Eaton Corporation Page 44 Ver 1.1In order to utilize an opening hole in the inner level area, it is necessary touse the required tools such as a slotted screwdriver with a hammer to knockat the certain point repeatedly as figure 6.4.6 indicated:Figure 6.4.6: Knocking point of inner levelIn order to dash an opening hole at outer level area, it is necessary to use therequired tools to strike (knock) at the certain points repeatedly in order toopen a hole for wiring as shown in figure 6.4.7.Figure 6.4.7: Knocking point of outer levelIMPORTANTBe sure to follow all instructions to strike/knock-out the opening holeby the proper procedures. Otherwise, the opening area of knockoutcan be easily damaged if improper tools are used or any improperprocedures are done for the opening, please beware.1st Step: Use tools to target upper strick point and to knock once.2nd Step: Use tools to target bottom strick point and to knock again.Last Step: Repeat the1st and 2nd step until the hole of inner level is opened.1st Step: Use tools to target left-hand side strike point and to knock once.2nd Step: Use tools to target right-hand side strike point and to knock again.Last Step: Repeat 1st and 2nd step until the hole of outer level is opened.