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9) Install inspection door 238 (5) and the rear bench seatpan - refer to 25-12-00.
2. LANDING GEAR HYDRAULIC SYSTEM FILLING (Figure 301)
A. Tools and consumable materials
- Hydraulic fluid (TB 02-001)
- Ground power unit
B. Procedure
1) Remove the rear bench seatpan - refer to 25-12-00, and inspection door 238 (5) - refer to 06-30-00.
2) Jack up the aircraft - refer to 07-10-00.
3) Remove rear cowling under hull 218A.
4) Drain the landing gear hydraulic system - refer to 12-13-04.
5) Fill electrohydraulic generator (1) - refer to Paragraph 1. Do not install gage (2) and do not screw air vent screw (3).
NOTE : Fill until the level of hydraulic fluid (TB 02-001) comes 0.39 in (10 mm) below the threaded part of the gage.
AAAA
Validity : Electrohydraulic generator
"PRESTOLITE" 12-13 Page 301
03 (BA) JUN 02
6) For the aircraft equipped with a ground power receptacle, connect the ground power unit - refer to 24-40-00.
7) Close main switch-breaker.
WARNING : PRIOR TO ANY LANDING GEAR OPERATION, MAKE SURE THE LANDING GEAR AREA IS CLEAR.
CAUTION : AFTER EACH LANDING GEAR MANEUVER, MAKE SURE THE LEVEL OF HYDRAULIC FLUID IN THE ELECTROHYDRAULIC GENERATOR IS CORRECT. TOP UP IF NECESSARY.
8) Operate the landing gears - refer to 32-30-00. After each landing gear maneuver, make sure the level of hydraulic fluid (TB 02-001) in the electrohydraulic generator is correct. Top up if necessary - refer to Paragraph 1.
NOTE : Keep the hydraulic fluid level at 0.19 in (5 mm) below the threaded part of the gage.
9) Operate the landing gears until the level of hydraulic fluid (TB 02-001) in the electrohydraulic generator is stabilized.
10) Open main switch-breaker.
11) If connected, disconnect the ground power unit - refer to 24-40-00.
12) Screw air vent screw (3) of electrohydraulic generator (1).
13) Install gage (2).
14) Make sure all the tools and materials are removed and the work area is clean and free from debris.
15) Install rear cowling under hull 218A.
16) Lower the aircraft to ground and remove the jacks - refer to 07-10-00.
17) Install inspection door 238 (5) and the rear bench seatpan - refer to 25-12-00.
1 - Electrohydraulic generator
2 - Gage
3 - Air vent screw
4 - Screw
5 - Inspection door 238
6 - 0-ring
7 - Notch
Landing gear hydraulic system - Filling
Figure 301
WA
Validity : Electrohydraulic generator
"PRESTOLITE" 12-13-03Page 303
(BA) JUN 02
PAGE INTENTIONALLY LEFT BLANK
WA
Validity : Electrohydraulic generator
"PRESTOLITE" 12-13-03Page 304
(BA) JUN 02
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TB20 MAINTENANCE MANUAL 12 SERVICING TB20飞机维护手册 12 保养(29)
