Propeller Owner’s Manual
139
INSTALLATION AND REMOVAL
61-00-39
Page 3-31
Rev. 17 Apr/20
CAUTION 1: NEW PROPELLER MOUNTING NUTS
MUST BE USED WHEN INITIALLY
INSTALLING A NEW OR OVERHAULED
PROPELLER.
CAUTION 2: THE SIDE OF THE WASHER WITH THE
OD CHAMFER MUST BE AGAINST THE
ENGINE FLANGE. REFER TO FIGURE 3-10.
(9) Install self locking mounting nuts with washers onto
the propeller mounting studs. Refer to Table 3-1 for
appropriate mounting hardware. Refer to Figure 3-10.
NOTE 1: The OD chamfer on the washer is for
clearance of the engine flange fillet. Refer to
Figure 3-10.
NOTE 2: If the propeller is removed between overhaul
intervals, mounting nuts and washers may be
reused if they are not damaged or corroded.
(10) Use a torque wrench and the specified torque wrench
adaptor (Refer to the section, “Tooling” in this chapter)
to torque all mounting nuts in the sequences and steps
shown in Figure 3-2. Refer to Table 3-2 and Figure 3-1 to
determine the proper torque value.
(11) Safety all propeller mounting studs with 0.032 inch
(0.81 mm) minimum diameter stainless steel wire or
equivalent aircraft safety cable and associated hardware
(two bolts per safety).
(12) Decompress the external beta system and remove the
beta system puller.
