INSTALLATION AND REMOVAL
61-00-75
Propeller Owner’s Manual
175
Page 3-57
Rev. 1 Jun/11
I.
Installing Splined Propeller Models HC-83(X,V)20-1( )( )( )
Refer to Figure 3-12.
CAUTION
:
THE PISTON MUST BE REMOVED
BEFORE INSTALLING THE PROPELLER
ON THE AIRCRAFT. IF THE PISTON HAS
ALREADY BEEN REMOVED, PROCEED
TO STEP 4.I.(3).
(1) Piston removal
(a) The piston ears, forks, and counterweights should
have corresponding index numbers (1, 2, and 3)
impression-stamped or marked with a felt-tipped
pen. If they are not marked, number them with a felt-
tipped pen.
NOTE
: This will make sure that the components
are reassembled in their original location.
(b) Move the piston to low pitch.
(c) Loosen the set screw in each fork.
(d) Remove the self-locking nut from the end of each
guide rod.
(e) Remove the washer from each guide rod.
(f) Lift the piston from the cylinder.
(g) Remove the sleeve from each bulkhead boss.
(h) Remove the high stop spacer from each sleeve.
WARNING
:
CLEANING AGENT MEK IS FLAMMABLE
AND TOXIC TO THE SKIN, EYES AND
RESPIRATORY TRACT. SKIN AND EYE
PROTECTION ARE REQUIRED. AVOID
PROLONGED CONTACT. USE IN A WELL
VENTILATED AREA.
(2) Clean the propeller hub spline and engine spline
surfaces with Quick Dry Stoddard Solvent or MEK.
(3) If the rear cone is not installed, install it on the bulkhead,
matching the holes in the cone with the pins in the
bulkhead. Push the cone against the bulkhead.
(4) Slide the rear spinner bulkhead and dome onto the
engine shaft.
OBSOLETE PROPELLER MODELS. SEE COVER PAGE
WARNINGS AND SERVICE BULLETIN HC-SB-61-331
