COMPONENT MAINTENANCE MANUAL
BA27
24-01-01
T
h
is docum
ent
contains D
a
ta
control
led by th
e U.S. Export Admini
str
a
tion
Reg
u
lati
ons. Di
versio
n or use
contrary to U.S. law is
proh
ibit
ed
U
NOTE
U
: A dedicated lead acid battery charging room is not required for battery
commissioning. A normal electrical workshop may be used and the
battery can even be commissioned in a Nickel Cadmium battery room
without fear of contamination.
F. Commissioning
Procedure
(1)
Visually inspect the exterior of the battery casing for signs of damage,
cracks, corrosion, etc.
(2)
Examine the battery terminal connector for signs of corrosion, damage
and water/dirt ingress; clean if necessary.
(3)
Check open circuit voltage, if the open circuit voltage is greater than or
equal to 25.7 volts, the battery can be fitted to the aircraft.
(4)
If the open circuit voltage is greater than or equal to 25.3 volts but
lower than 25.7volts, charge in accordance with
paragraph H
.
(5)
If the open circuit voltage is below 25.3 volts: -
(a)
Charge the battery in accordance with paragraph H
.
(b)
On completion of recharge, allow the battery to stand open
circuit for minimum of 4 hours for the battery voltage to
stabilise.
(c)
Carry out a capacity test. Discharge the battery at 5 amps to an
end voltage of 20.0 volts.
Page 12
Aug 10/10