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4. Procedure _________ (Ref. Fig. 401/TASK 32-45-52-991-002) Subtask 32-45-52-020-050 A. Removal of the Rotary Switch (1) Remove the screw (5), the pin (4), and the knob (3).
(2) Loosen the four Dzus fasteners (2) from the panel 110VU (1) by a quarter turn.
(3) Lift the panel 110VU (1).
(4) Identify and disconnect the wires (9) from the rotary switch (8) with the applicable tool color white/red included in the ELECTRICIAN SERVICE TOOL KIT (DMC519).
(5) Remove the nut (6) and the washer (7).
(6) Remove the rotary switch (8).
1EFF : ALL 1 32-45-52Page 402 1 1 Feb 01/98 1 1 1CES 1
Parking Brake Control Switch Figure 401/TASK 32-45-52-991-002 1EFF : ALL 1 32-45-52 Page 403 1 1 Feb 01/98 1 1 1CES 1
TASK 32-45-52-400-001 Installation of the Parking Brake Control Switch (73GG) 1. Reason for the Job __________________ Self Explanatory 2. Job Set-up Information ______________________ A. Fixtures, Tools, Test and Support Equipment -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION ------------------------------------------------------------------------------- No specific pin DMC519 1 ELECTRICIAN SERVICE TOOL KIT B. Referenced Information -------------------------------------------------------------------------------REFERENCE DESIGNATION ------------------------------------------------------------------------------- 22-97-00-710-001 Operational Test of the LAND CAT III Capability 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 29-24-00-863-001 Pressurize the Yellow Hydraulic System with the Electric Pump 29-24-00-864-001 Depressurize the Yellow Hydraulic System 32-45-52-991-002 Fig. 401 3. Job Set-up __________ Subtask 32-45-52-865-051 A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/PARK BRK/CTL/STBY 71GG N37 121VU HYDRAULIC/PARK BRK/CTL/NORM 70GG N36 1EFF : ALL 1 32-45-52Page 404 1 1 Feb 01/98 1 1 1CES 1
4. Procedure _________ (Ref. Fig. 401/TASK 32-45-52-991-002) Subtask 32-45-52-420-050 A. Installation of the Rotary Switch (1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Install the rotary switch (8).
(3) Install the washer (7) and the nut (6).
(4) Connect the wires (9) to the rotary switch (8) with the applicable tool color white red included in the ELECTRICIAN SERVICE TOOL KIT (DMC519).
(5) Do an inspection of the component interface and/or the adjacent area.
(6) Install the panel (1) on the support (10).
(7) Tighten the four Dzus fasteners (2) on the panel (1).
(8) Install the knob (3), (in OFF position), the pin (4), and the screw (5).
Subtask 32-45-52-861-050 B. Energize the aircraft electrical circuits. (Ref. TASK 24-41-00-861-002) Subtask 32-45-52-865-052 C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 70GG, 71GG 1EFF : ALL 1 32-45-52Page 405 1 1 Feb 01/98 1 1 1CES 1 Subtask 32-45-52-720-050
D. Test of the Rotary Switch -------------------------------------------------------------------------------ACTION RESULT ------------------------------------------------------------------------------- 1. Pressurize the Yellow hydraulic system with the electric pump (Ref. TASK 29-24-00-863-001). On the panel 400VU, on the Yellowpressure triple indicator 60GG, makesure that the pressure increases until 206 bar (3000 PSI) (the indicator pointer is in the green range). 2. Depressurize the Yellow hydraulic system (Ref. TASK 29-24-00-864-001). 3. On the panel 110VU, put the Parking Brake Control Switch 73GG in the ON position. On the panel 400VU, on the Yellowpressure triple indicator 60GG, makesure that the Yellow pressure applied to the brakes increases. On the nose gear leg, on the N/W steering deactivation electric-box 5GC, the parking brake indicator light is www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM LANDING GEAR 起落架8
