NOTE: A correctly installed sensor will give you the clearance shown on
____ Fig. 201. The clearance adjustment is usually not necessary. You must do a check of the clearance if the sensor mounting support is moved, if the the door is replaced, or if the doorstop is adjusted.
S 822-038
(1)
Adjust the sensor:
(a)
Make sure the clearance between the sensor and target is in the limits shown on Fig. 201.
(b)
Install a new shim or remove the laminates from the shim as it is necessary to change the clearance.
(c)
Install the sensor and tighten the mounting screws.
G.
Do a Test of the Door Warning Sensors for the Body Gear
S 742-039
(1) Use the table that follows to identify the port/label and bit data necessary in the subsequent steps.
NOTE: This data is necessary when you do the system test of the
____ door warning sensors for the body landing gear:
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MAINTENANCE MANUAL
~.......................................................................... | BIT TABLE | ............................................................................ | | Bit Condition | ............................................................................ | Switch | Port/Label | Bit | 0 | 1 | ............................................................................
| L BODY GR | E/099/270/00 | 24 | NOT OPEN | DOOR OPEN |
| DOOR OPEN | | | | |
| PRI | | | | |
............................................................................ | R BODY GR | E/099/270/00 | 28 | NOT OPEN | DOOR OPEN | | DOOR OPEN | | | | | | PRI | | | | | ............................................................................ | L BODY GR | E/099/272/00 | 24 | NOT OPEN | DOOR OPEN | | DOOR OPEN | | | | | | ALT | | | | | ............................................................................ | R BODY GR | E/099/272/00 | 28 | NOT OPEN | DOOR OPEN | | DOOR OPEN | | | | | | ALT | | | | | 2................…...................…..........…............….............1
S 862-015
(2)
Supply electrical power (AMM 24-22-00/201).
S 862-016
(3)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P7 Overhead Circuit Breaker Panel:
(a)
7F23, LANDING GEAR DSP & CONT ALTN
(b)
7F22, LANDING GEAR DSP & CONT PRI
S 862-022
(4) Enter the items that follow in the CMC scratchpad with Input Monitoring: ~................................................................. | PORT | LABEL | SDI | ................................................................... | E 099 | 270 | 00 | ................................................................... | E 099 | 271 | 00 | ................................................................... | E 099 | 272 | 00 | ................................................................... | E 099 | 273 | 00 | 2...................….............................…...............1
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S 722-023
(5) Do a test of the door warning sensors for the left body gear with the CMC:
WARNING: MAKE SURE THAT ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE
_______ DOOR OPERATION PATH. THE FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS OR DAMAGE EQUIPMENT.
(a) Move the ground release handle for the left main gear door to the "Doors Open" position. 1) Put an actuator on the primary door warning sensor, S408
(left body gear). 2) Make sure that Bit 24 of label 270 is a 0 (NOT OPEN). 3) Remove the actuator from the primary door warning sensor,
S408. 4) Put an actuator on the gear alternate door warning sensor,
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