Electric Motor Installation - Horizon Hobby ARF Hangar 9 Manuel D'utilisation

ELECTRIC MOTOR INSTALLATION

1. Place the mounting template on the fi rewall. Use low-tack tape to
hold the template in position. Use a drill and 3/32-inch (2.5mm) drill
bit to drill the four holes in the fi rewall to attach the motor box.
 When using power systems other than the recommended
choices, we advise using the mounting template as a test
to ensure hole alignment before drilling the firewall.
2. Remove the template from the fuselage. Use a drill and 13/64-inch
(5mm) drill bit to enlarge the holes from the previous step.
3. Measure 3 13 / inches (97.2mm) from the rear of the motor box and
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use a felt-tipped pen and square to draw a line on the box.
 The measurement is for the recommended Rimfire 65cc
electric motor (GPMG4805). When using other motors,
the distance from the rear of the motor box to the drive
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washer must measure 7 / inches (195mm).
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4. Use a square to check the horizontal position the motor fi rewall in
the motor box. Use the line drawn in the previous step to position the
front edge of the fi rewall.
5. Use a square to check the vertical position of the fi rewall. Once
positioned, use a felt-tipped pen to mark the position of the fi rewall
on all sides of the motor box. Mark the inside of the box to indicate
the location to apply epoxy.
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6. Slide the fi rewall so epoxy can be placed in the motor box. Mix 1/3
oz (15mL) of 30-minute epoxy. Use an epoxy brush to apply epoxy in
all areas where the fi rewall contacts the motor box.
7. Slide the fi rewall back into position. Use a square to check the
positioning of the fi rewall. Low-tack tape can be used to hold the
fi rewall in position until the epoxy fully cures. Use a paper towel and
isopropyl alcohol, to remove any excess epoxy.
8. Once the epoxy fully cures, remove the tape from the motor box.
Install the triangle stock on the inside of the motor box. Make sure to
cut the triangle stock so it does not cover the blind nuts and fi ts tight
into the corners of the motor box.
9. Cut the template from the instruction sheet provided with the motor.
Tape the template to the fi rewall and use a drill and 9/32-inch
(7mm) drill bit to drill the holes for the motor mounting bolts.
10. Use a drill and rotary tool to make a slot in the fuselage fi rewall to
pass the battery and receiver leads into the fuselage. Make sure the
motor box will not cover the hole when installed.
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