Great Planes RV-4 60 ARF - GPMA1357 - Manual (Page 12)

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2. Locate the 2" [51mm] axles. Cut both axles to a
length of 1-3/4" [44mm]. A high-speed rotary tool with a cut-
off wheel works well for this application. Install the axle and
axle nut onto the landing gear.
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3. File a flat spot on the end of the axle. A high-speed
rotary tool works well for this also.
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4. Insert a 6-32 set screw into a 5/32" [4mm] wheel
collar. Slide it onto the axle. Slide the wheel onto the axle,
and then slide another 5/32" [4mm] wheel collar. Screw
another 6-32 set screw into the wheel collar with a drop of
threadlocker. Center the wheel, and then tighten the set
screws on the wheel collars.
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5. Slide the wheel pant over the wheel. Attach the
wheel pant to the landing gear with two 4-40 x 1/2" [13mm]
MS, #4 flat washers and #4 lock washers.
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6. Repeat step 1 to 5 for the other wheel pant.
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7. Locate the nylon tail wheel assembly bearing. Glue it
into the hole located on the bottom, back of the fuselage.
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8. Install the two wheel collars onto the tail wheel
assembly as shown. Install and tighten the set screw into the
wheel collar.
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9. Install the tail wheel assembly. Position the “L-bracket”
onto the fuselage, making sure it is over the top of the wheel
collar. Drill a 1/32" [.8mm] hole through each of the mounting
holes in the bracket. Secure the bracket to the fuselage with
the two SMS provided in the tail wheel assembly hardware.
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