Multitech 1777.8/7-10 G3 Oil quality / Oil change, Motor, Shaft seal Mechanical seal, Coupling

Page 15

Multitec

Oil quality / Oil change

Quality: ISO VG 46.

The first oil change shall be carried out after 300 operating hours, the following ones every 3000 operating hours. Unscrew the screwed plug in the re-fill hole and in the drain hole. Allow the bearing housing to drain completely, then plug the drain hole again.

Fig. 16 Oil fill

Hinge down the constant-level oiler 638.

Pour in the oil through the hole after having hinged down the reservoir of the constant-level oiler until oil appears in the vertical portion of the connection elbow (Fig. 16). Then fill the reservoir of the constant-level oiler with oil and snap it back into operating position. After a short time check whether the oil level in the reservoir has dropped.

It is important to keep the reservoir two thirds full at all times!

Lubricant quantities

Grease quantities

Pump size

Quantity per bearing unit in g

 

 

Drive end

Non-drive end

 

 

 

 

 

32

-

-

 

 

 

 

50

/ 65

15

-

 

 

 

 

100

/ 125

25

15

 

 

 

150

40

30

Note: On some pump designs the rolling element bearings are lubricated for life. These pumps are not provided with a lubricating nipple on the bearing bracket.

Oil quantities

Pump size

Oil quantity in ml *)

Drive end

Non-drive end

 

 

 

 

32

330

330

 

 

 

50

500

330

 

 

 

65

490

510

 

 

 

100 / 125

880

920

 

 

 

150

1000

1040

 

 

 

*) oil quantity without oil fill in the reservoir of the constant-level oiler

Motor

Motors without lubricating nipple: The rolling element bearings have been lubricated in the supplier’s factory for an operating period of 15,000 h or 2 years under normal operating conditions.

Motors with lubricating nipple: The rolling element bearings must be re-lubricated at the intervals indicated on the motor name plate (approx. 500 h).

7.2.3Shaft seal

Mechanical seal:

The mechanical seal is maintenance-free.

Gland packing:

The nuts at the gland cover must only be tightened slightly. The gland cover must be at right angles to the shaft. After the pump has been primed and prior to start-up, make sure the gland packing is set to allow a larger amount of leakage. After approximately 1 operating hour, tighten the nuts at the gland cover gradually until leakage has been reduced to individual drops (approx. 7 l/H).

7.2.4Coupling

If the flexible coupling elements begin to show signs of wear, they must be replaced in due time and pump/motor alignment must be checked.

7.3Dismantling

If you need additional information or instructions please contact KSB’s customer service !

7.3.1General instructions Drainage / Cleaning

If the pump was used for handling liquids posing health hazards, see to it that there is no risk to persons or the environment when draining the fluid. All relevant laws must be heeded. If required, wear safety clothing and a protective mask! The flushing liquid used and any liquid residues in the pump must be properly collected and disposed of without posing any

risk to persons or the environment.

7.3.2 Preparations for dismantling

Caution Make sure to switch off the pump unit before starting any dismantling activities. Secure the

pump so as to make sure it cannot be switched on accidentally ! The shut-off valves in the inlet / suction and discharge pipes must be closed and secured against inadvertent opening.

The pump must have cooled down to ambient temperature. Pump pressure must have been released and the pump must have been drained.

Noxious, explosive, hot or other hazardous fluids shall be drained without posing any risk to persons or the environment. We strongly recommend to flush the pump after drainage.

Flushing and cleaning the pump is an absolute necessity before sending the pump to the workshop. In addition, the pump must be supplied with a cleaning certificate.

After a prolonged period of operation the individual components may be hard to pull off. We recommend to use a brand name penetrating agent or a suitable puller.

Under no circumstances use force.

Dismantling must only be carried out in accordance with the sectional drawings at the end of these operating instructions. (see section 9 ”General assembly drawings”)

Heavy components must be sufficiently supported during dismantling. The components shall be marked with their sequence of dismantling, to make sure they will be re-assembled in the correct sequence.

Thoroughly clean all dismantled components and check their condition. Careful examination may help to find the cause for pump failure, if any. If in doubt, replace the components. Always replace parts which are subject to wear (gaskets, O-rings, casing wear rings, rolling element bearings).

15

Page 14 Page 16
Image 15
Page 14 Page 16
Contents High-pressure pumps in ring-section design Operating instructions 1777.8/7-10 G3Works No Type series Multitec Contents Multitec Index Section Adjusting dimensions for couplingMultitec General SafetyTransport, storage MultitecDescription Product AccessoriesClose-coupled pumps Multitec Installation at siteFoundation / Checks to be carried out prior to installation Installing the pump/unit100 120 Nm Aligning the pump / drive Coupling guardBe tightened to the following torques Tightening torque Thread Strength Drive Non-drive EndProtection against foreign matter Connecting the pipingMax. permissible pipeline forces material codes 10, 11, 12 Max. permissible pipeline forces material codes 20 toChecking the direction of rotation Connection to power supplySetting the time relay Vacuum balance lineMultitec Commissioning, start-up / Shutdown Gland packing Temperature of the fluid pumpedStart-up ShutdownDensity of fluid pumped Switching frequencyReturning to service after storage Minimum flowsPump Multitec Servicing / maintenanceBearings and lubrication General instructionsCoupling Oil quality / Oil changeMotor Shaft seal Mechanical sealRadial suction nozzle Dismantling the bearingsDismantling the non-drive-end bearings Plain bearing Axial suction nozzleGrease lubrication Grease lubrication figsOil lubrication with lip seal fig Oil lubrication with labyrinth seal figReplacing the shaft protecting sleeve Removing a double-acting mechanical seal With the rules of sound engineering practice ReassemblyDismantling the hydraulic system Intermediate bearing bush Intermediate bearing diffuserReassembly of hydraulic system Stuffing box housingSeals Gland packing Leakage at the mechanical seal Mechanical sealsHorizontal baseplate-mounted pump units Sealing elementsTightening the shaft nuts on Multitec pumps Fixed bearing MTC 100/125/150Rolling element bearing sizes Grease-lubricated bearings Radial bearing Temperature of the rolling element bearingsRe-adjusting the clearance gaps Maximum clearance gaps Installation and returning to serviceMultitec Trouble-shooting Pump sizes 32 to General assembly drawingPump sizes 100, 125 Close-coupled pump up to pump sizeRadial suction nozzle Vertical design Pump sizes 32, 50Pump sizes 125 529 List of componentsDescription 525.1/2/4 Spacer sleeveBild Achtung AttenzionKSB Aktiengesellschaft

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.
Top Page Image Contents