Grundfos DPK, Service Instructions Manual

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English (GB)
2
English (GB)
Service instructions
Original service instructions
CONTENTS
Page
1. Symbols used in this document
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. Symbols used in this document 2
1.1 Hazard statements 2
1.2 Notes 2
2. Identification 3
2.1 Nameplate 3
2.2 Type key 4
3. Tightening torques
5
4. Service tools 6
4.1 Standard tools 6
4.2 Torque tools 6
5. Dismantling 7
5.1 General information 7
5.2 Oil change 7
5.3 Removing impeller and pump housing
8
5.4 Removing shaft seals 9
5.5 Removing bearings 9
5.6 Removing cable 10
5.7 Removing stator
10
6. Assembly 11
6.1 Fitting stator 11
6.2 Fitting cable
11
6.3 Fitting bearings 13
6.4 Fitting shaft seals 13
6.5 Fitting impeller and pump housing
14
7. Fault finding 15
8. Components and material specification 16
8.1 DPK.10.50.075, DPK.10.50.15 and DPK.10.80.22 17
8.2 DPK.15.80.30
18
8.3 DPK.15.80.37, DPK.15.80.55, DPK.15.100.75,
DPK.20.100.110 and DPK.20.100.150
19
8.4 DPK.20.150.190 and DPK.20.150.220 20
8.5 DPK.V.65.80.15.2 and DPK.V.65.80.22.2 21
8.6 DPK.V.80.80.37.2 22
8.7 DPK.V.80.80.55.2 and DPK.V.80.80.75.2
23
8.8 DPK.V.65.80.15.4 and DPK.V.65.80.22.4 24
8.9 DPK.V.80.80.37.4, DPK.V.80.80.55.4 and
DPK.V.80.80.75.4 25
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.