Propeller Owner’s Manual
140
INSTALLATION AND REMOVAL
61-00-40
Page 3-65
Nov/02
(5) Connecting the Propeller Pitch Control Cable to Hydraulic
Valve Lever
(a) Position the piston in forward position (toward the
propeller).
NOTE: When in the forward position, the piston
should extend 0.12 inch (3.0 mm) out in
front of the outer ring. When in neutral
position, the piston should be 0.06 inch (1.5
mm) behind the face of the outer ring.
(b) Position the valve spool approximately 0.37 inch
(9.5 mm) from the valve link tab (near mid position).
(c) Pull the cockpit propeller pitch control knob from the
dash approximately 0.12 inch (3.0 mm).
(d) Connect the propeller pitch control cable to the lever
that extends from the hydraulic valve.
(6) Adjusting the Propeller Control for Proper Ground or Static
RPM
(a) Start the engine and allow it to warm up.
(b) Check propeller action with the propeller pitch control
(RPM control).
(c) Set the pitch control to provide maximum RPM on the
ground.
(d) Shut off the engine and adjust the low pitch stop
screw in the tab of the valve link to just contact the
valve spool.
(e) Adjust the jam nut to lock the low pitch stop screw in
place.
(f) Start the engine and cycle the propeller pitch control
to a higher pitch and then back to lowest pitch to
make sure the maximum RPM static on the ground is
not exceeded.
(g) Repeat the low pitch stop screw adjustment procedure
until the maximum RPM is not exceeded.
Summary of Contents for HC-D2MV20-3 Series
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