LANCE II SERVICE
MANUAL
11-77. HYDROMETER
READING AND
BATTERY CHARGE PER CENT.
Hydrometer Reading
1280
1250
1220
1190
1160
1130 or below
Per
cent of
Charge
100
75
50
25
Very little useful capacity
discharged
11-78. REMOVAL
AND INSTALLATION
OF BATTERY.
a. Remove the external access panel and the floor panel located in the forward baggage
compartment.
b. Cut the safety wire and remove
the wing nuts that secure the battery
box cover.
c. Disconnect the battery cables.
NOTE
Always remove the ground cable first and install last to
prevent accidental short circuiting or arcing.
d. Lift the battery from the box.
e. The. battery may be installed in reverse order of removal.
CAUTION
Do not install battery with reverse polarity. Connect ground
to negative terminal of battery.
11-79. CORROSION
PREVENTION. The battery should
be checked for spilled electrolyte
or corrosion at least each 50 hour inspection or at least every 30 days, whichever comes
first.
Should this be found in the box, on
the terminals or around the battery,
the battery
should be removed
and both the box and battery
cleaned by the following procedure:
a. Remove
the box drain cap from the underside
of the fuselage and drain off
any
electrolyte that may have overflowed into the box.
b. Clean the battery and the box. Corrosion effects may be neutralized by applying a
solution of baking soda and water mixed to a consistency of thin cream. The application of
this mixture should be applied until all bubbling action has ceased.
CAUTION
Do not allow soda solution to enter battery.
Issued:
1/3/78
ELECTRICAL
SYSTEM
2H12
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