advanced scale models A-26 invader Assembly Instructions Manual page 10

IMPORTANT To secure the fuel tanks in place, put a thick piece of foam rubber under the back of each fuel tank and glue one
strip of scrap balsa or light plywood over the top of each fuel tank and one strip of scrap balsa or light plywood against the back of
each fuel tank, then secure the front of each fuel tank to the bottom of the firewall box, using one nylon cable-tie each.
STEp 13: inSTALLinG THE EnGinE coWLinGS
IMPORTANT When you install the cowlings, the moulded radiator intake scoop should be toward the top of the nacelles.
q Test-fit and cut out each cowling for your engines and mufflers. When aligned properly, the back edge of each cowling should
overlap the front of the nacelles 3mm (/8") and the front of the cowlings should be centred around your engine's crankshaft.
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For our four-stroke engine installation, we routed the mufflers out the bottom centre of each cowling. If you're using two-stroke
engines, you'll need to use Pitt's style mufflers.
STEp 14: inSTALLinG THE FixEd mAin LAndinG GEAR
IMPORTANT This step details the installation of the fixed main landing gear. If you will be installing the optional retractable
landing gear, please skip this step and refer to page 6 at this time.
q Install one fuel tank into each nacelle, making sure that the top of each fuel
tank is toward the top of each nacelle. The front of each fuel tank should fit
into the predrilled hole in each firewall and the back of each fuel tank should
be angled down enough to clear the centre wing panel when the nacelles
are installed.
q Install four cowl mounting brackets onto each nacelle, making sure that
the end of each bracket is 6mm (/4") beyond the surface of the nacelles.
Use the sixteen smaller wood screws provided to secure the cowl mounting
brackets into place.
IMPORTANT Position each cowl mounting bracket directly opposite
the corners of the engine mounting boxes - approximately the 2 o'clock,
4 o'clock, 8 o'clock and 0 o'clock positions.
q Locate and drill 4mm (5/32") diameter holes through each cowling for the
mounting screws.
q Install a remote fueling valve into each cowling to make it easy to fuel
the aircraft, then install the cowlings onto the nacelles, using the eight large
wood screws provided.
q Install one plywood main landing gear mounting plate onto the landing
gear mounting rails in each nacelle, using the eight large wood screws
provided.
IMPORTANT Make sure to line up the hole in the slot in each landing
gear mounting plate with the corresponding predrilled hole in each landing
gear mounting rail.
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