S 214-022
(3)
Make sure the pump is full of hydraulic fluid.
D. Install the Pump (Fig. 401)
S 424-023
(1)
Put the pump in its position and install the mounting bolts. Make sure you connect the bonding jumper.
S 434-024
(2)
Remove the caps and connect the pressure line (the acoustic filter) to the pump outlet.
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29-15-22
ALL ú ú 02 Page 405 ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
(3) S 434-025Install the strap to hold the acoustic filter in its position.
(4) S 214-045Make sure the hydraulic line that is connected to the acoustic filter is in the position shown in Figure 401.
(5) S 434-026Remove the caps and connect the supply line to the pump inlet.
S 434-041
CAUTION: MAKE SURE THE DISCONNECT POPPET IS STRAIGHT BEFORE YOU
_______ INSTALL THE HOSE HALF OF THE SELF-SEAL DISCONNECT. IF TOO MUCH TORQUE IS NECESSARY TO DO THE INSTALLATION, DISCONNECT THE SELF-SEAL DISCONNECT AND AGAIN MAKE SURE THE POPPET IS STRAIGHT. AFTER THE INSTALLATION, MAKE SURE THE INDICATOR PINS EXTEND A MINIMUM OF 0.06 INCH. IF THE INDICATOR PINS ARE NOT CORRECTLY EXTENDED, FLUID FLOW WILL BE DECREASED OR STOPPED. THIS CAN CAUSE DAMAGE TO THE RESERVOIR OR THE PUMP.
(6)
Connect the quick-disconnect for the supply line.
S 214-028
(7)
Make sure the hydraulic fluid level is up to the case drain port ofthe pump.
S 434-029
(8)
Remove the caps and connect the case drain line to the pump.
S 214-046
(9)
Make sure the case drain line is connected in the position shown in Figure 401.
S 224-030
(10)
Make sure the electrical resistance between the pump and the airplane is a maximum of 0.00030 ohms.
S 434-031
(11)
Connect the electrical connector to the pump.
NOTE: Inspect the electrical contacts on the connector
____ on the airplane side. If they are damaged, replace them.
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29-15-22
ALL ú ú 03.1 Page 406 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
S 864-044
CAUTION: THE MINIMUM SEPARATION BETWEEN THE HOSES OF THE SYSTEM B PUMP
_______AND ADJACENT WIRE BUNDLES MUST BE 0.50 INCH (12.7 MM) THROUGHTHE FULL RANGE OF WIRE BUNDLE WOVEMENT. A SEPARATION OF LESSTHAN 0.50 INCH (12.7 MM) CAN CAUSE THE WIRE BUNDLE OR HYDRAULICHOSE TO CHAFE WHICH CAN LEAD TO WIRE OR HOSE FAILURE.
(12) Make sure the minimum separation between the hoses of the System Bpump and adjacent wire bundles is 0.50 inch (12.7 mm).
S 864-032
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.
(13)
Pressurize the reservoir for the hydraulic system (AMM 29-09-00/201).
S 864-033
(14)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6 panel,
1) ELEC HYD PUMP CONT SYS A
2) ELEC HYD PUMP CONT SYS B
S 864-034
(15)
Pressurize the hydraulic system with the pump (AMM 29-15-00/201).
S 864-035
(16)
Make sure the applicable switches are in the on position:
(a) P5 Panel,
1) FLT CONTROL A
2) FLT CONTROL B
3) HYD PUMPS A ELEC 2
4) HYD PUMPS B ELEC 1
S 874-036
(17)
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