BEECHCRAFT
Duchess
76
Section
VIII
Handling,
Serv
and
Maint
A systematic battery maintenance program should be estab-
lished and carefully followed and a log maintained of services
performed. The battery must be kept clean and dry for
peak
performance. If foreign materials are present in sufficient
quantities, the resultant deposits may form conductive paths
that permit a rapid discharge of the battery.
The
battery
should be serviced and cleaned after each 100 hours of
service or 30 days, whichever occurs first,
as
outlined in the
Duchess 76 Maintenance Manual. Clean, tight connections
should be maintained at all times.
Battery
vents
should
be
checked
periodically
for
obstructions and for proper protrusion (one to three inches)
from the skin line. Since either vent may serve as the intake,
one
vent:
chamfer should face forward, the other aft (ME-1
thru ME-182).
Airplanes
ME-183
and
after
have
no
protruding tubes. These vents
are
designed to produce a
venturi effect.
TIRES
The
main wheel tires are 6.00x6, 6-ply rating, type \\I tube
type. The nose wheel tire is a 5.00x5, 6-ply rating, type
III
tube type.
Inflatethe.Jiresjtom38t\p~H~
When installing a new nose wheel
tire, ensure that there is .15 to .25 inch clearance between
the fork and the inflated new tire. Maintaining the recom-
mended tire inflation will help to avoid damage from landing
shock and contact with sharp stones
and
ruts,
and
will
minimize tread wear. When inflating tires, inspect them visu-
ally for cracks, breaks, wear, or evidence of internal damage.
April
1979
8-17
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