5.4 Shut down the pump ...............................................................................................................................44
5.5 Final Alignment........................................................................................................................................44
6 Maintenance.....................................................................................................................................................45
6.1 Maintenance............................................................................................................................................45
6.1.1 Preventative Maintenance.............................................................................................................45
6.1.2 Maintenance schedule ..................................................................................................................45
6.1.3 Bearing Maintenance ....................................................................................................................46
6.1.4 Shaft-seal maintenance ................................................................................................................48
6.1.5 Packed Stuffing Box......................................................................................................................49
6.1.6 Connection of Sealing Liquid ........................................................................................................51
6.1.7 Labyrinth Seals .............................................................................................................................52
6.2 Disassembly ............................................................................................................................................52
6.2.1 Remove the coupling guard ..........................................................................................................52
6.2.2 Disassemble the Pump .................................................................................................................53
6.2.3 Disassemble the Power End .........................................................................................................54
6.3.1 Reassemble the Pump..................................................................................................................55
6.3.2 Reassemble the Power End .........................................................................................................55
6.3.3 Reassemble the drive / guard .......................................................................................................56
6.3.4 Inspections ....................................................................................................................................59
7 Troubleshooting ..............................................................................................................................................61
7.1 Pump Troubleshooting ............................................................................................................................61
8 Spare parts.......................................................................................................................................................65
8.1 Spare Parts .............................................................................................................................................65
8.1.1 Recommended Spare Parts..........................................................................................................65
8.2 AF Parts List 42-54 inch Pumps..............................................................................................................65
8.2.1 42-54 (Top Suction) AF with LMR Bearings .................................................................................. 66
8.2.2 42-54 (End Suction) AF with LM Bearings .................................................................................... 66
8.2.3 42-54 AF with LMR Bearings / Mechanical Seal / and Casing Gasket Seal ................................. 67
8.2.4 42-54 with LM Bearings / Special Packing Arrangement / Dual Casing O-Ring Seal................... 68
8.3 AF Parts List 60-66 inch Top Suction Pumps .......................................................................................... 69
8.3.1 60-66 (Top Suction) AF with LMR Bearings .................................................................................. 70
8.3.2 60-66 AF with LMR Bearings / Mechanical Seal and Casing Gasket Seal ................................... 71
8.4 AF Parts List 60-66 inch End Suction Pumps ......................................................................................... 72
8.4.1 60-66 (End Suction) AF with LM Bearings .................................................................................... 73
8.4.2 60-66 AF with LM Bearings / Special Packing Arrangement / Dual Casing O-Ring Seal ............. 74
9 Appendix I ........................................................................................................................................................76
9.1 Special Packing Arrangement .................................................................................................................76
Table of Contents
2
Model AF (42"/1200mm/54"/60"/66") LM/LMR Bearings Installation, Operation, and Maintenance Manual
