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Validity : S / N 1 - 9999 Tires - Temperature / pressure chart
Table 301
12-14 01Page 304
(DA) SEP 04
TIRES
INSPECTION / CHECK
1. TIRE CHECK
NOTE : The evaluation of tire distortions must be made when the tires are inflated at the working
pressure and aircraft on ground.
A. Tire scrap criteria
- Tears which exceed the limits of a circle of dia. 0.98 in (25 mm).
- Cuts of about ten textile cords.
- Deep wound with salient edge with local distortion of the contour.
- Perforation of the tire.
- Central and side lug tread completely worn symmetrically or dissymmetrically depending on the
characteristics of the landing gear.
- Nick located at the level of the rim bead.
- Cut of a depth z 0.08 in (2 mm) on the sidewall or if the textile appears in the cut bottom.
- Bulges on the tire sidewalls.
- Unsticking of the tread.
- Creep of the tire on the rim : shift of the marks z 0.08 to 0.12 in (2 to 3 mm).
- If the tire has been accidentally in contact with harmful agents such as petrol, fuel oil, hydraulic fluid.
- On the bead, unsticking of the rubber, blister, rubber merging.
NOTE : The check of the bead can only be performed when the tire is removed from the rim.
WA
Validity : S / N 1 - 9999 12 14-01Page 601
(BA) SEP 04
PAGE INTENTIONALLY LEFT BLANK
SHOCK-ABSORBERS
SERVICING
1. SHOCK-ABSORBER CHARGING AND INSPECTION (Figure 301)
A. Tools and consumable materials
- Shock-absorber charging unit comprising :
. Nitrogen (TB 05-913) or dry compressed air cylinder Hydraulic fluid (TB 02-001)
Equipped pipe P/N Z00.N7850264853
Plunger valve P/N Z00.N7886114804
Valve end P/N Z00.N6028217238 or Z00.N6034127221
Union P/N TB30 91030105 or TB10 900021000
B. Procedure
NOTE : If there are no apparent hydraulic leaks, it is not necessary to fill the shock-absorbers with hydraulic fluid.
NOTE : If the shock-absorber has completely been deflated, directly go to step 5), do not take steps 9) and 10) into account.
NOTE : If the valve core is removed, valve core replacement is mandatory.
1) Jack up the aircraft - refer to 07-10-00.
2) Nose landing gear : remove the engine cowlings - refer to 71-10-01. Main landing gear : access through main landing gear well.
3) Carefully clean valve (12).
4) Remove valve cap (11).
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本文链接地址：TB20 MAINTENANCE MANUAL 12 SERVICING TB20飞机维护手册 12 保养(41)
