AIL = THIS CIRCUIT BREAKER MUST BE CLOSED TO DO A TEST OF THE AILERON POSITIONELE = THIS CIRCUIT BREAKER MUST BE CLOSED TO DO A TEST OF THE ELEVATOR POSITIONPLA = THIS CIRCUIT BREAKER MUST BE CLOSED TO DO A TEST OF THE PLA POSITION
R = THIS CIRCUIT BREAKER MUST BE CLOSED TO USE THE REMOTE MCDP CONTROL PANELRUD = THIS CIRCUIT BREAKER MUST BE CLOSED TO DO A TEST OF THE RUDDER POSITIONNT = THERE IS NO TEST FOR THIS A/C CONFIGURATION
MCDP Ground Test Circuit Breaker Requirements
Figure 201A (Sheet 3)
A
757
MAINTENANCE MANUAL
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D07881
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MAINTENANCE MANUAL
S 482-016
(5) If the remote MCDP is used, make sure the MCDP self-test (above) is done on the main MCDP and then do these steps.
(a)
Install the remote MCDP panel.
(b)
Close the EICAS circuit breakers (6 each) on the P11 panel (Ref 31-41-00).
(c)
On the EICAS maintenance panel, P61, push the CONF/MCDP switch to see the MCDP display on the EICAS bottom display unit.
NOTE: The messages that show on the MCDP in the main equipment
____ center will also show on the EICAS bottom display unit. The indication MCDP FLT FAULTS or MCDP GRD TEST shows to identify which mode the MCDP is in.
(d)
Make sure the EICAS bottom display unit shows MCDP OFF.
(e)
Put the MCDP remote panel ON/OFF switch in the ON position.
(f)
Push the GRD TEST switch.
F. Supply Hydraulic Power (Necessary for Ground Tests 07, 08, 09, 13, 14, 15, 30, 40, 64, 65, 66, 67, 68, 69)
NOTE: Hydraulic power is necessary to test the engage and disengage
____ function of the Autopilot/Flight Director System during MCDP Ground Test 30.
S 862-017
(1)
Supply power by either the airplane electrically driven pumps or the ground hydraulic carts.
S 202-018
(2)
Do not activate hydraulic equipment other than those necessary by these tests. This makes sure there is sufficient power when the airplane electrically driven hydraulic pumps are used.
S 862-019
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY OR DAMAGE CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(3) Supply power to the left, the right, and the center hydraulic systems (Ref 29-11-00) when the MCDP indication VFY HYD ON shows, unless told differently by the procedure. Push the YES/ADV switch to show the hydraulics are on.
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757 MAINTENANCE MANUAL
G. 01 FCC
S 862-020
(1)
Do the "Prepare to Test" steps.
S 862-021
(2)
If the test is to be done after an LRU replacement or a fault correction, make sure the MCDP is put out of the GRD TEST MODE. Go into the FLT FAULTS MODE or set the MCDP to OFF and then go into the GRD TEST MODE again.
NOTE: Before MCDP Test 01-FCC is done, put the MCDP out of the
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