Extra 300/SC, Maintenance Manual

Page: 202 / 250

CHAPTER 73
PAGE 9
MAINTENANCE MANUAL EXTRA 300SC
PAGE DATE: 12. February 2019
Removal
1 Ensure master switch is off.
2 Remove engine cowling per Chapter 71.
3 Remove main fuselage cover per Chapter 53.
4 Remove cotter pin, castle nut, washers and bolt (3, Figure
3) from the throttle control lever (4).
5 Pull the smoke switch (5) out of the throttle lever handle
and disconnect switch wiring.
6 Pull smoke switch wiring down from the throttle control
lever.
7 Disconnect throttle control lever attachment by removing
cotter pin, castle nut, washers and bolt (2). Remove throttle
control lever.
Installation
Install in reverse sequence of removal observing the follow-
ing items:
1 Thread the smoke switch (5, Figure 3) wiring through the
throttle control lever (4) before before positioning it.
2 Tighten the throttle control lever castle nut (2) slightly. En-
sure movability of control lever (4).
Rigging
Procedure with throttle control lever travel stops installed:
With the throttle control cable properly rigged, the throttle
actuator should hit its travel stops at both extremes prior to
the throttle control lever.
The spring-back is the small extra push that is needed for the
throttle control lever to hit its mechanical stops.
Refer to Figure 4, Sheet 1 or 2 depending on the exhaust
system installed and Figure 3, Sheet 2.