(2)
Installation of the cabin temperature indicator.
TASK 21-61-03-004-001
2. Cabin Temperature Indicator Removal____________________________________
A. Access
(1) Location Zone
102 Control Cabin - Right
B. Prepare for the Removal
S 864-002
(1)
Make sure that the L and R PACK switches on the P5-10 air conditioning panel are set to OFF.
S 864-003
(2)
Open all the circuit breakers on the P6-4 panel for the air conditioning system and the temperature control system and install DO-NOT-CLOSE tags.
S 864-004
(3)
Open these circuit breakers on the P6-3 panel and install DO-NOT-CLOSE tags:
(a)
MASTER CAUTION (all except FUEL, if installed)
(b)
INDICATOR LIGHTS, MASTER DIM BUS (9 locations)
(c)
DIM & TEST (1 location)
(d)
NOSE GEAR AIR/GND
(e)
LANDING GEAR AIR/GND RELAY & LTS
S 014-005
(4) Lower the P5 panel to get access to the P5-17 temperature control module on the forward overhead panel in the flight deck.
C. Cabin Temperature Indicator Removal
S 024-006
CAUTION:_______HOLD THE INDICATOR WHEN YOU LOOSEN THE CLAMP. THE INDICATOR CAN FALL WHEN THE CLAMP IS LOOSE. THE INDICATOR CAN BE DAMAGED IF IT FALLS.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
CABIN TEMPERATURE MODULE (P5-17)
FLIGHT COMPARTMENT
CABIN TEMPERATURE INDICATOR
SEE
CABIN TEMPERATURE MODULE
Cabin Temperature Indicator Installation
Figure 401 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
G89950
A 737-300/400/500MAINTENANCE MANUAL
CABIN TEMPERATURE INDICATOR
Cabin Temperature Indicator Installation
Figure 401 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
G90039
A
737-300/400/500MAINTENANCE MANUAL
(1) Turn the clamp tension screw in the counterclockwise direction to loosen the clamp that holds the indicator to the P5-17 panel.
NOTE: Do not remove the clamp tension screw.
____
S 024-008
(2)
Carefully pull the cabin temperature indicator out of the P5-17 temperature control module.
S 024-009
(3)
Disconnect the electrical connector from the cabin temperature indicator.
TASK 21-61-03-404-014
3. Cabin Temperature Indicator Installation
_________________________________________
A. References
(1) AMM 24-22-00/201, Electrical Power
B. Equipment
(1) Standard thermometer (°F, °C)
C. Access
(1) Location Zone
102 Control Cabin - Right
D. Cabin Temperature Indicator Installation
S 424-018
(1)
Connect the electrical connector to the cabin temperature indicator.
S 424-019
(2)
Carefully push the cabin temperature indicator into its position in the P5-17 panel.
S 424-020
(3)
Tighten the clamp tension screw 5 to 8 in-lbs.
NOTE: Hold the indicator against the panel while you tighten
____
the screw.
S 414-026
(4)
Raise the P5 forward overhead panel to its installed position and secure the fasteners at the lower corners of the panel.
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