How To Perform The Required Checks; Replacing The Blade - Berkel BS+2020 T Manual De Uso

7.6

How to perform the required checks

7.6.1 Blade tensioning setting (Fig. 7.6.1)
Blade tensioning could be settled mechanically moving knob "1". Rotate the knob
in position "A" (Fig. 7.6.1) blade is tensioning. To unblock the blade rotate the knob
in the position "B".
ATTENTION! This operation is very delicated and dangerous, it must be done
exclusively by qualified staff, expressly authorized.
7.6.2 Replacing the blade (Fig. 7.6.2)
1
3
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Set the differential switch fitted upstream to "0" and disconnect the mains plug.
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Open the casing "1" rotating knobs "3".
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Release knob "2" as indicated in fig. 7.6.2 arrow "B".
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Take the blade away from the pulleys.
-
Before assembling the new blade, clean carefully the pulleys and the blade-guide.
Every time the blade is replaced, we suggest to remove the higher pulley and to
clean carefully the machine. When the pulley is removed, check the conditions of
the tight-bearings. If they are noising, replace them.
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Assemble the new blade.
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Stretch the blade rotating the knob in position "A" (Fig. 7.6.2).
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Check the positioning of the blade on the pulleys:
the blade must lean on the pulleys, except for the sharp part that must jut out of
the pulley. See picture 7.6.3.
- Rotate by hands the pulleys and check the right positioning of the blade.
-
Close casing "1" and lock it by knobs "3".
26
Fig. 7.6.1
Fig. 7.6.2