7 Servicing/Maintenance
40 of 72
Amarex N
NOTE
Special regulations apply to repair work on explosion-proof pump sets.
Modification or alteration of the pump set may affect explosion protection and are
only permitted after consultation with the manufacturer.
A regular maintenance schedule will help avoid expensive repairs and contribute to
trouble-free, reliable operation of the pump (set) with a minimum of maintenance
expenditure and work.
NOTE
All maintenance, service and installation work can be carried out by KSB Service or
authorised workshops. Find your contact in the attached "Addresses" booklet or on
the Internet at "
Never use force when dismantling and reassembling the pump set.
7.2 Maintenance/inspection
Table 15:
Overview of maintenance work
Maintenance interval
Maintenance work
For details see ...
Every 4,000 operating hours
7)
Measure the insulation resistance
Check the power cables
Visually inspect the lifting chain/rope
Check the sensors
Change the lubricant
Inspect the bearings
Every five years
General overhaul
7.2.1 Inspection work
7.2.1.1 Checking the lifting chain/rope
ü
The pump set has been lifted out of the pump sump and cleaned.
1.
Inspect the lifting chain/rope as well as the attachment for any visible damage.
2.
Replace any damaged components by original spare parts.
7.2.1.2 Checking the power cables
Visual inspection
ü
The pump set has been pulled out of the pump sump and cleaned.
1.
Inspect the power cable for any visual damage.
2.
Replace any damaged components by original spare parts.
Checking the earth
conductor
ü
The pump set has been pulled out of the pump sump and cleaned.
1.
Measure the resistance between earth conductor and earth.
The resistance measured must be less than 1 Ω.
2.
Replace any damaged components by original spare parts.
DANGER
Defective earth conductor
Electric shock!
▷
Never switch on a pump set with a defective earth conductor.
7)
At least once a year
Summary of Contents for Amarex N
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