B- Electric retract control operating principle
：
In the normal service condition
，
•
Turn on the retract switch then the control system will activate the retraction system to open after
checking the door fully open by Auto. The doors will close after the retract are open.
•
Turn off the retract switch then the control system will activate the retraction system to close after
checking the doors fully open by Auto. The doors will close again after the retract are close.
Start the
Retract
channel
Gear door
OPEN
Retract
DOWN
Gear door
CLOSE
Shutted down
Retract
channel
Gear door
OPEN
Retract
UP
Gear door
CLOSE
C- Retracts installation, operation and maintenance
Installation:
Installation is simple. The Retracts have a stander clamping and its installation is similar to any standard retract.
An advantage of the electric retract is that installations of complex valves and air circuits are unnecessary. The
Retracts are supplied with long enough cable which is directly connected to the control unit. If the cable is no
long enough, it can be extended with the correct polarity. Is advisable prolong just the necessary length to avoid
voltage drops.
Operation:
Retracts must be operated always through JP Retract Control units. Never operate the retracts with direct battery
or with other brands control units. The best quality of electric retracts. You will notice the advantage of not having
to compress air before each flight, and you will forget the leaks.
