5 Maintenance
Maintain the pump carefully. Study the instructions carefully and pay special attention to the warnings!
Always keep spare shaft seals and rubber seals in stock.
See separate motor instructions.
Safety check
A visual inspection of adaptor shield and motor fan guard must be carried out every 12 months.
If loss or damage to shield or guard, especially when this leads to deterioration of safety performance, it shall be replaced.
The fixing of shield and guards should only be replaced with fixings of the same or an equivalent type.
Inspection acceptance criteria:
-
It is not possible to reach the shaft or fan
-
The shield and guard must be securely mounted
-
Ensure that the screws are tightened
Procedure in case of non-acceptance:
-
Fix and/or replace the shield or guard.
Shaft seal
Rubber seals
Motor bearings
Preventive maintenance
Replace after 12 months:
(one-shift)
- Stationary and rotating seal ring
- Quad-/O-rings
Replace when replacing the shaft
seal
Maintenance after leakage
(leakage normally starts
slowly)
Replace at the end of the day:
- Stationary and rotating seal ring
- Quad-/O-rings
Replace when replacing the shaft
seal
Planned maintenance
-
Regular inspection for leakage
and smooth operation
-
Keep a record of the pump
-
Use the statistics for planning of
inspections
Replace after leakage:
- Stationary and rotating seal ring
- Quad-/O-rings
Replace when replacing the shaft
seal
Yearly inspection is
recommended
-
Replace complete
bearing if worn
-
Ensure that the bearing
is axially locked
(See motor instructions)
Lubrication
Before fitting
Lubricate the O-rings with silicone
grease or silicone oil
Before fitting
Silicone grease or silicone oil
See “Relubrication
Intervals”, section 6.2
Relubrication intervals on
page 43
Pre-use check
CAUTION!
Fit the electrical connections correctly if they have been removed from the motor during servicing.
(See pre-use check in section 3 Installation).
Pay special attention to warnings!
1. Start and stop the motor momentarily
2. Ensure that the pump operates smoothly.
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