TM55-1500-345-23
7 - 4 7 . MARKINGS FOR ALL AIRCRAFT
(2) RED RADIAL. Indicates maximum permissible
A.)
positive acceleration at design gross weight.
(3) RED RADIAL. Indicates maximum permissible
(1) LOWER RED RADIAL. Indicate. minimum oil
negative acceleration at maximum gross weight.
pressure permissible in flight.
(2) GREEN ARC. Indicates desirable oil pressure
range during continuous operation.
(3) UPPER RED RADIAL. Indicates maximum per-
missible oil pressure.
(1) YELLOW RADIAL. Indicates pressure re-
quired for one brake application.
(2) GREEN ARC. Indicates normal operating pres-
detail B.)
sure. The lower end of this arc indicates hydraulic
(1) LOWER RED RADIAL. Indicates minimum per-
pump cut-in pressure and the upper end indicates cut-
missible temperature during flight.
out pressure.
(2) GREEN ARC. Indicates desirable temperature
(3) RED RADIAL. Indicates maximum permissible
during continuous operation.
pressure.
(3) UPPER RED RADIAL. Indicates maximum per-
missible temperature.
(1) RED RADIAL. Indicates minimum desirable
suction.
details C and D.)
(2) GREEN ARC. Indicates desirable suction
(1) YELLOW RADIAL. Indicates maximum per-
range.
missible airspeed with either full flaps or landing
gear extended. When the maximum permissible speed
(3) RED RADIAL. Indicates maximum desirable
with flaps down differs from that with gear down, the
suction.
lower speed and condition will be given. A notation
in parenthesis will also be included to show the higher
limiting speed and condition.
(2) RED RADIAL. Indicates maximum permissible
(1) GREEN ARC. Indicates desirable pressure
diving speed at design gross weight.
range.
(3) YELLOW ARC. Defines the range of maximum
(2) RED RADIAL. Indicates maximum permissible
permissible diving speeds from maximum to design
pressure.
gross weight.
E.)
Same as oil pressure gage. (Refer to sub-
(1) RED RADIAL. Indicates maximum permissible
paragraph a).
positive acceleration at maximum gross weight.
