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Nanni N4.65 - Raw Water System; Siphon Breaker; Zinc Sacrificial Anode Check

Nanni N4.65
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68
RAW WATER SYSTEM
DANGER !
When the boat is on the water, water can flow into the
boat via components located below the waterline. Close
the raw water cock (if tted) or prevent water discharge
before working on the raw water system.
NOTE !
If there’s any risk of frost, raw water system should be
drained.
ZINC SACRIFICIAL ANODE CHECK
Zinc anode is located on the heat exchanger, at the
opposite side of the alternator as shown on picture
below :
Zinc anodes
SIPHON BREAKER
DANGER !
Close the sea cock before any operation on the siphon
breaker.
NOTE !
Siphon-breaker itself is not part of maintenance
sheddule, but check regularly that the ducts are in good
condition during the walk around. Please keep in mind
that a siphon-breaker is compulsory if top of exhaust
elbow is below the waterline.
CAUTION !
A faulty operation of the siphon breaker will lead to
water entry in the engine.
Inspect it regularly and clean it following the instructions
given by the manufacturer.
On above picture: siphon breaker in blue.
S08 MAINTENANCE

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