D IAMOND AIRCRAFT
HK 3 6 TS
FLIGHT MANUAL
3.7 . 3
stuck in feathered
NOTE
Emergency
Procedures
The propeller requires hydraulic pres sure for pitch
reduction . The hydraulic pressure is suppl ied through
a pressure accumulator . When thi s accumulator i s empty,
the pressure mus t be built up by the oil pump of the
engine . The engine i s started with the propeller in
feathered pitch and the throttle control in idle
position .
1. Electric consumers - OFF
2 . Fuel valve - OPEN
3. Master switch - ON
4 . Mode select switch - POWER FLIGHT
5 . Electric fuel pump - ON . Check whether the red warning light
extinguishes after build-up of fuel pressure
6 . Choke - as required
7 . Throttle control - IDLE
8.
Ignition switch - BOTH
9 . Propeller speed control - TAKE -OFF
1 0 . Ignition switch
turn clockwi se to start engine until the
propeller adopts the working posi tion
CAUT I ON
I t is pos sible to start the engine with the propeller
in the feathered position, although this s ignif icantly
increases engine wear .
1 1. Oil pressure - should be available within 1 0 seconds
1 2. Choke - re- adj ust as required
13. RPM and throttle - as required to continue f l ight
14 . Electric fuel pump - OFF
15. Electric consumers - ON
1 6 . Continue f l ight normally
1 7 . After the fl ight has ended, ascertain the reason for the loss
of oil pressure and rect i fy the problem .
Revision No .
Date
Source
Doc . No .
I s sue
Page No .
3.01 . 0 6
Jan 1996
3 -6
