Assembly Instructions
Assembly
1HSB435410-2 enrev1 9
4. Assembly
4.1 Preparations
Before starting the assembly, make certain that all requisite tools and documents are
on hand.
• Standard tools with torque wrenches (10 - 430 Nm).
• Lifting devices and lifting slings.
• Lubricants, see Lubricants 1HSB445409-1 for suppliers and brand names.
Grease “G”: ABB article number1171 4014-407
Grease “SV”: ABB article number 1171 4016-610.
• Contact paste.
• Applicable dimension drawings and diagrams for the order.
4.1.1 Assembly markings
On delivery the circuit-breakers are supplied dismantled in transport units. The
component parts are marked to facilitate assembly. The circuit-breaker poles and
operating mechanisms have been tested together.
Check that the assembly markings correspond with Figure 4-1 and that the serial
number on the operating mechanism corresponds with the serial number of the
circuit-breaker.
Figure 4-1. Assembly markings.
Item
1 Operating
mechanism
2 Circuit-breaker
pole A1
3 Circuit-breaker
pole B1
4 Circuit-breaker
pole C1
1
2
3
4
B10085
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