(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Disconnect the wires of the cable harness (3) from the limit switch (4). Tag and identify each wire as it is disconnected.
(4)
Cut and remove the lockwire from the adjustment nut (5) and the lock nut (11).
(5)
Remove the lock nut (11) and the lock washer (10) from the limit switch (4).
(6)
Remove the limit switch (4) together with the adjustment nut (5) and the serrated washer (9) from the door sill latch (2).
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R Limit Switch Figure 403/TASK 52-35-13-991-003
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Installation of the Limit Switch 2507MJ
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific red blanking plugs
No specific access platform 2.10 m (6 ft. 11 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific lockwire, corrosion-resistant steel, 0.8 mm (0.032 in.).
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-52-22-000-001 Removal of the Ball Mats and Ball Strips 25-52-22-400-001 Installation of the Ball Mats and Ball Strips 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the
Yellow Electric Pump 52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the
Yellow Electric Pump 52-35-00-710-001 Operational Test of the Door Control System 52-35-13-991-003 Fig. 403
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3. Job Set-up
__________ Subtask 52-35-13-865-057
A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU DOORS/CARGO 1MJ T12
Subtask 52-35-13-860-054
B. Aircraft Maintenance Configuration
(1)
Make sure that the FWD or AFT cargo-compartment door is opened (Ref. TASK 52-30-00-860-001) and safetied with the actuator safety locks.
(2)
Make sure that the access platform in position below the applicable limit switch.
(3)
Make sure that the ball strips and ball mats are removed around the applicable limit switch (Ref. TASK 25-52-22-000-001).
4. Procedure
_________ Subtask 52-35-13-210-052
A. Visual Inspection
(1)
Make sure that the adjacent area of the limit switch is clean and in the correct condition.
(2)
Make sure that the wire ends are in the correct condition.
(3)
Make sure that the electrical connector (1) is in the correct condition.
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B. Preparation of Replacement Limit Switch 2507MJ
(1)
Make sure that the roller (8) of the replaced limit switch (4) is in line with the groove.
(2)
If not, prepare the roller (8) as follows:
(Ref. Fig. 403/TASK 52-35-13-991-003)
(a)
Remove the nut (12) and the bolt (6) from the fork end (7).
(b)
Disengage the roller (8) from the fork end (7).
(c) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM DOORS 舱门6(98)
