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TB20 MAINTENANCE MANUAL 32 起落架 TB20飞机维护手册(77)

时间:2011-11-03 13:08来源:蓝天飞行翻译 作者:航空
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b) Blue wire UP relay (10) or (10A),
c) Green wire DOWN relay (9) or (9A).
5) Apply a coat of varnish (TB 07-906) on the grounding lead connection.
6) Replenish the generator - refer to 12-13-03.
WARNING : BEFORE ANY LANDING GEAR RETRACTION OR "NORMAL" OR "EMERGENCY" EXTENSION PROCEDURE, AND / OR LANDING GEAR CIRCUIT-BREAKER CLOSING, MAKE SURE THAT THE LANDING GEAR IMMEDIATE SURROUNDINGS ARE CLEAR (PERSONS OR THINGS).
7) Check landing gear control linkage and indicating system - refer to 32-30-00.
8) Make sure that there is no leak or hydraulic fluid seepage.
9) Trace a reference mark with red paint on pipes (2) and (3).
10) Install the inspection door 238.
11) Install the rear bench seatpan - refer to 25-12-00.
12) Install the cowling under hull 218.
13) Lower the aircraft to ground and remove the jacks - refer to 07-10-00.
D. Removal of the landing gear relay
NOTE : Simple operation, not described.
E. Installation of the landing gear relay
NOTE 1 : Simple operation, not described.
14V
28 V Pre-MOD. 163
NOTE 2 : On receipt of relays (9) and (10) and of their mounting brackets, make sure they are correctly engaged. If not, put two drops of Loctite (TB 08-908) between relay and bracket.
All
NOTE 3 : The line on the diode shows the cathode.
AAAA
Validity : Electrohydraulic generator
"PRESTOLITE" 32-35 01 Page 202
(BA) JUN 01
 
 
12
1 - Electrohydraulic generator
2 - Pipe
3 - Pipe
4 - Distribution plate
5 - Nut
6 - Washer
7 - Bolt
8 - Electric wiring
9 - DOWN relay (14 V, 28 V Pre-MOD. 163) 9A - DOWN relay (28 V Post-MOD. 163)
10 - UP relay (14 V, 28 V Pre-MOD. 163)
10A - UP relay (28 V Post-MOD. 163)
11 - Bracket
12 - Frame C3
1
 

14323501AAADWZ24200 

Electrohydraulic generator - Removal / Installation
Figure 201
AAAA
Validity : Electrohydraulic generator
"PRESTOLITE" 32-35-01 Page 203
(BA) JUN 01
 
3. ADJUSTMENT / TEST - ELECTROHYDRAULIC GENERATOR (Figures 202, 203 and 204)
A. Tools and consumable materials
- Adaptor or test base
- Hand hydraulic pump
- 2 isolating valves
- 1 pressure gage
- 1 four-way union
- 3 high pressure pipes
- 1 battery 12 or 24 volts or 1 constant voltage electric supply
- Electric wiring, section 0.046 - 0.077 sq.in (3 to 5 mm2)
- 1 ammeter, mini 100 A
- 1 voltmeter
- 1 control switch
- Hydraulic fluid (TB 02-001)
B. Procedure
1) Remove the electrohydraulic generator.
2) In order to perform pressure tests on the electrohydraulic generator, it will be necessary to use the airframe manufacturer's connecting base, or make a test base similar - refer to Figure 202.
 
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