(g)
Remove electrical power (AMM 24-22-00/201).
(h)
Remove the jumper between the pins A and B on the time delay module, M10557 , for the left ACMP indication, on the P33 panel.
(i)
Supply electrical power (AMM 24-22-00/201).
(j)
Put the L HYD PUMPS ELEC switch, on the hydraulic control panel, in the ON position.
(k)
When the pressure becomes stable, put the L HYD PUMPS ELEC switch, on the hydraulic control panel, in the OFF position.
(l)
Make a record of the time until the PRESS light for the left ACMP, on the hydraulic control panel, comes on.
(m)
Compare the times for the PRESS light to come on with and without the jumper installed.
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A
757
MAINTENANCE MANUAL
(n) Make sure the time for the PRESS light to come on, without the jumper installed, is 1.5 to 2.5 seconds more than the time with the jumper installed.
S 215-147
(11)
Make sure the EICAS message, L HYD SYS PRESS, shows on the EICAS display.
S 215-148
(12)
Make sure the EICAS message, L HYD ENG PUMP, does not show on the EICAS display.
S 215-149
(13)
Make sure the L HYD PRESS indication, on the EICAS display,
is 0 to 200 psi.
S 215-150
(14)
Make sure these lights on the hydraulic control panel are on:
(a)
SYS PRESS light for the hydraulic system
(b)
PRESS light for the left ACMP.
S 865-151
(15) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
(a)
11K15, ELEC PUMP C1
(b)
11K16, ELEC PUMP RIGHT
(c)
11K24, ELEC PUMP C2
S 865-152
(16) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P6 panel:
(a)
6C1, FUEL COND CONT L
(b)
6C2, FUEL COND CONT R
F. Do a Test of the ACMP in the Right Hydraulic System With the Engines Not in Operation
S 865-153
(1) Open these circuit breakers on the P6 panel and attach DO-NOT-CLOSE tags:
(a)
6C1, FUEL COND CONT L
(b)
6C2, FUEL COND CONT R
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本文链接地址：757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 1(74)
