Hitachi CHROMASTER 5160 Instruction Manual page 124

(2) Cleaning
Preparation:
Hexagon wrench (Accessory, P/N: N315003, Size: B2.5)
(a) Remove fixation screws of the liquid leak sensor with a
hexagon wrench, and detach the liquid leak sensor
from a drain tray.
(b) Wipe up water on the liquid leak sensor and the drain
tray. And reinstall the liquid leak sensor on the drain
tray.
NOTE: When reinstalling the liquid leak sensor after
removing and cleaning, bring a tip of the sensor
into contact with the drain tray.
Fig. 4-3
NOTE: Please install the liquid leak sensor in the correct
position. Otherwise it may cause malfunction of the
sensor and an error.
4 - 8
Leak sensor fixation screw
Leak Sensor Fixation Screw