Amarex KRT series - Maintenance and Inspection Tasks

7 Servicing/Maintenance
56 of 124
Amarex KRT
7.2 Maintenance/inspection
KSB recommends the following regular maintenance schedule:
Table26: Overview of maintenance work
Maintenance interval Maintenance work For details see ...
Every 4000 operating hours
12)
Measuring the insulation resistance (ðSection7.2.1.4,Page57)
Checking the power cables (ðSection7.2.1.3,Page56)
Visual inspection of the lifting chain/ lifting
rope
(ðSection7.2.1.1,Page56)
Visual inspection of lifting accessories (ðSection7.2.1.2,Page56)
Every 8000 operating hours
13)
Checking the sensors (ðSection7.2.1.5,Page57)
Checking the mechanical seal leakage (ðSection7.2.1.6,Page58)
Changing the lubricant (ðSection7.2.3,Page65)
Changing the coolant
Every five years General overhaul (including coolant change
for installation types K and D)
Flexible maintenance interval
13)
Lubricating the bearings (ðSection7.2.3.2,Page67)
NOTE
Apply liquid sealant to all screw plugs.
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 their fasteners for any visible damage.
2. Replace any damaged components by original spare parts.
7.2.1.2 Checking the lifting accessories
ü The pump set has been lifted out of the pump sump and cleaned. (For
installation types K and S only)
1. Check the bail or eyebolt including fasteners (screws/bolts) for any visible
damage.
2. Replace any damaged components by original spare parts.
7.2.1.3 Checking the power cables
Visual inspection ü The pump set has been lifted out of the pump sump and cleaned.
1. Inspect the power cables for visible damage.
2. Replace any damaged components by original spare parts.
Checking the ground
conductor
ü The pump set has been lifted out of the pump sump and cleaned.
1. Measure the resistance between the ground conductor and chassis ground.
The electrical resistance must be lower than 1Ω.
2. Replace any damaged components by original spare parts.
12) At least once per year
13) At least every two years