Propeller Owner's Manual
115N
INSTALLATION AND REMOVAL
61-00-15
Page 3-64
Rev. 24 Dec/20
A. Installation Procedure 1
(1) General
(a) A spinner dome that is installed using Procedure 1
can be identified by the lock nut “A” at the top of the
cylinder. The lock nut “A” will have a “step” facing
away from the cylinder as shown in Figure 3-17.
1 Lock nut “A” may have drilled holes for safety
wire, but safety wire is not required in this
location.
(2) Install the spinner dome.
(a) Push the spinner dome toward the bulkhead to
align the spinner mounting holes with those of the
bulkhead.
(b) If anti-ice travel tubes are installed:
CAUTION:
THE TRAVEL TUBES MUST NOT
TOUCH THE SPINNER DOME
BLADE CUTOUT.
1 Make sure there is clearance between the travel
tubes and the spinner dome blade cutouts.
2 Make adjustments to the position of the travel
tubes in accordance to Hartzell Propeller Inc.
Manual 180 (30-61-80).
CAUTION:
MAKE SURE OF PROPER THREAD
ENGAGEMENT FOR THE SCREWS IN
THE NUTPLATES. APPROXIMATELY
1 TO 1 1/2 THREADS MUST EXTEND
PAST THE BULKHEAD NUTPLATES.
TO AVOID DAMAGING THE AIRCRAFT
COWLING, THE SCREWS MUST NOT
EXTEND MORE THAN THREE THREADS
PAST THE BULKHEAD NUTPLATES.
(3) Attach the spinner dome to the spinner bulkhead with the
supplied screws and washers. Refer to Table 3-3.
(a) Install a screw in the hole(s) centered between each
two adjacent blade cutouts.
1 If the centerline between the adjacent blade
cutouts does not align with a mounting hole,
install screws in the two holes closest to the
centerline.
