Oil System Flashcards
1
Q
What are all the Functions of Engine Oil?
A
- Cools
- Cleans
- Lubricates
- Engine Health Indicator
2
Q
What are the components of the (3-element) Oil Pump?
A
- One Pressure Element
- Two Scavenge Elements
- One for No. 1 and 2 bearings and gearbox
- One for No. 3 and 4 bearings
3
Q
Best way to check the Oil?
A
With the Dipstick within 30 minutes after shutdown
4
Q
What is the function of the Oil Pressure Relief Valve?
A
Bypasses oil in excess of normal range to inlet of pressure pump
5
Q
What are the components of the Oil Cooler?
A
- Oil to fuel heat exchanger design
- Cools oil but does not heat fuel
- Always in use, no thermostatic bypass
6
Q
What are the components of the Oil Filter?
A
- Disposable cartridge
- Absolute rating of 25 microns
- Rated flow of 3.5 GPM
- Integral bypass for clogging
- Filter bypasses as differential pressure approaches 30 PSID
7
Q
What type of Oil is used?
A
Mobil Jet Oil II/Mobil 254 (MIL L 23699)
8
Q
What is the Maximum Windmilling during shutdown time?
A
15 Minutes
