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PPL - AGK > Oil System > Flashcards

Oil System Flashcards

1
Q

What are 5 purposes of an oil system

A
  1. Lubrication
  2. Sealing
  3. Cooling
  4. Cleaning
  5. Protection

The cool seal lubes up and wears protection to stay clean

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2
Q

When must oil be checked and be within specified limits

A

BEFORE EVERY FLIGHT

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3
Q

How tightly must an oil filler cap be tightened

A

LIGHT FINGER TIGHT

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4
Q

What are the 2 typical types of oil used

A
  1. “Straight” (S) - Mineral
  2. “W” - Ashless Dispersant
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5
Q

When is “straight” oil preferrably used
What quality does it lack

A
  1. Engine with new parts
  2. Less lubricating qualities

Used in engines with new parts for wear in

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6
Q

Aditives in “W” type oil have what 2 benefits

A
  1. Prevent Corrosion
  2. Dissolve particals and other fluids
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7
Q

What 2 grades of oil are typically used

A
  1. 80 / S80 / W80
  2. 100 / S100 / W100
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8
Q

The grade of oil to be used is dependent on what

A

AMBIENT AIR TEMPERATURE

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9
Q

Higher grade oil numbers have THINNER or THICKER oil for a given air temperature

A

THICKER

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10
Q

In relation to oils,
1. What must you NOT mix
2. What is OK to mix

A
  1. Oil Types i.e. S & W
  2. Oil Grades i.e. 80 & 100
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11
Q

How does oil collect in a WET SUMP oil system

A

BOTTOM OF ENGINE

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12
Q

How does oil collect in a DRY SUMP oil system

A

SCAVENGE PUMP

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13
Q

What are the 2 oil system sump types

A
  1. WET
  2. DRY
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14
Q

Takes oil from the sump and provides oil at pressure to the rest of the engine

A

OIL PUMP

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15
Q

Allows particulates to be trapped

A

OIL FILTER

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16
Q

Allows for reduction in oil temperature

A

OIL COOLER

17
Q

How is an oil cooler cooled

A

AIRFLOW

18
Q

What component allows oil to bypass the oil cooler system should it become blocked

A

OIL COOLER PRESSURE RELIF VALVE

19
Q

What side of the pressurised system is the Oil Pressure Sensor located

A

HIGH PRESSURE SIDE

High pressure side of the oil distribution system

20
Q

Component attached to the oil temperature sensor to provide the pilot with an indication of temperature

A

OIL TEMPERATURE GAUGE

21
Q

After engine start, what gauge should always be checked first
After how long should engine be shut down if gauge does not rise

A
  1. OIL PRESSURE
  2. 30 SECONDS

PPL - AGK (20 decks)

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