Bravo Three Propeller Installation
NOTICE
Operating the engine with a loose propeller can damage the propeller, the drive, or drive components. Always tighten the
propeller nut or nuts to specification and check for tightness periodically and at the required maintenance interval.
a - Rear propeller nut
b - Rear propeller
c - Rear propeller thrust hub
d - Front propeller nut
e - Front propeller
f - Front propeller thrust hub
g - Propeller shaft anode screw
h - Flat washer
i - Star washer
j - Propeller shaft anode
1. Slide the front propeller thrust hub onto the propeller shaft with the outside taper facing toward the propeller hub (toward
end of propeller shaft).
2. Apply a liberal amount of one of the following lubricants to the propeller shaft.
Tube Ref No.
Description Where Used Part No.
Extreme Grease Propeller shaft 8M0071842
95
2-4-C with PTFE Propeller shaft 92-802859A 1
3. Align the splines and install the front propeller onto the propeller shaft.
4. Install the front propeller nut and tighten to the specified torque. Check the propeller every 20 hours of operation and
tighten to the specified torque as needed.
Description
Nm lb‑in. lb‑ft
Front propeller nut 136 – 100
5. Slide the rear thrust hub onto the propeller shaft with the outside taper facing toward the propeller hub (toward end of
propeller shaft).
6. Align the splines and install the rear propeller onto the propeller shaft.
7. Install the rear propeller nut and tighten to the specified torque. Check the propeller every 20 hours of operation and tighten
to the specified torque as needed.
Description
Nm lb‑in. lb‑ft
Rear propeller nut 81 – 60
8. Install the propeller shaft anode over the rear propeller nut.
9. Place the flat washer onto the propeller shaft anode screw.
10. Place the star washer onto the propeller shaft anode screw.
e
f
a
b
c
d
5304
g
h
i
j
Section 4 - Maintenance
Page 68 90-8M0128973 eng MAY 2017
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