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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
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Troubleshooting
