Perform the adjustment as follows:
Unscrew and remove the inner horizontal bolt of the airbrake’s plate. Do not lose any parts!
Lift the airbrake in order to make room for further operation.
Unscrew and remove the bolt attaching the rod-end bearing to the airbrake’s plate lever.
Do not lose any parts!
Rotate the rod-end bearing ne-setting nut 360° so that the rod end moves towards the
other end of the airbrake’s box (length of rod increases). Make sure you secure this nut
after turning it for 360°!
Grease the drive around the rubber sleave inside the airbrake’s box using rubber-non-
agressive lubricant spray.
Once you have accomplished this, repeat steps 1-3 in opposite order (3,2,1). Make sure you apply ad-
hesive (e.g. Loctite) on all screws when reattaching!
Perform the procedure at the other airbrake as well. In the end verify airbrakes for equal extension.
WARNING! Should the airbrakes not retract evenly, apply step action 4 again for the air-
brake, which remains higher when retracting.
Clicking noise overhead
The wings are factory tted to the fuselage to make a tight t at approximately 20° Celsius. When ex-
posed to low temperatures, materials shrink. Therefore, ying in the winter or in cold temperatures,
you may encounter “click-clack” like noises above your head. The remedy for this unpleasant noises
is to add washers, tipically of 0,5 mm thickness in-between wing and fuselage. Washers must be
added both at rear and front bushings at one side of the fuselage only!
WARNING! It is mandatory to consult the manufacturer or authorised service personnel
before applying washers!
Venting the hydraulic brakes’ lining
In case you notice poor braking action even when hydraulic brake levers are depressed fully, it is
most denitely necessary to vent the hydraulic lining. To do so, rst unscrew the caps of small uid
reservoars (behind rudder pedals on one side of the cockpit) and remove the inner seal cap.
At the side where there are no uid reservoars grab the whole rudder pedal and deect it back fully,
so that it becomes level with the cockpit’s oor beneath. Now, at the side where there are ud reser-
voars, jerk brake levers back and forth a couple of times - this will push air bubbles towards the res-
ervoar and out of the lining. When convinced air bubbles are no more, put seal caps back onto the
reservoars and screw the caps on as well. Repeat the procedure for the other brake lever.
WARNING! Should you encounter any diculties during this procedure or the air bubbles
would not vent, please consult the manufacturer or authorised service personnel for further
instructions.
Handling and maintenance
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