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

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Multitech 1777.8/7-10 G3 operating instructions Multitec Contents

1777.8/7-10 G3 specifications

The Multitech 1777.8/7-10 G3 is a prominent device designed for the evolving landscape of communication technology. This multi-functional solution becomes essential for businesses and organizations that demand flexibility and reliability in their network infrastructure.

One of the main features of the Multitech 1777.8/7-10 G3 is its support for multiple communication interfaces. This device can handle several protocols, enabling seamless connectivity regardless of the environment. The built-in support for both voice and data services makes it an attractive solution for various applications, from remote offices to industrial settings.

In terms of technologies, the device stands out with its advanced modular design. Users can easily customize the device with different interface cards based on their specific communication needs. This adaptability ensures that organizations can scale their operations without needing to invest in entirely new hardware as their requirements change.

The Multitech 1777.8/7-10 G3 also emphasizes high security and reliability. It implements multiple security features, including encryption and authentication processes, safeguarding sensitive data transmission. These features are particularly important for organizations that must comply with strict regulatory requirements.

Another characteristic of the Multitech 1777.8/7-10 G3 is its robust performance under various operating conditions. The device is engineered for durability and can withstand significant environmental stresses, making it ideal for deployment in less than optimal locations.

Moreover, the integration of VoIP capabilities allows users to benefit from cost-effective voice communication solutions. This convergence of voice and data services streamlines operations and reduces overall costs while maintaining high-quality service.

The user-friendly interface of the Multitech 1777.8/7-10 G3 ensures that system administrators can easily configure and manage the device. comprehensive monitoring and reporting functions enable businesses to keep track of their network performance, ensuring that they can address any potential issues proactively.

To summarize, the Multitech 1777.8/7-10 G3 is a testament to modern communication technologies, combining flexibility, security, and ease of use while equipping businesses with the tools necessary for efficient operations in a rapidly changing digital landscape.