horn, current values of ≥ 5A may be found, with
voltage readings of 14 - 14.5V (regulator threshold
voltage).
If the readings do not match the above figures,
replace the regulator; otherwise check wiring
and connections.
Electric characteristic
Voltage regulator resistance
~ 8 MΩ
Sealed battery
INSTRUCTIONS FOR REFRESHING THE
STOCK CHARGE OF AN OPEN CIRCUIT
1) Voltage check
Before installing the battery on the vehicle, check
the open circuit voltage with a normal tester.
- If the voltage exceeds 12.60 V, the battery may
be installed without any renewal recharge.
- If voltage is below 12.60 V, a renewal recharge
is required as explained in 2).
2) Constant voltage battery charge mode
-Constant voltage equal to 14.40÷14.70V
-Initial charge voltage equal to 0.3÷0.5 for nominal
capacity
-Duration of the charge: 10 to 12 h recommended
Minimum 6 h
Maximum 24 h
3) Constant current battery charge mode
-Charge current equal to 1/10 of the nominal ca-
pacity of the battery
-Duration of the charge: 5 h
WARNING
-WHEN THE BATTERY IS REALLY FLAT (WELL BELOW
12.6V) IT MIGHT BE THAT 5 HOURS OF RECHARGING ARE
NOT ENOUGH TO ACHIEVE OPTIMAL PERFORMANCE.
IN THESE CONDITIONS IT IS HOWEVER ESSENTIAL NOT
TO EXCEED EIGHT HOURS OF CONTINUOUS RECHARG-
ING SO AS NOT TO DAMAGE THE BATTERY ITSELF.
1 Hold the vertical tube
2 Look at the level
MSS Fly 50 4T Electrical system
ELE SYS - 57
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