31
IMPORTANT: To ensure the central brush is correctly adjusted, measure its “Track” as follows:
•
After adjustments, start the machine up and, and without moving either forwards or backwards, leave it
standing in the same place for at least 10 / 15 sec . with the central brush lowered .
•
Turn off the engine, raise the central brush and move the machine forwards manually until the mark left
on the floor by the rotation of central brush is visible, as shown in
Fig. 17
.
IMPORTANTE: The width of the track must not be under 4 cm.
•
SIDE BRUSH ADJUSTMENT:
When the side brush
Part. 1 Fig. 18
is no longer able to
convey dirt to the central brush, the height of the side brush
will have to be adjusted as follows:
Keeping the side brush raised turn anticlockwise the register
Part. 3 fig. 8
.
IMPORTANT: This operation must be performed
with the engine switched off.
•
COLLECTION BIN:
Every 50 / 60 working hours or whenever necessary, wash the
collection bin
Part. 1 Fig. 7
using warm water and, if necessary,
common detergent . This will prevent any bacteria build-up
(wear rubber gloves)
.
•
GENERAL RULES: To ensure a good machine functioning and life-span, keep both the outer
bodywork and the inside of the machine, under the bonnets, clean by using jets of compressed
air (perform this operation with the engine off and cold).
REPLACEMENTS
•
REPLACING THE CENTRAL BRUSH:
(This operation must be performed wearing gloves and a face mask to protect the airways . Use 10 / 13 / 17
mm spanners and make sure the engine is off and cold .) .
1.
Remove the left panel (left to the driving seat)
Part. 4
(Left)
Fig. 3
, by loosening the retention screws .
2.
Remove the 3 bolts on
Part. 7 and 9
of
Table 1
.
3.
Remove the screws securing the left panel
Part. 13 Tab. 1
to which the side seal is also fastened .
4.
Pull out the central brush
Part. 15 Tab. 1
and proceed to replace this being careful to ensure the brush
bristles are in the right direction as shown in
Fig. 17
. Ensure the drive notches of the two brushes
supports
Part. 4 and 24
(see
Tab. 1
) are inserted in the brush housing
Part. 15 Tab. 1
.
5.
To end assembly, repeat the operations in the reverse order .
Summary of Contents for SWL 990 ET
Page 18: ...18 TAVOLA 1 ...
Page 35: ...35 DRAWING 1 ...
Page 52: ...52 TABLE 1 ...
Page 69: ...69 ZEICHNUNG 1 ...
Page 86: ...86 TABLA 1 ...
Page 103: ...103 TABELA 1 ...
Page 137: ...137 TABULKA 1 ...
Page 138: ...138 7 700 0660 00 04 2022 ...