Hartzell HC-B3-2 Series Owner's Manual And Logbook page 141

(9) Safety all mounting bolts with 0.032 inch (0.81 mm)
minimum diameter stainless steel wire or equivalent
aircraft safety cable and associated hardware (two bolts
per safety).
CAUTION:
(10) Procedure for reinstallation of piston nut, if applicable.
(a) Following the installation of the propeller, use a
breaker bar and a one inch deep well socket to hold
the pitch change rod.
(b) Using a crowfoot wrench and torque wrench, torque
the A-880-( ) piston nut. Refer to Table 3-2 and
Figure 3-1 for the proper torque value.
NOTE:
(11) Install the beta tube per airframe and/or engine
manufacturer's instructions.
(a) Follow the airframe manufacturer's instructions for
adjusting the beta tube to obtain the correct low pitch
(flight idle blade angle).
(b) Refer to the Aircraft Type Certificate Data Sheet for
the low pitch blade angle setting.
(12) If the propeller is equipped with an ice protection
system that uses components supplied by Hartzell
Propeller Inc., refer to Hartzell Propeller Inc. Propeller
Ice Protection System Manual 180 (30-61-80) for
applicable instructions and technical information.
(13) Propeller ice protection system components not
supplied by Hartzell Propeller Inc. are controlled by the
applicable TC or STC holder's Instructions for Continued
Airworthiness (ICA).
INSTALLATION AND REMOVAL
Propeller Owner's Manual
TO FACILITATE BOXING AND SHIPPING
OF PROPELLERS, THE PISTON NUT
(A-880-2) ON -5 STEEL HUB TURBINE
PROPELLERS MAY HAVE BEEN
REMOVED TO ALLOW ROTATING OF THE
BLADES BEFORE PACKAGING.
The removal and subsequent reinstallation
of the piston nut does not require that the
propeller blade angles be re-checked.
139
61-00-39
Rev. 17 Apr/20
Page 3-41