Section.16:.Cowling.installation - Hangar 9 T-34 Mentor 40 ARF Assembly Manual

Section 16: Cowling Installation
Required Parts
•.Fuselage.assembly.
•.#2.x.1/2".sheet.metal.screw.(4)
Required Tools and Adhesives
•.Drill
•.Drill.bit:.3/32".(2.5mm),.1/8".(3mm)
•.Hobby.scissors
•.Phillips.screwdriver.(small)
•.Rotary.tool.with.sanding.drum

.Step 1
Use.a.piece.of.cardstock.to.indicate.the.location.of.the.
engine.head,.muffler,.needle.valve.and.firewall.

.Step 2
Remove.the.engine..Position.the.cowl.onto.the.fuselage.so.
1
it.is.4 / ".(115mm).from.the.firewall..Transfer.the.location.
.
2
for.the.engine.and.needle.valve.onto.the.cowl.
•.Cowling

.Step 3
Remove.the.cowl.and.remove.the.necessary.material.to.fit.
the.cowl.over.the.engine..Install.the.engine.back.onto.the.
firewall.and.test.fit.the.cowl.over.the.engine.
Hint:.Start.by.removing.only.a.little.material.
at.a.time..You.can.always.make.the.holes.
bigger,.but.you.can't.make.them.smaller..Work.
until.the.cowl.fits.nicely.over.the.engine.

.Step 4
Slide.the.cowling.onto.the.fuselage..Temporarily.install.
the.propeller.and.spinner.back.plate..Position.the.cowl.so.
there.is.1/8".(3mm).gap.between.the.back.plate.and.the.
cowl.

.Step 5
Use.the.cardstock.from.Step.1.to.locate.the.positions.
for.the.cowling.screws..The.goal.is.to.drill.into.the.cowl.
mounting.blocks.for.the.four.screws.that.hold.the.cowling..
Drill.the.locations.using.a.3/32".(2.5mm).drill.bit.
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