User Manual

40
Twin Otter ARF Assembly Manual
􀀀 􀀀 Step 8
Use a 3/32-inch hex wrench to secure the wing strut to
the wing with a 4-40 x 3/4-inch Allen head machine screw.
􀀀 􀀀 Step 9
Thread a 1/4-20 x 2-inch nylon bolt into the wing
panels to secure them to the fuselage.
􀀀 Step 10
Set the top hatch in place on the fuselage and mark
the mounting hole locations with a pencil.
􀀀 Step 11
Use a 1/16-inch drill bit in a pin vise to drill the
mounting holes in the fuselage. Apply a small drop of
thin CA to each of the holes to strengthen the wood.
Allow the CA to cure without using accelerator.
􀀀 Step 12
Use a #1 Phillips screwdriver to install the hatch with
four #2 x 1/4-inch woodscrews.