Explain the reason for the red knob beside the aircraft levers and describe how it is used?
Solenoid for emergency raising of u/c or if selector fails to move then roll red knob counter clockwise
at same time apply selector.
6. Explain the steps for the emergency lowering of the undercarriage?
1. Aileron boosters off.
2. Break doors on main system if possible.
3. Move source selector to down position and pump wheels down.
7. Has the P.38 an emergency method for lowering flaps?
No emergency system for flaps (some flap may be acquired by selecting back to main system and
pumping).
8. What are desired operating ranges of oil temperature oil pressure, fuel pressure, glycol temperature?
Oil temperature (75-90) min. 40
Oil pressure (60-70 mm. 55 (idling 15)
Fuel pressure (16-18 mm. 12 (idling 9) 24 - 25 on emergency
Glycol temp. (100-120) desired
9. What are the positions of the electric pitch switches in relation to one another?
Left switch is rear and right switch is forward
10. What two.positions can these switches be put in?
Automatic and manual toggling
11. What position are they in normally?
Automatic constant speed
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