Page 75
Issue 07/2011
Care and maintenance
Maintenance overview
6.1
Maintenance overview
Interval
Maintenance work
Executed by
every work day
Check insulation monitor
ð
Section 5.5.4, page 70.
user
Check the protective earth of
connected devices with protection
class I.
ð
Section 5.5.5, page 71.
user
monthly
On the generator:
y
Visual check for contamination or
damage. Clean where necessary.
y
Check the information and rating
plates, where necessary clean or
replace them.
y
Check the cooling air openings for
contaminants and blockages, clean
where necessary.
ð
Section 6.3, page 77.
user
front panel of switch cabinet:
y
Visual check for contamination or
damage. Clean where necessary.
y
Check the covers and power socket
covers to ensure they are sealed
tight.
ð
Section 6.3, page 77.
user
every 5,000
operating hours
every 20,000
operating hours
Check ball bearing using a “sound
check”. Replace if necessary (rough
running noises of the bearing).
qualified
electrician
Replace the ball bearings.
The standard maintenance interval
for replacement of the ball bearing is
20,000 hours. Replace the ball bearing
earlier (
ð
check every 5,000 hours)
where necessary.
ð
Section 6.4.1, page 79.
manufacturer
Summary of Contents for DWG (BL) 13/7-2 ZE
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