Great Planes Edge 540 1.60-43cc Performance Series ARF - GPMA1414 User Manual
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USE ThESE IMAgES FOR STEpS 8 AND 9
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8. Using eight 2-56 x 3/8" [9.5mm] machine screws, eight
#2 flat washers and
threadlocking compound, attach
the servo arm extensions to the servo wheels. With a cut-
off wheel, cut off the ends of the screws that protrude from
underneath the servo arm extensions.
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9. Drill out the inner holes of both servo arm extensions
using a 7/64" [2.8mm] bit.
Do not use any other size drill
bit for this step. Secure a heavy-duty screw-lock pushrod
connector to each arm in the holes you just drilled out with a
metal retainer. Loosely thread four 4-40 x 1/4" [6mm] SHCS
into the screw-lock connectors.
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10. With the servos centered using the radio and trims,
align the servo arms perpendicular with the fuse centerline
and parallel with each other and secure them to the rudder
servos with the servo arm screws. Insert the two rudder
servo joiner rods (included with the kit) through the screw-
lock connecters as shown and tighten all the 4-40 SHCS.
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11. Connect the other two clevis ends with the brass
couplers installed onto the outer holes of the aft rudder servo
extension. Check to be sure that the elevator servo wires are
not entangled in the rudder pull-pull cables. Slide a swage
onto the ends of the pull-pull cables inside the fuselage.
Move the rudder to the neutral position and feed the ends
of the cables through the holes in the brass couplers. The
pull-pull cables will cross each other inside the fuselage.
With both pull-pull cables having tension and the rudder in
the neutral position, crimp the swages onto the cable ends
to secure them as you did in step 4. You can fine-tune the
tension on the lines by threading the clevises up or down
on the couplers until satisfied. Then, tighten the 4-40 nuts
against the clevises with threadlocking compound and slide
the silicone clevis retainers over the clevises. Be sure that
the rudder is in the neutral position when the cables are both
tight and the rudder servos are perpendicular to the fuse.