(d)
AIRPLANES WITH CONTROL WHEEL STEERING; make sure the new MCP has CWS lenses installed. If the new MCP has switch guards installed below the CMD switches, replace the switch guards with the CWS lenses from the removed MCP.
D. Test the Mode Control Panel
S 862-017
(1)
Supply electrical power (AMM 24-22-00/201).
(2)
Set the two F/D switches on the MCP to OFF.
S 862-019
(3)
Remove DO-NOT-CLOSE tags and close these circuit breakers:
S 862-018
(a) P11 Overhead Circuit Breaker Panel:
1) 11E16, MODE CONT PNL LEFT
2) 11E34, MODE CONT PNL RIGHT
3) 11N30, INSTRUMENT & PANEL GLARE SHIELD
4) 11P1, IND LTS L 1
5) 11P2, IND LTS L 2
6) 11P28, IND LTS R 1
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757 MAINTENANCE MANUAL
7) 11P29, IND LTS R 2
S 722-020
(4)
Make sure the MCP lightplate comes on.
S 712-021
(5)
Do MCDP Ground Test 04-MCP (AMM 22-00-02/201).
(a) Make sure no failures occur during the test.
S 862-022
(6)
Set the MCDP to off.
S 862-023
(7)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 22-11-02-022-024
4. Mode Select Switch and Lamp Removal (Fig. 202)___________________________________
A. General
(1) This task has steps to remove a mode select switch and to remove a lamp for the mode select switch.
B. Equipment
(1) 50445 - Extractor Tool, Jay-E1 Product Inc.,
23301 S. Wilmington, Carson, CA 90745
C. Access
(1) Location Zones
211/212 Flight Compartment
D. Procedure
S 862-025
(1) Open these circuit breakers and attach the DO-NOT-CLOSE tags:
(a) P11 Overhead Circuit Breaker Panel 1) 11E16, MODE CONT PNL LEFT 2) 11E34, MODE CONT PNL RIGHT 3) 11N30, INSTRUMENT & PANEL GLARESHIELD 4) 11P1, IND LTS L 1 5) 11P2, IND LTS L 2 6) 11P28, IND LTS R 1 7) 11P29, IND LTS R 2
S 032-026
(2) Use your fingernails (or the extractor tool) in the grooves at the sides of the lens module to pull the lens module out.
NOTE: The lens module is now held by a link pin and a bail plate.
____
(a) Push the link pin to the rear of the groove on the bail plate to remove the lens module if it is necessary.
S 022-027
(3) To remove a lamp, pull the lamp out of the rear of the lens module.
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757 MAINTENANCE MANUAL
S 022-028
(4) To remove the switch, do these steps:
(a) Turn the jackscrew counterclockwise until it stops.
NOTE: The jackscrew is at the top in the switch module, and
____ behind the mating plate for the lens module.
(b) Pull the switch module out from the case.
TASK 22-11-02-422-029
5. Mode Select Switch and Lamp Installation (Fig. 201)
________________________________________
A. General
(1) This task has steps to install a mode select switch and to install a mode select switch lamp.
B. References
(1)
AMM 22-10-00/501, Autopilot/Flight Director System
(2)
AMM 24-22-00/201, Manual Control
C. Access
(1) Location Zones
211/212 Flight Compartment
D. Procedure
S 862-039
(1) Make sure that these circuit breakers are open and the DO-NOT-CLOSE tags are attached:
(a) P11 Overhead Circuit Breaker Panel 1) 11E16, MODE CONT PNL LEFT 2) 11E34, MODE CONT PNL RIGHT 3) 11N30, INSTRUMENT & PANEL GLARESHIELD 4) 11P1, IND LTS L 1 5) 11P2, IND LTS L 2 6) 11P28, IND LTS R 1 7) 11P29, IND LTS R 2
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