GL0014K Owners Handbook BioDisc BD, BE, BF, BG, ND, NE, NF, NG
Page 12
SECTION 5 MAINTENANCE
(1) INTRODUCTION
Klargester BioDiscs are designed and engineered for the minimum possible maintenance
requirements, consistent with proper performance. Nevertheless, it is important that routine
preventive electro/mechanical maintenance and de-sludging are carried out at the
appropriate intervals by suitably qualified persons.
Klargester offers planned contract maintenance and can be contacted on Aylesbury (01296)
633000 by telephone or by fax on (01296) 633001.
(2) CUSTOMER MAINTENANCE CHECKS
The following periodic checks may be carried out at approximately monthly Intervals.
• Visually check the general condition of the plant and listen for any unusual noises.
Report any aspects of concern to your maintenance engineer.
• Check the appearance of the Biomass. It should be light grey to brown at the first bank,
and may gradually changing to dark brown at the drive end of the rotor. If the growth is
excessively thick and the colour predominantly grey throughout, an overload condition
is indicated.
• Visually check that all fixings are secure.
• Clear any debris from inlet and outlet pipes.
• Check dosing buckets and transfer baffle for any build up of debris. Clean, if required,
using a stiff bristled brush.
• Check the Loss of Rotation Warning Device for correct operation (see Initial Start Up
Section). If the alarm does not operate properly, contact your maintenance engineer.
Your attention is specifically drawn to the Health and Safety section of this manual.
(3) AUTOMATIC RE-START AFTER POWER FAILURE
BioDiscs are designed to re-start automatically when power is resumed, but the re-start may
not succeed in some circumstances, such as extended power cuts.
When power is re-established, check that the rotor is turning correctly (see Section 3.0
paragraphs (6) and (7). In the event of any difficulties, contact Klargester.
(4) SLUDGE REMOVAL DESLUDGE VOLUMES
The volumes shown in the table are those anticipated when the plant is fully loaded. If the
system is not loaded to full capacity, the desludge period and volumes removed may be
adjusted, but it is essential that sludge is not allowed to accumulate to the detriment of the
process and that all settled sludge and floating matter are removed at each desludge visit.
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