14
AIRFRAME REPAIRS
The QQ Extra 300 is molded from durable EPO foam and is repairable with most adhesives. Similar to building and repairing wood or
composite airplanes, the correct glue for a given application is critical to the repair holding and not breaking again. For major repairs, such
as a broken fuselage, epoxy is preferred because it allows time to correct any misalignment. For smaller repairs, such as a cracked control
surface or small chunk of material missing from the airframe, regular CA is very effective. The use of odorless (foam safe) CA is not recom-
mended on EPO foam aircraft because it is weaker than regular CA and takes a longer period of time to cure and the bond tends to be
weaker.
If a part is damaged too badly to be repaired, please refer to the front of the manual for a complete listing of spare airframe parts.
NOTE: Avoid the use of CA accelerant in repairs. It can damage paint and will weaken the bond of the glue. If CA accelerant is
used, be mindful of the locations of CA to prevent premature bonding of parts, or bonding a hand or clamp to the airframe.
REPLACING SERVOS
Required Tools and Fasteners: #1 Phillips Screwdriver
1. Unplug the servo from the receiver.
2. Unscrew the servo arm from the servo and remove the servo arm.
3. Unscrew the two mounting screws located at each end of the servo and remove.
NOTICE:
If a crash is imminent, fully reduce the throttle to prevent further damage to the power system and reduce energy
to lessen impact damage. Never allow the propeller to contact the ground under power, even idle.
BE ADVISED THAT CRASH DAMAGE IS NOT COVERED UNDER ANY PRODUCT WARRANTY.
Avoid keeping the airplane in direct sunlight when not flying. Excessive heat can damage the airplane’s structure and UV
damage can permanently discolor decals.
TIP: Plug a spare extension lead into the servo when removing to make it easier to install the lead of the
servo when replaced.
Summary of Contents for QQ Extra 300
Page 1: ......
