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Bell & Gossett
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P81567F
User Manual
30 pgs1.5 Mb0
Table of contents
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Bell & Gossett P81567F User Manual

Installation,
Operation, and
Maintenance Manual
Series 1531

Table of Contents

Introduction and Safety.........................................................................................................................2
Introduction..........................................................................................................................................2
Requesting other information.........................................................................................................2
Safety terminology and symbols....................................................................................................3
Safety instruction decals..................................................................................................................4
User safety.........................................................................................................................................4
Environmental safety........................................................................................................................6
Product warranty.................................................................................................................................6
Transportation and Storage..................................................................................................................8
Inspect the delivery.............................................................................................................................8
Inspect the package.........................................................................................................................8
Inspect the unit..................................................................................................................................8
Pump lifting..........................................................................................................................................8
Product Description.............................................................................................................................10
General description..........................................................................................................................10
Operational specifications...............................................................................................................10
Table of Contents
Installation.............................................................................................................................................12
Preinstallation....................................................................................................................................12
Pump location guidelines..............................................................................................................12
Foundation requirements.............................................................................................................13
Piping checklist...............................................................................................................................14
Typical installation.............................................................................................................................15
Commissioning, Startup, Operation, and Shutdown......................................................................16
Preparation for startup.....................................................................................................................16
Prime the pump.................................................................................................................................16
Start the pump...................................................................................................................................17
Pump operation precautions...........................................................................................................17
Shut down the pump........................................................................................................................18
Maintenance.........................................................................................................................................20
Bearing maintenance........................................................................................................................20
Disassembly.......................................................................................................................................20
Disassembly precautions...............................................................................................................20
Drain the pump...............................................................................................................................20
Remove the bearing frame and impeller assembly...................................................................21
Remove the mechanical seal (1531 and 1531-F) ......................................................................21
Remove the seal or packing rings (1531-S, 1531-D, and 1531-PF) ........................................21
Pre-assembly inspections.................................................................................................................21
Shaft and sleeve inspection..........................................................................................................21
Reassembly........................................................................................................................................22
Seal assembly..................................................................................................................................22
Assemble the packed stuffing box (1531-PF) ............................................................................24
Reinstall the bearing frame and impeller assembly ..................................................................25
Capscrew torque values................................................................................................................25
Dealer servicing .............................................................................................................................26
Series 1531 Installation, Operation, and Maintenance Manual 1

Introduction and Safety

Introduction and Safety

Introduction

Purpose of this manual
The purpose of this manual is to provide necessary information for:
• Installation
• Operation
• Maintenance
CAUTION:
Read this manual carefully before installing and using the product. Improper use of the
product can cause personal injury and damage to property, and may void the warranty.
NOTICE:
Save this manual for future reference, and keep it readily available at the location of the
unit.
Requesting other information
Special versions can be supplied with supplementary instruction leaflets. See the sales
contract for any modifications or special version characteristics. For instructions, situations,
or events that are not considered in this manual or in the sales documents, please contact
the nearest Xylem representative.
Always specify the exact product type and identification code when requesting technical
information or spare parts.

Safety

WARNING:
• The operator must be aware of safety precautions to prevent physical injury.
• Any pressure-containing device can explode, rupture, or discharge its contents if it is over-pressurized. Take all necessary measures to avoid over-pressurization.
• Operating, installing, or maintaining the unit in any way that is not covered in this manual
could cause death, serious personal injury, or damage to the equipment. This includes any modification to the equipment or use of parts not provided by Xylem. If there is a question regarding the intended use of the equipment, please contact a Xylem representative before proceeding.
• Do not change the service application without the approval of an authorized Xylem representative.
CAUTION:
You must observe the instructions contained in this manual. Failure to do so could result in physical injury, damage, or delays.
2 Series 1531 Installation, Operation, and Maintenance Manual

Safety terminology and symbols

About safety messages
It is extremely important that you read, understand, and follow the safety messages and regulations carefully before handling the product. They are published to help prevent these hazards:
• Personal accidents and health problems
• Damage to the product
• Product malfunction
Hazard levels
Hazard level Indication
Introduction and Safety
Hazard categories
DANGER:
WARNING:
CAUTION:
NOTICE:
Hazard categories can either fall under hazard levels or let specific symbols replace the ordinary hazard level symbols.
Electrical hazards are indicated by the following specific symbol:
A hazardous situation which, if not avoided, will result in death or serious injury
A hazardous situation which, if not avoided, could result in death or serious injury
A hazardous situation which, if not avoided, could result in minor or moderate injury
• A potential situation which, if not avoided, could result in undesirable conditions
• A practice not related to personal injury
Electrical Hazard:
These are examples of other categories that can occur. They fall under the ordinary hazard levels and may use complementing symbols:
• Crush hazard
• Cutting hazard
• Arc flash hazard
Series 1531 Installation, Operation, and Maintenance Manual 3
Introduction and Safety

