See how a Grundfos service specialist dismantle and assemble Grundfos S pumps, range 74-78 pump and find out what the job requires and how it is performed.
The different sections include:
00:00 Introduction
00:12 Handling and removal of impeller.
04:08 Oil change.
05:21 Removing the primary shaft seal.
05:42 Removing the motor top cover.
07:30 Removing the cooling jacket
08:41 Removing the terminal box.
09:31 Removing the upper bearing bracket.
10:12 Removing the upper bearing.
10:48 Removing the shaft seal housing.
12:21 Removing the secondary shaft seal.
12:43 Removing the rotor.
13:46 Removing the lower bearings.
15:42 Fitting the lower bearings.
19:37 Fitting the rotor.
21:08 Fitting the upper bearing.
23:03 Fitting the upper bearing bracket.
23:40 Fitting the terminal box and testing the electrical circuits.
25:10 Fitting the secondary shaft seal.
28:11 Fitting the shaft seal housing.
28:49 Fitting the primary shaft seal.
30:32 Fitting the cooling jacket.
32:50 Fitting the motor top cover and connections in the terminal box (cable side).
36:08 Filling the shaft seal housing with oil.
37:01 Fitting the pump housing.
40:35 Impeller clearance adjustment.
44:40 Removing the cable.
45:15 Fitting the cable.
45:59 Sensors and switches.
46:51 Replacing the moisture switches.
47:38 Replacing the Pt100 sensors.
50:39 Replacing the water-in-oil sensor (WIO).
51:27 Tightness test of stator housing (submerged).
54:12 Tightness test of shaft seal housing (submerged).
55:37 Tightness test of terminal box (submerged).
Learn more about S pumps, spare parts, service kits and additional services and solutions provided by Grundfos on product-selection.grundfos.co... and do not hesitate to contact us via http: www.grundfos.com/pleasecallus.
DISCLAIMER
This service video provides “how to” guidance for Grundfos products and is aimed only at skilled, trained personnel.
N.B. Any stricter local health and safety regulations and requirements take precedence over this guidance.
The video and any information in it is provided on an “as is” basis and without any liability and/or warranty to the extent permitted by applicable law.
Grundfos reviews and updates the information provided on a regular basis. However, instructions may have changed since publication of this video and therefore please always check the latest Service Instructions and the Installation & Operating Instructions of the related product.
These documents can be found on product-selection.grundfos.co....
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5 авг 2024
