(2)  
Fuel temperature indicator installation

 TASK 28-43-21-024-001
Fuel Temperature Indicator Removal (Fig. 401)

_____________________________________________

 A.  Access
 (1)  Location Zones
 211 Flight Compartment - Left

 B.  Procedure
 S 024-002
 (1)  Do these steps to remove the fuel temperature indicator from the P5-2 overhead panel:
 (a)
Open this circuit breaker and attach a DO-NOT-CLOSE tag:

 1)  P6 Main Power Distribution Panel a) TEMP IND

 (b)  
Loosen the 6 quarter-turn fasteners that hold the P5-2 overhead panel.

 (c)  
Carefully pull the P5-2 overhead panel away from the rest of the P5 panel until there is sufficient access to part of the fuel temperature indicator behind the face of the P5-2 panel.

 (d)  
Disconnect the electrical connector from the fuel temperature indicator.

 (e)  
Loosen the release screw to loosen the clamp that holds the fuel temperature indicator in its position.

 (f)  
Remove the fuel temperature indicator from the P5-2 panel.

 TASK 28-43-21-424-003
Fuel Temperature Indicator Installation (Fig.401)

_________________________________________________

 A.  References
 (1)  AMM 28-43-00, Fuel Temperature Indicating System Test
 B.  Access
 (1)  Location Zones
 211 Flight Compartment - Left

 C.  Procedure
 S 424-004
 (1)  Do these steps to install the fuel temperature indicator from the P5-2 overhead panel:
 (a)  
Put the fuel temperature indicator in its position in the P5-2 panel.

 (b)  
Tighten the release screw to tighten the clamp that holds the fuel temperature indicator in its position.

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 28-43-21
 ALL  ú ú 01 Page 401 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

SEE A FUEL PANEL OVERHEAD  BSEE INDICATOR TEMPERATURE FUEL  b b VALVE VALVESPAR CLOSED CLOSED ENG  TEMP +40 C FUEL 0 +20 -40 -20 `  b b VALVE SPARVALVE CLOSED CLOSED ENG 
a BY PASS FILTER CROSS  b VALVE OPEN  a BY PASS FILTER FEED 
a aaaa a PRESSURE LOW PRESSURE LOW LOW PRESSURE LOW PRESSURE LOW PRESSURE LOW PRESSURE FUEL PUMPS 1 OFF ON 2 OFF L R PUMPS FUEL CTR ON OFF FWDAFT FWD AFT ON 
FLIGHT COMPARTMENT  OVERHEAD FUEL PANEL 
A 
CONNECTOR ELECTRICAL 
CLAMP 
SCREW RELAESE 
(6 LOCATIONS) TURN FASTENER QUARTER 
FUEL TEMPERATOR INDICATOR 

FUEL TEMPERATURE INDICATOR
B

Fuel Temperature Indicator Installation
Figure 401

L38875
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-43-21
 ALL  ú ú 01 Page 402 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 
737-300/400/500MAINTENANCE MANUAL
 (c)  Connect the electrical connector to the fuel temperature
 indicator.
 (d)  Carefully put the P5-2 overhead panel into its position in the
 P5 panel until there is sufficient access to the part of the
 fuel temperature indicator behind the face of the P5-2 panel.
 (e)  Tighten the 6 quarter-turn fasteners that hold the P5-2
 overhead panel.
 (f)  Remove the DO-NOT-CLOSE tag and close this circuit breaker:
 1)  P6 Main Power Distribution Panel
 a)  TEMP IND
 (g)  Do this task:  Fuel Temperature Indicating System Test
 (AMM 28-43-00/501).

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