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9.4 Repairs
9.4.1 Sw itchgear in general
Repair of surface damage:
Carry out repair work immediately after a defect
has been discovered.
Completely
remove
paintwork areas on steel sheet and other steel
parts by mechanical means, e.g. with a wire brush.
Lightly
grind
the
carefully
degrease
immediately apply an anti -rust primer and, after an
appropriate hardening time, apply the top coat.
Only use suitable and compatible paint products.
Apply the top coat in standard RAL 7035 col our, or
the relevant special colour.
Carefully remove any white rust on high qualit y
galvanized steel surfaces with a wire brush or
cleaning pad, e.g. Scotch-Brite, and clean loosely
adhering particles with a dry, non-fraying cloth.
Next treat the cleaned parts with zinc spray or zinc
powder paint and, finally, treat with aluminium
spray for colour matching.
Carefully remove any white rust from passivated
operating parts and rust formation on phosphatised
parts with a wire brush or metal -free cleaning pad,
e.g. Scotch-Brite, and clean with a dry cloth. Then
grease evenly (with mechanical grease for moving
parts).
Apparatus in general:
Follow
the
maintenance
manuals for individual equipment components.
Check that the bolt connections a t the contact
points
in
the
busbar
connections are tight, and that the contact system
functions correctly.
W here necessary, grease slide plates and bearings
in the panel again or thoroughly clean them. Then
grease them again with mecha nical grease for
moving parts lubricant.
Top up grease on contact areas in the contact
system when corroded or otherwise as necessary,
or, when lubrication is inadequate or missing,
thoroughly clean the areas concerned and grease
them again with mechanical grease for moving
parts lubricant.
68
all
rust
from
damaged
surr ounding
paint
coat
the
entire
area.
instructions
system
and
the
9.5 Accessories and spare parts
W ARNING
Either our personnel or qualified skilled customer
personnel must mount the spare parts and/or the
accessories, carefully follow ing the instructions
supplied.
Before performing any operation, make sure that
and
all the apparatus is open and deenergised (main
Then
and auxiliary circuits)
For any enquiry about spare part availability and
ordering, contact the ABB Service Department.
9.5.1. Accessories and operating tools
Standard completion accessories
The switchgear is usually supplied with:
side panels for closing the switchgear ends
operating lever forthree-position disconnector
extension blade for earthing connection for cable
test equipment (ENA version only)
project diagrams and drawings
instructions
maintenance
Completion accessories on request
On request, the switchgear can be supplied with the
following accessories:
in
the
base irons for fixing the switchgear to the floor
expansion
earth
switchgear to the floor
support shelf for levers and handles
lifting bolts
low voltage compartment metallic grid with or
without lighting
anti-condensation heaters and thermostat (rated
voltage values: 110 -220 V)
protection and auxiliary relays, control knobs,
position indicators, flag relays, circuit-breakers
and fuses, terminal boxes, etc .
low voltage compartment lighting lamp plus 220 V
AC socket
9.5.2. Spare parts, auxiliary materials
Consumable materials, such as indicator lamps, fuses,
and terminals for terminal boxes must be stocked in
suitable quantities. For the apparatus, ref er to the
relevant
installation,
instructions.
according to use and assessed each time:
protection relays; auxiliary relays
control knobs; position indicators
auxiliary circuit-breakers; sockets
Auxiliary materials, lubricants
Lubricant - SYN-setral-EK 339
Halogen-free cleansers (optional) - ETHANOL F 25
M (for general cleaning)
Touch-up paint (optional) - Standard colour RAL
7035.
for
installation,
and
anchoring
bolts
service
and
Other
components
must
operation
and
for
fixing
the
maintenance
be
stocked
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