Doseuro D Series - Page 4

XMPE0PCG125NST020 1st edition - 2020
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8.1 – Pulsation dampener ............................................................................................................................... 34
8.2 - Pressure gauge ....................................................................................................................................... 34
8.3 - Safety relief valve .................................................................................................................................... 34
8.4 - Sampling or draining ............................................................................................................................... 34
8.5 - Filter ....................................................................................................................................................... 34
8.6 - Flowmeter ............................................................................................................................................... 34
8.7 - Back pressure valve ................................................................................................................................. 35
8.8 - Shut-off valve in the discharge pipe ......................................................................................................... 35
9 - LUBRICATION .................................................................................................................................................... 35
10 - ELECTRICAL CONNECTION ............................................................................................................................... 36
10.1 - MOTOR CONNECTION ..................................................................................................................................... 36
11 - PUMP ADJUSTMENT ....................................................................................................................................... 37
11.1 - STROKE VARIATION WITH MANUAL SYSTEM .......................................................................................................... 37
11.2 - STROKE VARIATION WITH SERVO CONTROL ........................................................................................................... 37
12 - OPTIONAL ACCESSORIES ................................................................................................................................. 38
12.1 - CONTROL WITH INDUCTIVE PROXIMITY SENSOR ..................................................................................................... 38
13 - PROCEDURE BEFORE START-UP ...................................................................................................................... 38
13.1 - COMMISSIONING ........................................................................................................................................... 38
13.2 - PROBLEMS UPON COMMISSIONING .................................................................................................................... 38
14 - MAINTENANCE ................................................................................................................................................ 39
14.1 – PUMP MAINTENANCE, REPAIRS ......................................................................................................................... 39
14.2 - PROCEDURES FOR MAINTENANCE INTERVENTION ................................................................................................... 39
14.3 - RESIDUAL RISKS ............................................................................................................................................. 40
14.4 - SPARE PARTS LIST ........................................................................................................................................... 40
14.5 - PREVENTIVE MAINTENANCE .............................................................................................................................. 40
14.5.1 - Noisy mechanics with vibrations ........................................................................................................ 40
14.5.2 - Electric motor ..................................................................................................................................... 40
14.5.3 - Checking the flexible coupling ............................................................................................................ 40
14.5.4 - Checking the pump flow rate .............................................................................................................. 41
14.5.5 - Pressure ............................................................................................................................................. 41
14.6 - ROUTINE MAINTENANCE .................................................................................................................................. 41
14.7 - VALVE UNIT CLEANING .................................................................................................................................... 41
15 - MAINTENANCE OF DOSING PUMP HEADS ...................................................................................................... 42
15.1- MAINTENANCE OF PISTON PUMP HEADS A ............................................................................................................ 42
15.1.1 - Piston seal check and replacement ..................................................................................................... 42
15.1.2 - Pump head with gasket washing ........................................................................................................ 42
15.1.3 - Replacement of the "PTFE" gasket pack ............................................................................................. 43
15.1.4 - adjustment and compression of "PTFE" gaskets ................................................................................. 43
15.1.5 - Intermediate maintenance ................................................................................................................. 43
15.2 - MAINTENANCE OF DIRECT DIAPHRAGM PUMP HEADS TYPE D .................................................................................... 44
15.3 - MAINTENANCE OF TYPE B HYDRAULIC DIAPHRAGM PUMP HEADS .............................................................................. 45
15.3.1 - Operations to be performed on the Type B pump head....................................................................... 45
15.3.2 - Pump head disassembly and diaphragm replacement ........................................................................ 45
15.3.3 - Piston disassembly and reassembly .................................................................................................... 45
15.3.4 - Filling the oil reservoir ........................................................................................................................ 46
15.4.5 - Routine maintenance ......................................................................................................................... 47
15.4 - MAINTENANCE OF TYPE BR HYDRAULIC DIAPHRAGM PUMP HEADS ............................................................................ 48
15.4.1 - Operations to be performed on the Type BR pump head .................................................................... 48
15.4.2 - Recirculation vessel calibration and oil filling ..................................................................................... 48
15.4.3 - Pump head disassembly and diaphragm replacement ........................................................................ 49