CAUTION: MAKE SURE THE TRANSMITTER FLOAT DOES NOT TOUCH THE INTERNAL
_______ STAND PIPE. IF THE TRANSMITTER FLOAT TOUCHES THE INTERNAL STAND PIPE, DAMAGE TO THE TRANSMITTER FLOAT CAN OCCUR.
(6) Carefully remove the transmitter from the reservoir through the reservoir opening.
TASK 29-33-12-404-007
3. Hydraulic Fluid Quantity Transmitter/Indicator Installation (Fig. 401)
___________________________________________________________
A. References
(1)
12-12-00/301, Hydraulic Reservoir
(2)
24-22-00/201, Manual Control
(3)
29-09-00/201, Hydraulic Reservoir Pressurization System
B. Access
(1) Location Zone
216 Main Wheel Well, LH
217 Main Wheel Well, RH
C. Procedure
S 214-008
(1)
Make sure the mounting surfaces on the reservoir flange and the transmitter are clean and free of nicks.
(2)
Install the O-ring on the transmitter flange.
S 434-010
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737-300/400/500MAINTENANCE MANUAL
S 434-009
CAUTION: MAKE SURE THE TRANSMITTER FLOAT DOES NOT TOUCH THE INTERNAL
_______ STAND PIPE. IF THE TRANSMITTER FLOAT TOUCHES THE INTERNAL STAND PIPE, DAMAGE TO THE TRANSMITTER FLOAT CAN OCCUR.
(3)
Carefully install the transmitter float in the reservoir opening.
S 424-011
(4)
Put the transmitter in its mounting position.
S 434-012
(5)
Install the fasteners.
S 434-013
(6)
Install the electrical connector.
S 434-014
(7)
Close the reservoir drain valve.
S 434-015
(8)
Install the lockwire.
S 864-016
(9)
Supply electrical power (Ref 24-22-00/201).
S 864-017
(10)
Remove the DO-NOT-CLOSE tags and close the applicable circuit breakers:
(a) P6-2 Circuit Breaker Panel
1) OIL QTY IND SYS A
2) OIL QTY IND SYS B
S 214-018
(11) Make sure the indicators in the control cabin and at the reservoir show 48% or less.
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737-300/400/500MAINTENANCE MANUAL
S 614-019
(12)
Do the servicing for the applicable hydraulic reservoir (Ref 12-12-00/301).
S 864-020
(13)
Pressurize the hydraulic reservoir system (Ref 29-09-00/201).
S 794-021
(14)
Examine the connections for leaks.
S 214-022
(15)
With the indicators on the reservoir transmitters at F (full) make sure the quantity indicators in the cockpit read approximately full (100% on EIS indication gauges or F on analog indication gauges)
(16)
Remove electrical power (Ref 24-22-00/201).
S 864-023
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737-300/400/500MAINTENANCE MANUAL
HYDRAULIC FLUID QUANTITY TRANSMITTER/INDICATOR - INSPECTION/CHECK
_________________________________________________________________
1. General_______
A. This procedure contains the inspection of the hydraulic fluid quantity transmitter.
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