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Maintenance
2019/11
010-917_SON_EN
8
Maintenance
Before housing covers, plugs and cables are opened they must be switched voltage-free. Work on electrical
components may only be carried out by specialist st2.2 on page 16).
8.1
Maintenance intervals
The maintenance date for the grease separator system can be set in the menu
2. Maintenance => 2.4
Maintenance date
. In the factory, a period of 12 months is set automatically, calculated from the initialisation
time. This can be changed in the menu at any time.
The grease separator system must be serviced once a year by a qualified person*. In addition to emptying, the
following jobs must be carried out:
The term “qualified” is used to describe employees at the owner-operators or from third parties who, on account
of their training, knowledge and practical experience, can guarantee that they carry out evaluations or tests in a
professional way in the respective field.
– Check the inner wall areas of the grease separator system.
– Functional check on the electrical devices and installations, as appropriate.
–
Records of the findings and work carried out must be kept in the operating log and evaluated.
– The mechanical or electromechanical assemblies such as pumps, valves, viewing glass, closure devices etc.
must be serviced.
8.2
Carrying out the maintenance of
SonicControl
(optional)
Annual cleaning of the sensor fingers(see 3.2.6 Installing the SonicControl sensor (option) - F on page 21)).
• Open inspection cover.
• Loosen the cable duct for the sensor cable and pull the cable approx. one metre inside the system tank.
• Remove the sensor from its bracket (clip) and clean (degrease) it.
• Install the sensor in the reverse order and carry out a functional check.
(Page “Function check system type F”, page 34).
8.3
Repairs if the pump is faulty
The pump (Fig. 46) can be removed for maintenance/
troubleshooting. Radial impeller and cutting plate are wearing
parts and can be exchanged.
• Undo both screws <73>.
•
Take the pump housing off.
• Loosen the cutting plate <81>.
• Loosen the radial impeller <82>.
• Remove any objects jammed in the moving parts.
• Check the parts for smooth running and damage, replace if
necessary.
• Assemble the pump again in reverse order.
73
82
81
Abb. [43]
