CHAPTER 73
PAGE 12
MAINTENANCE MANUAL EXTRA 300LT
PAGE DATE: 12. June 2015
73-20-21 Mixture Vernier Control Cable
Refer to chapter 20 for general information about handling
of control cables.
Removal
1 Ensure master switch is off.
2 Remove engine cowling per Chapter 71.
3 Remove main and bottom fuselage cover per Chapter 53.
4 Mark positions of the firewall forward cable ties and remove
these cable ties.
5 Remove cotter pin, castle nut, washers and bolt from the
rod end (2, Figure 8) to mixer control lever attachment (3).
6 Loosen counter nut and remove the rod end (2) from the
mixture control cable.
7 Remove rod end counter nut and mixture vernier control
cable protective swivel and wiper seal.
8 Remove clamp block (1) attachment bolt.
9 Remove clamp block (1) from the vernier mixture control
cable.
10 Cut safety wires and remove fire sleeve from vernier mixture
control cable.
11 Remove 2 bolts of the clamp sheet attachment positioned
at the firewall break through (2, Figure 5). Remove firewall
sealing and disconnect clamp sheet and contained plastic
guidance from the rear side of the firewall.
12 Mark mixture vernier control cable routing and positions
of the cable ties and remove the cable ties in the cabin area.
13 Remove attachment nut and washer of the mixture control
unit (1, Figure 5).
14 To remove mixture vernier control unit from its bracket,
pull the unit slightly aft (about 15cm [0.5ft]) and then to the
LH outside direction.
15 Pull complete mixture vernier control cable aft to remove
from aircraft. Secure clamp sheet.
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