DG Flugzeugbau DG-1000T Manuel d'entretien - Page 9

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DG Flugzeugbau DG-1000T Manuel d'entretien
Enclosure 3 for maintenance manual DG-1000T
Optional throttle handle in the rear cockpit TN1000/15
Service Instructions
Part designations see MM diagram 19 and sketches below
I. Bleeding the hydraulic system
Necessary material:
• Hydraulic fluid: Magura Blood Hydraulic Mineral Oil (don't use brake fluid)
Necessary tools:
• Different spanners
• one 50 ml syringe
one 20 ml syringe
Instructions:
If there is so much air in the system that you can move the rear cylinder with the front cylinder
blocked more than + 5mm, both lines and both cylinders must be refilled.
Proceed as follows:
1. Remove the cover from the front instrument panel and open the rear instrument panel.
2. Remove both cylinders. To accomplish this disconnect the front cylinder at its lower
mounting and remove the clamp from the front cylinder. Don't remove the Bowden cable
from the clamp! Remove the handle from the rear cylinder. Remove the lock wires from all
terminal nipples.
3. Move the rear cylinder from position 1 to position 2. The terminal nipples must point
upwards.
4. Remove line 2 from the front cylinder. To accomplish this press the black securing ring into
the terminal nipple. Push one50 ml syringe into the line.
5. Remove line 2 from the rear cylinder. Insert the line into a canister with hydraulic fluid.
6. Pull approx. 50 ml hydraulic fluid with the syringe through the line.
7. Fill the 20 ml syringe with hydraulic fluid. Lift line 2 out of the hydraulic fluid and fill the
line completely with hydraulic fluid from the 20 ml syringe. Fill also the front terminal at the
rear cylinder and connect the line to the cylinder.
8. Remove the syringe from the front end of line 2. Fill the line completely with hydraulic fluid.
Insert the line into a canister with hydraulic fluid. Pull the rear cylinder to position 1. The
terminals of the front cylinder must point upwards. Pick up the excess hydraulic fluid
9. Lift line 2 out of the hydraulic fluid and fill the line completely with
hydraulic fluid from the 20 ml syringe. Fill also the lower terminal
nipple at the front cylinder and connect the line to the cylinder. The
front cylinder must be in position 1 for this procedure.
10. Fill line 1 in the same way as line 2.
11. Apply the lock wire securing devices to all terminal nipples
according to the sketch on the next page.
Issued: March 2008
TN1000/15
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