INSTALLATION AND REMOVAL
61-00-75
Propeller Owner’s Manual
175
Page 3-93
Rev. 1 Jun/11
CAUTION
:
OIL WILL FLOW OUT OF THE
PROPELLER WHEN THE PISTON IS
REMOVED. PUT A DRIP PAN UNDER THE
PROPELLER TO CATCH THE EXCESS
OIL.
(2) Piston Removal (Refer to Figure 3-17.)
(a) Remove the self-locking nut from each piston rod.
(b) Remove the washer from each piston rod.
(c) Loosen the set screw in each fork.
(d) Slide the piston away from the hub and to the
low pitch position, until the piston rods clear the
bulkhead.
(e) Rotate the piston and forks away from the clamp link
screws.
(f) The piston ears and guide collar 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.
(g) Slide the piston off the cylinder and remove it from
the propeller.
(h) To prevent the loss of the sleeve, fork, and high
pitch stop washers, reinstall the self-locking nut, and
washer on each piston rod.
(i) The pitch change blocks should have index numbers
(1, 2, and 3) marked with a felt-tipped pen to
correspond to the numbers on the piston ears, forks,
counterweights, and guide collar. 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.
(j) Remove the pitch change block from each clamp
linkscrew.
OBSOLETE PROPELLER MODELS. SEE COVER PAGE
WARNINGS AND SERVICE BULLETIN HC-SB-61-331
