C. References
(1)
AMM 12-40-00/201, Cleaning and Washing
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 29-15-00/001, Hydraulic Systems A, B and Standby - D/O
(4)
AMM 32-00-01/201, Ground Lock Assemblies
(5)
AMM 71-00-00/201, Power Plant (Operating Procedures)
D. Access
(1)
Location Zones
101/102 Control Cabin
211/213 Left/Right Ram Air Duct
(2)
Access Panels
3303L A/C Access panel (Left)
3403R A/C Access panel (Right)
E. Pressurize the A or B Hydraulic System with the Hydraulic Test Stand ú ú S 042-003 ú (1) Make sure the ground lock assemblies in the main landing gear and ú the nose gear are installed (AMM 32-00-01/201).
S 012-004
(2) Open the access panel for the applicable air conditioning bay on the bottom of the airplane.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-15-00
ALL ú ú 01.1 Page 202 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 492-057
CAUTION: MAKE SURE YOU DO THE LEAKAGE TEST OF THE RESERVOIR_______
PRESSURIZATION SYSTEM. A LEAKING CHECK VALVE CAN CAUSE THE
HYDRAULIC FLUID TO CONTAMINATE THE AIRPLANE ECS.
(3) Connect the hydraulic test stand to the ground service disconnect
(AMM 29-15-00/001) for the applicable hydraulic system as follows:
(a) Connect the pressure line of the hydraulic test stand to the
pressure connection of the ground service disconnect.
(b) Connect the return line of the hydraulic test stand to the
return connection of the ground service disconnect.
S 862-006
(4) Operate the hydraulic test stand to pressurize the hydraulic system.
F. Pressurize the A or B Hydraulic System with the Electric Motor-Driven
Pump [EMDP]
ú
ú S 042-059
ú (1) Make sure the ground lock assemblies in the main landing gear and
ú the nose gear are installed (AMM 32-00-01/201).
S 862-008
(2) Supply electrical power (AMM 24-22-00/201).
S 862-009
(3) Close the applicable circuit breaker:
(a) P6 panel,
1) ELEC HYD PUMP CONT SYS A
2) ELEC HYD PUMP CONT SYS B
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-15-00
ALL ú ú 02.1 Page 203 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 862-055
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES AND_______
THE NOSE GEAR WHEN HYDRAULIC POWER IS SUPPLIED. THE AILERONS,
ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, STABILIZER , AND THE
NOSE GEAR ARE SUPPLIED WITH POWER BY THE HYDRAULIC SYSTEMS.
INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN
HYDRAULIC POWER IS SUPPLIED.
CAUTION: DO NOT OPERATE THE EMDP FOR MORE THAN 2 MINUTES UNLESS THE_______
APPLICABLE FUEL TANK HAS A MINIMUM OF 1750 LBS (794 KG) OF FUEL
IN IT. IF YOU OPERATE THE EMDP FOR 2 MINUTES WITHOUT FUEL IN
THE TANK, LET THE RESERVOIR GO BACK TO AMBIENT TEMPERATURE
BEFORE YOU CONTINUE WITH THE TEST. IF YOU CONTINUE TO OPERATE
THE EMDP THE HYDRAULIC FLUID CAN GET TOO HOT.
(4) Put the switch (on the P5 panel) for the applicable EDMP in the ON
position:
(a) HYD PUMPS A ELEC 2
(b) HYD PUMPS B ELEC 1
S 212-011
(5) Make sure the hydraulic pressure becomes stable between 2800 and
3200 psig.
G. Pressurize the A or B Hydraulic System with the Engine-Driven Pump [EDP]
ú
ú S 042-060
ú (1) Make sure the ground lock assemblies in the main landing gear and
ú the nose gear are installed (AMM 32-00-01/201).
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