Cessna 182 1978 - Governor and Control Adjustments; High-RPM Stop Adjustment; Rigging Propeller Governor Control

MODEL
182
& T182 SERIES
SERVICE
MANUAL
2
A
K |-
H
/,
7
2.
High-RPM
Stop Screw
8.
Nut-Adjustment
3. Governor
Arm Extension
9. Nut-Locknut
&
-3
4. Nut
10.
Thread
Gage Hole
A - 'S , f ~5.
Control Rod End
11. Governor Ring Screw
Detail
Aa
6. Governor
Control
Figure 13-2. Governor
and Control Adjustments
d. Connect
governor
control
to
governor
arm
ex-
13-18.
RIGGING
PROPELLER
GOVERNOR
CON
-
tension
and rig
control as outlined
in paragraph
13-16.
TROL.
e. Reinstall all items
removed for access,
a. Disconnect
governor control
from governor
extension
arm.
13-15. HIGH-RPM STOP ADJUSTMENT.
b. Place propeller governor
control, in cabin,
a. Remove engine cowling and baffles as required full forward, then pull back approximately 1/8 inch
for access.
and lock
in this position. This
will allow "cushion"
b. Remove
safety wire and loosen the high-speed
to assure full contact of the governor
arm with the
stop screw
locknut.
governor high-rpm stop screw.
c. Turn the stop
screw IN to
decrease maximum
c. Place governor
arm against
high-rpm
stop
rpm and OUT to increase
maximupm rpm. One
full screw.
turn of the stop screw
causes a change of approxi-
d. Loosen
jam nuts and adjust
control rod end
mately 25 rpm.
until attaching holes
align while governor arm is
d. Tighten
stop screw locknut,
safety wire stop
against high-rpm
stop screw. Be sure
to maintain
screw and make propeller control linkage adjustment sufficient thread engagement of the control and rod
as necessary to maintain full travel. end. If necessary, shift control in the clamps to
e. Install
baffles and
cowling.
achieve
this.
f. Test operate propeller and governor. e. Attach rod end to the governor arm extension.
Be sure
all washers
are
installed
correctly.
f. Operate the control to see that the governor arm
NOTE
bottoms
out
against
the
low
pitch
stop
and
bottoms
out against
or a maximum of .12 "
from the high pitch
It is possible
for either
the propeller low
Itch (igsh o r the gop
er low
stop on the governor
before reaching
the end of con-
pitch
(high-rpm)
stop or
the
governor
high-
trol
cable
travel.
rpm
stop to
be the high-rpm
limiting factor.
It is
desirable
for the
govern6r
stop to
limit
NOTE
the high-rpm
at the maximum
rated rpm for
a particular
aircraft.
Due
to climatic
condi-
The
governors
are
equipped
with
an offset
tions,
field
elevation,
low-pitch
blade
angle
extension
to the
governor
arm.
The
offset
and
other considerations,
an engine
may
not
extension
has
an elongated
slot
to permit
reach
rated
rpm
on the
ground.
It may
be
further
adjustment.
The
preceding
steps
necessary
to readjust
the
governor
stop
after
may still
be used
as
an outline
in the
rigging
test flying
to obtain
maximum
rated
rpm when
procedure.
airborne.
13-8