S 414-049
(3)
Install the E5 rack access panel on the forward bulkhead of the forward cargo compartment (AMM 25-50-03/401).
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(4) S 414-050Close the forward cargo door, 821.
(5) S 864-051Remove electrical power if it is not necessary (AMM 24-22-00/201).
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ANTISKID MODULE (NORMAL AND ALTERNATE SYSTEMS) - REMOVAL/INSTALLATION
_____________________________________________________________________
TASK 32-42-02-004-091
1. Remove the Antiskid Module (Fig. 401)
__________________________
A. References
(1)
AMM 24-22-00/201, Electrical Power - Control
(2)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic Systems
(3)
AMM 32-00-15/201, Landing Gear Door Locks
(4)
AMM 32-00-20/201, Landing Gear Downlocks
B.
Access
(1)
Location Zones
143 Left Main Landing Gear Wheel Well
144 Right Main Landing Gear Wheel Well
C.
Prepare for Removal
S 494-028
(1)
Make sure that the landing gear downlocks are installed (AMM 32-00-20/201).
S 494-029
(2)
Make sure that chocks are installed on the wheels.
S 864-030
(3)
Supply electrical power (AMM 24-22-00/201).
S 494-031
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO INSTALL THE DOOR
_______ LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(4)
Open the landing gear doors and install the door locks (AMM 32-00-15/201).
S 864-032
(5)
Remove the pressure from the right and left hydraulic systems and reservoirs (AMM 29-11-00/201).
S 864-033
(6)
For the normal antiskid module, do the steps that follow:
(a)
Release the parking brake.
(b)
Push in the brake pedals seven to eight times to remove the hydraulic pressure from the brake accumulator.
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NORMAL ANTISKID
MODULE IN LEFT
WHEEL WELL
SEE A
NORMAL ANTISKID
MODULE IN RIGHT
WHEEL WELL
ALT ANTISKID MODULE ALT ANTISKID MODULE NORMAL ANTISKID
IN LEFT WHEEL WELL IN RIGHT WHEEL WELL MODULE
SEE B SEE C
FAIRING STRUCTURE (REF)
ALTERNATE
OUTBD FWD ANTISKID MODULE NORMAL ANTISKID MODULE
SEE D (LEFT WHEEL WELL SHOWN, RIGHT SIMILAR)
A
KEEL BEAM
WEB (REF)
OUTBD
FWD
ALTERNATE ANTISKID MODULE (LEFT WHEEL WELL SHOWN, RIGHT SIMILAR)
B
Normal and Alternate Antiskid Module Installation
Figure 401 (Sheet 1)
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GROUND WIRE CLAMP
ELECTRICAL (4 LOCATIONS) CONNECTOR (4 LOCATIONS) GROUND WIRE ATTACH SCREW HYDRAULIC LINE (RETURN, NOT SHOWN)
HYDRAULIC LINE (TO BRAKES)
MODULE
HYDRAULIC
LINE
(LEFT
HYDRAULIC
SYSTEM
PRESSURE)
BOLT
KEEL BEAM HYDRAULIC LINE (FROM ALTERNATE BRAKE METERING VALVE) HYDRAULIC LINE MODULE MOUNTING BRACKET (REF) FWD WASHER (4 LOCATIONS) NUT HYDRAULIC LINE (FROM NORMAL BRAKE METERING VALVE)
WEB (LEFT HYDRAULIC
(REF) SYSTEM PRESSURE)
NORMAL ANTISKID MODULE
1 (INSTALLATION ON LEFT WHEEL WELL SHOWN INSTALLATION ON RIGHT WHEEL WELL OPPOSITE)
C
HYDRAULIC LINE (TO BRAKES)
ELECTRICAL CONNECTOR (EXAMPLE)
GROUND WIRE CLAMP (2 LOCATIONS) GROUND WIRE
MOUNTING ATTACH SCREW
SUPPORT BOLT BRACKET WASHER INBD
HYDRAULIC (REF) NUT
LINE (3 LOCATIONS)(RETURN)
FWD ALTERNATE ANTISKID MODULE (INSTALLATION ON LEFT WHEEL WELL SHOWN INSTALLATION ON RIGHT WHEEL WELL OPPOSITE)
D
Normal and Alternate Antiskid Module Installation
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