OPERATION AND INSTALLATION MANUAL
EN-1320
12.4 GOVERNOR INSTALLATION ON ENGINE
A. Propeller Governor LUN7815.02
(1) Inspect the governor for damage. Shallow scratches in the governor housing and tool marks around
the mounting bolt areas are only acceptable provided that the governor function is not affected.
(2) Verify installation of spring on the lever "Rn" (figure 12-3).
(3) Verify locking devices of appropriate elements (figures 12-3, 12-4, 12-5).
NOTE:
Secure turning bolt, tube cap nut, sockets and closing nut (figure12-8) after tubing installation.
(4) Verify seals and securing (figures12-3 and 12-4).
CAUTION:
BE CAREFUL AT SECURING ELEMENT 32 (FIGURES 12-4 AND 12-5, LOCKING WIRE AND COTTER
PIN). LEFT THREAD IS MARKED WITH "L". THE STOP – FIGURE 12-4 – MUST HAVE THE SAFETY
WIRE ACROSS THE HEXAGON HEAD OF THE BOLT. STOP MUST NOT BE RELEASED AND
RE-ADJUSTED, IT IS ADJUSTED BY GOVERNOR MANUFACTURER.
NOTE: Parts 15, 16, 29, 32, 37, 58 and 65 are adjustable.
(5) With "Bc" lever (figure 12-3) in basic position (guideline on the lever with cam aligns with minimum flight
pitch guideline on the governor scale and the control lever pin touches the stop 58), verify "Rn" lever
travel between stops 15 and 16.
CAUTION:
IF THE LEVER "Rn" IS NOT TOUCHING THE STOP 15 , DON’T MOVE THE LEVER "Bc" FROM ITS
BASIC POSITION (MIN. FLIGHT ANGLE GUIDELINE) TO REVERSE. LOCKING MECHANISM COULD
BE DAMAGED.
Figure 12-3 Governor LUN7815.02 View to engine
61-10-20
PROPELLER CONTROL SYSTEM
(Installation With Jihostroj LUN-Series Governor)
Page 12-4
2017-10-06
