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A. Tools and consumable materials
- Ruler, 6.5 ft (2 m) long
- Set-square
- Plumb line
- String
B. Check of camber (Figure 601)
1) Jack up and level the aircraft - refer to 07-10-00.
2) Ensure that the ground is perfectly flat.
3) Check camber with a set-square.
4) If angle a is more than 1° on the gear, wheel axle, fork, sliding body and / or landing gear leg condition should be examined.
C. Check of parallelism (Figure 602)
1) Jack up and level the aircraft - refer to 07-10-00.
2) With a plumb line, mark on ground the position of tangents to firewall (points A and B) and tangents to last frame (points C and D).
3) Mark the mid-points between A and B and C and D. This gives points X and X'.
4) With a string, mark line X, X' which defines the aircraft centerline.
5) Take a ruler (6.5 ft - 2 m long), apply its mid-point against the wheel rim.
6) Measure the distance between each end of the ruler and the aircraft centerline. This distance should be 45.74 in. ± 0.39 (1162 ±.- 10 mm).
D. Check of defective parts (Figure 601)
If camber and / or parallelism checks reveal a distortion exceeding authorized limits, it is mandatory to detect the defective part(s).
CAUTION : CHECK WHEEL ASSEMBLY AND TRIANGULATION IF LANDING GEAR DISTORTION EXCEEDS AUTHORIZED LIMITS - REFER TO 32-40-00 AND 05-50-01.
1) Nose landing gear
a) Viewed from the front, check fork, sliding body and landing gear leg verticality.
b) Viewed from the side, check 12° angle.
2) Main landing gear
a) Viewed from the front, check wheel rim, hinged arm and landing gear leg verticality.
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I I
,_.--)--,11,
14055006AAADVZ4100
a
Camber
Figure 601
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1162 ± 10 mm
45.74 in ± 0.39 in
1162 — 10 mm
45.74 in ± 0.39 in
PM 2170 mm FR 85.43 in
E
E
0
0
0
(.1
1162 1 10 mm
45.74 in ± 0.39 in
14055006AAAAVZ4200 D
Parallelism
Figure 602
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本文链接地址：TB 20 MAINTENANCE MANUAL 05 TIME LIMITS MAINTENANCE CHECKS TB20飞机维护手册 05 时间限制维护检查 2(94)
