Propeller Owner’s Manual
139
INSTALLATION AND REMOVAL
61-00-39
Page 3-50
Rev. 17 Apr/20
CAUTION
:
MAKE SURE THAT COMPLETE AND TRUE
SURFACE CONTACT IS ESTABLISHED
BETWEEN THE PROPELLER HUB
FLANGE AND THE ENGINE FLANGE.
(16) Slide the propeller hub flange onto the engine flange.
CAUTION 1: 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).
CAUTION 2: NEW PROPELLER MOUNTING BOLTS
MUST BE USED WHEN INITIALLY
INSTALLING A NEW OR OVERHAULED
PROPELLER.
(17) Install the propeller mounting bolts and washers through
the engine flange and into the propeller hub flange. 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.
(18)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.
(19) Safety all mounting bolts with 0.032 inch (0.81 mm)
minimum diameter stainless steel wire or equivalent
aircraft safety cable and associated hardware (two bolts
per safety).
(20) Reinstall the spring assembly (refer Figure 3-14 and
Figure 3-15).
(a) Slide the spring assembly into the cylinder and
around the beta valve rod.
(b) Install split retainer between the cylinder and front
spring retainer. Slide retainer into the recess in the
cylinder.
