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(BA) JUN 02
Defaut d'alignement angulaire Defaut d'alignement lateral
Angular mismatch Lateral mismatch
Maximum admissible:
0.8 mm (1/32 in) par tranche de 250 mm (10 in)
de longueur de la tuyauterie
Maximun allowable: 0.8 mm (1/32 in)
per 250 mm (10 in) of line length
Defaut d'alignement longitudinal Longitudinal mismatch
3. ADJUSTMENT / TEST - LANDING GEAR HYDRAULIC SYSTEM PIPES AND HOSES
A. Tools and consumable materials
- Hydraulic test bench 0 - 3627 psi (0 - 250 bars)
B. Procedure
1) Connect pipe (hose) to the hydraulic test bench.
2) Apply pressure of 2466 psi (+ 435 ; - 0) [170 bars (+ 30 ; - 0)].
3) Inspect for leaks and distortion.
4) Drop pressure.
5) Remove pipe (hose).
WA
Validity : S / N 1 - 9999 20-00-02Page 204
(BA) JUN 02
PAINT
MAINTENANCE PRACTICES
I 1. "ACRYLIC" PAINTS
NOTE : Correspondences between SOCATA references and paint codes - refer to 20-10-00.
NOTE : After paint touch-ups or rectifications on control surfaces, check balancing refer
to 51-60-00.
S / N 1 - 477. 480 - 484. 486. 488 - 492, 494 - 496. 499
A. Paint renewal
1) After repairing, clean and degrease the area(s) to be painted with thinner (TB 16-575).
2) Apply a coating of primer (TB 16-516).
3) Apply an undercoating of "Acrylic series 72000" paint.
- thickness 20 to 30 microns (dry) - 30 to 40 for rivets,
- weight for 30 microns (dry) 37.2 g / m2 (0.12 ounce / sq.ft),
- time before next application at 20°C (68°F) : minimum 1 hour maximum 48 hours
II 4) Apply a varnish (TB 16-537) plus a hardener (TB 16-578).
- thickness 30 to 40 microns (dry),
weight for 30 microns (dry) 33.6 g / m2 (0.11 ounce / sq.ft),
- protection from dust : 30 minutes,
- possible to handle after 3 hours,
- hard dry after 10 hours,
- complete curing after 7 days.
2. "POLYURETHANE SERIES 58200" PAINTS
NOTE : Correspondences between SOCATA references and paint codes - refer to 20-10-00. NOTE : After paint touch-ups or rectifications on control surfaces, check balancing refer
to 51-60-00.
S / N 478. 479. 485. 487. 493, 497. 498, 500 - 793. 795 - 799 A. Complete paint renewal
Temperatures 20°C - 30°C (68°F - 86°F).
1) Priming coat operation
a) Remove alodine by sanding with abrasive cloth (TB 05-916B).
b) Wipe.
I c) Apply wash primer (TB 16-517) (thickness 6 to 10 microns).
WA
Validity : S / N 1 - 9999 20 00-03Page 201
(BA) JUN 02
d) Dry wash primer 30' : 20°C (68°F)
20' : 30°C (86°F)
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本文链接地址：TB20 MAINTENANCE MANUAL 20 STANDARD PRACTICES AIRFRAME TB20飞机维护手册 20 标准施工机体(15)
