Table of Contents
1 Introduction and Safety ....................................................................................................................................3
1.1 Important Safety Notice.............................................................................................................................3
1.2 Safety warnings.........................................................................................................................................3
1.3 Safety ........................................................................................................................................................4
1.4 General precautions ..................................................................................................................................5
1.5 ATEX Considerations and Intended Use.................................................................................................. 8
1.6 Parts ..........................................................................................................................................................9
2.1 Location...................................................................................................................................................10
2.2 Prepare the foundation............................................................................................................................10
2.3 Alignment - initial ..................................................................................................................................... 11
2.4 Piping - general .......................................................................................................................................14
2.5 Install suction piping ................................................................................................................................14
2.6 Piping - discharge....................................................................................................................................15
2.7 Connection of piping................................................................................................................................16
2.8 Check rotation .........................................................................................................................................16
2.9 Connection of coupling............................................................................................................................16
3 Preparation for Operation...............................................................................................................................17
3.1 Pump bearings ........................................................................................................................................17
3.2 Driver bearings ........................................................................................................................................18
3.3 Stuffing box .............................................................................................................................................18
3.4 Connection of sealing liquid or greased lubricator (packed box)............................................................. 19
3.5 Connection to quenching gland...............................................................................................................19
3.6 Connection of cooling water piping .........................................................................................................19
3.7 Connection of drain piping.......................................................................................................................20
4 Starting Pump..................................................................................................................................................21
4.1 Priming ....................................................................................................................................................21
4.2 Adjustment of stuffing box gland .............................................................................................................21
4.3 Alignment - final.......................................................................................................................................21
4.4 Doweling..................................................................................................................................................21
5.1 Stuffing box .............................................................................................................................................22
5.2 Operating at reduced capacities..............................................................................................................22
5.3 Operating at reduced head......................................................................................................................23
5.4 Operating with surge conditions in line.................................................................................................... 23
5.5 Operating under freezing conditions .......................................................................................................23
6 Trouble Check List ..........................................................................................................................................24
6.1 No liquid delivered...................................................................................................................................24
6.2 Not enough liquid delivered.....................................................................................................................24
6.3 Not enough pressure...............................................................................................................................24
6.4 Pump works a while and then quits.........................................................................................................25
6.5 Pump takes too much power...................................................................................................................25
6.6 Pump leaks excessively at stuffing box................................................................................................... 25
6.7 Pump is noisy or vibrates ........................................................................................................................26
Table of Contents
Model 3755 Installation, Operation, and Maintenance Manual
1
Содержание Goulds Pumps 3755
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