Columbus AKS 70 Original Bedienungsanleitung Seite 25

Vacuum sweeper
AKS 70|VM 62
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Be very careful when driving over rails, door runners, ets. These can cause damage to dust seals. Drive over them very slowly.
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Avoid driving over puddles of water. In the presence of damp surfaces, close the suction by means of knob Part. 1 Fig. 6 located to
the right of the operator, alongside the central brush start lever.
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In the presence of large or lightweight objects (leaves, cigarette boxes etc.) lift the front flap by pressing the flap-lift pedal with the
heel of your left foot Part. 1 Fig. 9.
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If the surface to be cleaned is very dirty in terms of quantity and quality of the material or dust to be picked up, first of all go over
the area "roughly" without paying too much attention to the result. Then with a clean bin and the filters well shaken, go over it
again. This way, the desired effect will be achieved.
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Subsequently, if the machine is used regularly and properly, such "rough" cleaning will no longer be required.
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The side brush must only be used for cleaning edges, profiles, corners, etc. It must be raised (disengaged) immediately after use so it
does not lift up dust and also because results achieved with the side brush engaged are always inferior to those obtained with the
central brush alone.
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For good results, empty the container regularly and keep the filters clean, shaking them with the tools provided.
CHAPTER 13 – ROUTINE MAINTENANCE
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ALL OPERATIONS MUST BE PERFORMED WITH COLD AND SWITCHED OFF ENGINE.
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CLEANING THE DUST FILTERS:
Every 40 / 70 working hours or whenever necessary, check the dust filters Part. 1 Fig. 14. Remove them from housing, loosen the filter-
pressing blocks Part. 2 Fig. 14 and clean the filters by, first of all, banging them on the floor (not violently), keeping the perforated side
towards the floor. For more thorough cleaning, use a compressed-air gun and blow from outside towards the inside, as shown in figure 14.
When refitting the filters, always remember to replace the black seal Part. 3 Fig. 14 on the bottom of the filter.
Make sure that the filters are always in good condition and, whenever necessary, replace them.
DUST SEALS:
Every 40 / 70 working hours, check the condition of the dust seals Part. 1 (movable) and Part. 2 (3 fixed seals) Fig. 15 surrounding the central
brush Part. 2 Fig. 4. Whenever necessary, replace these.
IMPORTANT: By replacing the seals make sure the side seals (the shortest one on the right and on the left. in total 2) are raised off the
CENTRAL BRUSH:
Part. 2 Fig. 4. Every 50 / 80 working hours, or whenever necessary, check the condition of the central brush, especially if you have picked up
pieces of string, wire, etc.
To remove such items from the brush:
- Remove the bin Part. 2 Fig. 7.
- Kneel down and inspect the central brush under the machine. Wearing gloves and a face mask to protect the airways, remove any
pieces of string or wire wrapped around the central brush. The 4 hooks (eyebolts) provided can also be used to raise the machine
(see Fig. 1) and perform this operation. Take care not to stand underneath the machine.
CENTRAL BRUSH ADJUSTMENTS:
If the machine starts cleaning in a faulty manner or leaves dirt around, it will have to be adjusted and lowered as followed:
- Position lever Part. 1 Fig. 16 so that the central brush is raised.
- Loosen screw Part. 2 Fig. 16.
- Lower the adjuster Part. 3 Fig. 16 by 3/4 mm or by the desired distance.
- Secure the adjuster by tightening screw Part. 2 Fig. 16
- Position lever Part. 1 fig. 16 above the adjuster Part. 3 fig. 16.
- The central brush can be adjusted until the adjuster Part. 3 fig. 16 reaches the end of stroke; after this, the brush must be replaced.
IMPORTANT: To ensure the central brush is correctly adjusted, measure its "Track" as follows:
ground of about 2 mm.
ADJUSTMENTS AND REPLACEMENTS
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