Periodic Checks; Service; Service Kits; Coupling Adjustment - Grundfos CRK Series Installation And Operating Instructions Manual

10.3 Periodic checks

At regular intervals, depending on the conditions and time of
operation, the following checks should be made:
• Check the quantity of liquid and operating pressure.
• Check that there are no leaks.
• Check that the motor is not overheating.
• Check the tripping of the motor starter.
• Check that all controls are operating satisfactorily.
If the above checks do not reveal any abnormal operating details,
no further checks are necessary.
Should any faults be found, check the symptoms with section
14. Fault finding chart.

11. Service

Note: If a pump has been used for a liquid which is injurious to
health or toxic, the pump will be classified as contaminated.If
Grundfos is requested to service the pump, Grundfos must be
contacted with details about the pumped liquid, etc. before the
pump is returned for service. Otherwise Grundfos can refuse to
accept the pump for service.
Possible costs of returning the pump are paid by the customer.
However, any application for service (no matter to whom it may
be made) must include details about the pumped liquid if the
pump has been used for liquids which are injurious to health or
toxic.

11.1 Service kits

Service kits for MTR, CRK, and SPK, see www.grundfos.com
(WebCAPS), WinCAPS or Service Kit Catalogue.

11.2 Coupling adjustment

For adjustment of coupling on MTR 1s to 20, CRK, or SPK see
page 10. For adjustment of coupling on MTR 32, 45, 64, see page
11.

12. Sound pressure level

Motor
[Hp]
50 Hz
0.5 <70
0.75 <70
1.0 <70
1.5 <70
2.0 <70
3.0 <70
4.0 <70
5.0 73
7.5 73
10 73
15 80
20 72
25 72
30 70
40 70

13. Disposal

Disposal of this product must be carried out according to the
following guidelines:
1. Use the local public or private waste collection service.
8
dB(A)
60 Hz
<70
<70
<70
<70
71
71
71
71
78
78
84
77
77
75
84
2. In case such waste collection service does not exist or cannot
handle the materials used in the product, please deliver the
product or any hazardous materials from it to your nearest
Grundfos company or service workshop.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.