KERN FTB Service Manual

Also see for FTB: Operating instructions Operating instructions

Contents

KERN FTB Service Manual Manual pdf 48 page image

FTx/ITx-SH-e-0720 496 Repair of terminals6.1 Important informationWhen performing repairs please refer to the exploded view drawings and lists of spare parts in Chapter 4 of this manual.Important: After replacing components, a functional check of the terminal must always be carried out.6.1.1 Safety and environmentWhenever repairs are carried out, the following safety precautions must always be taken:– The terminal must be disconnected from the power supply before repairwork is started!– The terminal and the OptionPac contain electronic components which can bedamaged by electrostatic discharges. You must therefore always wear agrounded wriststrap when performing repair work. Grounded wriststrapscan be purchased from specialist electronics dealers.– Defective components must be disposed of according to the instructions inChapter 1!6.1.2 Tools and working aids– Torx screwdrivers T10, T20, and T30– Phillips screwdrivers size 2– Insulated slotted-head screwdriver (with plastic-covered shaft), size 4– Grounded wriststrap (to protect against electrostatic discharges)6.1.3 Work instructionsTake great care when inserting and tightening screws into holes tapped directly into the aluminum casting: After insertingthe screw, always turn it first about 1 turn counterclockwise until it engages in the existing thread, and only then screw ittight! Do not tighten the screw too much, since this may damage the thread in the aluminum casting!6.2 Disassembling/reassembling the terminal• Remove base plate from terminal or OptionPac (8 screws, Torx T20).• If OptionPac is installed: Disconnect all cable connections between OptionPac and terminal in OptionPac.Tip: Note where cables are connected. Unfasten OptionPac from terminal (4 Phillips screws) and lift off.• Reassemble in reverse order.