(3)
24-22-00/201, Manual Control
B. Access
(1)
Location Zone (Ref 12-31-01/201)
(a) 202, Lower Nose Compartment
(2)
Access Panel (Ref 12-31-11/201)
(a) 1103L, Forward Access Door
C. Prepare For The Removal Of The Equipment Cooling Low Flow Sensor
S 864-002
(1)
Remove the electrical power to the airplane (Ref 24-22-00/201).
S 014-003
(2)
Open the forward access door, 1103L (Ref 12-31-11/201).
D. Procedure
S 024-004
(1) Remove the equipment cooling low flow sensor:
(a)
Disconnect the electrical connector.
(b)
Remove the lockwire.
(c)
Loosen the equipment cooling low flow sensor.
(d)
Remove the equipment cooling low flow sensor from the duct boss.
(e)
Remove the O-ring from the equipment cooling low flow sensor.
TASK 21-58-43-404-004
3. Install Equipment Cooling Low Flow Sensor (Fig. 401)_________________________________________
A. References
(1)
12-31-01/201, Zone Diagrams
(2)
12-31-11/201, Body Station 41 Access Doors and Panels
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
Equipment Cooling Low Flow Sensor Installation
Figure 401
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B.
C.
D.
E.
A
737-300/400/500MAINTENANCE MANUAL
(3)
AIRPLANES WITHOUT EFIS; 21-58-00/501, Equipment Cooling System
(4)
AIRPLANES WITH EFIS; 21-58-03/501, Equipment Cooling System
(5)
24-22-00/201, Manual ControlAccess
(1)
Location Zone (Ref 12-31-01/201)
(a) 202, Lower Nose Compartment
(2)
Access Panel (Ref 12-31-11/201)
(a)
1103L, Forward Access DoorProcedure
S 424-005
(1)
Install the equipment cooling low flow sensor:
(a)
Install a new O-ring on the equipment cooling low flow sensor.
(b)
Install the equipment cooling low flow sensor in duct boss.
(c)
Install new lockwire.
(d)
Connect the electrical connector.Do An Operational Test Of The Equipment Cooling Low Flow Sensor
S 864-007
(1)
Supply electrical power (Ref 24-22-00/201).
S 714-011
(2)
AIRPLANES WITHOUT EFIS; Do the equipment cooling operational test (AMM 21-58-00/501).
S 714-012
(3)
AIRPLANES WITH EFIS;
Do the equipment cooling operational test (AMM 21-58-03/501).Put The Airplane Back To Its Usual Condition
S 864-009
(1)
Remove the electrical power from the airplane (Ref 24-22-00/201).
(2)
Close the forward access door, 1103L (Ref 12-31-11/201).
S 414-006
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ú ú 13 Page 403 ú Nov 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
EFIS COOLING SYSTEM LOW FLOW SENSOR - REMOVAL/INSTALLATION
__________________________________________________________
1. General_______
A. Two tasks are supplied in this procedure. The first task is the removal of the EFIS cooling system low flow sensor. The second task is the installation of the EFIS cooling system low flow sensor.
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