• Do not stand directly over the cover to open it. Stand to the side. Wait at least five
minutes after opening, to let any fumes disperse, before approaching the hole.
• Never work alone.
WS008884B
5’
Figure 11: Waiting five minutes after opening, to let fumes disperse
6.1.1 Inspect the work area before permit-required hot work
WARNING: Explosion/Fire Hazard
Before starting any permit-required hot work such as welding, gas cutting, grinding, or using
electrical handtools, do the following: 1. Check the explosion risk. 2. Provide sufficient
ventilation.
6.2 Maintenance guidelines
• A yearly inspection and cleaning of level regulators is recommended.
• Make sure that the inside of the tank, valves, and pipes are kept as clean as possible.
• Always close and lock the access cover before leaving the unit.
6.3 Preventive maintenance
1. Open the access cover.
WS007157A
2. Visually check that the system has no leakage.
3. Remove the pump from the tank.
6 Maintenance
Flygt Top Installation, Operation, and Maintenance Manual
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