OPERATION AND INSTALLATION MANUAL
EN-1320
Figure 12-11 Governor LUN7815.03 View from propeller
(8) Lubricate the carbon block assembly pins with Aeroshell Grease 5, 6 or 22.
WARNING: REMOVE DAMAGED ASSEMBLY FROM OPERATION!
(9) Verify function of the microswitch "V" (figure 12-9) by moving lever "Zv" in the direction of arrow (figure
12-10).
(10) Lubricate the bearings of elements 29, 32 , and other appropriate surfaces with Aeroshell Grease
5, 6 or 22.
(11) Using a lint-free cloth, either dry or lightly dampened with MEK or acetone, clean the governor
flange and the gear box flange.
(12) Insert drive rod into the governor shaft with square inward (figure 12-10). Try to turn with drive rod. The
rod should rotate freely.
CAUTION:
THE DRIVE ROD MUST BE IDENTIFIED WITH GOVERNOR S/N.
(13) If the propeller is installed, remove carbon block assembly from lever "Zv" (figure 12-6).
CAUTION:
DO NOT INSTALL THE GOVERNOR WITH THE CARBON BLOCK ASSEMBLY INSTALLED WHEN
THE PROPELLER IS INSTALLED.
(14) Use correct and clean packing. Place the governor onto engine gear box. Drive rod gearing must be
correctly inserted into the gear box drive.
(15) Fix the governor using four bolts (figure 12-7) using suitable wrench. A spring washer is at bolt
head and the second washer is inserted into governor flange recess with chamfer facing governor.
Torque the bolts to 20-24 Nm (180-220 in-lbs).
Secure at least three bolts using 0,81 mm
(0.032 inch) stainless steel lock wire (figure 12-7).
(16) If the propeller is not in feather, move it to feather by turning blades to move the beta-ring that it seats
at the propeller hub.
61-10-20
PROPELLER CONTROL SYSTEM
(Installation With Jihostroj LUN-Series Governor)
Page 12-10
2019-03-04
