Great Planes F4 Phantom - GPMA0440 - Manual (Page 26)

5. Slide formers F-6, F-3, F-2 and the retract plate in 13. Drill 3/16" holes at the marks for the throttle and
steering pushrod exits. Drill 7/32" holes for the fuel and
pressure lines. position, in that order.
6. Trim the fuse side below the forward lower doubler,
14. If you will be using retracts, mount the retractable
nose gear to the bottom of the retract plate, as far forward
as possible.
Note: If you will be using another brand of retracts, the
retract plate may need to be raised to allow the nose wheel
to retract below the edge of the fuse side doublers. On
some mechanical retracts the nose wheel strut can be bent
slightly. On some pneumatic retracts the nose wheel strut
cannot be bent due to the air cylinder.
1/8" back from the front edge. Insert the fuse sides into the
slots in F-1 C and tack glue F-1 C in place.
7. Align the fuse over the fuse plan top view with the
firewall hanging over the edge of the table. With the
formers perpendicular to your building board, glue only
formers F-3 thru F-7 to the fuse sides. Do not glue F-2 at
this time.
8. Cut the "spreader bar" from the supplied Great Planes
engine mount and trim off any flashing. Slide the two
halves together.
9. Temporarily mount the engine mount to the firewall 15. Mark former F-2 for the throttle, steering and retract
with four 6-32 x 1" Phillips head machine screws and #6
washers. Do not tighten the screws completely. (if used) outer pushrods. Remove the former and drill a
3/16" hole at each mark.
10. Place your engine on the engine mount and adjust
the mount until the engine fits.
11. Mark the throttle pushrod, fuel line and pressure line
exit holes on the firewall.
12. If you will be using the fixed landing gear, install a
16. Reinstall the retract plate and the firewall. Position
the fuse over the top fuse plan and use 30-minute epoxy to
glue the firewall to the fuse sides. Do not glue the "wrap
around" of F-1 to the fuse sides.
Screw-Lock Pushrod Connector in the outer hole of the
steering arm. Insert the nose gear through the engine
mount. Install the steering arm on the nose gear, on top of
the engine mount. Mark the steering pushrod exit hole
aligned with the pushrod connector. 17. After the epoxy cures, glue the retract plate and
former F-2 to the fuse sides and the firewall.
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