* SEE THE WDM EQUIPMENT LIST
GUN 006-999
GUN 001-005
Clocks - Component Index
Figure 101
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ú Sep 20/90
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757 FAULT ISOLATION/MAINT MANUAL
P11 PANEL FIRST OFFICER'S
FLIGHT COMPARTMENT
CLOCK, N2 OR N42
CLOCK
CLOCK SWITCH, S320 OR S321
GUN 001-104
GUN 105-999
Clocks - Component Location Figure 102
C22843
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757 MAINTENANCE MANUAL
CLOCKS - ADJUSTMENT/TEST
________________________
1. General_______
A. This Task is an operational test to make sure the basic operation of each clock and its controls work correctly. A system test is not necessary.
B. The captain's clock is on the captain's main instrument panel, P1. The first officer's clock is on the first officer's main instrument panel, P3.
C. The captain's CLOCK switch is on the left side of the glareshield, P7. The first officer's CLOCK switch is on the right side of the glareshield.
TASK 31-25-00-715-001
2. Operational Test - Clocks_________________________
A. Equipment
(1) Stopwatch or equivalent (watch with second hand)
B. References
(1) AMM 24-22-00/201, Electrical Power - Control
C. Access
(1) Location Zone
211 Control Cabin - sect 41 (LH side)
212 Control Cabin - sect 41 (RH side)
D. Procedure
S 865-002
(1)
Supply electrical power (AMM 24-22-00/201).
S 865-004
(2)
Open these circuit breakers on the main power distribution panel, P6, and attach the DO-NOT-CLOSE tags.
(a)
ON GUN 006-999;
6G2, CLOCK TIME BASE L
(b)
ON GUN 001-005;
6G3, CLOCK TIME BASE L
(c)
ON GUN 006-999;
6G3, CLOCK TIME BASE R
(d)
ON GUN 001-005;
6G4, CLOCK TIME BASE R
S 865-003
(3) Open these circuit breakers on the overhead panel, P11, and attach the DO-NOT-CLOSE tags:
(a)
ON GUN 001-005;
11J9, CLOCK IND LEFT
(b)
ON GUN 006-999;
11B17, CLOCK IND LEFT
(c)
11J35, CLOCK IND RIGHT
S 715-091
(4) Make sure the captain's and the first officer's clock displays go out of view for five seconds.
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