8/12 Notes Flashcards
IGNITION - What are the 3 switch positions and operations
on - on - main DC
SEC - on - EMER power
NORM - off till start, engine anti-ice - main DC
Fire button pressed what happens
Gen. field relay disconnect, cutoff hydraulics and fuel, lock out TR’s, arm bottles
FUEL - Name the pumps and what they do
- Primary ejector pump - gets motive flow going
- Scavenge ejector pump - in lower points in system keep motive flow going
- DC boost pump (low pressure) - in fuel hopper initially supplies fuel to L/R eng driven pumps and APU (right pump)
- Engine driven pump (high pressure) - provides H/P fuel to engine
Door indicators
Aft bag Batt door Cabin entry Emer exit Nose doors Tailcone door Lav interior door
Boost pump switch positions and operations
On- on
Off- off
NORM - off till start, xfeed, LO FUEL PRESS light (360+-20lbs) but should be on at <400lbs
Service Air
- Door seals
- Outflow valves
- Deice boots
- Detents
Hydraulics info
“Open centered system, electrically controlled, hydraulically actuated”
- 2 const. vol. hyd pumps
- Reservoir
- Skydrol fluid
Hydraulics subsystems
TR's Flaps Landing Gear Speed Brakes Stab
Landing Gear
- 6 seconds extend/retract
- Gear get priority over flaps & stab
- Stab locked out while gear are moving
Gear Aural warning
-Gear not down and locked, <70%N2, Flaps >15* or RA<500AGL or <150kts
Antiskid
- inop below 10kts
- DC main
- Locked wheel protection - 5 seconds or 40kts prevents landing with brakes applied
Moveable stab
+1* cruise - Flaps UP
-2* t/o ldg - Flaps 7-35
Movement restricted below 215+-10 kts
VG’s Boundary Layer Energizers, Static Wicks
VG: 26/wing, max 3 missing
BLE: 11/wing, none can be missing
Static Wicks: 20 total, 8 on empennage. Can be missing from wingtips and/or stinger only
