Spinner Installation - Mccauley - Ref. Fig; Propeller Removal; Hartzell - THRUSH S2R – G10 Maintenance Manual

AIRPLANE MAINTENANCE MANUAL
Count the turns, beginning with the first
thread engages. 35 full turns is equivalent
to approximately 12 degrees of flight idle
blade angle.
Have an assistant turn on the unfeathering
pump. When the blades move off the
feathered stop into the flight idle angle,
check blade angle at the proper blade
station. Adjust the beta tube accordingly to
achieve 12 º ±1/2 º blade angles on a hot
engine. If the engine is cold, the cold
setting will be about 1º lower.
example, if 12º is required, set a cold
engine at 11º. Check the blade again after
the engine has been run and is still hot.
SPINNER INSTALLATION –
McCauley – Ref. Fig. 4-2
After all adjustments and ground runs are
completed, install spinner as follows:
McCauley requires installation of four fillets
prior to spinner. The spinner is installed
I.A.W. decal on bulkhead and/or McCauley
Service Letter 1991-11A, which states:
Figure 4-2:
4-8
Page
THRUSH AIRCRAFT INC - MODEL S2R-G10
For
Install shims and spinner support on
propeller cylinder. Lightly press shell snug
against support and check alignment of
holes in shell with holes in bulkhead.
Adjust number of shims until holes are
approximately 3/64 inch from being in true
alignment. Push hard in shell until holes
are aligned. A sufficient number of shims
should be used which permits just enough
alignment from screw installation while
pushing hard against shell.
screws and washers equally spaced.
Relax force and install remaining screws
and washers.
PROPELLER REMOVAL –

Hartzell

a. Remove upper nose bowl.
b. Remove spinner (mark location).
c. Remove beta tube lock bolt and beta
tube.
Install four
Effective: 03/26/2010