Hartzell HC-D2MV20-3 Series Owner's Manual And Logbook page 87

(f) Position the cylinder flush against the previously
installed gasket.
CAUTION 1:
CAUTION 2:
(g) Install one mounting nut (Table 3-1) on each of the six
studs to secure the hydraulic cylinder to the engine.
(h) Torque each mounting nut in accordance with
Table 3-2.
(i) Position the piston and jack plate unit over the
cylinder and clock the piston to the cylinder by
aligning the number stamped on the piston with a
number stamped on the cylinder.
(j) Align the appropriate holes in the piston with the
guide rods in the cylinder.
NOTE:
CAUTION:
(k) Install the jack plate unit and piston assembly into the
cylinder. Bottom the piston in the cylinder.
(l) Install one sleeve (Table 3-1) on each push rod, with
the shoulder against the fork.
INSTALLATION AND REMOVAL
Propeller Owner's Manual
CHECK THE HEIGHT OF THE STUDS
ABOVE THE INSIDE SURFACE OF
THE CYLINDER. THE HEIGHT OF
THE STUDS MUST NOT EXCEED
0.532 INCH (13.51 MM), OR PISTON
TRAVEL MAY BE LIMITED AND MAY
RESTRICT BLADE ANGLE TRAVEL. IF
THE STUDS ARE TOO LONG, REMOVE
THE CYLINDER AND GASKET AND
SHORTEN THE STUDS. REPEAT ALL
INSTALLATION STEPS.
THE HEIGHT OF STUDS ABOVE THE
INSIDE SURFACE OF THE CYLINDER
MUST NOT BE LESS THAN 0.468 INCH
(11.89 MM) OR THE MOUNTING NUT
WILL NOT HAVE ENOUGH THREADS
FOR PROPER ENGAGEMENT.
Cylinder-to-piston guide rods may bind
in the piston if the cylinder and piston
combination is changed from that originally
supplied.
DO NOT DAMAGE THE PISTON
O-RINGS WHEN INSTALLING THE
PISTON INTO THE CYLINDER.
140
61-00-40
Page 3-23
Rev. 2 Jun/12