Xylem G&L A-C 8100 Series Instruction Manual page 4

Table of Contents
6 Maintenance..............................................................................................................................28
6.1 Maintenance schedule...................................................................................................... 28
6.2 Flood-damaged pumps.................................................................................................... 29
6.3 Bearing maintenance........................................................................................................ 29
6.4 Shaft-seal maintenance..................................................................................................... 30
6.5 Cleaning without dismantling the pump........................................................................ 31
6.6 Disassembly........................................................................................................................31
6.7 Pre-assembly inspections................................................................................................. 37
6.8 Dimensions......................................................................................................................... 38
6.9 Reassembly.........................................................................................................................41
7 Troubleshooting....................................................................................................................... 51
7.1 Operation troubleshooting.............................................................................................. 51
8 Product warranty...................................................................................................................... 55
2
6.3.1 Regrease the grease-lubricated bearings............................................................... 29
6.3.2 Lubricating grease requirements............................................................................. 30
6.4.1 Mechanical seal maintenance................................................................................... 30
6.4.2 Packed stuffing box maintenance............................................................................ 31
6.6.1 Disassembly precautions........................................................................................... 31
6.6.2 Drain the pump........................................................................................................... 32
6.6.3 Remove the hex coupling guard.............................................................................. 32
6.6.4 Disassemble the pump with mechanical seal on the shaft....................................33
6.6.5 Disassemble the pump with mechanical seals on shaft sleeve............................ 34
6.6.6 Disassemble the pump with packing....................................................................... 36
6.7.1 Replacement guidelines............................................................................................ 37
6.7.2 Shaft and sleeve inspection.......................................................................................38
6.9.1 Reassemble the pump with mechanical seal on the shaft.....................................41
6.9.2 Reassemble the pump with the mechanical seals on the shaft sleeve................ 44
6.9.3 Reassemble the pump with packing........................................................................ 46
6.9.4 Install the hex coupling guard...................................................................................49
6.9.5 Assembly references.................................................................................................. 50
G&L Pumps Series A-C 8100 Base Mounted Centrifugal Pump INSTRUCTION MANUAL