ABB ACS2000 AFE 1MVA - Page 170

CHAPTER 10 – PREVENTIVE AND CORRECTIVE MAINTENANCE 170
10.6.10 Checking wire and cable connections
Vibration can loosen electrical connections and
cause occasional malfunction or equipment failure.
• Check all power and control cable connections
and tighten them if necessary.
• Check that all plugs and connectors are tight.
10.6.11 Replacing filter mats
To replace a filter mat:
1. Unfasten the air intake panel upper supports
(1).
2. Remove the air intake panel (2).
3. Remove the filter mat (3) and clean it by using
compressed air or a vacuum cleaner. Perform
this operation away from the drive to prevent
dust from entering.
NOTICE
Capacito r bushings are dam aged when excessive
fo rc e is applied.
Do not exceed th e maximum tightening to rq u e .
The tightening to rq u e value is printed on a label
which is a tta ch e d to th e capacito r. If not sp ecified,
th e maximum tightening to rq u e must not exceed
20 Nm .
!
For information on replacement intervals,
see the ACS2000 preventive mainte-
nance schedule.
Standard Option
Filter class
(EN779 classification)
G3 G4
Dimensions
See
layout
drawing
See layout
drawing
—
10-12
1. Supports
2. Air intake panel
3. Filter mat
1
1
3
2
—
References
—
10-12 Replacing filter
mats
Thickness 10 mm 20 mm
Standard Option