Flowserve BP Instrukcja Użytkownika Pobierz pdf (Strona 20)

BP USER INSTRUCTIONS ENGLISH 85392725 10-09 (E)

Page 20 of 44 flowserve.com

5 COMMISSIONING, START-UP,

OPERATION AND SHUTDOWN

These operations must be carried

out by fully qualified personnel.

5.1 Pre-commissioning procedure

a) Uncouple pump and motor, and check the

rotating direction of motor by running only the

motor in a few seconds. The rotating direction of

this pump is counter clockwise viewed from the

coupling end. After check; replace the coupling

bolts.

b) Check that the pump rotor turns smoothly when

rotating it by hand. If rotation is not smooth, or

any abnormal sound is heard, disassemble the

pump and check the sliding parts such as

wearing ring, etc.

c) Open valves for cooling and flushing (sealing)

piping where provided.

5.1.1 Lubrication System

Before operating the pump, the lubrication system

should be thoroughly cleaned to remove any foreign

matter that may have accumulated during shipment,

storage or installation.

To clean the lubrication system:

a) Remove the upper half of bearing cases, journal

bearings, thrust shoes and drain plugs. Refer to

Section 6 Maintenance.

b) Flush out the bearing housings with Kerosene or

other suitable solvent.

c) Wash the journal bearings and thrust shoes with

a suitable solvent.

d) Flush the entire lubrication system with flushing

oil. Flushing oil should be compatible with

lubricating oil that will be used. Follow any

instructions given for the lubrication console.

e) During flushing operation, examine the piping for

leaks and correct as necessary. Also check for

any obstructions that will interfere with free flow

of oil to the bearings

5.1.2 Lubrication

Operation of the unit without correct lubrication

can result in overheating of the bearings, bearing

failures, pump seizure and failure of the equipment,

exposing operating personnel to injury.

Pumps fitted with anti friction bearings will be

supplied with constant level oilers.

Pumps fitted with sleeve and Kingsbury bearings will

be fitted with a forced lubrication system.

Other drivers and gearboxes, if appropriate, should

be lubricated in accordance with their manuals.

5.1.2.1 Constant Level Oiler

When fitted with a constant level oiler, the bearing

housing should be filled with the required amount of

oil. The constant level oiler should be filled with oil

and fitted to the housing.

5.1.2.2 Forced lubrication system

Fill oil reservoir with the required volume of oil.

An auxiliary oil pump supplies oil to the pressure

lubrication system to ensure minimum oil pressure for

start up, shut down or periods when the main oil

pump can not supply sufficient oil.

During operation, oil is supplied from the oil reservoir

by the main oil pump and is directed to the oil cooler.

From the oil cooler, the oil is directed through the oil

filter and is then supplied to the pump/drive bearings.

A back pressure relief valve mounted in the

lubrication system maintains the required system oil

pressure. The system is additionally equipped with a

low pressure, pressure switches, which can be used

to control the unit when the oil pressure in the

lubrication system decreases to predetermined

values or prevents the starting of the unit until

adequate oil pressure is established. Gravity

assisted, sloped oil return line conducts the oil from

the pump/driver bearings back to the system

reservoir.

A check valve is mounted in the auxiliary oil pump

discharge line to prevent oil from returning to the oil

reservoir when the main oil pump is running and the

auxiliary oil pump is shut down.

5.2 Pump lubricants

The lubricating oil should be a high quality mineral oil

having foam inhibitors. The oil should conform to the

following characteristics:

Type Turbine Oil to ISO VG 46

Viscosity@40℃

46 Cst min

Viscosity@100℃

7 Cst min

5.2.1 Bearing Sizes

The BP pump is equipped with heavy duty, externally

mounted antifriction bearings or with babbitted sleeve

and Kingsbury type thrust bearing. Bearing selection

is dependant on pump size and duty conditions.

Details of the bearings fitted to your pump will be

found in the technical data supplied with your pump.

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 43 44

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