Grundfos LS 100-80-241, Service Instructions Manual

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English (GB)
3
English (GB)
Service instructions
Original service instructions
CONTENTS
Page
1. General information
1.1 Hazard statements
The symbols and hazard statements below may appear in
Grundfos installation and operating instructions, safety
instructions and service instructions.
The hazard statements are structured in the following way:
1.2 Notes
The symbols and notes below may appear in Grundfos
installation and operating instructions, safety instructions and
service instructions.
1. General information 3
1.1 Hazard statements 3
1.2 Notes 3
2. Service tools 4
2.1 Special tools 4
2.2 Standard tools 4
2.3 Torque tools 4
3. Servicing the product 5
3.1 Contaminated pumps 5
3.2 Operating checks 5
3.3 Maintaining the product
5
4. Dismantling and assembling the product 6
4.1 General information 6
4.2 Dismantling the pump, with sleeve
6
4.3 Dismantling the pump, without sleeve 9
4.4 Assembling the pump, with sleeve 10
4.5 Assembling the pump, without sleeve
14
4.6 Replacing ring in the stuffing box, LS with sleeve 15
5. Alignment 16
5.1 Preliminary alignment 16
5.2 Final alignment
16
6. Taking the product out of operation 17
6.1 Short-term shutdown 17
6.2 Long-term shutdown
17
7. Identification 18
7.1 Nameplate 18
7.2 Type key
19
8. Standard components and material specifications 21
9. Sectional drawings 22
9.1 LS with sleeve, construction type 1 22
9.2 LS with sleeve, construction type 2
23
9.3 LS with sleeve, construction type 3 23
9.4 LS with sleeve, construction type 4 24
9.5 LS without sleeve, construction type 1
24
9.6 LS without sleeve, construction type 2 25
9.7 LS, typical end view, non-drive end 25
10. Exploded views
26
10.1 Coupling 26
10.2 LS with sleeve 27
10.3 LS without sleeve 35
11. Fault finding the product 42
12. Disposing of the product 43
Read this document before starting service work on
the product. Installation and service work must
comply with local regulations and accepted codes of
good practice.
Observe the safety instructions in the installation and
operating instructions for the product.
DANGER
Indicates a hazardous situation which, if not avoided,
will result in death or serious personal injury.
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious personal injury.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate personal injury.
SIGNAL WORD
Description of hazard
Consequence of ignoring the warning.
- Action to avoid the hazard.
Observe these instructions for explosion-proof
products.
A blue or grey circle with a white graphical symbol
indicates that an action must be taken.
A red or grey circle with a diagonal bar, possibly with
a black graphical symbol, indicates that an action
must not be taken or must be stopped.
If these instructions are not observed, it may result in
malfunction or damage to the equipment.
Tips and advice that make the work easier.