Bell & Gossett P81567F Series 1531 - Manual (Page 3)

Table of Contents
Introduction and Safety.........................................................................................................................2
Introduction..........................................................................................................................................2
Requesting other information.........................................................................................................2
Safety.....................................................................................................................................................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
Long-term storage...............................................................................................................................9
Product Description.............................................................................................................................10
General description..........................................................................................................................10
Operational specifications...............................................................................................................10
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
Note on the packed pump operation.............................................................................................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
Table of Contents
Series 1531 Installation, Operation, and Maintenance Manual 1