Van's Aircraft RV-12, Maintenance Manual

Page: 92 / 217

Rev. 4
6-6
C
ONTROL CABLE REPLACEMENT
■ C
AUTION
: T
HE CONTROL SURFACE WILL SWING FREELY WHEN THE CONTROL
CABLES ARE REMOVED
.
● NOTE: A
LWAYS REPLACE CONTROL CABLES AS A SET
.
Tools 3/8, 7/16 socket
3/8, 7/16 combo wrench
Needle nose pliers
String
Cable tension meter
Spring clamps (3)
Stick, 41" long
Expendable Cotter pins
Lock clips
Replaceable Stabilator cables
Rudder cables
Service Rating Line
Minimum Certification LSA-RM, or A&P
Additional References KAI
1. Remove the tunnel cover, step floor cover, seat ramp cover, seat floor cover,
cover plate (only the aft two), baggage cover, baggage bulkhead corrugation,
upper tailcone fairing, lower tailcone fairing, fuel tank assembly. (3-4)
2.
For rudder cable
, remove the rudder cable sleeve attach hardware; bolts (3),
washers (3), nuts (3).
3. For the stabilator cable , remove the tensioner barrels and stabilator pulleys.
(6-4)
● NOTE: T
IE A STRING
,
LONGER THAN THE CONTROL CABLE
,
TO THE AFT END OF THE
CONTROL CABLE AND WRAP THE SAME END OF THE CONTROL CABLE WITH A PIECE OF
TAPE TO AVOID BULKHEAD DAMAGE
.
4. Disconnect the attach hardware (see below) at the forward and aft end of the
cable to be removed.
Rudder cable end hardware:
Fwd; bolt, washer, nut, and cotter pin.
Aft; bolt, washers (3), nut, and cotter pin.
Stabilator cable end hardware:
Fwd; bolt, washer (2), nut, and cotter pin.
Aft; bolt, washers (3), nut, and cotter pin.
5. Pull the cable out from the opposite end of the string. Remove the cable, leaving
the string in its place.
6. Tie the new cable to the end of the string and cover the end with a piece of tape.