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C42 Owner’s Manual (Microlight) Page 38

Step 8. With the trailing edge of the flap resting on your shoulder, squeeze the split sleeve with

one hand and, holding the knurled ring in the other, push the assembly inboard until it

clears the drive tube junction. Lower the flap gently.

Step 9. Unlock the aileron push rods from central bellcrank connections.

Step 10.Remove the keep rings from the front and rear spar pins and the lower strut pin, at each

side, (total 6 rings).

Step 11.Unlock the strut block from lower box section end by removing the strut pin, using the

special tool provided.

Step 12.Unlock the rear wing spar by removing its pin.

Step 13.Unlock front wing spar by removing its pin, hold down the top of the screen to prevent

damage.

Step 14.Close the door.

Step 15.Lift the left wing at its wing tip, or strut tops, so that wing strut block leaves the square

box-section end. By lifting the wing high you will first disconnect the front spar hook from

its pin and frequently the rear spar at the same time. If the rear spar does not disengage,

gently rock the wing from side to side, pulling gently and twisting it until it does.

Step 16.Pull out the wing until it stops on the stop wire. Ensure that the stop wire runs over the

TOP of the aileron operating push tube before folding back the wing.

Step 17.Draw back the wing away from the fuselage until the movement is stopped by the stop

ring on the slide tube.

Step 18.Rotate the wing into a vertical position - underside of the wing to the front; trailing edge

down.

Always hold the wing tip higher than the root to prevent damage to the door and fuselage with

the spars' ends.

Step 19.Carry the wing tip back into a position parallel to the fuselage. If the wing has been

supported at the strut tops, it will be necessary to set it down and pick it up again by its

tip for the next step. During this operation, ensure that the wing cannot tip forwards by

walking your hands along the leading edge to the tip.

Note that the aircraft will tip back upon folding the second wing.

Step 20.Separate the Velcro for 2 or 3 inches (50 to 75 mm) along the aileron root at a point

where the support bracket meets it.

Step 21.Place the wing trailing edge onto the retainer bracket on the tail.

Step 22.Remove the pin from the top of each jury strut.

Step 23.Rotate the jury struts carefully so that they lie parallel and next to each other.

Step 24.Undo the inboard zip on the wing’s lower surface, adjacent to the jury struts.

Step 25.Fold in the main struts to lie flat against the lower wing surface. Secure the strut bottom

with the bungee attached to the wing root.

Step 26.Fold back the right wing according to steps 1 to 25.

iKarus C42 Owner's Manual

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