CHAPTER 73
PAGE 12
MAINTENANCE MANUAL EXTRA 300SC
PAGE DATE: 1. August 2014
Procedure without throttle control lever travel stops:
Refer to Figure 4, Sheet 1 or 2 depending on the exhaust
system installed and Figure 3, Sheet 1.
1 Move the throttle control lever (4, figure 3) in full idle po-
sition (as shown in figure 3).
2 Check throttle actuator (1, figure 4) of the fuel injector servo
reached travel stop for full idle position.
3 Check distance "d" (refer to Figure 4) between protektive
wipper seal end and the beginning of the terminal thread
depending on the configuration as outlined in the following
table. Adjust rod end if value is out of limit.
Configuration Distance "d"
square clamp block
and any exhaust type
12 mm (± 1mm)
slim clamp block
and any exhaust type
8 mm (± 1mm)
3 Move the throttle control lever (4, Figure 3) in full WOT
position (as shown in Figure 3).
4 Check throttle actuator (1, Figure 4) of the fuel injector
servo reached travel stop for full WOT position.
73-20-20 Mixture
Refer to Figure 5. The mixture of the fuel injector servo is
controlled by means of the mixture control cable located on
the right side of the cockpit (red control knob). This cable is
routed from the right side to the left side of the fuselage,
penetrates the firewall and is then routed to the mixture
actuator. In the engine compartment this cable is covered
with a fire sleeve. The cable is attached to the fuselage using
a clamp block at its front end and self-clinching plastic
tiedown straps in the cabin area. The mixture vernier control
unit is mounted to a fuselage bracket. The fire wall penetra-
tion is sealed with PR-812 (Products Research & Chemical
Corp., USA) firewall sealant and covered with a clamp sheet.
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