88
7
BAR FEEDER MAINTENANCE
302.034
7.2.8 Driving motor brushes - Wear inspection
The brush wear inspection has to be carried out every 1250 hours, or
when, after enabling the lathe power supply,
the following mes-
sage appears:
Inspect brushes as follows:
•
Remove two guards
A
and
B
.
❑
❑
❑
❑
MINI BOSS
•
Remove plugs
C
, brushes
D
and bell
E
.
•
Blow air into brush housings
D
and into bell hole
E
in
order to completely eliminate the inner dust due to the
brush wear.
•
Replace brushes
D
if they are less than 9 mm in length.
•
Reassemble bell
E
, plugs
C
and the guards previously re-
moved.
❑
❑
❑
❑
BOSS
•
Remove plugs
C
, brushes
D
, bell
E
and cover
F
.
•
Blow air into brush housigngs
D
, bell hole
E
and ter-
minal board housing
G
, in order to completely elimi-
nate the inner dust due to the brush wear.
•
Replace brushes
D
if they are less than 11 mm in
length.
•
Reassemble cover
F
, bell
E
, plugs
C
and the guards
previously removed.
A T T E N T I O N : e x e c u t e
m o t o r
m a i n t e n .
34.111 Ec. 0
B
A
34.125 Ec. 1
D
E
D
C
34.152 Ec. 1
A
D
F
E
G
C
D
D
Summary of Contents for BOSS 542 CNC
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