S 014-006
(5)
Open the access door on the forward module to get access to the limit switch.
(6)
Remove the ball lock pins from the ball-nut load arms.
(7)
Disconnect module 2 from module 1.
S 034-007
S 034-008
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A
757
MAINTENANCE MANUAL
SIDEWALL SIDEWALL LIMIT SWITCH
EXTEND-LIMIT SWITCH (REF) LINING SUPPORT SENSOR
(REF) RECEPTACLE
(REF) RETRACT-LIMIT SWITCH
SEE A
LIMIT SWITCH ESCUTCHEON
ACTUATOR (REF)
A
A (MAGNET)
FWD NO. 2
BRACKET CARGO DOOR
FWD MODULE 2
CONTROL SWITCH IN FULLY
INBD RETRACTED POSITION
AFT CARGO COMPARTMENT
SIDEWALL LINING (REF)
RETRACT-LIMIT SWITCH SENSOR
A
C
ROLLER GUIDE
ASSEMBLY (PART
OF MODULE 2)
SCREW,
WASHER
(2 LOCATIONS)
RETRACT-LIMIT
NS
MICRO SWITCH
NS
NS
ACTIVE SURFACE
LIMIT
SWITCH
ACTUATOR
(MAGNET)
BRACKET
SWITCH SENSOR
C
FWD RECEPTACLE
B-B (REF)
ESCUTCHEON (REF)
A-A
SHIM
ROLLER GUIDE
ASSEMBLY (PART
0.50 |0.20 INCHOF MODULE 2)
BRACKET
LIMITSWITCH LIMIT
SWITCH INBD ACTUATOR SENSOR (MAGNET)
C-C
Aft Cargo Loader Retract-Limit Switch Installation
Figure 401
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757
MAINTENANCE MANUAL
SIDEWALL LINING (REF) BRACKET (REF)
FWD EXTEND-LIMIT SWITCH
A Aft Cargo Loader Extend-Limit Switch Installation Figure 402 (Sheet 1)
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MAINTENANCE MANUAL
RECEPTACLE
(4 LOCATIONS)
A-A
(REF)
B-B
Aft Cargo Loader Extend-Limit Switch Installation
Figure 402 (Sheet 2)
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757 MAINTENANCE MANUAL
S 034-009
(8)
Remove the stops from the forward end of module 1.
S 984-010
(9)
Move module 1 under module 2 to get access to the limit switch sensor.
S 014-011
(10)
Remove the sidewall panel near the sensor to get access to the wire splice (Ref 25-50-02).
S 034-012
(11)
Disconnect the electrical wires from the sensor.
S 024-013
(12)
Remove the screws that hold the sensor to the receptacle, and remove the sensor from the receptacle.
NOTE: Be careful not to cause damage to the wires when you pull
____
the sensor from the receptacle.
D. Procedure - Install the Retract-Limit Switch
S 434-014
(1)
Connect the electrical wires to the sensor.
S 424-015
(2)
Put the sensor on the receptacle and install the screws.
S 414-016
(3)
Install the sidewall panel (Ref 25-50-02).
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