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TB20 MAINTENANCE MANUAL 27 FLIGHT CONTROLS TB20飞机维护手册 飞行操纵(67)

时间:2011-11-01 13:12来源:蓝天飞行翻译 作者:航空
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- Lubricant (TB 06-900)
B. Removal of flap actuator (Figure 201)
1) Make sure that the main switch-breaker is open.
2) Install the warning sign prohibiting main switch-breaker operation.
WARNING
DO NOT OPERATE
MAINTENANCE WORK IN PROGRESS
3) Remove the cowling under hull 218.
4) Identify, then disconnect PO43 connector (11) from flap actuator (7), P027 connector (10) and grounding lead (9) from potentiometer (8) and the wires from retracted and extended limit microswitches.
5) Remove and discard cotter pin (13), remove nut (14) and bolt (2).
6) While holding the actuator, unsafety bolts (4). Remove bolts (4), lockplates (5), spacers (6) and washers (12). Discard lockplates (5).
7) Disengage and remove flap actuator (7) from supports (3).
C. Installation of flap actuator (Figure 201)
1) Lubricate flap actuator (7) worm screw with lubricant (TB 06-900) and bolt (2) with grease (TB 04-004A).
2) Position flap actuator (7) with washers (12) interposed between the actuator and supports (3).
3) Secure the actuator using bolts (4), new lockplates (5) and spacers (6). Fold up lockplates (5).
4) Engage lever (1) on the actuator, install bolt (2), nut (14) and a new cotter pin (13).
5) Connect the wires to retracted and extended limit microswitches (as identified during removal), P027 connector (10) and grounding lead (9) to potentiometer (8), PO43 connector (11) to flap actuator
(7).
6) Make sure all the tools and materials are removed and the work area is clean and free from debris.
7) Close main switch-breaker.
8) Remove the warning sign prohibiting main switch-breaker operation.
AGAB
Validity : "LPMI" flap actuator 27-50-01 (EA) Page 201
MAR 00
 

  1 - Lever
2 - Bolt
3 - Support
4 - Bolt
5 - Lockplate
6 - Spacer
7 - Flap actuator
8 - Potentiometer
9 - Grounding lead
10 - P027 connector
11 - PO43 connector
12 - Washer
13 - Cotter pin
14 - Nut

 
Flap actuator - Removal / Installation
Figure 201
AGAB
Validity : "LPMI" flap actuator 27 50-01Page 202
(EA) MAR 00
 
9) Extend and retract the flaps, then check the travels - refer to 27-50-00.
10) Install the cowling under hull 218. 3. ADJUSTMENT / TEST - FLAP ACTUATOR
A. Tools and consumable materials
- Flap travel jig 8650 TB20 00000
- Clinometer
B. Adjustment of landing gear / flaps warning signal and wing flap intermediate microswitches (Figures 202 and 203)
1) Set the intermediate microswitches (I.MS.) to obtain 10° ± 1° flaps extended and 11° ± 1° flaps retracted.
2) The design location of the extended intermediate microswitch (4) (E.I.MS.) is 0.039 in (1 mm) closer to the cam. Set the microswitches so that the extended intermediate microswitch (4) (E.I.MS.) triggers before the retracted intermediate microswitch (1) (R.I.MS.) during flap extension.
 
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