Replace the carbon brushes being
careful not to ruin them during as-
sembly.
(see fig.
Proceed to the reverse operations to
reassemble it all.
6.4.2
Brass bushings
Checks:
The brass bushings allow a fluid and
little tiring rotational movement of the
base. To prevent the base is locked in a
position without the possibility of move-
ment, is important that the brass bush-
ings are in good condition and clean. In
case of excessive wear it is necessary to
proceed with the replacement.
Maintenance:
Brass bushings replacement:
Procedure:
Secure the machine.
Remove the screws that secure the
base to the machine body.
Remove the base from the machine.
)
6.4.2-7 Base fixing screws 6.4.2-8 Base fixing screws
Remove the bushings and replace
them with new bushings.
Proceed to the reverse operations to
reassemble it all, sprinkle the new
bushings with lubricating grease be-
fore mounting.
Adjust to the base once finished.
6-69
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