Hartzell HC-B3-2 Series Owner's Manual And Logbook page 229

CAUTION:
(4) A label is normally applied to the propeller to indicate the
type of grease previously used. Refer to Figure 6-2.
(a) The same grease type should be used during
re-lubrication unless the propeller has been
disassembled and the old grease removed.
1 It is not possible to purge old grease through
lubrication fittings.
2 To completely replace one grease with another,
the propeller must be disassembled and cleaned
in accordance with the applicable overhaul
manual.
THIS PROPELLER WAS
LUBRICATED WITH _____________
THIS GREASE MUST BE USED ON
ALL SUBSEQUENT LUBRICATIONS.
MAINTENANCE PRACTICES
Propeller Owner's Manual
USE ONLY HARTZELL PROPELLER INC.
PROPELLER APPROVED GREASE. DO
NOT MIX DIFFERENT SPECIFICATIONS
AND/OR BRANDS OF GREASE EXCEPT
AS NOTED IN THIS SECTION.
Lubrication Label
Figure 6-2
139
LABEL A-3594
61-00-39
Page 6-9
Rev. 17 Apr/20