KSB MK, Installation & Operating Manual

Page: 48 / 64

7 Servicing/Maintenance
48 of 64
MK
7.6 Tightening torques
A
B
C
D
Fig. 12: Tightening points
Table 12: Tightening torques [NM] depending on materials
9)
Position Thread Material
[mm] [Nm]
A, B, C, D M10 5.8 22
A, B, C, D M10 8.8 50
A, B, C, D M10 A4-70 35
7.7 Spare parts stock
7.7.1 Ordering spare parts
Always quote the following data when ordering replacement or spare parts:
▪
Order number
▪ Order item number
▪ Type series
▪ Size
▪ Material variant
▪
Year of construction
Refer to the name plate for all data.
Also specify the following data:
▪
Part number and description ( ð Section 9.1, Page 52)
▪ Quantity of spare parts
▪ Shipping address
▪ Mode of dispatch (freight, mail, express freight, air freight)
7.7.2 Recommended spare parts stock for 2 years' operation to DIN 24296
Table 13: Quantity of spare parts for recommended spare parts stock
Part No. Description Number of pumps (including stand-by pumps)
2 3 4 5 6 and 7 8 and 9 10 and
more
210 Shaft 1 1 2 2 2 3 30 %
230 Impeller 1 1 1 2 2 3 30 %
9) After repeated tightening of the threads and in case of good lubrication the values shall be reduced by 15 to 20 %.