Standard Operating Procedures
L410 UVP-E20
Document No.:
SOP-L410-0
PageDD -1
Rev: 1
Date:NOV 18
Prepared by: L.A.
Checked by: C.L.S.
APPENDIX D.AUTO-FEATHER CHECKS
ReferSection IV Normal Procedures in the AFM_L410UVP-E20.
Perform it before the first flight of the day.
PROP FEATHERING
circuit breaker...................................................
ON
AUT. BANK CONTROL
circuit breaker ..............................................
ON
PCL
......................................................................................................
FINE PITCH
TCL
.......................................................................................................
to over 35%
torque
position
On the central control panel:
AUTO FEATHER
switch .......................................................................
ON
On the test panel of the left control panel:
PROP FEATHERINGAUTObutton
..................................................
press and hold
The AUTO FEATHER signals of both engines must light up within 5 seconds.
TCL of one engine
...............................................................................
IDLE
The AUTO FEATHER lights on the CWD must light off, and the FEATHER PUMP
and ISOLATION VALVE lights of the corresponding engine must light on for 12 to
15 seconds .
CAUTION
AT LOW AMBIENT TEMPERATURES KEEP CHECK ON THE
GASGENERATORSPEED,WHICHMUSTBEATLEAST60%.
IFNECESSARY INCREASE IMMEDIATELY THIS SPEED BY MEANS
OFEMERGENCY THROTTLE LEVER.
Summary of Contents for L410 UVP-E20
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