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Operating manual X9 Series metering pumps

6.3.2

Pulsation dampener ........................................................................................................................ 20

6.3.3

Pressure gauge .............................................................................................................................. 21

6.3.4

Calibration pot ............................................................................................................................... 21

6.4

EXAMPLE OF PLANT FOR METERING PUMPS ............................................................................................. 21

6.5

ELECTRIC MOTOR INSTALLATION ............................................................................................................ 22

6.5.1

Flexible joint coupling ..................................................................................................................... 22

6.5.2

Check and change the direction of rotation ....................................................................................... 22

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

ROUTINE MAINTENANCE ......................................................................................................................... 23

7.1

OPERATING PRECAUTIONS ..................................................................................................................... 23

7.2

CONSULTING TECHNICAL DOCUMENTATION ............................................................................................ 24

7.3

PERIODIC OPERATIONS .......................................................................................................................... 24

7.3.1

Checks of normal operation ............................................................................................................. 24

7.3.2

Checks of electrical connections ....................................................................................................... 24

7.3.3

Checks of pump connection to plant pipeline .................................................................................... 24

7.3.4

General and surface cleaning........................................................................................................... 24

7.3.5

Protection against corrosion ............................................................................................................ 24

7.3.6

Verification of thermal protections ................................................................................................... 25

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

Pumps with PLASTIC material pumphead ......................................................................................... 25

7.4.2

Pumps with METALLIC material pumphead ....................................................................................... 25

7.5

DISMANTLING, REPLACEMENT AND REASSEMBLY ..................................................................................... 25

7.5.1

Personnel qualifications - Customer service ....................................................................................... 26

7.5.2

Disconnecting electrical connections................................................................................................. 26

7.6

VALVE VERIFY AND/OR REPLACEMENT ..................................................................................................... 26

7.6.1

Pumps type LY, LYH ....................................................................................................................... 26

7.6.2

Pumps type LK, LN, LP .................................................................................................................... 27

7.7

LUBRICANT OIL CHANGE ......................................................................................................................... 27

SPECIAL MAINTENANCE .......................................................................................................................... 28

8.1

TECHNICAL DOCUMENTATION................................................................................................................. 28

8.2

HYDRAULIC SYSTEM MAINTENANCE ........................................................................................................ 28

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

Pumphead tightening torque values ................................................................................................. 33

8.2.7

Pumps with plastic material pumphead: Recommendations ................................................................ 33

8.3

DIAPHRAGM RUPTURE DETECTOR RESETTING ......................................................................................... 34

8.4

PUMPS TYPE LN, LP: KNOB ADJUSTMENT FRICTION SETTING ................................................................... 34

8.4.1

Increase the adjustment friction ...................................................................................................... 34

8.4.2

Reduce the adjustment friction ........................................................................................................ 34

8.5

BEARINGS REPLACEMENT ....................................................................................................................... 35

8.5.1

Reassembling................................................................................................................................. 35

8.6

CHANGE OF INTERNAL SAFETY VALVE SET PRESSURE .............................................................................. 35

OTHER INFORMATION ............................................................................................................................. 36

9.1

FAULTS AND OPERATING PROBLEMS ....................................................................................................... 36

9.1.1

Flowrate lower than expected .......................................................................................................... 36

9.1.2

Flow rate irregular or higher than expected ...................................................................................... 36

9.1.3

Overheating of pump body and/or motor .......................................................................................... 36

9.2

DISCONNECTION FROM THE PLANT AND SENDING TO OBL FOR MAINTENANCE ......................................... 36

9.3

STORAGE FOR LONG PERIODS ................................................................................................................ 36

9.4

DISPOSAL AND DEMOLITION................................................................................................................... 36

10.

MANDATORY INSTRUCTION FOR RETURNING GOOD IN OBL ............................................................... 37

Brand	OBL
Model	X9 Series
Category	Water Pump
Language	English

OBL X9 Series User Manual

Table of Contents

Questions and Answers:

OBL X9 Series Specifications

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