LINE UP (CONT)
5. Brake deice system - Check as fol-
lows when required:
Do not activate brake deice system above
a. Brake deice switch - ON.
b. Check that BRAKE DEICE
ON light is illuminated. then is
extinguished approximately 10
minutes after landing gear re-
*1. Propeller tachometers - Check.
During takeoff propeller tachome-
ters should indicate 1700 RPM. If
propellers are synchronized and in-
dicator tolerances result in a differ-
ence in indicated RPM between
left and right propellers. then the
lower of the two values shall be
1700 RPM. The maximum differ-
ence between the readings of the
indicators shall be 20 RPM.
2. Engine instruments - Check the fol-
lowing instrument indications:
*d. Oil pressure