EN-1320
OPERATION AND INSTALLATION MANUAL
HOLD THE BLADES NEAR BLADE SHANK AT TURNING, NEVER AT TIP.
3 Safety the cam 27 after adjustment with the securing screw.
NOTE:
It is possible to check when the circuit is energized, using power supply (max. 12V) and a suitable lamp
connected to connector pins 3 and 4 (figure 12-20).
e) All screws used for adjusting should be secured with suitable paint.
(3) Maximum reverse output adjustment
Perform when:
- The propeller or governor is either removed or replaced.
- When parts are replaced which may cause the rigging to be affected.
- Each time the engine is removed or replaced.
a) Disconnect linkage from engine power lever at engine.
b) Loose and remove nut and screw from the lever "Sv" (figure 12-25), pull carefully the lever such way,
that it passes stop pin at turning.
NOTE:
Don’t remove the lever "Sv" from inner coaxial valve to avoid spring loose.
c) Verify at the governor, where linkage to the lever "Bc" is not connected, following items:
1
Lever "Sv" touching the idle stop – verify with feeler gauge 0,05 mm (0.002 inch) for compression
(figure 12-25).
2 At the same time, guideline on the lever must align minimum flight pitch guideline on the governor
scale (figure 12-26A).
d) Connect linkage to the lever "Bc" such way, that lever position (stop) will not be changed and verify fuel
control unit setting according to the engine operational manual.
Figure 12-25 Maximum reverse output adjustment – lever "Sv"
e) Move (with assistant) engine power lever at engine, disconnected from linkage, to full reverse position
and check:
1 Guideline on the governor lever should align with maximum reverse guideline (figure 12-26B) at the
governor scale.
2 Movement limitation on the fuel control unit must be ensured on the main control lever, verify with
feeler gauge 0,05 mm (0.002 inch) at compression. Setting should correspond with engine
operational manual.
61-10-20
PROPELLER CONTROL SYSTEM
(
Installation With Jihostroj LUN-Series Governor)
Page 12-23
2017-10-06