Great Planes Giant Citabria 30cc/EP ARF - GPMA1435 - Manual (Page 25)

25
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30. These three photos show three engine installations
and the plywood plate installed to assure the ignition leads
do not touch the muffler.
INSTALL THE COWL
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1. Locate the plywood cowl ring. Secure it to the firewall
with four 6-32 x 3/4" [19mm] socket head cap screws, #6 lock
washers and #6 flat washers.
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2. Locate three plywood disks. These will aid you in
centering and assembling the cowl. These three disks need to
be glued together and centered with one another. The easiest
way to do this is to slide disk #1 onto the front of the engine.
Then glue disk #2 to disk #1, again sliding disk #2 onto the
engine. When the glue has hardened, slide disk #3 onto the
crankshaft and glue it to disk #2. This assembly does not
require much glue for where it will be used. A small amount
of medium CA glue should work well. Once the glue has
hardened, remove it from the front of the engine.
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3. Measure inside the cowl from the back of the cowl
approximately 1" [25mm]. Lightly sand (roughen) that area
inside of the cowl with 120 grit sandpaper and then wipe the
area clean with a paper towel wetted with rubbing alcohol.