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30-41-00
ALL ú ú 01 Page 513 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
WINDOW HEAT CONTROL UNIT - REMOVAL/INSTALLATION
_______________________________________________
1. General
_______
A. This subject contains two tasks, one for the removal and one for the installation of the window heat control unit. The procedure is the same for all window heat control units.
TASK 30-41-11-004-001
2. Window Heat Control Unit Removal (Fig. 401)
________________________________
A. References
(1)
AMM 20-10-07/201, E/E Rack-Mounted Components - Maintenance Practices
(2)
AMM 20-40-12/201, Electrostatic Discharge Sensitive Devices
B. Access
(1)
Location Zone
205 Electronic Compartment
(2)
Access Panel
1201 Electronic Equipment Access Door
C. Procedure
S 864-001
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P6 Panel
1) WINDOW ANTI-ICE L FRONT
2) WINDOW ANTI-ICE R FRONT
3) WINDOW ANTI-ICE L SIDE
4) WINDOW ANTI-ICE R SIDE
(b)
P18 Panel 1) WINDOW HEAT CONTROL LEFT FRONT AC 2) WINDOW HEAT CONTROL LEFT SIDE AC 3) WINDOW HEAT CONTROL RIGHT FRONT AC 4) WINDOW HEAT CONTROL RIGHT SIDE AC
S 864-002
CAUTION: YOU MUST DO THE STEPS IN THE SPECIFIED PROCEDURE WHEN YOU MOVE
_______ THE WINDOW HEAT CONTROL UNIT. STATIC DISCHARGE CAN CAUSE DAMAGE TO THE WINDOW HEAT CONTROL UNIT.
(2)
Obey the procedure for electrostatic discharge sensitive devices (AMM 20-40-12/201).
S 024-003
(3)
Remove the window heat control unit from the shelf
(AMM 20-10-07/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
30-41-11
ALL ú ú 02 Page 401 ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
MAIN EQUIPMENT
CENTER
SEE A
WINDOW HEAT
FWD CONTROL UNITS
M321 SEE B
(LEFT FRONT)
M322 (LEFT SIDE) (RIGHT SIDE) M320 A
E3-3 SHELF
M323
(RIGHT FRONT) DISCONNECT
PANEL
TERMINAL STRIP (4 LOCATIONS) FWD
B
Window Heat Control Unit Installation
Figure 401
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30-41-11
ALL ú ú 01 Page 402 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
TASK 30-41-11-404-004
3. Window Heat Control Unit Installation (Fig. 401)
_____________________________________
A. References
(1)
AMM 20-10-07/201, E/E Rack-Mounted Components - Maintenance Practices
(2)
AMM 20-40-12/201, Electrostatic Discharge Sensitive Devices
(3)
AMM 30-41-11/501, Window Heat Control Unit
B. Access
(1)
Location Zone
205 Electronic Compartment
(2)
Access Panel
1201 Electronic Equipment Access Door
C. Procedure
S 864-005
CAUTION: YOU MUST DO THE STEPS IN THE SPECIFIED PROCEDURE WHEN YOU MOVE
_______ THE WINDOW HEAT CONTROL UNIT. STATIC DISCHARGE CAN CAUSE DAMAGE TO THE WINDOW HEAT CONTROL UNIT.
(1)
Obey the procedure for electrostatic discharge sensitive devices (AMM 20-40-12/201).
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