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OneoftheboundaryconditionsofcapacitywarrantyforDEEPBLUEhighvoltagebatte-
riesdescribedinchapter10isnottoexposethempermanentlytohightemperatures.
Sostorethebatteryattemperaturesofbelow+25°C(+77°F)wheneverpossible.
7.3 Replacement of propeller
If you want to replace the propeller on your own, switch off the whole system by
switchingkeyswitch,emergencystopand12Vbattery‘smainswitchoff.
1. LoosenthescrewsofHubVortex-Vane.
2. Withdraw the safety split pin of the castle nut.
3. Loosen castle nut and remove washer.
4. Replace the desired propeller
5. Tighten castle nut again (torque higher than 50 newtonmeter)
6. Secure castle nut with safety split pin against twisting.
7. SecurescrewsofHubVortex-Vanewithscrewsafetyvarnish.
7.4 Service
As the DEEP BLUE is an electric propulsion system, a number of outboard typical main-
tenanceissuesareirrelevant:nomotoroilchange,nooillterchange,noidlingmixture
setting, no fuel filter change, no spark plug change, no valve clearance checks, etc.
However, a couple of maintenance operations are necessary to guarantee a long service
life and the safe operation of the DEEP BLUE.