32
Blade Installation
1. Insert blade assembly into the hub slot.
2. Install 3/8”-16 x 2” inner bolt and washer into through-hole, located in the top of the motor base plate.
Secure with 3/8”-16 washer and nylock nut. Torque hardware to 35 Ft-lbs/47Nm.
3. Install 3/8”-16 x 2.5” outer bolts and washers into top of blade assembly. Secure with 3/8”-16 washers
and nylock nuts. Torque hardware to 35 Ft-lbs/47Nm.
4. Once all the blades have been installed, insert the hub cap from below. Secure with 14”-20 whiz bolts.
Hand tighten hardware.
Figure 29 - Blade Installation Details
Hub Assem-
Blade Assembly
Hardware Torque
3/8” Hardware
35 Ft-lbs/47 Nm
NOTE: All hardware must
be minimum Grade 8.
Install Inner Bolt and Washer
into Through-hole located in
Motor Base Plate
1/4”-20 Cage Nut
1/4”-20 x 1/2"
Whiz Bolt
3/8"-16 Washer
and Nylock Nut
3/8”-16 x 2"
Inner Bolt
3/8”-16 x 2.5"
Outer Bolts
Hub Cap
Hub Slot
Motor Base
Plate
3/8"-16 Washer
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