1 INSTALLED ON THE CONDUITS FOR THE WING TANKS ONLY
Fueling Float Switch and Conduit Inspection Figure 602
K33217
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A 737-300/400/500MAINTENANCE MANUAL
TIE A CLOVE HITCH
SQUARE KNOT
Recommended Knot
Figure 603
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K33704
A
737-300/400/500MAINTENANCE MANUAL
FUELING POWER CONTROL SWITCH - MAINTENANCE PRACTICES
____________________________________________________
1. General_______
A. This procedure has three tasks:
(1)
A task to remove the fueling power control switch sensor.
(2)
A task to install the fueling power control switch sensor.
(3)
A task to repair the fueling power control switch actuator.
B. A procedure is not given for the removal or installation of the actuator because the removal or installation of the actuator is easy.
TASK 28-21-81-002-001
2. Remove the Fueling Power Control Switch Sensor (Fig. 201)______________________________________________
A. Access
(1)
Location Zone
402 Right Wing Outboard Leading Edge
(2)
Access Panels
6540 Refueling Station Access Door
B. Procedure
S 862-002
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel
1) EP GND FUELING
2) QTY
S 032-003
(2)
Disconnect the sensor hot wire at pin 11 of the fueling panel disconnect receptacle.
(3)
Disconnect the sensor ground wire at the ground terminal screw.
(4)
Remove the sensor mounting screws and washers.
(5)
Remove the sensor from the bracket.
(6)
Examine the sensor mounting bracket for damage.
(7)
Remove the sensor mounting bracket if it is necessary.
S 032-004
S 022-005
S 022-006
S 212-007
S 032-008
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A 737-300/400/500MAINTENANCE MANUAL
FUELING STATION
SEE A
FUELING POWER
CONTROL SWITCH
SEE B
WING
LEADING
EDGE
SEE B
S156
FUELING POWER
CONTROL SWITCH
FWD
B
A
SENSOR
ACTUATOR
SENSOR BRACKET
MOUNTING
SCREW
(2 LOCATIONS)
CLEARANCE 1
ACTUATOR
MAGNET
FUELING SENSOR SENSOR BRACKET
STATION MOUNTING MOUNTING SCREW 1 SET THE CLEARANCE BETWEEN THE
ACCESS DOOR BRACKET (2 LOCATIONS) INBD SENSOR AND ACTUATOR MAGNET TO
0.10
0.08 0.06 INCH.
C FWD USE A NON-MAGNETIC
FEELER GAGE.
Fueling Power Control Switch Installation
Figure 201
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