Flowserve Worthington WXB User Manual download pdf (Page 28)

WXB USER INSTRUCTIONS ENGLISH - 07/14

Page 28 of 51

Before working on the pump, take measures to

prevent an uncontrolled start. Put a warning board on

the starting device with the words:

"Machine under repair: do not start".

With electric drive equipment, lock the main switch

open and withdraw any fuses. Put a warning board

on the fuse box or main switch with the words:

"Machine under repair: do not connect".

Never clean equipment with inflammable solvents or

carbon tetrachloride. Protect yourself against toxic

fumes when using cleaning agents.

6.2 Maintenance schedule

It is recommended that a maintenance plan

and schedule is adopted, in line with these User

Instructions, to include the following:

a) Any auxiliary systems installed must be monitored,

if necessary, to ensure they function correctly.

b) Gland packings must be adjusted correctly to

give visible leakage and concentric alignment of

the gland follower to prevent excessive

temperature of the packing or follower.

c) Check for any leaks from gaskets and seals. The

correct functioning of the shaft seal must be

checked regularly.

d) Check bearing lubricant level, and if the hours run

show a lubricant change is required.

e) Check that the duty condition is in the safe

operating range for the pump.

f) Check vibration, noise level and surface

temperature at the bearings to confirm

satisfactory operation.

g) Check dirt and dust is removed from areas

around close clearances, bearing housings and

motors.

h) Check coupling alignment and re-align if

necessary.

Our specialist service personnel can help with

preventative maintenance records and provide

condition monitoring for temperature and vibration to

identify the onset of potential problems.

If any problems are found the following sequence of

actions should take place:

a) Refer to section 8, Faults; causes and remedies,

for fault diagnosis.

b) Ensure equipment complies with the

recommendations in this manual.

c) Contact Flowserve if the problem persists.

6.2.1 Routine Inspection (daily/weekly)

The following checks should be

made and the appropriate action taken to remedy any

deviations.

a) Check operating behavior; ensure noise, vibration

and bearing temperatures are normal.

b) Check that there are no abnormal fluid or

lubricant leaks (static and dynamic seals) and

that any sealant systems (if fitted) are full and

operating normally.

c) Check that shaft seal leaks are within acceptable

limits.

d) Check the level and condition of lubrication oil.

On grease lubricated pumps, check running

hours since last recharge of grease or complete

grease change.

e) Check any auxiliary supplies eg. heating/cooling

(if fitted) are operating correctly.

f) Refer to the manuals of any associated

equipment if routine checks needed.

6.2.2 Periodic Inspection (every 6 Month)

Check foundation bolts for

security of attachment and corrosion.

b) Check pump operation hours to determine if

bearing lubricant shall be changed.

c) The coupling should be checked for correct

alignment and worn driving elements.



Refer to the manuals of any associated

equipment for periodic checks needed.

6.3 Spare parts

6.3.1 Ordering of spares

When ordering spare parts we need the following

information:

1. pump type and pump size

2. serial number of the pump

3. number of the required spare parts

4. reference number and name of the part as listed

in the part list or in the sectional drawing

Example: for WXB pump:

3WXB-10A8, serial number G202222/01

1 piece impeller Pos. 2200.1

The serial number of each pump is indicated on the

name plate. If the material should be changed from

the original delivered one, additionally indicate the

exact material specification. If ordered impellers shall

have smaller or larger outer diameter, indicate also

with your order. Without a special remark the spare

impellers will be delivered with the diameter of the

original impellers.

If you need the wear rings oversized or undersized,

please indicate, otherwise the wear rings will be

delivered with standard size.

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Flowserve Worthington WXB User Manual Page 28

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