Great Planes Piper J-3 Cub 40 Kit - GPMA0160 - Manual (Page 32)

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1. Using a flat file, chamfer the ends of the main landing
gear wire to remove any sharp edges. Note: For best
ground handling, the main landing gear should have one or
two degrees of “toe-in.” Check this by sighting across from
one axle to the other. If if looks like the wheels will toe-out,
try reversing the landing gear wires to the opposite sides. It
may be necessary to put the wires in a vise and bend them
to produce the toe-in.
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2. Insert the landing gear wires into the grooved landing
gear block on the bottom of the fuselage. The landing gear
wires lay side by side in the grooved block and flush with the
surface of the grooved block.You will have to carve the corners
of the holes out slightly to get the gear to fit down all the way.
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3. Position Nylon LG Straps (NYLON36) over the landing
gear wire approximately 1" from the bends in the landing
gear wires. Mark the locations of the mounting screws on the
grooved block. Drill a 1/16" hole at each of these marks.
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4. Secure the landing gear straps to the grooved block
with the #2 x 3/8" sheet metal screws (SCRW024). NOTE:
The landing gear wires should be removed before the
covering is applied.
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5. Position the die-cut 1/8" plywood Landing Gear
Fairings (CUB4F04) over the landing gear wires as shown
in the photo. Use a pliers to bend four nylon Landing Gear
Straps (NYLON36) as shown in the sketch. Mount the nylon
straps to the fairings with four #2 x 3/8" Sheet Metal
Screws (SCRW024). Mount the nylon straps to the fuselage
with four #2 x 1/2" Button Head Screws (SCRW088) as
Install Main Landing Gear
32