EN-1320
OPERATION AND INSTALLATION MANUAL
5.5
Electrothermal De-icing System (if installed)
With the screws and toothed washers, connect the cables to matching contacts in the de-icers.
See marking on the cable and on the de-icer.
5.6
Before Installing the Propellers AV-725 and AV-844 Ending in -R(P)
Before installing the propeller on the engine, the beta ring must be pushed forward to allow
access to the propeller mounting flange. See Figures 5-7 and 5-8.
a) Check the distance 46,7
±
0,2 mm (1.84
±
0.008 inch) from the beta ring to the propeller
mounting flange.
b) Remove safety wire from the cover caps.
c) Unscrew the cover caps from the hub.
WARNING: BE CAREFUL WHEN REMOVING THE COVER CAP BECAUSE THE SPRING
FORCE UNDER THE CAP.
d) Remove the springs and spring guides from the hub.
e) Push the beta ring toward the propeller mounting flange. See Figure 5-9.
FIGURE 5-7
FIGURE 5-8
61-10-20
INSTALLATION AND OPERATION INSTRUCTION
Page 5-5
2017-10-06
