.049.8076762 Web: www.variscospa.com1INSTRUCTIONS FOR THE USE ANDMAINTENANCE OF VARISCO “M”SERIES PROGRESSING CAVITY PUMPSSUMMARY1 PREMISE 31.1 CE MARKING 31.2 NOISE 31.3 SAFETY WARNINGS 31.4 PERSONNEL QUALIFICATION AND TRAINING 31.5 TRANSPORT 31.6 STARTUP, USE AND MAINTENANCE 31.7 REPAIRING 41.8 RISKS IN THE EVENT OF NON-COMPLIANCE WITH SAFETY WARNINGS 41.9 SAFE WORKING 41.10 WARNINGS CONCERNING THE SAFETY OF THE OPERATOR/USER 41.11 WARNINGS CONCERNING SAFETY DURING MAINTENANCE, INSPECTION AND ASSEMBLY 41.12 TRANSFORMATION AND ARBITRARY PRODUCTION OF SPARE PARTS 41.13 PROPER USE 41.14 SPECIFIC WARNINGS FOR PROGRESSING CAVITY PUMPS 52 FUNCTIONING 53 BRIEF DESCRIPTION OF THE PRODUCT 63.1 MAIN TECHNOLOGICAL FEATURES OF PROGRESSING CAVITY PUMPS 63.2 CLASSIFICATION 63.3 MOTORS 63.4 AVAILABLE CONFIGURATIONS 74 COMPONENTS OF THE PRODUCT 74.1 ROTOR 74.2 STATOR 74.3 COUPLINGS 74.3.1 BEARING HOUSING COUPLING 74.3.2 CLOSED COUPLING 84.4 CONNECTING ROD JOINTS 84.5 SEALING SYSTEMS 84.6 ACCESSORIES 84.6.1 DRY-RUN PROTECTION 84.6.2 PROTECTION AGAINST DELIVERY OVERPRESSURE 94.6.3 RETURN VALVE IN DELIVERY 94.6.4 ELECTRIC BOARD 95 PACKING, TRANSPORT, STORAGE 95.1 PACKING AND TRANSPORT 95.2 STORAGE 106 ELECTRIC CONNECTION – PIPELINE CONNECTION 106.1 INSTALLATION OF MOTOR 106.1.1 ELECTRIC CONNECTION 106.1.2 PUMP-MOTOR COUPLING 106.1.2.1 CLOSE COUPLED VERSION 106.1.2.2 BEARING HOUSING VERSION (WITH ELASTIC JOINT) 116.1.3 DIRECTION OF ROTATION 116.2 PIPE ASSEMBLY 126.2.1 IMPORTANT PREMISE 126.2.2 MAX ALLOWED PRESSURE 126.2.3 USEFUL ADVICE 12