Safety instruction decals

WARNING:
The maximum working pressure of the pump is listed on the nameplate. Do not exceed this pressure. Failure to follow these instructions can result in serious personal injury, death, and/or property damage.
Alert symbol
Decals
Make sure your pump has these safety instruction decals and that they are located as this figure shows. If the decals are missing or illegible, contact your local sales and service representative for a replacement.
This safety alert symbol is used in manuals and on the safety instruction decals on the pump to draw attention to safety-related instructions.
When used, the safety alert symbol means that failure to follow the instructions may result in a safety hazard.
Make sure that all safety instruction decals are always clearly visible and readable.

User safety

General safety rules
These safety rules apply:
• Always keep the work area clean.
• Pay attention to the risks presented by gas and vapors in the work area.
• Avoid all electrical dangers. Pay attention to the risks of electric shock or arc flash
hazards.
• Always bear in mind the risk of drowning, electrical accidents, and burn injuries.
4 Series 1531 Installation, Operation, and Maintenance Manual
Safety equipment
Use safety equipment according to the company regulations. Use this safety equipment within the work area:
Electrical connections
Electrical connections must be made by certified electricians in compliance with all international, national, state, and local regulations. For more information about requirements, see sections dealing specifically with electrical connections.
Introduction and Safety
• Hard hat
• Safety goggles, preferably with side shields
• Protective shoes
• Protective gloves
• Gas mask
• Hearing protection
• First-aid kit
• Safety devices
NOTICE:
Never operate a unit unless safety devices are installed. Also see specific information about safety devices in other chapters of this manual.
Precautions before work
Observe these safety precautions before you work with the product or are in connection with the product:
• Provide a suitable barrier around the work area, for example, a guard rail.
• Make sure that all safety guards are in place and secure.
• Make sure that you have a clear path of retreat.
• Make sure that the product cannot roll or fall over and injure people or damage
• Make sure that the lifting equipment is in good condition.
• Use a lifting harness, a safety line, and a breathing device as required.
• Allow all system and pump components to cool before you handle them.
• Make sure that the product has been thoroughly cleaned.
• Disconnect and lock out power before you service the pump.
• Check the explosion risk before you weld or use electric hand tools.
Wash the skin and eyes
property.
Follow these procedures for chemicals or hazardous fluids that have come into contact with your eyes or your skin:
Condition Action
Chemicals or hazardous fluids in eyes
1. Hold your eyelids apart forcibly with your fingers.
2. Rinse the eyes with eyewash or running water for at least 15 minutes.
3. Seek medical attention.
Chemicals or hazardous fluids on skin
1. Remove contaminated clothing.
2. Wash the skin with soap and water for at least 1 minute.
3. Seek medical attention, if necessary.
Series 1531 Installation, Operation, and Maintenance Manual 5
Introduction and Safety

Environmental safety

The work area
Always keep the station clean.
Waste and emissions regulations
Observe these safety regulations regarding waste and emissions:
• Appropriately dispose of all waste.
• Handle and dispose of the processed liquid in compliance with applicable environmental regulations.
• Clean up all spills in accordance with safety and environmental procedures.
• Report all environmental emissions to the appropriate authorities.
WARNING:
Radiation Hazard. Do NOT send the product to Xylem if it has been exposed to any nuclear radiation.
Electrical installation
For electrical installation recycling requirements, consult your local electric utility.
Recycling guidelines
Always follow local laws and regulations regarding recycling.

Product warranty

Coverage
Xylem undertakes to remedy defects in products from Xylem under these conditions:
• The faults are due to defects in design, materials, or workmanship.
• The faults are reported to an local sales and service representative within the warranty period.
• The product is used only under the conditions described in this manual.
• The monitoring equipment incorporated in the product is correctly connected and in use.
• All service and repair work is done by Xylem authorized personnel.
• Genuine Xylem parts are used.
• Only Ex-approved spare parts and accessories authorized by an EX-approved Xylem representative are used in Ex-approved products.
Limitations
The warranty does not cover defects caused by these situations:
• Deficient maintenance
• Improper installation
• Modifications or changes to the product and installation made without consulting an
Xylem authorized representative
• Incorrectly executed repair work
• Normal wear and tear
Xylem assumes no liability for these situations:
• Bodily injuries
• Material damages
• Economic losses
6 Series 1531 Installation, Operation, and Maintenance Manual
Warranty claim
Introduction and Safety
Xylem products are high-quality products with expected reliable operation and long life. However, should the need arise for a warranty claim, then contact your local sales and service representative.
Series 1531 Installation, Operation, and Maintenance Manual 7
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