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BUOYANCY CHAMBER - Pressure
Thus, it is important to anticipate:
Check and adjust the pressure of the inflatable compartments (inflating or deflating according
to the case) according to the temperature variations (especially when there is a considerable
difference in temperature between morning and evening in particularly hot areas) and make
sure that the pressure remains within the recommended pressure range (from 220 to 270 mb /
green sector).
RISK OF UNDERPRESSURE:
EXAMPLE:
Your boat is exposed to direct sunlight on the beach (temperature=50°C)
at the recommended pressure (240 mb/3.4 PSI). When you launch it (temperature=20°C), the
temperature and internal pressure of the inflatable compartments will drop simultaneously (up
to 120 mb) and
YOU WILL THEN NEED TO REINFLATE
until you regain the millibars
lost due to the difference between the ambient air and water temperatures. A drop in pressure
at the end of the day, when the outside temperature is dropping, is normal.
RISK OF OVERPRESSURE:
EXAMPLE:
Your boat is inflated to its recommended pressure (240 mb/3.4 PSI) at
the beginning or end of the day (low outside temperature = 10°C). Later in the day, your boat
is exposed in the sun on the beach or on a yacht deck (temperature = 50°C). The temperature
inside the inflatable compartments may rise to 70°C (particularly for dark buoyancy
chambers), doubling the initial pressure (480 mb).
YOU WILL THEN NEED TO
DEFLATE
the boat to return to the recommended pressure.
CAUTION
IF YOUR BOAT IS OVERINFLATED, THERE WILL BE UNDUE
PRESSURE ON THE INFLATABLE STRUCTURE THAT MAY
RUPTURE IT.
IN THE EVENT OF OVERPRESSURE
EASY - PUSH VALVE:
Release air by depressing the
valve plunger
Summary of Contents for NZO 700
Page 1: ...Page 1 68 E N G L I S H Owner s Manual Volume 2...
Page 32: ...Page 32 68 INSTALLATION AND CIRCUIT Electricity IV 2 Electricity IV 2 1 Layout diagram...
Page 62: ...Page 62 68 LABELLING V 2 DESCRIPTION OF SAFETY LABELS AND REGISTRATION PLATES 1 4 3 2...
Page 66: ...Page 66 68 LOCATION OF OPTIONAL ACCESSORIES VI 3 PLOTTER VHF not supplied VHF Plotter...