Maintenance Manual V001
FRECCIA
Maintenance Manual V001
FRECCIA
Seite 50
Seite 51
8.3. MAINTENANCE OF THE MAGNUM LIGHT SPEED SOFTPACK
Throughout the dismantling – or assembly process never use violence or bring tension on the acti-
vation cord! All steps must be made smooth. Otherwise the rocket will activate!
During your work put the shooting out opening always away from yourself and check before star-
ting work that there are no persons or object in shooting out opening! If possible, all works should
be done outside.
Please note, that for all works done yourself are without warranty of function or security, besides
they have been proved by anybody authorized from Junkers Profly GmbH.
All work done by yourself are at your own risk and responsibility.
The rescue system is free of maintenance works (if used appropriately) for the duration of 6 years.
After activating the system or after this span of 6 years, the rescue system has to be sent to the
manufacturer.
This check may only be executed by the manufacturer.
For every damage during the use, which might endanger the safety of the product, Junkers Profly
assures repair of the rescue system and its reduction into the original condition. Every damage
must be communicated to Junkers Profly.
It is recommended to change all fixing cords out of Kevlar or Polyamide after 12 years or after 18
years.
8.4. MAINTENANCE DURING STORAGE
After air traffic the system has to be saved with transport lock.
It is approved to connect transport lock with firing key.
Therefore you avoid that the rescue system is locked mistaken during the flight.
In case of long term storage the rescue system should kept under dry and room temperature con-
ditions.
Other maintenance works will not be necessary.
9. WEIGHING PROCEDURE
This Section contains the limitations of the useful load, within which the airplane may be opera-
ted safely.
Loading condition of the aircraft during weighing:
Equipment as per Equipment Inventory.
Including lubricants.
Petrol tank is empty (except for the residual amount).
When weighing the aircraft in both axes must be horizontal.
Horizontal reference line is the lower cockpit entry edge.
Reference point is the front wing edge at the transition to the fuselage.
Airplane against rolling off.
Under each wheel fix a weighing scale and determine the weights.
BL
BP
BE
S
X
BP
X
3
X
Li
G
Re
G
Li
X
Li
GV
WEIGHING PROCEDERE
BE Reference Plane
BP Reference Point
BL horizontal Reference Line
S
Center of Gravity Arm
G
3
Weight Frontwheel
G
Li
Weight Mainwheel left
G
Re
Weight Mainwheel right
X
3
Moment Frontwheel
- 850 mm
X
Li
Moment Mainwheel left 650 mm
X
Re
Moment Mainwheel right 605 mm
Calculation Center of Gravity Arm:
G
Li
x
X
Li
+
G
Re
x
X
Re
+
G
3
x
X
3
CG
=
G
Li
+
G
Re
+
G
3
Center of Gravity Arm
at 290 kg
178 - 206 mm
at 340 kg
188 - 233 mm
CG (m)
Empty Weight (kg)
CG Range
The CG is in the weight and balance. If changes to the equipment to be made, a new
weighing with the determination of the CG must be done.
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