Operating manual
6.3.2
Pulsation dampener ........................................................................................................................ 20
6.3.3
Pressure gauge .............................................................................................................................. 21
6.3.4
Calibration pot ............................................................................................................................... 21
6.4
6.5
ELECTRIC MOTOR INSTALLATION ............................................................................................................ 22
6.5.1
Flexible joint coupling ..................................................................................................................... 22
6.5.2
6.6
DESIGN DATA CHECK .............................................................................................................................. 22
6.6.1
Environmental conditions ................................................................................................................ 22
6.6.2
Installation conditions ..................................................................................................................... 22
6.7
START-UP .............................................................................................................................................. 22
6.7.1
Checks before start-up .................................................................................................................... 22
6.7.2
Checks during operation ................................................................................................................. 23
6.7.3
Abnormal conditions ....................................................................................................................... 23
6.7.4
Prolonged stops ............................................................................................................................. 23
7.
ROUTINE MAINTENANCE ......................................................................................................................... 23
7.1
OPERATING PRECAUTIONS ..................................................................................................................... 23
7.2
7.3
PERIODIC OPERATIONS .......................................................................................................................... 24
7.3.1
Checks of normal operation ............................................................................................................. 24
7.3.2
7.3.3
7.3.4
7.3.5
Protection against corrosion ............................................................................................................ 24
7.3.6
7.3.7
Painting check (if foreseen) ............................................................................................................. 25
7.3.8
Lubricant oil check.......................................................................................................................... 25
7.3.9
Hydraulic oil system check .............................................................................................................. 25
7.4
RECOMMENDED SPARE PARTS ................................................................................................................. 25
7.4.1
7.4.2
7.5
7.5.1
7.5.2
7.6
7.6.1
Pumps type LY, LYH ....................................................................................................................... 26
7.6.2
Pumps type LK, LN, LP .................................................................................................................... 27
7.7
LUBRICANT OIL CHANGE ......................................................................................................................... 27
8.
SPECIAL MAINTENANCE .......................................................................................................................... 28
8.1
TECHNICAL DOCUMENTATION................................................................................................................. 28
8.2
8.2.1
Hydraulic oil system change ............................................................................................................ 29
8.2.2
Diaphragm rupture signaling ........................................................................................................... 29
8.2.3
Diaphragm condition check ............................................................................................................. 29
8.2.4
Diaphragm replacement .................................................................................................................. 29
8.2.5
Hydraulic system oil filling ............................................................................................................... 31
8.2.6
8.2.7
8.3
8.4
8.4.1
8.4.2
8.5
BEARINGS REPLACEMENT ....................................................................................................................... 35
8.5.1
Reassembling................................................................................................................................. 35
8.6
9.
OTHER INFORMATION ............................................................................................................................. 36
9.1
9.1.1
9.1.2
9.1.3
9.2
9.3
STORAGE FOR LONG PERIODS ................................................................................................................ 36
9.4
DISPOSAL AND DEMOLITION................................................................................................................... 36
File: UT-4336 - Rev.0
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X9 Series metering pumps
GB
Page 3