Engine Run up

Question 1

Parking Brake

Answer 1

Set
Monitor the aircraft for movement during the runups

Question 2

Engine Instruments

Answer 2

• Idle/Low Idle
  ITT - 685 max
  Torque - 100/200
  Prop rpm - 900/1100
  n1 - 51/54
  FF - 100
  Oil Temp - 10/99
  Oil Press - 40/100
  checked

Question 3

Suction Pneumatic Pressure

Answer 3

at least 71% n1
S 4-3 - 5.9 5.1+-.8
PP 12-20 16+-4
checked

Question 4

OSG

Answer 4

Prop - full forward
power - less than 1900 rpm
Prop Gov Test Switch - hold up
Power - advance until rpm steady 1900/2100 never 2200
Power - retard 1900
switch - release
checked

Question 5

Primary Governor

Answer 5

Prop - aft to detent never feather
Prop Rpm - stable 1600/1800
Prop lever - slowly full forward
Prop RPM - ~1900
checked

Question 6

Autofeather/Autoignition

Answer 6

Call my llights
Power - 500 Q
ENG Auto IGN Switches - on W/ lights
Autofeather - Hold W/ lights
~~~ no lgihts advanve power slightly
Left power - retard slowly
410+-50 - RH AF light out/ L auto ign arm out/ LH IGN indicator on amber
200+-40L LAF arm flashing
Prop RPM 800 - L lever 500 Q - 4 G
Repeat R - both idle at 800 RPM
Autofeather test switch - release when Prop RPM 900/1100
ENG Auto IGN - off W/ lights
Checked off

Question 7

Manual Feather

Answer 7

Power levers - idle
Prop levers - feather (stops)
Prop levers - Full forward after rpm below 800
Prop RPM - 900/1100
~~~~ if not. low pitch torque check

Question 8

Note

Answer 8

reset N1 based on Natops fig 4-2