Multitech 1777.8/7-10 G3 operating instructions Multitec Contents

Page 2

Multitec

Contents

 

 

Page

1

General

4

2

Safety

4

2.1

Marking of instructions in the manual

4

2.2

Personnel qualification and training

4

2.3

Non-compliance with safety instructions

4

2.4

Safety awareness

4

2.5

Safety instructions for the operator / user

5

2.6Safety instructions for maintenance,

inspection and installation work

5

2.7Modification and manufacture of spare parts

 

by customer

5

2.8

Unauthorized modes of operation

5

3

Transport / Storage

5

3.1

Transport / Handling

5

3.2

Storage / Preservation

5

4Description of the product and

 

accessories

6

4.1

Technical specification

6

4.2

Designation

6

4.3

Design details

6

4.4

Applications

6

5

Installation at site

7

5.1

Safety regulations / Special instructions

7

5.2Foundation / Checks to be carried out prior to

 

installation

7

5.3

Installing the pump/unit

7

5.3.1

Aligning the pump / drive

8

5.4

Connecting the piping

9

5.4.1

Vacuum balance line

10

5.5

Connection to power supply

10

5.5.1

Connecting the motor

10

5.5.2

Setting the time relay

10

5.5.3

Checking the direction of rotation

10

6

Commissioning, start-up / shutdown

11

6.1

Commissioning

11

6.1.1

Lubricants

11

6.1.2

Priming the pump and checks to be carried

 

 

out

11

6.1.3

Contact guard

12

6.1.4

Connection to power supply

12

6.1.5

Start-up

12

6.1.6

Shutdown

12

6.1.7

Final check

12

6.2

Operating limits

12

6.2.1

Temperature of fluid pumped

12

6.2.2

Switching frequency

13

6.2.3

Minimum flows

13

6.2.4

Density of fluid pumped

13

6.3

Shutdown / storage / preservation

13

 

 

Page

6.3.1

The unit / pump remains installed; periodic

 

 

check of operation

13

6.3.2

The pump is removed from the pipe and

 

 

stored

13

6.4

Returning to service after storage

13

7

Servicing / maintenance

14

7.1

General instructions

14

7.2

Servicing / inspection

14

7.2.1

Supervision of operation

14

7.2.2

Bearings and lubrication

14

7.2.3

Shaft seal

15

7.2.4

Coupling

15

7.3

Dismantling

15

7.3.1

General instructions

15

7.3.2

Preparations for dismantling

15

7.3.3

Dismantling the bearings

16

7.3.4

Dismantling and replacement of shaft seals

18

7.3.5

Dismantling the mechanical seal

18

7.3.6

Dismantling the hydraulic system

20

7.3.7

Recommended spare parts stock for 2 years’

 

 

continuous operation

20

7.4

Reassembly

20

7.4.1

Tightening torques - Tie bolts (part No. 905)

21

7.4.2

Reassembly of hydraulic system

21

7.4.3

Shaft seals

21

7.4.4

Bearings

22

7.5

Re-adjusting the clearance gaps

25

7.5.1

Max. clearance gaps

25

7.5.2

Repairs

25

8

Trouble-shooting

26

9

General assembly drawings

27-29

9.1

List of components

30

Tightening of shaft nuts on Multitec pumps

23

Adjusting dimensions for coupling alignment,

 

pump sizes 32 to 65, versions E, Ex, F, Fx, V, Vx

31

2

Image 2
Contents Works No Type series High-pressure pumps in ring-section designOperating instructions 1777.8/7-10 G3 Multitec Contents Section Adjusting dimensions for coupling Multitec IndexSafety Multitec GeneralMultitec Transport, storageAccessories Description ProductInstalling the pump/unit Multitec Installation at siteFoundation / Checks to be carried out prior to installation Close-coupled pumpsThread Strength Drive Non-drive End Aligning the pump / drive Coupling guardBe tightened to the following torques Tightening torque 100 120 NmMax. permissible pipeline forces material codes 20 to Connecting the pipingMax. permissible pipeline forces material codes 10, 11, 12 Protection against foreign matterVacuum balance line Connection to power supplySetting the time relay Checking the direction of rotationMultitec Commissioning, start-up / Shutdown Shutdown Temperature of the fluid pumpedStart-up Gland packingMinimum flows Switching frequencyReturning to service after storage Density of fluid pumpedGeneral instructions Multitec Servicing / maintenanceBearings and lubrication PumpShaft seal Mechanical seal Oil quality / Oil changeMotor CouplingAxial suction nozzle Dismantling the bearingsDismantling the non-drive-end bearings Plain bearing Radial suction nozzleOil lubrication with labyrinth seal fig Grease lubrication figsOil lubrication with lip seal fig Grease lubricationReplacing the shaft protecting sleeve Removing a double-acting mechanical seal Intermediate bearing bush Intermediate bearing diffuser ReassemblyDismantling the hydraulic system With the rules of sound engineering practiceSeals Gland packing Reassembly of hydraulic systemStuffing box housing Sealing elements Mechanical sealsHorizontal baseplate-mounted pump units Leakage at the mechanical sealTightening the shaft nuts on Multitec pumps Rolling element bearing sizes Grease-lubricated bearings Fixed bearingMTC 100/125/150 Installation and returning to service Temperature of the rolling element bearingsRe-adjusting the clearance gaps Maximum clearance gaps Radial bearingMultitec Trouble-shooting General assembly drawing Pump sizes 32 toVertical design Pump sizes 32, 50 Close-coupled pump up to pump sizeRadial suction nozzle Pump sizes 100, 125Pump sizes 125 525.1/2/4 Spacer sleeve List of componentsDescription 529Achtung Attenzion BildKSB Aktiengesellschaft

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