Hatz 2-4L30 Workshop Manual page 133

– Unscrew the earth (ground) strap and
the + line from the rear panel of the
enclosure.
– Take off the rear panel with intake duct;
see Fig. 161.
– Unscrew the cover from the air guide
housing (162/1).
– Take out the screws holding the fan im-
peller (162/2) and remove the impeller.
– Take off the air guide housing;
see Fig. 163.
Checking the parts:
– Examine the various sections of the en-
closure for damage.
– Renew damaged or incomplete sealing
strips.
Assembling:
– Assemble the enclosure by following the
dismantling instructions in the reverse
order as appropriate.
Note:
Make sure that all enclosure sections are
carefully installed and that all sealing
strips are seated correctly. Unless the en-
closure is completely sealed, neither the
potential level of noise reduction nor ade-
quate cooling can be ensured.
161
162
163
3
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