(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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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 ALL  ú
 ú  02  Page 402
 ú  Nov 15/97 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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