Flowserve ESP3 - Manual (Page 38)

ESP3 USER INSTRUCTIONS ENGLISH 26999943 08-11
Page 38 of 64
6.1.3 Cleanliness
One of the major causes of pump failure is the
presence of contaminants in the bearing housing.
This contamination can be in the form of moisture,
dust, dirt and other solid particles such as metal
chips. Contamination can also be harmful to the
mechanical seal (especially the seal faces) as well as
other parts of the pump. For example, dirt in the
impeller threads could cause the impeller to not be
seated properly against the shaft. This, in turn, could
cause a series of other problems. For these reasons,
it is very important that proper cleanliness be
maintained. Some guidelines are listed below.
•
After draining the oil from the bearing housing,
periodically send it out for analysis. If it is
contaminated, determine the cause and correct.
•
The work area should be clean and free from
dust, dirt, oil, grease etc.
•
Hands and gloves should be clean.
•
Only clean towels, rags and tools should be
used.
6.2 Spare parts
The decision on what spare parts to stock varies greatly
depending on many factors such as the criticality of the
application, the time required to buy and receive new
spares, the erosive/corrosive nature of the application,
and the cost of the spare part. Section 8 identifies all of
the components that make up each pump addressed in
this manual.
Prior to resizing impellers in high
chrome iron and nickel, please consult your local
Flowserve sales representative.
6.2.1 Ordering of spare parts
Flowserve keeps records of all pumps that have been
supplied. Spare parts can be ordered from your local
Flowserve sales engineer or from a Flowserve
distributor or representative. When ordering spare
parts the following information should be supplied:
1) Pump serial number
2) Pump size and type
3) Part name – see section 8
4) Part item number – see section 8
5) Material of construction (alloy)
6) Number of parts required
The pump size and serial number can be found on
the nameplate located on the support head. See
figure 3-1.
6.3 Recommended spares and
consumable items
Figure 6-2 shows the parts which are included in
each of the following three classes of recommended
spares:
CLASS 1 - MINIMUM - Suggested for Domestic
Service when pump is handling clean non-corrosive
liquids and where interruptions in continuity of service
are not objectionable.
CLASS 2 - AVERAGE - Suggested for Domestic
Service when pump is handling abrasive or corrosive
liquids and where some interruptions in continuity of
service are not objectionable.
CLASS 3 - MAXIMUM - Suggested for Export Marine
or Domestic Service where interruptions in service
are objectionable.
Our Sales Representative in your area will gladly
review the class of spares best suited to meet your
requirements. When ordering recommended spares,
please provide information specified in section in
6.2.1.
6.4 Tools required
A typical range of tools that will be required to
maintain these pumps is listed below.
Standard hand tools SAE
•
Hand wrenches
•
Socket wrenches
•
Allen wrenches
•
Soft mallet
•
Screwdrivers
Specialized equipment
•
Bearing pullers
•
Bearing induction heaters
•
Dial indicators
•
Snap ring pliers
•
Spanner wrench
•
Flowserve specialty tools (see below)
To simplify maintenance, it is recommended that
specialty tools be purchased from Flowserve. Nose
cones are available to ease assembly. These cones
help guide assembly, protect threads and protect line
shaft bearings. These tools can be ordered from
your local Flowserve sales engineer or from a
Flowserve distributor or representative.