Hartzell HC-B3-2 Series Owner's Manual And Logbook page 170

(4) Support the propeller assembly with a sling.
NOTE 1: Supporting the propeller with the sling may be
NOTE 2: If the propeller will be reinstalled, and it
CAUTION:
(5) Remove the propeller mounting bolts and washers.
NOTE:
CAUTION:
(6) Using the support sling, lift the propeller from the
mounting flange.
(7) If the propeller has a two-piece spinner mounting plate,
proceed to paragraph 9.C.(9).
(8) Propellers with the one-piece spinner mounting plate
only (Refer to Figure 3-11):
(a) Remove the spinner mounting plate, spinner
bulkhead and start locks, as a unit, from the
propeller hub flange.
(9) Remove and discard propeller mounting O-ring.
(10) Place the propeller on a suitable cart for transportation.
INSTALLATION AND REMOVAL
Propeller Owner's Manual
delayed until all but two mounting bolts and
washers have been removed to allow rotating
the propeller for ease of bolt removal.
has been dynamically balanced, make an
identifying mark on the propeller hub and a
matching mark on the engine flange to ensure
proper orientation during re-installation to
prevent dynamic imbalance.
DISCARD THE PROPELLER MOUNTING
BOLTS IF THEY ARE DAMAGED OR
CORRODED, OR WHEN THE PROPELLER
IS REMOVED FOR OVERHAUL.
If the propeller is removed between overhaul
intervals, mounting bolts and washers may be
reused if they are not damaged or corroded.
USE ADEQUATE PRECAUTIONS TO
PROTECT THE PROPELLER ASSEMBLY
FROM DAMAGE WHEN IT IS REMOVED
FROM THE AIRCRAFT ENGINE AND
WHEN IT IS STORED.
139
61-00-39
Rev. 17 Apr/20
Page 3-70