ENGINE
Pratt & Whitney PW545A
Takeoff Thrusy 3,804 lbs
@ 83°F sea level
(limited to 5 minutes)
3,767 pounds of thrust continuous
Bypass Ratio: 4.0:1
* XLS
Pratt & Whitney PW545B
Takeoff Thrust 3,990 lbs
Bypass Ratio 3.8:1
Intake and Fan
Compressor
Combustion
Turbine
Exhaust
Accessories
11 Fuel Nozzles
2 Ignitor Plugs
(4 & 8 o'clock)
8 Thermocouples
Turbine Section
Single High-Pressure
Two Low-Pressure
Accessory Section
Fuel Pump
Oil Pump
Hydraulic Pump
Fuel Control
Starter/Generator
OIL:
Check 10 min. after engine shutdown
1 QT over 10 hour period
May mix 2 quarts of different oil, limit of 400 hours operation before flush and refill.
THRUST REVERSERS:
Idle Reverse @ 60 KIAS
(Stowed at 40 KIAS - NJA SOP)
Limited to 30 seconds with the APU operating
Max setting limited to
75% T/O Power
FIRE LIGHT ON:
When ENG FIRE Light Pushed:
Fuel Firewall Valve - Closed
Hyd Firewall Valve - Closed
T/R Isolation Valve - Closed
Field Relay - Open
Squibbs - Armed
Exxon Turbo Oil 2380
Only Oil used by EJA
Ignition Automatically Comes ON :
1. Start
2. Engine Anti- Ice Switch On
3. Available with EMER BUS when placed in Second position
Ground Idle: 48-51% N2
Flight Idle: 57-62% N2
Bleed Off Valve (BOV):
Bleeds off excessive P2.8 air, preventing compressor stalls.
Electrically controlled; reverts to pneumatic mode with loss of EEC inputs.
EEC:
Electronic Engine Control
EEC Manual - Light On
EEC Auto - Light On Until Airborne
EEC Auto - Light On 8 secs. after takeoff
EEC Does Not Sync the engines, but enables the switch.
TTO Probe 10 O'Clock
(heated by design)
(temp input for FCU)
TO Probe 12 O'Clock
(electric heat)
(EEC/RAT Input from right engine)
T1 Probe 1 O'Clock
(heated by cont. bleed air)
(ITT)
* Select TCAS to TA ONLY during Single Engine Operations. TCAS Resolution Advisory (RA) maneuvers are predicated on Two Engine Performance. (AFM/TCAS)