Hartzell HC-D2MV20-3 Series, Owner'S Manual And Logbook

Page: 91 / 204

Propeller Owner’s Manual
140
INSTALLATION AND REMOVAL
61-00-40
Page 3-27
Rev. 1 May/11
(f) Perform the following three adjustments:
1 Bottom the piston in the cylinder.
2 Pull the propeller control (for pitch and RPM
control) handle out approximately 2.25 inches
(57.1 mm) from the instrument panel.
3 Locate the valve spool midway between the cotter
pin and the base of the guide pin.
(g) Attach the propeller pitch control cable to the
hydraulic valve lever on the long end that extends
from the valve spool.
(3) Adjusting Propeller Control For Proper Ground or Static
RPM
(a) Determine the Static RPM
1 Start and warm up the engine.
2 Check the propeller action with the propeller pitch
control (RPM control).
3 Determine the full throttle maximum static RPM
that is obtained with the cockpit propeller control
full forward for lowest pitch. Refer to the airframe
manufacturer’s manual or STC for the applicable
static RPM setting.
(b) Static RPM Incorrect
1 Low pitch adjustment has been made at the
factory, according to published information.
2 The readjustment of low pitch should not be
required. Refer to the Static RPM Adjustment
section in the Maintenance Practices Chapter of
this manual for adjustment information.