• Unscrew the 3 plastic nuts plus washers with a 14 mm nut driver, your fingers or carefully use pliers
• Use the 7 mm nut driver to remove the nuts
• Replace pcb and do steps 4 & 5 in reverse, continue with step 6

• Unscrew the 3 plastic nuts plus washers with a 14 mm nut driver, your fingers or carefully use pliers
• Use the 7 mm nut driver to remove the nuts
• Replace pcb and do steps 4 & 5 in reverse, continue with step 6