75
MAITENANCE E CLEANING
BSS-134
CHAP.- 10
Locking using the pins
For a good fastening, and to facilitate future dismantling, make a hole on the shaft to host the point
of the locking pin. Upon drilling, fi rstly remove the pin and position the unit on the shaft.
Choose a drill bit with size corresponding to the lower diameter of the threading of the internal ring
and make a hole on the shaft of 1 or 2 mm. Put back the pin and fasten on shaft as usual.
Ball Bearings
All ball bearings assembled on the machine are equipped with protection against dust and humidity
which also prevents the leaking of the grease.
Check their effi ciency and, in particular, that functioning is regular and silent.
Check wear of contactors
1) Open the electric control board containing the contactors.
2) Restore power supply to the electric control board by rotating the main switch.
3) Place the machine in automatic start and observe the contactors during their functioning.
4) Replace the contactors that “fl are up” with contactors of equal features.
Check protection circuit
1) Visually inspect all earth connections inside the electric control board and between the various
parts of the machine, checking they are in order.
2) Carry out an instrumental check of the protection circuit with methods and instruments compliant
with that prescribed in the Standard in force in the country of use of the machine.
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