
6.1.2 Lubricating oil requirements ..........................................................................................................76
6.1.3 Oil volumes ...................................................................................................................................77
6.1.4 Acceptable oil for lubricating bearings ..........................................................................................77
6.1.5 Lubricating-grease requirements ..................................................................................................78
6.1.6 Shaft-seal maintenance ................................................................................................................80
6.2 Disassembly ............................................................................................................................................ 82
6.2.1 Disassembly precautions .............................................................................................................. 82
6.2.2 Wet end disassembly instructions................................................................................................. 83
6.2.3 Tools required................................................................................................................................ 83
6.2.4 Disassembly for Metal-Lined......................................................................................................... 84
6.2.5 Typical disassembly - Metal-Lined ................................................................................................ 84
6.2.6 Complete wet end disconnection - XHD only................................................................................ 84
6.2.7 Wet end disassembly instructions................................................................................................. 85
6.2.8 Disassembly for Rubber-Lined...................................................................................................... 94
6.2.9 Disassembly - Rubber-Lined......................................................................................................... 94
6.2.10 Remove the joint gaskets and flanges - Rubber-Lined ............................................................... 95
6.2.11 Remove the suction half casing - Rubber-Lined ......................................................................... 95
6.2.12 Remove the remaining suction half components - Rubber-Lined ............................................... 96
6.2.13 Remove suction side liner - XHD Single Piece Suction Liner - Rubber-Lined ............................ 96
6.2.14 Impeller removal - Rubber-Lined.................................................................................................97
6.2.15 Stuffing box removal ...................................................................................................................98
6.2.16 Remove the split stuffing box XHD .............................................................................................98
6.2.17 Remove the casing volute liner - Rubber-Lined ..........................................................................98
6.2.18 Remove the power end - quick disconnect option for XHD....................................................... 100
6.2.19 Remove the expeller (optional feature) .....................................................................................100
6.2.20 Remove the seal cover and gland half casing assembly .......................................................... 101
6.2.21 Optional disassembly of gland half casing, gland liner, and seal cover - Rubber-Lined .......... 102
6.2.22 Locate and lift the volute liner for optional discharge locations (field replacement) - Rubber-
Lined ..............................................................................................................................................103
6.2.23 Remove the shaft sleeve...........................................................................................................104
6.2.24 Remove the power end- XHD and XHD Value Option .............................................................. 105
6.2.25 Disassemble the power end - XHD, oil lubrication ....................................................................107
6.2.26 Disassembly of other power end configurations .......................................................................109
6.3 Preassembly inspections....................................................................................................................... 110
6.3.1 Replacement guidelines.............................................................................................................. 110
6.3.2 Fastening .................................................................................................................................... 111
6.3.3 Power end inspection.................................................................................................................. 111
6.4 Reassembly........................................................................................................................................... 111
6.4.1 Assemble the power end- XHD, oil lubrication............................................................................ 111
6.4.2 Assemble the power end to the pedestal .................................................................................... 114
6.4.3 Assembly of other power end configurations .............................................................................. 116
6.4.4 Wet end assembly instructions ................................................................................................... 116
6.4.5 Complete wet end connection - XHD .......................................................................................... 117
6.4.6 Wet end assembly instructions ................................................................................................... 118
6.4.7 Assembly references...................................................................................................................130
7 Troubleshooting ............................................................................................................................................137
7.1 Operation troubleshooting ..................................................................................................................... 137
7.2 Alignment troubleshooting.....................................................................................................................138
7.3 Assembly troubleshooting .....................................................................................................................138
Table of Contents
XHD Installation, Operation, and Maintenance Manual 3