曝光台 注意防骗
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(CA) JUN 02
2) Install wheel chocks.
3) Remove engine cowling 121 - refer to 71-10-01, and inspection door 211 R - refer to 06-30-00.
4) Remove hydraulic fluid reservoir (1) cover.
5) Remove the caps from bleed screws (3).
6) Clean bleed screws (3).
7) Make sure bleeding vinyl hoses (6) are clean.
8) Fill the reservoir of filling pump (4) with new hydraulic fluid (TB 02-001).
9) Drain hydraulic fluid reservoir (1) with a syringe.
10) Disconnect hose (5) from hydraulic fluid reservoir (1). Blank off the outlet of reservoir (1).
11) Connect hose (5) to filling pump (4).
12) Connect bleeding vinyl hoses (6) to bleed screws (3) and to filling pump (4).
13) Unscrew bleed screws (3) by 1 to 2 turns.
14) Have filling pump (4) slowly operated by an operator, slowly and simultaneously compress then release L.H. and R.H. master cylinders (2).
NOTE : It is important to slowly compress then release master cylinders (2) to allow removal of air bubbles.
15) During the first actions, make sure, especially if master cylinders (2) have been replaced, that the thrust rods come back to their initial position.
16) Repeat operation 14), while also operating the parking brake valve, until the air bubbles in vinyl hoses (6) have completely disappeared.
17) Once all air bubbles have disappeared, compress L.H. and R.H. master cylinders (2) and, while still pushing on the brake pedals, tighten bleed screws (3).
18) Disconnect hose (5) and vinyl hoses (6) from filling pump (4), then disconnect vinyl hoses (6) from bleed screws (3).
19) Remove the blanking cap from hydraulic fluid reservoir (1) and connect hose (5) to reservoir (1) - refer to 20-00-02.
20) Fill reservoir (1) with new hydraulic fluid (TB 02-001) - refer to Paragraph 1.
21) Permanently adjust the clearance of the L.H. and R.H. rudder pedals (use the threaded part of the master cylinders). Minimum pedal clearance : 0.19 in (5 mm). This clearance corresponds to the gap left between the master cylinder piston and the lever roller. This gap is necessary in case of temperature changes - see Detail A.
22) Install the caps on bleed screws (3).
23) Perform a braking test and check for leaks.
NOTE : Do not apply the parking brake when linings are warm as this may lead to blocking.
24) Make sure all the tools and materials are removed and the work area is clean and free from debris.
25) Install engine cowling 121 - refer to 71-10-01, and inspection door 211 R.
ABAA
Validity : S / N 1 - 9999 12-13 01Page 302
(CA) JUN 02
C. Brake system bleeding procedure without a hand pump (Figure 302) NOTE 1 : This procedure must be carried out by at least two persons.
NOTE 2 : During the entire bleeding operation, monitor and top up the hydraulic fluid level in reservoir (1).
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TB20 MAINTENANCE MANUAL 12 SERVICING TB20飞机维护手册 12 保养(26)
