INSTALLATION AND REMOVAL
61-00-75
Propeller Owner’s Manual
175
Page 3-32
Dec/05
CAUTION
:
USE CARE TO AVOID SCRAPING
ALUMINUM FROM THE BORE OF THE
SPINNER BULKHEAD. SCRAPINGS
COULD BECOME WEDGED BETWEEN
THE FLANGES.
(6) Align the threaded holes of the propeller flange with the
bolt holes in the engine flange, and align the dowel pins
in the propeller flange with the dowel pin holes in the
engine flange.
CAUTION
:
MAKE SURE THAT COMPLETE AND TRUE
SURFACE CONTACT IS ESTABLISHED
BETWEEN THE PROPELLER HUB
FLANGE AND THE ENGINE FLANGE.
(7) Slide the propeller onto the engine shaft.
CAUTION
:
NEW PROPELLER MOUNTING BOLTS
MUST BE USED WHEN INITIALLY
INSTALLING A NEW OR OVERHAULED
PROPELLER.
(8) Install mounting bolts (Table 3-1) with mounting washers
through the engine flange from the engine side and into the
tapped holes in the propeller flange.
NOTE
: For propeller removals between overhaul
intervals, mounting bolts and washers may be
reused if they are not damaged or corroded.
(9) Use a torque wrench with the appropriate torque
wrench adapter (Figure 3-6) to torque all mounting
bolts in sequence. Refer to Table 3-2 and Figure 3-4 to
determine the proper torque value to which the torque
wrench must be set.
NOTE
: Refer to the Tools, Consumables, and
Expendables section in this chapter for a list
of applicable torque wrench adapters.
(a) Torque the mounting bolts to half of the final
torque in staggered sequence, beginning with any
mounting bolt.
(b) Final torque the bolts in sequence, beginning with any
mounting bolt, and moving around the clock in either
direction.
OBSOLETE PROPELLER MODELS. SEE COVER PAGE
WARNINGS AND SERVICE BULLETIN HC-SB-61-331