ABB PCS 6000 System Distribution Panel Using the Spreading Tool PCM02 3BHE057853R0001

Date: Sept 11, 2025 Views: 879

　　Stack misalignment due to the incorrect use of the spreading tool can damage the semiconductors.

　　▶ Only use the spreading tool on released stacks.

　　▶ Always support the spreading tool with your hand (arrow in Fig. 10–8).

　　▶ Always insert the spreading tool horizontally into a stack. DO NOT attempt to insert the tool from any other angle.

　　Figure 10–8 Manual support during spreading tool insertion

　　Procedure:

　　1. Insert the spreading tool completely into the slots of the coolers (heat sink) above and below the faulty semiconductor as shown in Fig. 10–9.

　　Figure 10–9 Spreading tool insertion

　　2. Expand the spreading tool by turning the middle rod with a 13 mm wrench to lift off the top heat sink so that the semiconductor can be removed (see Fig. 10–10).

　　NOTICE Excessive lifting might cause damage to the stack! DO NOT separate the two heat sinks more than necessary to remove the semiconductor.

　　Figure 10–10 Spreading tool expansion

　　– For replacing the neutral point diodes the spreading tool must be applied over three heat sinks (see Fig. 10–11).

　　Figure 10–11 Spreading tool applied over three heat sinks

　　IMPORTANT! The spreading tool must not be spread too far; the gear wheels must grip into each other at least 3 mm.

　　Fig. 10–12 shows an example of the use of the spreading tool, inserted in the IGCT stack. Turning the wrench clockwise would open the stack.

3BHS600000_E80_RevF_Service_Manual_PCS6000 Using the spreading tool(2).pdf

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