7 Servicing/Maintenance
29 of 36
AmaRoc
NOTE
A regular maintenance schedule will help avoid expensive repairs and contribute to
trouble-free, reliable operation with a minimum of maintenance expenditure and
work.
NOTE
All maintenance work, service work and installation work can be carried out by KSB
Service or authorized workshops. Find your contact in the attached "Addresses"
booklet or on the Internet at "
www.ksb.com/contact
".
Never use force when dismantling and reassembling the submersible mixer.
7.2 Servicing/Inspection
Visual inspection
Visual inspection of submersible mixer stand and secure floor mounting (chemical
anchors).
When tank is filled:
▪
Check the upper holder
▪
Check the flexible pipe part (if fitted)
When tank is empty:
▪
Visually inspect the submersible mixer stand
▪
Visually check that the lifting rope is securely fastened
▪
Visually inspect the power cable
▪
Check all screws/bolts and chemical anchors
▪
Check secure floor mounting with chemical anchors and locknuts
▪
Check the condition of the guide rail and the surfaces supporting the mixer
Verifying the tightening
torques
Verify that all screws and bolts have been tightened to the torques specified in the
manual.
7.3 Tightening torques
Table 5:
Tightening torques for chemical anchors
Thread
[lbf ft]
[Nm]
1/2
″
[M12]
25,8
35
5/8
″
[M16]
44,3
60
Table 6:
Tightening torques for metric screws/bolts
Thread
[lbf ft]
[Nm]
1/2
″
[M12]
44,3
60
5/8
″
[M16]
110,6
150
