Hartzell HC-D2MV20-3 Series Owner's Manual And Logbook page 120

(m) While static on the ground, check the high pitch travel
using the following procedure:
1 Pull the propeller pitch control back to the
movement limit.
2 Grip the blade counterweights by hand and, at the
same time, rotate the blades to high pitch to force
the hydraulic piston back into the diaphragm.
3 Verify that the valve lever has sufficient travel
to allow the valve spool to be positioned at the
center of its travel while the piston is at the
maximum high pitch position or end of its
0.37 inch (9.5 mm) travel.
NOTE:
(6) Install the spinner dome (if applicable) as follows:
CAUTION 1:
CAUTION 2:
NOTE: The following instructions relate to Hartzell
Propeller Inc. spinners only. If the airframe
manufacturer produced the spinner assembly,
refer to the airframe manufacturer's manual for
spinner installation instructions.
(a) Carefully install the spinner dome over the
reassembled propeller.
(b) Secure the spinner dome to the spinner bulkhead with
the supplied screws and washers.
INSTALLATION AND REMOVAL
Propeller Owner's Manual
140
This is a check make sure full pitch
control and RPM range is achieved
during flight.
TO PREVENT DAMAGE TO THE BLADE
AND BLADE PAINT, WRAP THE BLADE
SHANKS IN SEVERAL LAYERS OF
MASKING OR DUCT TAPE BEFORE
INSTALLING THE SPINNER DOME.
REMOVE THE TAPE AFTER THE
SPINNER IS INSTALLED.
THE SPINNER DOME WILL WOBBLE
IF NOT ALIGNED PROPERLY, AND
MAY AFFECT THE BALANCE OF THE
PROPELLER.
61-00-40
Rev. 3 Feb/14
Page 3-56