INSTALLATION AND REMOVAL
61-00-75
Propeller Owner’s Manual
175
Page 3-25
Dec/05
CAUTION
:
MAKE SURE THAT COMPLETE
AND TRUE SURFACE CONTACT
IS ESTABLISHED BETWEEN THE
PROPELLER HUB FLANGE AND THE
ENGINE FLANGE.
(7) Slide the propeller flange onto the engine flange,
against the starter ring gear and shim.
NOTE
: Insert the engine bushings into the
counterbores that encircle the propeller
mounting bolts in the propeller flange.
CAUTION
:
NEW PROPELLER MOUNTING BOLTS
MUST BE USED WHEN INITIALLY
INSTALLING A NEW OR OVERHAULED
PROPELLER.
(8) Thread the four pre installed mounting bolts (Table 3-1)
through the propeller flange from the propeller side, and
into the bushings in the engine flange. Refer to Figure
3-6.
NOTE
: The mounting bolts are preinstalled during
the assembly of the propeller. Replacement of
one of these bolts between overhauls must be
performed only by qualified personnel at an
appropriately licensed propeller repair facility
(9) Install the remaining two mounting bolts.
(10) 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