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TB20 MAINTENANCE MANUAL 32 起落架 TB20飞机维护手册(70)

时间:2011-11-03 13:08来源:蓝天飞行翻译 作者:航空
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1) Jack up the aircraft - refer to 07-10-00.
2) Make sure that the main switch-breaker is open.
3) Install the warning sign prohibiting main switch-breaker operation.
WARNING
DO NOT OPERATE
MAINTENANCE WORK IN PROGRESS
4) Remove the engine cowlings (nose landing gear microswitch) - refer to 71-10-01.
5) If installed, connect the ground power unit - refer to 24-40-00.
6) Close main switch-breaker.
WARNING : PRIOR TO ANY LANDING GEAR OPERATION, MAKE SURE THE LANDING GEAR AREA IS CLEAR.
7) Retract landing gears.
8) Check that lights are "OFF" on control panel.
9) Check that the microswitch is in full contact (after the click) with the nose landing gear leg and with the main landing gear shock-absorbers.
AAAA
Validity : S / N 1 - 9999
Page 205
32-30-07
(BA) JUN 02
 
S / N 1 - 790
10) Check that the Service Letter No. 26 has been applied.
S / N 1 - 9999
11) Check landing gear control linkage and indicating system - refer to 32-30-00.
12) If connected, disconnect the ground power unit - refer to 24-40-00.
13) Lower the aircraft to ground and remove the jacks - refer to 07-10-00.
14) Install the engine cowlings - refer to 71-10-01.
15) Remove the warning sign prohibiting main switch-breaker operation.
WA
Validity S / N 1 - 9999 32-30-07Page 206
(BA) JUN 02
 
 
1 - Connector
2 - Bolt
3 - Washer
4 - Bracket
5 - Microswitch
6 - Counterplate
6A - Counterplate
7 - Washer
8 - Nut

 
 
Up landing gear microswitch - Removal / Installation
Figure 202
Ity : S / N 1 - 9999 rA Validity 32-30-07 Page 207
(BA) JUN 02
 
1 - Boss
2 - Hook
3 - Stud
4 - Half-leg
5 - Microswitch
 
Hinged strut microswitch - Adjustment / Test
Figure 203
 
LANDING GEAR HYDRAULIC SYSTEM PIPES AND HOSES
MAINTENANCE PRACTICES
1. SERVICING - LANDING GEAR HYDRAULIC SYSTEM PIPES AND HOSES (Figure 201)
A. Tools and consumable materials
- Blanking caps and plugs
- Red paint
B. Location of landing gear hydraulic system pipes and hoses
Under engine cowlings 121 and 131
- hose (4) connecting nose landing gear actuating cylinder (6) and tee union (3),
- hose (5) connecting nose landing gear actuating cylinder (6) and tee union (7). Under L.H. instrument panel and inspection doors 235L and 235R
- landing gear emergency pipe (1) connecting valve (36) and tee union (3),
- landing gear emergency pipe (2) connecting valve (36) and tee union (7). Under inspection doors 2351_ 235R and 236
- upper pipe (8) connecting tee union (7) and tee union (17),
 
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