(10) Momentarily push the reset button on the ground fault detector for hydraulic system A.
NOTE: The reset button is located in the upper inboard corner of
____ the bulkhead behind the hinged P6-2 panel on the ground fault detector (M1105).
S 725-066
(11) Push the test switch S1.
(a) Make sure the light L1 comes on.
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A
737-300/400/500MAINTENANCE MANUAL
S 865-036
(12) Set the HYD PUMPS A ELEC 2 switch to the OFF position.
(a) Make sure the test light L1 goes out.
S 865-038
(13) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P6-2 Panel
1) ELEC HYD PUMP CONT SYS A
(b)
P6-12 Panel
1) ELEC HYD PUMP SYS A
S 865-039
(14) Disconnect the test equipment connector from the electrical
connector for the system A EMDP.
F. System B Ground Fault Detector Test
S 035-068
WARNING: YOU MUST CONNECT THE GROUNDING CABLE FOR THE TEST EQUIPMENT TO
_______ THE AIRPLANE GROUND BEFORE YOU CONNECT THE ELECTRICAL CONNECTOR FOR THE PUMP TO THE TEST EQUIPMENT. INJURY TO PERSONS CAN OCCUR.
(1)
Disconnect the electrical connector from the system B EMDP.
S 865-040
(2)
Connect the test equipment connector to the electrical connector for the EMDP.
S 865-041
(3)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a)
P6-2 Panel
1) ELEC HYD PUMP CONT SYS B
(b)
P6-11 Panel
1) ELEC HYD PUMP SYS B
S 865-042
(4)
Set the HYD PUMPS B ELEC 1 switch, on the P5 panel, to the ON position.
S 725-069
(5)
Turn the test switch S2, on the test equipment, to the NO TRIP position.
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A
737-300/400/500MAINTENANCE MANUAL
(6) S 725-070Push the test switch S1. (a) Make sure the light L1 comes on.
(7) S 725-072Release the test switch S1.
(8) S 725-071Turn the test switch S2 to the TRIP position. (a) Make sure the light L1 goes out.
(9) S 725-073Set the test switch S2 to the NO TRIP position. (a) Make sure the light L1 stays out.
S 865-051
(10) Momentarily push the reset button on the ground fault detector for hydraulic system B.
NOTE: The reset button is located in the lower inboard corner of
____ bulkhead behind the hinged P6-1 panel on the Ground Fault Detector (M1106).
S 725-074
(11) Push the test switch S1.
(a) Make sure the light L1 comes on.
S 865-054
(12) Set the HYD PUMPS B ELEC 1 switch to the OFF position.
(a) Make sure the test light L1 goes out.
S 865-056
(13) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6-2 Panel 1) ELEC HYD PUMP CONT SYS B
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