Test 1 Flashcards
What are the main parts of fuel system?
Tanks, supply system, refuel and vent system, monitoring system
What voltage is the supply system?
28.5V
The arreagement of P/N’s at ATA chapter within MSM is seen as what?
Guidance material only
Time change items, their part numbers and life limits are listed where?
Ch4 Master Servicing Manual
The operation peroid of a unit is limited by what?
IN-SERVICE TIME
What is the in-service-time called?
Time Between Overhaul
What percentage may a time limit be exeeded by?
10% limited to 300hr
If two parts of assemebly have differnt TBO’s, which takes preferance?
the one with the lower TBO time
Inclined lines start where?
WL 1505
Heli is jacked with what?
4 jacks, 4 jacking brackets attached to the landing gear bearing rings and one tail boom stand
what is installed for weighing?
weighing brackets
before weighing, the fuel tanks must what?
be defueled
heli can be moved how many ways in the AMM?
2 ways, manually with wheels in fornt of the after crosstube or by a lifting platfrom
Closing all doors and windows and access doors must be done when?
when parking the aircraft
AMM task 20-00-00,2-1 describes some precuders such as?
connection of a wiring of the frequency generator
Flap valves are controlled by what cable?
a bowden cable
Flap valves are moved how?
by the push for air knob
instrument cooling is composed by what?
an avionic cooling blower?
intrument cooling is controlled by what?
a thermoswitch
the R/H NACA duct and recirculation duct is for cooling what?
Avionics
What temperture sensor is installed inside the recirculation duct?
82 C
Which temp switch is installed in the mixing valve outlet duct?
105 C
What will the 105C mixing valve outlet duct trigger?
caution HEATING OVERTEMP
Where is the battery relay located?
in the battery box at the AFT R/H cargo compartment?
When is the aircrfat battery charged?
only by the airfcraft gens
the GCUs installed below the LH AFT JUNCTION BOXES and R?H aft window contain what?
power generation control and protection circuits
Where are the current sensors installed?
in the aft junction boxes and LH/RH cargo compartment
How many batteries are there?
2 batteries on the r/h aft deck
battery master switch is used to control what?
the battery, external power and the bus tie relays
what is the overtemp switch triggers at in the battery casing?
71C
BATTERY DISCHARGING caution will appear when?
cuurent above 40A more than 4s, current above 5A & BUS voltage below 24.5V, more than 3 mins with current below 40A, or when venting the engines
When is the BAT DISCHARGING caution supressed?
if the EPU is in use
When will the STBY BAT DISCH caution illuminate?
If the output voltage of the emergency power supply exceeds 5VDC
What is the use of the external power control relay?
provides ground signal to energize external power relay or battery relay, DEPENDING IF EPU IS CONNECTED
The HELIONIX uses the condition of the external power relay for what?
to dectect if an EPU is connected and energized
Where is the receptacle for the external power?
behind the R/H AFT cargo compartment door (side shell below the lower maintenance step)
The MAIN BUSes 1&2 are connect to the BAT BUS by what?
the BUS TIE
BUS TIE relays can be opened automatically or manually?
both
a battery charging will be shown on the FND by what?
-20 A
Each AMC is made up of what?
Two seperate acquisition and processing units, two blower fans and are physicaly seperated
Where is the DTD powered from?
ESS BUS 2
Where are the controls for the co-pilot MFD?
on the multifunction control panel (MCP)
Are the MFDs actively or passively cooled?
passively, as they don’t have their own fan
The processor unit of the MFD intergrates what?
a display board with two CPU’s and two symbol generators
After shutting the power off the aircraft or switching of an MFD, how long should be taken before switching power back on?
30s
What is used for the Primary Configuration File verification?
the memory module (ATA 46)
