Specifications

18 Hangar 9 Sundowner 36 ARF
Main Landing Gear Installation
Required Parts
Fuselage assembly Main landing gear
Axle, 4mm (2) Wheel pant (right and left)
Locknut, 4mm (2) 4mm washer (4)
Landing gear cover
2mm x 8mm self-tapping screw (2)
4mm x 12mm socket head bolt (2)
Wheel collar, 4mm with setscrew (2)
Main wheel, 2-inch (52mm) (2)
Required Tools and Adhesives
Nut driver: 7mm Open-end wrench: 10mm
Ruler Threadlock
Flat file Light oil
Ruler Felt-tipped pen
Hex wrench: 1.5mm, 2mm, 3mm
 1. Carefully slide two 4mm washers inside the landing
gear cover. Turn the cover over and align the washers over
the holes in the cover.
 2. Insert the 4mm x 12mm socket head screws through
the washers and the landing gear cover.
 3. Place the landing gear cover assembly on the landing
gear. Note that the landing gear will angle forward as shown
in the photo. The screws will fit into the mounting holes in
the landing gear.
Note: Always use threadlock on metal-to-metal
fasteners to prevent them from vibrating loose.
 4. Attach the landing gear to the fuselage using the
screws installed in step 2 and a 3mm hex wrench. Use a
paper towel and rubbing alcohol to remove the mark made
in step 1.
 5. Use a flat file to make a flat area on the axle that is
1/4-inch (6mm) wide as shown.
Note: Always use threadlock on metal-to-metal
fasteners to prevent them from vibrating loose.