External Walk-Around Flashcards
What is minimum battery voltage?
22.5 V
From 22.5 - 21.0’ the batteries bay be charged prior to takeoff.
Recharge time is based on battery temp.
Below 21.0, maintenance must be called.
How do we know if GPU is usable?
AVAIL light is illuminated.
Why is battery charging important prior to takeoff?
In case of electrical failure, you,want the batteries fully charged to give yourself the most time to get on the ground.
What color is hydraulic fluid?
Skydrol is PURPLE.
What are the SE taxi procures as they relate to the hydraulic system?
Taxi out on #2 only, hydraulic pump 1 must be ON.
Set pump back to auto after #1 engine start.
What is the PTUs function?
Transfers hydraulic POWER from one system to the other.
Pump in system 2 that is driven by a motor in system 1.
PTU assists in landing gear extension and retraction should the right engine or right EDP fail.
In AUTO, will activate during takeoff or landing.
Conditions for PTU to activate?
Flaps NOT set to 0, or gear is NOT up and locked.
EDP 1 NOT failed.
HYD Reservoir 2 quantity is above 12%
What is the PTU function during preflight?
Hydraulic system warmup.
Warmup is done prior to starting engines when temps are below 18C.
Cargo weight limitations?
Forward 3306 lbs
Aft 2535 lbs.
Other cargo Limitations?
Animals must be in forward.
No dry ice in same bay as animals.
Max wind to open 40
Max Wind when locked open 60
On preflight, what do you look for when inspecting the brakes?
sufficient hydraulic pressure to activate the E-brake.
check the brake wear indicators.
Inspect Pads for damage.
Potable water system required to be drained?
Water system must be drained when temps are 0C or colder on a RON.
Verification form must be completed and left of the CA seat for FFOD.
