Hartzell HC-B3-2 Series Owner's Manual And Logbook page 167

CAUTION:
(7) Using the support sling, lift the propeller from the
mounting flange.
(8) Remove and discard the engine flange-to-spacer O-ring.
(9) If the C-7364-2 spacer is not attached with flat-head
screws, perform the following procedures:
(a) Remove the spacer from the hub.
(b) Remove and discard the hub-to-spacer O-ring.
(10) If the C-7364-2 spacer is attached to the hub with flat-
head screws, perform the following procedures if the
O-ring must be replaced due to oil leakage.
(a) Remove the spacer attachment screws, if applicable.
(b) Remove the C-7364-2 spacer.
(c) Remove and discard the propeller hub-to-spacer
O-ring.
(11) Decompress and remove the beta system puller.
(12) Place the propeller on a suitable cart for transportation.
INSTALLATION AND REMOVAL
Propeller Owner's Manual
USE ADEQUATE PRECAUTIONS TO
PROTECT THE PROPELLER ASSEMBLY
FROM DAMAGE WHEN IT IS REMOVED
FROM THE AIRCRAFT ENGINE AND
WHEN IT IS STORED.
139
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Rev. 17 Apr/20
Page 3-67