Propeller Owner’s Manual
139
INSTALLATION AND REMOVAL
61-00-39
Page 3-40
Rev. 17 Apr/20
(2) Make sure the propeller hub flange and engine flange
mating surfaces are clean.
(3) Install the specified O-ring on the engine flange. Refer to
Table 3-1.
(4) Align the mounting and dowel pin holes in the propeller
hub flange with the mounting holes and dowel pins in the
engine flange.
CAUTION
:
MAKE SURE THAT COMPLETE AND TRUE
SURFACE CONTACT IS ESTABLISHED
BETWEEN THE PROPELLER HUB
FLANGE AND THE ENGINE FLANGE.
(5) Slide the propeller flange onto the engine flange.
CAUTION:
NEW PROPELLER MOUNTING BOLTS
MUST BE USED WHEN INITIALLY
INSTALLING A NEW OR OVERHAULED
PROPELLER.
(6) Apply MIL-PRF-83483 anti-seize compound to the
threaded surfaces of the mounting bolts. Refer to
Table 3-1 for appropriate mounting hardware.
NOTE: If the propeller is removed between overhaul
intervals, mounting bolts and washers may be
reused if they are not damaged or corroded.
CAUTION:
ID CHAMFER OF THE WASHER MUST
BE FACING TOWARD THE BOLT HEAD.
WASHERS WITHOUT CHAMFER MUST
BE INSTALLED WITH ROLLED EDGES
TOWARD THE BOLT HEAD (FIGURE 3-3).
(7) Install the mounting bolts with washers through the
engine flange and into the propeller hub flange. Refer to
Figure 3-4.
(8) Use a torque wrench and the specified torque wrench
adaptor (Refer to the section, “Tooling” in this chapter)
to torque all mounting bolts in sequences and steps
shown in Figure 3-2. Refer to Table 3-2 and Figure 3-1 to
determine the proper torque value.
