• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/12

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

12 Cards in this Set

  • Front
  • Back
APU accumulator pressure
2700-3100 psi
What is the required postion of the sonobuoy vent valve?
Turn to vent. Check pressure on lower bottle.
What is the required pressure of rotor break?
450-690. Can pump it up to correct pressure.
What is possible problem if all lights fail on light check.
Check IR switch.
What 3 positions are there on the ELT and which postion should it be in.
On, Off, Arm. Should be in Arm.
How do you measure the gear boxes for servicing?
Measure in inches. Must wait 30-2hr to measure hot side of mgb. 2hr or more to measure cold side of mgb. Service gear boxes with DOD-PRF-85734.(6hr before checking oil levels is the most bomb)
How do you measure the engine oil servicing levels?
Measure in ounces. Must wait 20 minutes after shut down. Service with MIL-PRF-23699.
Servicing APU.
Must wait 1 hr after shut down
What could be the cause of purple tgb oil and what is solution?
Purple discoloration of tail gear box oil is result of chemical reaction between an oil additive (quinizarine) and magnesium, and is not cause for tail gear box replacement. If discoloration is found, inspect tail gear box for corrosion
What is allowable play in main rotor blade lockpins and what are they made of?
1/4 of a turn, copper beryllium.
When are fuel samples taken and why?
Prior to the first flight of the day because sample is only good for 24 hours.
How many pdi's on the helicopter and where are they
2 on each pump (8) and 2 on each engine (4) and 1 on MGB for a total of 13.