ABB OVB-SDB, Инструкция по эксплуатации

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4.1 General
As supplied from ABB Ltd., Nasik the circuit breaker are complete in all respect with all
the necessary settings for smooth and trouble free operations of the circuit breaker. All
the moving parts of the circuit breaker are positioned correctly and coupled together and
they are well secured with the fasteners.
It is recommended to use standard tools and standard practices for lifting and transport
of the circuit breaker at time of erection so as to avoid mechanical damage of the pole
parts. In general the lifting of the circuit breaker shall be done as shown in Fig.1 (page 50)
4.2 Erection procedure
Attach consignment unit breaker assembly with crane using hooks (Fig.1,
page no 50.)
Place the support plate of the mounting structure leg assembly on the prepared
foundation; tighten the structure with the foundation bolts with the specified
hardware (Fig.2&3, page no 51& 52.).
The exact location and the method of foundation can be obtained from the
installation layout plan or a general arrangement drawing (Fig. 2&3, page no
51 & 52.)
The complete circuit breaker with control cabinet has to be mounted on the
structure as shown in GA drawing (Fig.2&3, page no 51 & 52.) in such a manner
to achieve minimum required ground clearance.
Once the height is maintained, the fasteners shall be tightened.
Ensure the level of the breaker by spirit level.
4.1.1 Preparations
The following are to be made available --
An erection crane with a load carrying capacity of about 1000 kg, and a crane
hook with height of at least 4 m (= 13 feet) above the floor.
Lifting ropes.
Dimension drawings, erection drawings, wiring and circuit diagram.
Torque wrench for a range of 6-100 NM
Circlip pliers.
Commercially available set of open and ring spanners size from 7 mm to 43 mm.
Cleaning and working material like cloth etc.
Conducting grease.
Spirit level.
4.0 ERECTION