S 014-184
(15)
Remove rig pin E-1 from the forward quadrant.
S 014-185
(16)
Remove rig pin E-2 from the aft quadrant.
J. Adjust the EAS Control Rod (Phase Synchronous Voltmeter)
S 864-164
(1)
Put the FLT CONTROL HYD POWER TAIL 1, 2, and 3 switches switches in the SHUTOFF position. You can find these switches on the Pilot's Overhead Panel (P461).
S 864-182
(2)
Open these circuit breakers:
(a) P180 DC Power Distribution Panel
1) 180E7, ELEV/RUD VLV SYS 2
2) 180E22, ELEV/RUD VLV SYS 4
3) 180H8, ELEV/RUD VLV SYS 1
4) 180H23, ELEV/RUD VLV SYS 3
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747-400 MAINTENANCE MANUAL
S 864-120
(3)
Put the STAB TRIM 2 and 3 switches in the CUTOUT position. You can find these switches on the Pilots' Control Stand.
S 864-181
(4)
Open these circuit breakers:
(a)
P7 Overhead Circuit Breaker Panel
1) 7C10, FLT CONT ELECT 2L AC
2) 7C11, FLT CONT ELECT 2L DC
3) 7C12, FLT CONT ELECT 1L AC
4) 7C13, FLT CONT ELECT 1L DC
5) 7C14, FLT CONT ELECT 1R AC
6) 7C15, FLT CONT ELECT 1R DC
7) 7C16, FLT CONT ELECT 2R AC
8) 7C17, FLT CONT ELECT 2R DC
9) 7E6, L-STAB TRIM CONT
10) 7E7, STAB TRIM SHUTOFF
11) 7E8, STAB RATE
12) 7E19, R-STAB TRIM CONT
13) 7E20, STAB TRIM SHUTOFF
14) 7E21, STAB RATE
15) 7E23, ALTN STAB TRIM
(b)
P6 Main Power Distribution Panel
1) 6K23, L-STAB TRIM POS
2) 6K24, R-STAB TRIM POS
S 864-180
(5)
Pressurize the Airplane Pitot-Static System to an air speed of 320 knots (AMM 34-11-00/201).
S 864-122
(6)
Put the ALTN FLAPS ARM switch in the ALTN position. You can find this switch on the Pilots' Center Instrument Panel.
S 864-123
(7)
Close these circuit breakers:
(a)
P180 DC Power Distribution Panel
1) 180E7, ELEV/RUD VLV SYS 2
2) 180E22, ELEV/RUD VLV SYS 4
3) 180H8, ELEV/RUD VLV SYS 1
4) 180H23, ELEV/RUD VLV SYS 3
(b)
P7 Overhead Circuit Breaker Panel
1) 7C10, FLT CONT ELECT 2L AC
2) 7C11, FLT CONT ELECT 2L DC
3) 7C12, FLT CONT ELECT 1L AC
4) 7C13, FLT CONT ELECT 1L DC
5) 7C14, FLT CONT ELECT 1R AC
6) 7C15, FLT CONT ELECT 1R DC
7) 7C16, FLT CONT ELECT 2R AC
8) 7C17, FLT CONT ELECT 2R DC
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747-400 MAINTENANCE MANUAL
9) 7E6, L-STAB TRIM CONT
10) 7E7, STAB TRIM SHUTOFF
11) 7E8, STAB RATE
12) 7E19, R-STAB TRIM CONT
13) 7E20, STAB TRIM SHUTOFF
14) 7E21, STAB RATE
15) 7E23, ALTN STAB TRIM
(c) P6 Main Power Distribution Panel
1) 6K23, L-STAB TRIM POS
2) 6K24, R-STAB TRIM POS
S 864-124
(8)
Put the STAB TRIM 2 and 3 switches in the ON position. You can find these switches on the Pilots' Control Stand.
S 484-126
(9)
Apply power to the Model 101A Phase Synchronous Voltmeter. The power necessary for the voltmeter is specified on the voltmeter placard.
S 984-127
(10)
Put the voltmeter switch S1 in the ON position.
S 484-128
(11)
Let the voltmeter become warm. It can take 10 minutes for the voltmeter to become warm.
(12)
Set the voltmeter switch S2 to the CAL CHK position.
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