Great Planes Ultra Sport 40 Plus Kit - GPMA0390 - Manual (Page 43)

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6. Retractable Mains/Fixed Tailwheel. Install a screw-lock
pushrod connector on each retract control arm. Use a nylon
retainer to secure the connector to the control arm. Locate
two 4-40 x 1/8" [3.2mm] SHCS and use them to hold the
wire in place as shown. Apply some Great Planes Pro
Threadlocker on the SHCS. Use the above images for
reference.
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7. Retractable Mains/Fixed Tailwheel. Install the right
and the left retracts in place on the retract mounts using the
hardware supplied by the manufacturer. Use the retract
manufacturer’s instructions to drill properly sized holes,
harden them with thin CA and install the retracts. The control
pushrod should slide into the hole previously drilled in W2.
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8. Retractable Mains/Fixed Tailwheel. Cut up a servo
arm as shown in the above image and install two screw-lock
pushrod connectors on it. Install the servo arm on the servo
and secure it with the servo screw. Install the retract control
wires to the screw-lock pushrod connectors. Apply Great
Planes Pro Threadlocker on the SHCS of the screw-lock
pushrod connectors. You will need to adjust the assembly
after the radio is installed.
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9. Retractable Mains/Fixed Tailwheel. Install the retract
axles included with the retracts on the retract legs. Install the
wheels on the axles and hold them in place with 5/32"
[4mm] wheel collars and 6-32" x 1/4" [6.4mm] SHCS. Make
sure the wheel is aligned with the centerline of the wing and
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