D. Put the Airplane to Its Usual Condition
 S 414-024
 (1)  
Install the insulation blanket.

 S 864-025

 (2)  
Remove the DO-NOT-CLOSE tag and close the WATER QTY IND circuit breaker on the P18 panel.

 (3)  
Install the access panel in the aft cargo compartment.

 S 414-026
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 S 864-029
 (4)  Remove the electrical power if it is not necessary (AMM 24-22-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 WATER HEATER - TROUBLE SHOOTING
_______________________________
 1. Water Heater Trouble Shooting Chart
___________________________________
 ~.............................................................................. | PROBLEM | POSSIBLE CAUSE | ISOLATION PROCEDURE | CORRECTIVE PROCEDURE| ................................................................................
 |  The heater  |  No electrical  |  Do a check for power and |  |
 |  switch is  |  power  |  ground at the heater |  |
 |  ON, but the|  |  switch. |  |
 | light does  |  |  |  |
 |  not come  |  |  If there is no power or  |  Locate and repair or|
 |  on.  |  |  ground at the heater  |  replace the wiring |
 |  |  |  switch, servicing of the  |  as necessary. |
 |  |  |  wiring is necessary. |  |
 |  |  Indicator bulb  |  Remove the amber light  |  Replace the bulb |
 |  |  |  cover and examine the  |  if necessary. |
 |  |  |  bulb for damage. |  |
 |  |  Heater switch  |  Put the heater switch in  |  Replace the heater |
 |  |  |  the ON position.  Do a  |  switch if |
 |  |  |  check for continuity  |  necessary |
 |  |  |  through the switch.  If |  |
 |  |  |  there is no continuity, |  |
 |  |  |  servicing of the |  |
 |  |  |  heater switch is |  |
 |  |  |  necessary |  |
 |  |  |  |  |
 |  |  Overheat  |  The overheat switch will  RESET THE OVERHEAT|  |
 |  |  switch is open  |  open only if the cycling  SWITCH|  |
 |  |  |  switch does not function  |  1)  Turn the heater |
 |  |  |  correctly.  Remove the  |  power off. |
 |  |  |  cover and manually reset  |  2)  Make sure the |
 |  |  |  the overheat switch.  |  heater is cool. |
 |  |  |  Turn the heater switch  |  Flush it with |
 |  |  |  to the ON position and  |  cold water by |
 |  |  |  see if the bulb comes  |  opening the hot |
 |  |  |  on.  |  water faucet. |
 |  |  |  |  |
 |  |  |  |  3)  Press the reset |
 |  |  |  |  button by using |
 |  |  |  |  finger pressure |
 |  |  |  |  only. |
 |  |  |  |  |
 |  |  |  |  CAUTION:_______ DO NOT USE|
 |  |  |  |  TOOLS. |
 |  |  |  |  |
　
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本文鏈接地址：737-300 400 500 AMM 飛機維護手冊 WATER AND WASTE(20)