5.3 Routine maintenance ..............................................................................................................................33
5.4 Routine inspections .................................................................................................................................33
5.5 Three month inspections .........................................................................................................................33
5.6 Annual inspections ..................................................................................................................................33
5.7 Maintenance of shaft seals .....................................................................................................................33
5.7.1 Mechanical seals...........................................................................................................................33
5.7.2 Packed stuffing box.......................................................................................................................34
5.8 Impeller clearance setting ......................................................................................................................34
5.9 Feeler gauge method (all but CV) ...........................................................................................................34
5.10 Feeler gauge method (CV)....................................................................................................................36
5.11 Troubleshooting .....................................................................................................................................37
6 Disassembly & reassembly ...........................................................................................................................38
6.1 Required tools ........................................................................................................................................38
6.2 Disassembly ...........................................................................................................................................38
6.2.1 Removal of impeller ......................................................................................................................40
6.3 Removal of seal chamber cover (mechanical seal)................................................................................. 42
6.4 Removal of stuffing box cover (packed box) ........................................................................................... 43
6.5 Remove frame adapter............................................................................................................................44
6.6 Remove inboard labyrinth oil seal (333A) ............................................................................................... 45
6.7 Inspections .............................................................................................................................................46
6.7.1 Casing ...........................................................................................................................................46
6.7.2 Impeller .........................................................................................................................................47
6.7.3 Seal Chamber/Stuffing Box Cover ................................................................................................ 48
6.7.4 Frame adapter...............................................................................................................................50
6.8 Reassembly.............................................................................................................................................50
6.9 Reassembly ............................................................................................................................................51
6.10 All models STX, MTX, LTX, XLT-X, X17................................................................................................ 63
6.11 Reinstall Back Pull-Out Assembly .........................................................................................................63
6.12 Impeller Adjustment...............................................................................................................................64
6.13 Assembly Troubleshooting ...................................................................................................................64
6.14 Parts list with materials of construction ................................................................................................. 65
6.15 Model 3196 Cross Sectional ................................................................................................................66
6.16 Model CV 3196 Cross Sectional ..........................................................................................................67
6.17 Model 3796 Cross Sectional ................................................................................................................67
7 Spare Parts ......................................................................................................................................................68
7.1 Recommended spare parts ....................................................................................................................68
8 Appendix ..........................................................................................................................................................69
8.1 Labyrinth Seal Installation Instructions ................................................................................................... 69
8.1.1 Description of Operation ...............................................................................................................69
8.2 Installation Procedures............................................................................................................................69
Table of Contents
2
3196CC Installation, Operation and Maintenance Instructions
