Replace the pistons
Open the front door.
1. Unplug the wire connector of the LED.
2. Loosen the three screws on the top of piston module (3mm Hex wrench), and take
off the LED module.
3. Screw off the eight screws on the acrylic nameplate at the front side (2.5mm Hex
wrench).
4. Screw off the four screws on the metal sheet (2.5mm Hex wrench).
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